datatypes/
value.rs

1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use std::cmp::Ordering;
16use std::fmt::{Display, Formatter};
17use std::sync::Arc;
18
19use arrow_array::{Array, StructArray};
20use common_base::bytes::{Bytes, StringBytes};
21use common_decimal::Decimal128;
22use common_telemetry::error;
23use common_time::date::Date;
24use common_time::interval::IntervalUnit;
25use common_time::time::Time;
26use common_time::timestamp::{TimeUnit, Timestamp};
27use common_time::{Duration, IntervalDayTime, IntervalMonthDayNano, IntervalYearMonth, Timezone};
28use datafusion_common::ScalarValue;
29use datafusion_common::scalar::ScalarStructBuilder;
30pub use ordered_float::OrderedFloat;
31use serde::{Deserialize, Serialize, Serializer};
32use serde_json::Map;
33use snafu::{ResultExt, ensure};
34
35use crate::error::{
36    self, ConvertArrowArrayToScalarsSnafu, ConvertScalarToArrowArraySnafu, Error,
37    InconsistentStructFieldsAndItemsSnafu, Result, TryFromValueSnafu,
38};
39use crate::json::value::{JsonValue, JsonValueRef};
40use crate::prelude::*;
41use crate::type_id::LogicalTypeId;
42use crate::types::{IntervalType, ListType, StructType};
43use crate::vectors::{ListVector, StructVector};
44
45pub type OrderedF32 = OrderedFloat<f32>;
46pub type OrderedF64 = OrderedFloat<f64>;
47
48/// Value holds a single arbitrary value of any [DataType](crate::data_type::DataType).
49///
50/// Comparison between values with different types (expect Null) is not allowed.
51#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
52pub enum Value {
53    Null,
54
55    // Numeric types:
56    Boolean(bool),
57    UInt8(u8),
58    UInt16(u16),
59    UInt32(u32),
60    UInt64(u64),
61    Int8(i8),
62    Int16(i16),
63    Int32(i32),
64    Int64(i64),
65    Float32(OrderedF32),
66    Float64(OrderedF64),
67
68    // Decimal type:
69    Decimal128(Decimal128),
70
71    // String types:
72    String(StringBytes),
73    Binary(Bytes),
74
75    // Date & Time types:
76    Date(Date),
77    Timestamp(Timestamp),
78    Time(Time),
79    Duration(Duration),
80    // Interval types:
81    IntervalYearMonth(IntervalYearMonth),
82    IntervalDayTime(IntervalDayTime),
83    IntervalMonthDayNano(IntervalMonthDayNano),
84
85    // Collection types:
86    List(ListValue),
87    Struct(StructValue),
88
89    // Json Logical types:
90    Json(Box<JsonValue>),
91}
92
93impl Display for Value {
94    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
95        match self {
96            Value::Null => write!(f, "{}", self.data_type().name()),
97            Value::Boolean(v) => write!(f, "{v}"),
98            Value::UInt8(v) => write!(f, "{v}"),
99            Value::UInt16(v) => write!(f, "{v}"),
100            Value::UInt32(v) => write!(f, "{v}"),
101            Value::UInt64(v) => write!(f, "{v}"),
102            Value::Int8(v) => write!(f, "{v}"),
103            Value::Int16(v) => write!(f, "{v}"),
104            Value::Int32(v) => write!(f, "{v}"),
105            Value::Int64(v) => write!(f, "{v}"),
106            Value::Float32(v) => write!(f, "{v}"),
107            Value::Float64(v) => write!(f, "{v}"),
108            Value::String(v) => write!(f, "{}", v.as_utf8()),
109            Value::Binary(v) => {
110                let hex = v
111                    .iter()
112                    .map(|b| format!("{b:02x}"))
113                    .collect::<Vec<String>>()
114                    .join("");
115                write!(f, "{hex}")
116            }
117            Value::Date(v) => write!(f, "{v}"),
118            Value::Timestamp(v) => write!(f, "{}", v.to_iso8601_string()),
119            Value::Time(t) => write!(f, "{}", t.to_iso8601_string()),
120            Value::IntervalYearMonth(v) => {
121                write!(f, "{}", v.to_iso8601_string())
122            }
123            Value::IntervalDayTime(v) => {
124                write!(f, "{}", v.to_iso8601_string())
125            }
126            Value::IntervalMonthDayNano(v) => {
127                write!(f, "{}", v.to_iso8601_string())
128            }
129            Value::Duration(d) => write!(f, "{d}"),
130            Value::List(v) => {
131                let items = v
132                    .items()
133                    .iter()
134                    .map(|i| i.to_string())
135                    .collect::<Vec<String>>()
136                    .join(", ");
137                write!(f, "{}[{}]", v.datatype.name(), items)
138            }
139            Value::Decimal128(v) => write!(f, "{}", v),
140            Value::Struct(s) => {
141                let items = s
142                    .fields
143                    .fields()
144                    .iter()
145                    .map(|f| f.name())
146                    .zip(s.items().iter())
147                    .map(|(k, v)| format!("{k}: {v}"))
148                    .collect::<Vec<String>>()
149                    .join(", ");
150                write!(f, "{{ {items} }}")
151            }
152            Value::Json(json_data) => {
153                write!(f, "Json({})", json_data)
154            }
155        }
156    }
157}
158
159macro_rules! define_data_type_func {
160    ($struct: ident) => {
161        /// Returns data type of the value.
162        ///
163        /// # Panics
164        /// Panics if the data type is not supported.
165        pub fn data_type(&self) -> ConcreteDataType {
166            match self {
167                $struct::Null => ConcreteDataType::null_datatype(),
168                $struct::Boolean(_) => ConcreteDataType::boolean_datatype(),
169                $struct::UInt8(_) => ConcreteDataType::uint8_datatype(),
170                $struct::UInt16(_) => ConcreteDataType::uint16_datatype(),
171                $struct::UInt32(_) => ConcreteDataType::uint32_datatype(),
172                $struct::UInt64(_) => ConcreteDataType::uint64_datatype(),
173                $struct::Int8(_) => ConcreteDataType::int8_datatype(),
174                $struct::Int16(_) => ConcreteDataType::int16_datatype(),
175                $struct::Int32(_) => ConcreteDataType::int32_datatype(),
176                $struct::Int64(_) => ConcreteDataType::int64_datatype(),
177                $struct::Float32(_) => ConcreteDataType::float32_datatype(),
178                $struct::Float64(_) => ConcreteDataType::float64_datatype(),
179                $struct::String(_) => ConcreteDataType::string_datatype(),
180                $struct::Binary(_) => ConcreteDataType::binary_datatype(),
181                $struct::Date(_) => ConcreteDataType::date_datatype(),
182                $struct::Time(t) => ConcreteDataType::time_datatype(*t.unit()),
183                $struct::Timestamp(v) => ConcreteDataType::timestamp_datatype(v.unit()),
184                $struct::IntervalYearMonth(_) => {
185                    ConcreteDataType::interval_datatype(IntervalUnit::YearMonth)
186                }
187                $struct::IntervalDayTime(_) => {
188                    ConcreteDataType::interval_datatype(IntervalUnit::DayTime)
189                }
190                $struct::IntervalMonthDayNano(_) => {
191                    ConcreteDataType::interval_datatype(IntervalUnit::MonthDayNano)
192                }
193                $struct::List(list) => ConcreteDataType::list_datatype(list.datatype().clone()),
194                $struct::Duration(d) => ConcreteDataType::duration_datatype(d.unit()),
195                $struct::Decimal128(d) => {
196                    ConcreteDataType::decimal128_datatype(d.precision(), d.scale())
197                }
198                $struct::Struct(struct_value) => {
199                    ConcreteDataType::struct_datatype(struct_value.struct_type().clone())
200                }
201                $struct::Json(v) => v.data_type(),
202            }
203        }
204    };
205}
206
207impl Value {
208    define_data_type_func!(Value);
209
210    /// Returns true if this is a null value.
211    pub fn is_null(&self) -> bool {
212        match self {
213            Value::Null => true,
214            Value::Json(inner) => inner.is_null(),
215            _ => false,
216        }
217    }
218
219    /// Cast itself to [ListValue].
220    pub fn as_list(&self) -> Result<Option<&ListValue>> {
221        match self {
222            Value::Null => Ok(None),
223            Value::List(v) => Ok(Some(v)),
224            other => error::CastTypeSnafu {
225                msg: format!("Failed to cast {other:?} to list value"),
226            }
227            .fail(),
228        }
229    }
230
231    pub fn as_struct(&self) -> Result<Option<&StructValue>> {
232        match self {
233            Value::Null => Ok(None),
234            Value::Struct(v) => Ok(Some(v)),
235            other => error::CastTypeSnafu {
236                msg: format!("Failed to cast {other:?} to struct value"),
237            }
238            .fail(),
239        }
240    }
241
242    /// Cast itself to [ValueRef].
243    pub fn as_value_ref(&self) -> ValueRef<'_> {
244        match self {
245            Value::Null => ValueRef::Null,
246            Value::Boolean(v) => ValueRef::Boolean(*v),
247            Value::UInt8(v) => ValueRef::UInt8(*v),
248            Value::UInt16(v) => ValueRef::UInt16(*v),
249            Value::UInt32(v) => ValueRef::UInt32(*v),
250            Value::UInt64(v) => ValueRef::UInt64(*v),
251            Value::Int8(v) => ValueRef::Int8(*v),
252            Value::Int16(v) => ValueRef::Int16(*v),
253            Value::Int32(v) => ValueRef::Int32(*v),
254            Value::Int64(v) => ValueRef::Int64(*v),
255            Value::Float32(v) => ValueRef::Float32(*v),
256            Value::Float64(v) => ValueRef::Float64(*v),
257            Value::String(v) => ValueRef::String(v.as_utf8()),
258            Value::Binary(v) => ValueRef::Binary(v),
259            Value::Date(v) => ValueRef::Date(*v),
260            Value::List(v) => ValueRef::List(ListValueRef::Ref { val: v }),
261            Value::Timestamp(v) => ValueRef::Timestamp(*v),
262            Value::Time(v) => ValueRef::Time(*v),
263            Value::IntervalYearMonth(v) => ValueRef::IntervalYearMonth(*v),
264            Value::IntervalDayTime(v) => ValueRef::IntervalDayTime(*v),
265            Value::IntervalMonthDayNano(v) => ValueRef::IntervalMonthDayNano(*v),
266            Value::Duration(v) => ValueRef::Duration(*v),
267            Value::Decimal128(v) => ValueRef::Decimal128(*v),
268            Value::Struct(v) => ValueRef::Struct(StructValueRef::Ref(v)),
269            Value::Json(v) => ValueRef::Json(Box::new((**v).as_ref())),
270        }
271    }
272
273    /// Cast Value to timestamp. Return None if value is not a valid timestamp data type.
274    pub fn as_timestamp(&self) -> Option<Timestamp> {
275        match self {
276            Value::Timestamp(t) => Some(*t),
277            _ => None,
278        }
279    }
280
281    /// Cast Value to utf8 String. Return None if value is not a valid string data type.
282    pub fn as_string(&self) -> Option<String> {
283        match self {
284            Value::String(bytes) => Some(bytes.as_utf8().to_string()),
285            _ => None,
286        }
287    }
288
289    /// Cast Value to Date. Return None if value is not a valid date data type.
290    pub fn as_date(&self) -> Option<Date> {
291        match self {
292            Value::Date(t) => Some(*t),
293            _ => None,
294        }
295    }
296
297    /// Cast Value to [Time]. Return None if value is not a valid time data type.
298    pub fn as_time(&self) -> Option<Time> {
299        match self {
300            Value::Time(t) => Some(*t),
301            _ => None,
302        }
303    }
304
305    /// Cast Value to [IntervalYearMonth]. Return None if value is not a valid interval year month data type.
306    pub fn as_interval_year_month(&self) -> Option<IntervalYearMonth> {
307        match self {
308            Value::IntervalYearMonth(v) => Some(*v),
309            _ => None,
310        }
311    }
312
313    /// Cast Value to [IntervalDayTime]. Return None if value is not a valid interval day time data type.
314    pub fn as_interval_day_time(&self) -> Option<IntervalDayTime> {
315        match self {
316            Value::IntervalDayTime(v) => Some(*v),
317            _ => None,
318        }
319    }
320
321    /// Cast Value to [IntervalMonthDayNano]. Return None if value is not a valid interval month day nano data type.
322    pub fn as_interval_month_day_nano(&self) -> Option<IntervalMonthDayNano> {
323        match self {
324            Value::IntervalMonthDayNano(v) => Some(*v),
325            _ => None,
326        }
327    }
328
329    /// Cast Value to i64. Return None if value is not a valid int64 data type.
330    pub fn as_i64(&self) -> Option<i64> {
331        match self {
332            Value::Int8(v) => Some(*v as _),
333            Value::Int16(v) => Some(*v as _),
334            Value::Int32(v) => Some(*v as _),
335            Value::Int64(v) => Some(*v),
336            Value::UInt8(v) => Some(*v as _),
337            Value::UInt16(v) => Some(*v as _),
338            Value::UInt32(v) => Some(*v as _),
339            Value::Json(inner) => inner.as_i64(),
340            _ => None,
341        }
342    }
343
344    /// Cast Value to u64. Return None if value is not a valid uint64 data type.
345    pub fn as_u64(&self) -> Option<u64> {
346        match self {
347            Value::UInt8(v) => Some(*v as _),
348            Value::UInt16(v) => Some(*v as _),
349            Value::UInt32(v) => Some(*v as _),
350            Value::UInt64(v) => Some(*v),
351            Value::Json(inner) => inner.as_u64(),
352            _ => None,
353        }
354    }
355    /// Cast Value to f64. Return None if it's not castable;
356    pub fn as_f64_lossy(&self) -> Option<f64> {
357        match self {
358            Value::Float32(v) => Some(v.0 as _),
359            Value::Float64(v) => Some(v.0),
360            Value::Int8(v) => Some(*v as _),
361            Value::Int16(v) => Some(*v as _),
362            Value::Int32(v) => Some(*v as _),
363            Value::Int64(v) => Some(*v as _),
364            Value::UInt8(v) => Some(*v as _),
365            Value::UInt16(v) => Some(*v as _),
366            Value::UInt32(v) => Some(*v as _),
367            Value::UInt64(v) => Some(*v as _),
368            Value::Json(inner) => inner.as_f64_lossy(),
369            _ => None,
370        }
371    }
372
373    /// Cast Value to [Duration]. Return None if value is not a valid duration data type.
374    pub fn as_duration(&self) -> Option<Duration> {
375        match self {
376            Value::Duration(d) => Some(*d),
377            _ => None,
378        }
379    }
380
381    /// Cast value to Boolean. Return None if value is not a boolean type.
382    pub fn as_bool(&self) -> Option<bool> {
383        match self {
384            Value::Boolean(b) => Some(*b),
385            Value::Json(inner) => inner.as_bool(),
386            _ => None,
387        }
388    }
389
390    /// Extract the inner JSON value from a JSON type.
391    pub fn into_json_inner(self) -> Option<Value> {
392        match self {
393            Value::Json(v) => Some((*v).into_value()),
394            _ => None,
395        }
396    }
397
398    /// Returns the logical type of the value.
399    pub fn logical_type_id(&self) -> LogicalTypeId {
400        match self {
401            Value::Null => LogicalTypeId::Null,
402            Value::Boolean(_) => LogicalTypeId::Boolean,
403            Value::UInt8(_) => LogicalTypeId::UInt8,
404            Value::UInt16(_) => LogicalTypeId::UInt16,
405            Value::UInt32(_) => LogicalTypeId::UInt32,
406            Value::UInt64(_) => LogicalTypeId::UInt64,
407            Value::Int8(_) => LogicalTypeId::Int8,
408            Value::Int16(_) => LogicalTypeId::Int16,
409            Value::Int32(_) => LogicalTypeId::Int32,
410            Value::Int64(_) => LogicalTypeId::Int64,
411            Value::Float32(_) => LogicalTypeId::Float32,
412            Value::Float64(_) => LogicalTypeId::Float64,
413            Value::String(_) => LogicalTypeId::String,
414            Value::Binary(_) => LogicalTypeId::Binary,
415            Value::List(_) => LogicalTypeId::List,
416            Value::Date(_) => LogicalTypeId::Date,
417            Value::Timestamp(t) => match t.unit() {
418                TimeUnit::Second => LogicalTypeId::TimestampSecond,
419                TimeUnit::Millisecond => LogicalTypeId::TimestampMillisecond,
420                TimeUnit::Microsecond => LogicalTypeId::TimestampMicrosecond,
421                TimeUnit::Nanosecond => LogicalTypeId::TimestampNanosecond,
422            },
423            Value::Time(t) => match t.unit() {
424                TimeUnit::Second => LogicalTypeId::TimeSecond,
425                TimeUnit::Millisecond => LogicalTypeId::TimeMillisecond,
426                TimeUnit::Microsecond => LogicalTypeId::TimeMicrosecond,
427                TimeUnit::Nanosecond => LogicalTypeId::TimeNanosecond,
428            },
429            Value::IntervalYearMonth(_) => LogicalTypeId::IntervalYearMonth,
430            Value::IntervalDayTime(_) => LogicalTypeId::IntervalDayTime,
431            Value::IntervalMonthDayNano(_) => LogicalTypeId::IntervalMonthDayNano,
432            Value::Duration(d) => match d.unit() {
433                TimeUnit::Second => LogicalTypeId::DurationSecond,
434                TimeUnit::Millisecond => LogicalTypeId::DurationMillisecond,
435                TimeUnit::Microsecond => LogicalTypeId::DurationMicrosecond,
436                TimeUnit::Nanosecond => LogicalTypeId::DurationNanosecond,
437            },
438            Value::Decimal128(_) => LogicalTypeId::Decimal128,
439            Value::Struct(_) => LogicalTypeId::Struct,
440            Value::Json(_) => LogicalTypeId::Json,
441        }
442    }
443
444    /// Convert the value into [`ScalarValue`] according to the `output_type`.
445    pub fn try_to_scalar_value(&self, output_type: &ConcreteDataType) -> Result<ScalarValue> {
446        // Compare logical type, since value might not contains full type information.
447        let value_type_id = self.logical_type_id();
448        let output_type_id = output_type.logical_type_id();
449        ensure!(
450            output_type_id == value_type_id
451                || self.is_null()
452                || (output_type_id == LogicalTypeId::Json
453                    && (value_type_id == LogicalTypeId::Binary
454                        || value_type_id == LogicalTypeId::Json)),
455            error::ToScalarValueSnafu {
456                reason: format!(
457                    "expect value to return output_type {output_type_id:?}, actual: {value_type_id:?}",
458                ),
459            }
460        );
461
462        let scalar_value = match self {
463            Value::Boolean(v) => ScalarValue::Boolean(Some(*v)),
464            Value::UInt8(v) => ScalarValue::UInt8(Some(*v)),
465            Value::UInt16(v) => ScalarValue::UInt16(Some(*v)),
466            Value::UInt32(v) => ScalarValue::UInt32(Some(*v)),
467            Value::UInt64(v) => ScalarValue::UInt64(Some(*v)),
468            Value::Int8(v) => ScalarValue::Int8(Some(*v)),
469            Value::Int16(v) => ScalarValue::Int16(Some(*v)),
470            Value::Int32(v) => ScalarValue::Int32(Some(*v)),
471            Value::Int64(v) => ScalarValue::Int64(Some(*v)),
472            Value::Float32(v) => ScalarValue::Float32(Some(v.0)),
473            Value::Float64(v) => ScalarValue::Float64(Some(v.0)),
474            Value::String(v) => {
475                let s = v.as_utf8().to_string();
476                match output_type {
477                    ConcreteDataType::String(t) if t.is_large() => ScalarValue::LargeUtf8(Some(s)),
478                    _ => ScalarValue::Utf8(Some(s)),
479                }
480            }
481            Value::Binary(v) => ScalarValue::Binary(Some(v.to_vec())),
482            Value::Date(v) => ScalarValue::Date32(Some(v.val())),
483            Value::Null => to_null_scalar_value(output_type)?,
484            Value::List(list) => {
485                // Safety: The logical type of the value and output_type are the same.
486                let list_type = output_type.as_list().unwrap();
487                list.try_to_scalar_value(list_type)?
488            }
489            Value::Timestamp(t) => timestamp_to_scalar_value(t.unit(), Some(t.value())),
490            Value::Time(t) => time_to_scalar_value(*t.unit(), Some(t.value()))?,
491            Value::IntervalYearMonth(v) => ScalarValue::IntervalYearMonth(Some(v.to_i32())),
492            Value::IntervalDayTime(v) => ScalarValue::IntervalDayTime(Some((*v).into())),
493            Value::IntervalMonthDayNano(v) => ScalarValue::IntervalMonthDayNano(Some((*v).into())),
494            Value::Duration(d) => duration_to_scalar_value(d.unit(), Some(d.value())),
495            Value::Decimal128(d) => {
496                let (v, p, s) = d.to_scalar_value();
497                ScalarValue::Decimal128(v, p, s)
498            }
499            Value::Struct(struct_value) => {
500                let struct_type = output_type.as_struct().unwrap();
501                struct_value.try_to_scalar_value(struct_type)?
502            }
503            Value::Json(_) => {
504                return error::ToScalarValueSnafu {
505                    reason: "unsupported for json value",
506                }
507                .fail();
508            }
509        };
510
511        Ok(scalar_value)
512    }
513
514    /// Apply `-` unary op if possible
515    pub fn try_negative(&self) -> Option<Self> {
516        match self {
517            Value::Null => Some(Value::Null),
518            Value::UInt8(x) => {
519                if *x == 0 {
520                    Some(Value::UInt8(*x))
521                } else {
522                    None
523                }
524            }
525            Value::UInt16(x) => {
526                if *x == 0 {
527                    Some(Value::UInt16(*x))
528                } else {
529                    None
530                }
531            }
532            Value::UInt32(x) => {
533                if *x == 0 {
534                    Some(Value::UInt32(*x))
535                } else {
536                    None
537                }
538            }
539            Value::UInt64(x) => {
540                if *x == 0 {
541                    Some(Value::UInt64(*x))
542                } else {
543                    None
544                }
545            }
546            Value::Int8(x) => x.checked_neg().map(Value::Int8),
547            Value::Int16(x) => x.checked_neg().map(Value::Int16),
548            Value::Int32(x) => x.checked_neg().map(Value::Int32),
549            Value::Int64(x) => x.checked_neg().map(Value::Int64),
550            Value::Float32(x) => Some(Value::Float32(-*x)),
551            Value::Float64(x) => Some(Value::Float64(-*x)),
552            Value::Decimal128(x) => Some(Value::Decimal128(x.negative())),
553            Value::Date(x) => x.checked_negative().map(Value::Date),
554            Value::Timestamp(x) => x.checked_negative().map(Value::Timestamp),
555            Value::Time(x) => x.checked_negative().map(Value::Time),
556            Value::Duration(x) => x.checked_negative().map(Value::Duration),
557            Value::IntervalYearMonth(x) => x.checked_negative().map(Value::IntervalYearMonth),
558            Value::IntervalDayTime(x) => x.checked_negative().map(Value::IntervalDayTime),
559            Value::IntervalMonthDayNano(x) => x.checked_negative().map(Value::IntervalMonthDayNano),
560
561            Value::Binary(_)
562            | Value::String(_)
563            | Value::Boolean(_)
564            | Value::List(_)
565            | Value::Struct(_)
566            | Value::Json(_) => None,
567        }
568    }
569}
570
571pub trait TryAsPrimitive<T: LogicalPrimitiveType> {
572    fn try_as_primitive(&self) -> Option<T::Native>;
573}
574
575macro_rules! impl_try_as_primitive {
576    ($Type: ident, $Variant: ident) => {
577        impl TryAsPrimitive<crate::types::$Type> for Value {
578            fn try_as_primitive(
579                &self,
580            ) -> Option<<crate::types::$Type as crate::types::LogicalPrimitiveType>::Native> {
581                match self {
582                    Value::$Variant(v) => Some((*v).into()),
583                    _ => None,
584                }
585            }
586        }
587    };
588}
589
590impl_try_as_primitive!(Int8Type, Int8);
591impl_try_as_primitive!(Int16Type, Int16);
592impl_try_as_primitive!(Int32Type, Int32);
593impl_try_as_primitive!(Int64Type, Int64);
594impl_try_as_primitive!(UInt8Type, UInt8);
595impl_try_as_primitive!(UInt16Type, UInt16);
596impl_try_as_primitive!(UInt32Type, UInt32);
597impl_try_as_primitive!(UInt64Type, UInt64);
598impl_try_as_primitive!(Float32Type, Float32);
599impl_try_as_primitive!(Float64Type, Float64);
600
601pub fn to_null_scalar_value(output_type: &ConcreteDataType) -> Result<ScalarValue> {
602    Ok(match output_type {
603        ConcreteDataType::Null(_) => ScalarValue::Null,
604        ConcreteDataType::Boolean(_) => ScalarValue::Boolean(None),
605        ConcreteDataType::Int8(_) => ScalarValue::Int8(None),
606        ConcreteDataType::Int16(_) => ScalarValue::Int16(None),
607        ConcreteDataType::Int32(_) => ScalarValue::Int32(None),
608        ConcreteDataType::Int64(_) => ScalarValue::Int64(None),
609        ConcreteDataType::UInt8(_) => ScalarValue::UInt8(None),
610        ConcreteDataType::UInt16(_) => ScalarValue::UInt16(None),
611        ConcreteDataType::UInt32(_) => ScalarValue::UInt32(None),
612        ConcreteDataType::UInt64(_) => ScalarValue::UInt64(None),
613        ConcreteDataType::Float32(_) => ScalarValue::Float32(None),
614        ConcreteDataType::Float64(_) => ScalarValue::Float64(None),
615        ConcreteDataType::Binary(_) | ConcreteDataType::Json(_) | ConcreteDataType::Vector(_) => {
616            ScalarValue::Binary(None)
617        }
618        ConcreteDataType::String(t) => {
619            if t.is_large() {
620                ScalarValue::LargeUtf8(None)
621            } else {
622                ScalarValue::Utf8(None)
623            }
624        }
625        ConcreteDataType::Date(_) => ScalarValue::Date32(None),
626        ConcreteDataType::Timestamp(t) => timestamp_to_scalar_value(t.unit(), None),
627        ConcreteDataType::Interval(v) => match v {
628            IntervalType::YearMonth(_) => ScalarValue::IntervalYearMonth(None),
629            IntervalType::DayTime(_) => ScalarValue::IntervalDayTime(None),
630            IntervalType::MonthDayNano(_) => ScalarValue::IntervalMonthDayNano(None),
631        },
632        ConcreteDataType::List(list_type) => {
633            ScalarValue::new_null_list(list_type.item_type().as_arrow_type(), true, 1)
634        }
635        ConcreteDataType::Struct(fields) => {
636            let fields = fields.as_arrow_fields();
637            ScalarStructBuilder::new_null(fields)
638        }
639        ConcreteDataType::Dictionary(dict) => ScalarValue::Dictionary(
640            Box::new(dict.key_type().as_arrow_type()),
641            Box::new(to_null_scalar_value(dict.value_type())?),
642        ),
643        ConcreteDataType::Time(t) => time_to_scalar_value(t.unit(), None)?,
644        ConcreteDataType::Duration(d) => duration_to_scalar_value(d.unit(), None),
645        ConcreteDataType::Decimal128(d) => ScalarValue::Decimal128(None, d.precision(), d.scale()),
646    })
647}
648
649pub fn timestamp_to_scalar_value(unit: TimeUnit, val: Option<i64>) -> ScalarValue {
650    match unit {
651        TimeUnit::Second => ScalarValue::TimestampSecond(val, None),
652        TimeUnit::Millisecond => ScalarValue::TimestampMillisecond(val, None),
653        TimeUnit::Microsecond => ScalarValue::TimestampMicrosecond(val, None),
654        TimeUnit::Nanosecond => ScalarValue::TimestampNanosecond(val, None),
655    }
656}
657
658/// Cast the 64-bit elapsed time into the arrow ScalarValue by time unit.
659pub fn time_to_scalar_value(unit: TimeUnit, val: Option<i64>) -> Result<ScalarValue> {
660    Ok(match unit {
661        TimeUnit::Second => ScalarValue::Time32Second(
662            val.map(|i| i.try_into().context(error::CastTimeTypeSnafu))
663                .transpose()?,
664        ),
665        TimeUnit::Millisecond => ScalarValue::Time32Millisecond(
666            val.map(|i| i.try_into().context(error::CastTimeTypeSnafu))
667                .transpose()?,
668        ),
669        TimeUnit::Microsecond => ScalarValue::Time64Microsecond(val),
670        TimeUnit::Nanosecond => ScalarValue::Time64Nanosecond(val),
671    })
672}
673
674/// Cast the 64-bit duration into the arrow ScalarValue with time unit.
675pub fn duration_to_scalar_value(unit: TimeUnit, val: Option<i64>) -> ScalarValue {
676    match unit {
677        TimeUnit::Second => ScalarValue::DurationSecond(val),
678        TimeUnit::Millisecond => ScalarValue::DurationMillisecond(val),
679        TimeUnit::Microsecond => ScalarValue::DurationMicrosecond(val),
680        TimeUnit::Nanosecond => ScalarValue::DurationNanosecond(val),
681    }
682}
683
684/// Convert [`ScalarValue`] to [`Timestamp`].
685/// If it's `ScalarValue::Utf8`, try to parse it with the given timezone.
686/// Return `None` if given scalar value cannot be converted to a valid timestamp.
687pub fn scalar_value_to_timestamp(
688    scalar: &ScalarValue,
689    timezone: Option<&Timezone>,
690) -> Option<Timestamp> {
691    match scalar {
692        ScalarValue::Utf8(Some(s)) => match Timestamp::from_str(s, timezone) {
693            Ok(t) => Some(t),
694            Err(e) => {
695                error!(e;"Failed to convert string literal {s} to timestamp");
696                None
697            }
698        },
699        ScalarValue::TimestampSecond(v, _) => v.map(Timestamp::new_second),
700        ScalarValue::TimestampMillisecond(v, _) => v.map(Timestamp::new_millisecond),
701        ScalarValue::TimestampMicrosecond(v, _) => v.map(Timestamp::new_microsecond),
702        ScalarValue::TimestampNanosecond(v, _) => v.map(Timestamp::new_nanosecond),
703        _ => None,
704    }
705}
706
707macro_rules! impl_ord_for_value_like {
708    ($Type: ident, $left: ident, $right: ident) => {
709        if $left.is_null() && !$right.is_null() {
710            return Ordering::Less;
711        } else if !$left.is_null() && $right.is_null() {
712            return Ordering::Greater;
713        } else {
714            match ($left, $right) {
715                ($Type::Null, $Type::Null) => Ordering::Equal,
716                ($Type::Boolean(v1), $Type::Boolean(v2)) => v1.cmp(v2),
717                ($Type::UInt8(v1), $Type::UInt8(v2)) => v1.cmp(v2),
718                ($Type::UInt16(v1), $Type::UInt16(v2)) => v1.cmp(v2),
719                ($Type::UInt32(v1), $Type::UInt32(v2)) => v1.cmp(v2),
720                ($Type::UInt64(v1), $Type::UInt64(v2)) => v1.cmp(v2),
721                ($Type::Int8(v1), $Type::Int8(v2)) => v1.cmp(v2),
722                ($Type::Int16(v1), $Type::Int16(v2)) => v1.cmp(v2),
723                ($Type::Int32(v1), $Type::Int32(v2)) => v1.cmp(v2),
724                ($Type::Int64(v1), $Type::Int64(v2)) => v1.cmp(v2),
725                ($Type::Float32(v1), $Type::Float32(v2)) => v1.cmp(v2),
726                ($Type::Float64(v1), $Type::Float64(v2)) => v1.cmp(v2),
727                ($Type::String(v1), $Type::String(v2)) => v1.cmp(v2),
728                ($Type::Binary(v1), $Type::Binary(v2)) => v1.cmp(v2),
729                ($Type::Date(v1), $Type::Date(v2)) => v1.cmp(v2),
730                ($Type::Timestamp(v1), $Type::Timestamp(v2)) => v1.cmp(v2),
731                ($Type::Time(v1), $Type::Time(v2)) => v1.cmp(v2),
732                ($Type::IntervalYearMonth(v1), $Type::IntervalYearMonth(v2)) => v1.cmp(v2),
733                ($Type::IntervalDayTime(v1), $Type::IntervalDayTime(v2)) => v1.cmp(v2),
734                ($Type::IntervalMonthDayNano(v1), $Type::IntervalMonthDayNano(v2)) => v1.cmp(v2),
735                ($Type::Duration(v1), $Type::Duration(v2)) => v1.cmp(v2),
736                ($Type::List(v1), $Type::List(v2)) => v1.cmp(v2),
737                _ => panic!(
738                    "Cannot compare different values {:?} and {:?}",
739                    $left, $right
740                ),
741            }
742        }
743    };
744}
745
746impl PartialOrd for Value {
747    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
748        Some(self.cmp(other))
749    }
750}
751
752impl Ord for Value {
753    fn cmp(&self, other: &Self) -> Ordering {
754        impl_ord_for_value_like!(Value, self, other)
755    }
756}
757
758macro_rules! impl_try_from_value {
759    ($Variant: ident, $Type: ident) => {
760        impl TryFrom<Value> for $Type {
761            type Error = Error;
762
763            #[inline]
764            fn try_from(from: Value) -> std::result::Result<Self, Self::Error> {
765                match from {
766                    Value::$Variant(v) => Ok(v.into()),
767                    _ => TryFromValueSnafu {
768                        reason: format!("{:?} is not a {}", from, stringify!($Type)),
769                    }
770                    .fail(),
771                }
772            }
773        }
774
775        impl TryFrom<Value> for Option<$Type> {
776            type Error = Error;
777
778            #[inline]
779            fn try_from(from: Value) -> std::result::Result<Self, Self::Error> {
780                match from {
781                    Value::$Variant(v) => Ok(Some(v.into())),
782                    Value::Null => Ok(None),
783                    _ => TryFromValueSnafu {
784                        reason: format!("{:?} is not a {}", from, stringify!($Type)),
785                    }
786                    .fail(),
787                }
788            }
789        }
790    };
791}
792
793impl_try_from_value!(Boolean, bool);
794impl_try_from_value!(UInt8, u8);
795impl_try_from_value!(UInt16, u16);
796impl_try_from_value!(UInt32, u32);
797impl_try_from_value!(UInt64, u64);
798impl_try_from_value!(Int8, i8);
799impl_try_from_value!(Int16, i16);
800impl_try_from_value!(Int32, i32);
801impl_try_from_value!(Int64, i64);
802impl_try_from_value!(Float32, f32);
803impl_try_from_value!(Float64, f64);
804impl_try_from_value!(Float32, OrderedF32);
805impl_try_from_value!(Float64, OrderedF64);
806impl_try_from_value!(String, StringBytes);
807impl_try_from_value!(Binary, Bytes);
808impl_try_from_value!(Date, Date);
809impl_try_from_value!(Time, Time);
810impl_try_from_value!(Timestamp, Timestamp);
811impl_try_from_value!(IntervalYearMonth, IntervalYearMonth);
812impl_try_from_value!(IntervalDayTime, IntervalDayTime);
813impl_try_from_value!(IntervalMonthDayNano, IntervalMonthDayNano);
814impl_try_from_value!(Duration, Duration);
815impl_try_from_value!(Decimal128, Decimal128);
816
817macro_rules! impl_value_from {
818    ($Variant: ident, $Type: ident) => {
819        impl From<$Type> for Value {
820            fn from(value: $Type) -> Self {
821                Value::$Variant(value.into())
822            }
823        }
824
825        impl From<Option<$Type>> for Value {
826            fn from(value: Option<$Type>) -> Self {
827                match value {
828                    Some(v) => Value::$Variant(v.into()),
829                    None => Value::Null,
830                }
831            }
832        }
833    };
834}
835
836impl_value_from!(Boolean, bool);
837impl_value_from!(UInt8, u8);
838impl_value_from!(UInt16, u16);
839impl_value_from!(UInt32, u32);
840impl_value_from!(UInt64, u64);
841impl_value_from!(Int8, i8);
842impl_value_from!(Int16, i16);
843impl_value_from!(Int32, i32);
844impl_value_from!(Int64, i64);
845impl_value_from!(Float32, f32);
846impl_value_from!(Float64, f64);
847impl_value_from!(Float32, OrderedF32);
848impl_value_from!(Float64, OrderedF64);
849impl_value_from!(String, StringBytes);
850impl_value_from!(Binary, Bytes);
851impl_value_from!(Date, Date);
852impl_value_from!(Time, Time);
853impl_value_from!(Timestamp, Timestamp);
854impl_value_from!(IntervalYearMonth, IntervalYearMonth);
855impl_value_from!(IntervalDayTime, IntervalDayTime);
856impl_value_from!(IntervalMonthDayNano, IntervalMonthDayNano);
857impl_value_from!(Duration, Duration);
858impl_value_from!(String, String);
859impl_value_from!(Decimal128, Decimal128);
860
861impl From<&str> for Value {
862    fn from(string: &str) -> Value {
863        Value::String(string.into())
864    }
865}
866
867impl From<Vec<u8>> for Value {
868    fn from(bytes: Vec<u8>) -> Value {
869        Value::Binary(bytes.into())
870    }
871}
872
873impl From<&[u8]> for Value {
874    fn from(bytes: &[u8]) -> Value {
875        Value::Binary(bytes.into())
876    }
877}
878
879impl From<()> for Value {
880    fn from(_: ()) -> Self {
881        Value::Null
882    }
883}
884
885impl TryFrom<Value> for serde_json::Value {
886    type Error = serde_json::Error;
887
888    fn try_from(value: Value) -> serde_json::Result<serde_json::Value> {
889        let json_value = match value {
890            Value::Null => serde_json::Value::Null,
891            Value::Boolean(v) => serde_json::Value::Bool(v),
892            Value::UInt8(v) => serde_json::Value::from(v),
893            Value::UInt16(v) => serde_json::Value::from(v),
894            Value::UInt32(v) => serde_json::Value::from(v),
895            Value::UInt64(v) => serde_json::Value::from(v),
896            Value::Int8(v) => serde_json::Value::from(v),
897            Value::Int16(v) => serde_json::Value::from(v),
898            Value::Int32(v) => serde_json::Value::from(v),
899            Value::Int64(v) => serde_json::Value::from(v),
900            Value::Float32(v) => serde_json::Value::from(v.0),
901            Value::Float64(v) => serde_json::Value::from(v.0),
902            Value::String(bytes) => serde_json::Value::String(bytes.into_string()),
903            Value::Binary(bytes) => serde_json::to_value(bytes)?,
904            Value::Date(v) => serde_json::Value::Number(v.val().into()),
905            Value::List(v) => {
906                let items = v
907                    .take_items()
908                    .into_iter()
909                    .map(serde_json::Value::try_from)
910                    .collect::<serde_json::Result<Vec<_>>>()?;
911                serde_json::Value::Array(items)
912            }
913            Value::Timestamp(v) => serde_json::to_value(v.value())?,
914            Value::Time(v) => serde_json::to_value(v.value())?,
915            Value::IntervalYearMonth(v) => serde_json::to_value(v.to_i32())?,
916            Value::IntervalDayTime(v) => serde_json::to_value(v.to_i64())?,
917            Value::IntervalMonthDayNano(v) => serde_json::to_value(v.to_i128())?,
918            Value::Duration(v) => serde_json::to_value(v.value())?,
919            Value::Decimal128(v) => serde_json::to_value(v.to_string())?,
920            Value::Struct(v) => {
921                let (items, struct_type) = v.into_parts();
922                let map = struct_type
923                    .fields()
924                    .iter()
925                    .zip(items)
926                    .map(|(field, value)| {
927                        Ok((
928                            field.name().to_string(),
929                            serde_json::Value::try_from(value)?,
930                        ))
931                    })
932                    .collect::<serde_json::Result<Map<String, serde_json::Value>>>()?;
933                serde_json::Value::Object(map)
934            }
935            Value::Json(v) => (*v).try_into()?,
936        };
937
938        Ok(json_value)
939    }
940}
941
942// TODO(yingwen): Consider removing the `datatype` field from `ListValue`.
943/// List value.
944#[derive(Debug, Clone, PartialEq, Hash, Serialize, Deserialize)]
945pub struct ListValue {
946    items: Vec<Value>,
947    /// Inner values datatype, to distinguish empty lists of different datatypes.
948    /// Restricted by DataFusion, cannot use null datatype for empty list.
949    datatype: Arc<ConcreteDataType>,
950}
951
952impl Eq for ListValue {}
953
954impl ListValue {
955    pub fn new(items: Vec<Value>, datatype: Arc<ConcreteDataType>) -> Self {
956        Self { items, datatype }
957    }
958
959    pub fn items(&self) -> &[Value] {
960        &self.items
961    }
962
963    pub fn take_items(self) -> Vec<Value> {
964        self.items
965    }
966
967    pub fn into_parts(self) -> (Vec<Value>, Arc<ConcreteDataType>) {
968        (self.items, self.datatype)
969    }
970
971    /// List value's inner type data type
972    pub fn datatype(&self) -> Arc<ConcreteDataType> {
973        self.datatype.clone()
974    }
975
976    pub fn len(&self) -> usize {
977        self.items.len()
978    }
979
980    pub fn is_empty(&self) -> bool {
981        self.items.is_empty()
982    }
983
984    pub fn try_to_scalar_value(&self, output_type: &ListType) -> Result<ScalarValue> {
985        let vs = self
986            .items
987            .iter()
988            .map(|v| v.try_to_scalar_value(output_type.item_type()))
989            .collect::<Result<Vec<_>>>()?;
990        Ok(ScalarValue::List(ScalarValue::new_list(
991            &vs,
992            &self.datatype.as_arrow_type(),
993            true,
994        )))
995    }
996
997    /// use 'the first item size' * 'length of items' to estimate the size.
998    /// it could be inaccurate.
999    fn estimated_size(&self) -> usize {
1000        self.items
1001            .first()
1002            .map(|x| x.as_value_ref().data_size() * self.items.len())
1003            .unwrap_or(0)
1004            + std::mem::size_of::<Arc<ConcreteDataType>>()
1005    }
1006}
1007
1008impl Default for ListValue {
1009    fn default() -> ListValue {
1010        ListValue::new(vec![], Arc::new(ConcreteDataType::null_datatype()))
1011    }
1012}
1013
1014impl PartialOrd for ListValue {
1015    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1016        Some(self.cmp(other))
1017    }
1018}
1019
1020impl Ord for ListValue {
1021    fn cmp(&self, other: &Self) -> Ordering {
1022        assert_eq!(
1023            self.datatype, other.datatype,
1024            "Cannot compare different datatypes!"
1025        );
1026        self.items.cmp(&other.items)
1027    }
1028}
1029
1030#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
1031pub struct StructValue {
1032    items: Vec<Value>,
1033    fields: StructType,
1034}
1035
1036impl StructValue {
1037    pub fn try_new(items: Vec<Value>, fields: StructType) -> Result<Self> {
1038        ensure!(
1039            items.len() == fields.fields().len(),
1040            InconsistentStructFieldsAndItemsSnafu {
1041                field_len: fields.fields().len(),
1042                item_len: items.len()
1043            }
1044        );
1045        Ok(Self { items, fields })
1046    }
1047
1048    /// Create a new struct value.
1049    ///
1050    /// Panics if the number of items does not match the number of fields.
1051    pub fn new(items: Vec<Value>, fields: StructType) -> Self {
1052        Self::try_new(items, fields).unwrap()
1053    }
1054
1055    pub fn items(&self) -> &[Value] {
1056        &self.items
1057    }
1058
1059    pub fn take_items(self) -> Vec<Value> {
1060        self.items
1061    }
1062
1063    pub fn into_parts(self) -> (Vec<Value>, StructType) {
1064        (self.items, self.fields)
1065    }
1066
1067    pub fn struct_type(&self) -> &StructType {
1068        &self.fields
1069    }
1070
1071    pub fn len(&self) -> usize {
1072        self.items.len()
1073    }
1074
1075    pub fn is_empty(&self) -> bool {
1076        self.items.is_empty()
1077    }
1078
1079    fn estimated_size(&self) -> usize {
1080        self.items
1081            .iter()
1082            .map(|x| x.as_value_ref().data_size())
1083            .sum::<usize>()
1084            + std::mem::size_of::<StructType>()
1085    }
1086
1087    fn try_to_scalar_value(&self, output_type: &StructType) -> Result<ScalarValue> {
1088        let arrays = self
1089            .items
1090            .iter()
1091            .map(|value| {
1092                let scalar_value = value.try_to_scalar_value(&value.data_type())?;
1093                scalar_value
1094                    .to_array()
1095                    .context(ConvertScalarToArrowArraySnafu)
1096            })
1097            .collect::<Result<Vec<Arc<dyn Array>>>>()?;
1098
1099        let fields = output_type.as_arrow_fields();
1100        let struct_array = StructArray::new(fields, arrays, None);
1101        Ok(ScalarValue::Struct(Arc::new(struct_array)))
1102    }
1103}
1104
1105impl Default for StructValue {
1106    fn default() -> StructValue {
1107        StructValue::try_new(vec![], StructType::new(Arc::new(vec![]))).unwrap()
1108    }
1109}
1110
1111// TODO(ruihang): Implement this type
1112/// Dictionary value.
1113#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
1114pub struct DictionaryValue {
1115    /// Inner values datatypes
1116    key_type: ConcreteDataType,
1117    value_type: ConcreteDataType,
1118}
1119
1120impl Eq for DictionaryValue {}
1121
1122impl TryFrom<ScalarValue> for Value {
1123    type Error = error::Error;
1124
1125    fn try_from(v: ScalarValue) -> Result<Self> {
1126        let v = match v {
1127            ScalarValue::Null => Value::Null,
1128            ScalarValue::Boolean(b) => Value::from(b),
1129            ScalarValue::Float32(f) => Value::from(f),
1130            ScalarValue::Float64(f) => Value::from(f),
1131            ScalarValue::Int8(i) => Value::from(i),
1132            ScalarValue::Int16(i) => Value::from(i),
1133            ScalarValue::Int32(i) => Value::from(i),
1134            ScalarValue::Int64(i) => Value::from(i),
1135            ScalarValue::UInt8(u) => Value::from(u),
1136            ScalarValue::UInt16(u) => Value::from(u),
1137            ScalarValue::UInt32(u) => Value::from(u),
1138            ScalarValue::UInt64(u) => Value::from(u),
1139            ScalarValue::Utf8(s) | ScalarValue::LargeUtf8(s) => {
1140                Value::from(s.map(StringBytes::from))
1141            }
1142            ScalarValue::Binary(b)
1143            | ScalarValue::LargeBinary(b)
1144            | ScalarValue::FixedSizeBinary(_, b) => Value::from(b.map(Bytes::from)),
1145            ScalarValue::List(array) => {
1146                // this is for item type
1147                let datatype = ConcreteDataType::try_from(&array.value_type())?;
1148                let scalar_values = ScalarValue::convert_array_to_scalar_vec(array.as_ref())
1149                    .context(ConvertArrowArrayToScalarsSnafu)?;
1150                let items = scalar_values
1151                    .into_iter()
1152                    .flat_map(|v| v.unwrap_or_else(|| vec![ScalarValue::Null]))
1153                    .map(|x| x.try_into())
1154                    .collect::<Result<Vec<Value>>>()?;
1155                Value::List(ListValue::new(items, Arc::new(datatype)))
1156            }
1157            ScalarValue::Date32(d) => d.map(|x| Value::Date(Date::new(x))).unwrap_or(Value::Null),
1158            ScalarValue::TimestampSecond(t, _) => t
1159                .map(|x| Value::Timestamp(Timestamp::new(x, TimeUnit::Second)))
1160                .unwrap_or(Value::Null),
1161            ScalarValue::TimestampMillisecond(t, _) => t
1162                .map(|x| Value::Timestamp(Timestamp::new(x, TimeUnit::Millisecond)))
1163                .unwrap_or(Value::Null),
1164            ScalarValue::TimestampMicrosecond(t, _) => t
1165                .map(|x| Value::Timestamp(Timestamp::new(x, TimeUnit::Microsecond)))
1166                .unwrap_or(Value::Null),
1167            ScalarValue::TimestampNanosecond(t, _) => t
1168                .map(|x| Value::Timestamp(Timestamp::new(x, TimeUnit::Nanosecond)))
1169                .unwrap_or(Value::Null),
1170            ScalarValue::Time32Second(t) => t
1171                .map(|x| Value::Time(Time::new(x as i64, TimeUnit::Second)))
1172                .unwrap_or(Value::Null),
1173            ScalarValue::Time32Millisecond(t) => t
1174                .map(|x| Value::Time(Time::new(x as i64, TimeUnit::Millisecond)))
1175                .unwrap_or(Value::Null),
1176            ScalarValue::Time64Microsecond(t) => t
1177                .map(|x| Value::Time(Time::new(x, TimeUnit::Microsecond)))
1178                .unwrap_or(Value::Null),
1179            ScalarValue::Time64Nanosecond(t) => t
1180                .map(|x| Value::Time(Time::new(x, TimeUnit::Nanosecond)))
1181                .unwrap_or(Value::Null),
1182
1183            ScalarValue::IntervalYearMonth(t) => t
1184                .map(|x| Value::IntervalYearMonth(IntervalYearMonth::from_i32(x)))
1185                .unwrap_or(Value::Null),
1186            ScalarValue::IntervalDayTime(t) => t
1187                .map(|x| Value::IntervalDayTime(IntervalDayTime::from(x)))
1188                .unwrap_or(Value::Null),
1189            ScalarValue::IntervalMonthDayNano(t) => t
1190                .map(|x| Value::IntervalMonthDayNano(IntervalMonthDayNano::from(x)))
1191                .unwrap_or(Value::Null),
1192            ScalarValue::DurationSecond(d) => d
1193                .map(|x| Value::Duration(Duration::new(x, TimeUnit::Second)))
1194                .unwrap_or(Value::Null),
1195            ScalarValue::DurationMillisecond(d) => d
1196                .map(|x| Value::Duration(Duration::new(x, TimeUnit::Millisecond)))
1197                .unwrap_or(Value::Null),
1198            ScalarValue::DurationMicrosecond(d) => d
1199                .map(|x| Value::Duration(Duration::new(x, TimeUnit::Microsecond)))
1200                .unwrap_or(Value::Null),
1201            ScalarValue::DurationNanosecond(d) => d
1202                .map(|x| Value::Duration(Duration::new(x, TimeUnit::Nanosecond)))
1203                .unwrap_or(Value::Null),
1204            ScalarValue::Decimal128(v, p, s) => v
1205                .map(|v| Value::Decimal128(Decimal128::new(v, p, s)))
1206                .unwrap_or(Value::Null),
1207            ScalarValue::Struct(struct_array) => {
1208                let struct_type = StructType::from(struct_array.fields());
1209                let items = struct_array
1210                    .columns()
1211                    .iter()
1212                    .map(|array| {
1213                        // we only take first element from each array
1214                        let field_scalar_value = ScalarValue::try_from_array(array.as_ref(), 0)
1215                            .context(ConvertArrowArrayToScalarsSnafu)?;
1216                        field_scalar_value.try_into()
1217                    })
1218                    .collect::<Result<Vec<Value>>>()?;
1219                Value::Struct(StructValue::try_new(items, struct_type)?)
1220            }
1221            ScalarValue::Dictionary(_, value) => (*value).try_into()?,
1222            ScalarValue::Decimal32(_, _, _)
1223            | ScalarValue::Decimal64(_, _, _)
1224            | ScalarValue::Decimal256(_, _, _)
1225            | ScalarValue::FixedSizeList(_)
1226            | ScalarValue::LargeList(_)
1227            | ScalarValue::Union(_, _, _)
1228            | ScalarValue::Float16(_)
1229            | ScalarValue::Utf8View(_)
1230            | ScalarValue::BinaryView(_)
1231            | ScalarValue::Map(_)
1232            | ScalarValue::Date64(_)
1233            | ScalarValue::RunEndEncoded(_, _, _) => {
1234                return error::UnsupportedArrowTypeSnafu {
1235                    arrow_type: v.data_type(),
1236                }
1237                .fail();
1238            }
1239        };
1240        Ok(v)
1241    }
1242}
1243
1244impl From<ValueRef<'_>> for Value {
1245    fn from(value: ValueRef<'_>) -> Self {
1246        match value {
1247            ValueRef::Null => Value::Null,
1248            ValueRef::Boolean(v) => Value::Boolean(v),
1249            ValueRef::UInt8(v) => Value::UInt8(v),
1250            ValueRef::UInt16(v) => Value::UInt16(v),
1251            ValueRef::UInt32(v) => Value::UInt32(v),
1252            ValueRef::UInt64(v) => Value::UInt64(v),
1253            ValueRef::Int8(v) => Value::Int8(v),
1254            ValueRef::Int16(v) => Value::Int16(v),
1255            ValueRef::Int32(v) => Value::Int32(v),
1256            ValueRef::Int64(v) => Value::Int64(v),
1257            ValueRef::Float32(v) => Value::Float32(v),
1258            ValueRef::Float64(v) => Value::Float64(v),
1259            ValueRef::String(v) => Value::String(v.into()),
1260            ValueRef::Binary(v) => Value::Binary(v.into()),
1261            ValueRef::Date(v) => Value::Date(v),
1262            ValueRef::Timestamp(v) => Value::Timestamp(v),
1263            ValueRef::Time(v) => Value::Time(v),
1264            ValueRef::IntervalYearMonth(v) => Value::IntervalYearMonth(v),
1265            ValueRef::IntervalDayTime(v) => Value::IntervalDayTime(v),
1266            ValueRef::IntervalMonthDayNano(v) => Value::IntervalMonthDayNano(v),
1267            ValueRef::Duration(v) => Value::Duration(v),
1268            ValueRef::List(v) => v.to_value(),
1269            ValueRef::Decimal128(v) => Value::Decimal128(v),
1270            ValueRef::Struct(v) => v.to_value(),
1271            ValueRef::Json(v) => Value::Json(Box::new(JsonValue::from(*v))),
1272        }
1273    }
1274}
1275
1276/// Reference to [Value].
1277#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
1278pub enum ValueRef<'a> {
1279    Null,
1280
1281    // Numeric types:
1282    Boolean(bool),
1283    UInt8(u8),
1284    UInt16(u16),
1285    UInt32(u32),
1286    UInt64(u64),
1287    Int8(i8),
1288    Int16(i16),
1289    Int32(i32),
1290    Int64(i64),
1291    Float32(OrderedF32),
1292    Float64(OrderedF64),
1293
1294    // Decimal type:
1295    Decimal128(Decimal128),
1296
1297    // String types:
1298    String(&'a str),
1299    Binary(&'a [u8]),
1300
1301    // Date & Time types:
1302    Date(Date),
1303    Timestamp(Timestamp),
1304    Time(Time),
1305    Duration(Duration),
1306    // Interval types:
1307    IntervalYearMonth(IntervalYearMonth),
1308    IntervalDayTime(IntervalDayTime),
1309    IntervalMonthDayNano(IntervalMonthDayNano),
1310
1311    // Compound types:
1312    List(ListValueRef<'a>),
1313    Struct(StructValueRef<'a>),
1314
1315    Json(Box<JsonValueRef<'a>>),
1316}
1317
1318macro_rules! impl_as_for_value_ref {
1319    ($value: ident, $Variant: ident) => {
1320        match $value {
1321            ValueRef::Null => Ok(None),
1322            ValueRef::$Variant(v) => Ok(Some(v.clone())),
1323            other => error::CastTypeSnafu {
1324                msg: format!(
1325                    "Failed to cast value ref {:?} to {}",
1326                    other,
1327                    stringify!($Variant)
1328                ),
1329            }
1330            .fail(),
1331        }
1332    };
1333}
1334
1335impl<'a> ValueRef<'a> {
1336    define_data_type_func!(ValueRef);
1337
1338    /// Returns true if this is null.
1339    pub fn is_null(&self) -> bool {
1340        match self {
1341            ValueRef::Null => true,
1342            ValueRef::Json(v) => v.is_null(),
1343            _ => false,
1344        }
1345    }
1346
1347    /// Cast itself to binary slice.
1348    pub fn try_into_binary(&self) -> Result<Option<&'a [u8]>> {
1349        impl_as_for_value_ref!(self, Binary)
1350    }
1351
1352    /// Cast itself to string slice.
1353    pub fn try_into_string(&self) -> Result<Option<&'a str>> {
1354        impl_as_for_value_ref!(self, String)
1355    }
1356
1357    /// Cast itself to boolean.
1358    pub fn try_into_boolean(&self) -> Result<Option<bool>> {
1359        impl_as_for_value_ref!(self, Boolean)
1360    }
1361
1362    pub fn try_into_i8(&self) -> Result<Option<i8>> {
1363        impl_as_for_value_ref!(self, Int8)
1364    }
1365
1366    pub fn try_into_u8(&self) -> Result<Option<u8>> {
1367        impl_as_for_value_ref!(self, UInt8)
1368    }
1369
1370    pub fn try_into_i16(&self) -> Result<Option<i16>> {
1371        impl_as_for_value_ref!(self, Int16)
1372    }
1373
1374    pub fn try_into_u16(&self) -> Result<Option<u16>> {
1375        impl_as_for_value_ref!(self, UInt16)
1376    }
1377
1378    pub fn try_into_i32(&self) -> Result<Option<i32>> {
1379        impl_as_for_value_ref!(self, Int32)
1380    }
1381
1382    pub fn try_into_u32(&self) -> Result<Option<u32>> {
1383        impl_as_for_value_ref!(self, UInt32)
1384    }
1385
1386    pub fn try_into_i64(&self) -> Result<Option<i64>> {
1387        impl_as_for_value_ref!(self, Int64)
1388    }
1389
1390    pub fn try_into_u64(&self) -> Result<Option<u64>> {
1391        impl_as_for_value_ref!(self, UInt64)
1392    }
1393
1394    pub fn try_into_f32(&self) -> Result<Option<f32>> {
1395        match self {
1396            ValueRef::Null => Ok(None),
1397            ValueRef::Float32(f) => Ok(Some(f.0)),
1398            ValueRef::Json(v) => Ok(v.as_f32()),
1399            other => error::CastTypeSnafu {
1400                msg: format!("Failed to cast value ref {:?} to ValueRef::Float32", other,),
1401            }
1402            .fail(),
1403        }
1404    }
1405
1406    pub fn try_into_f64(&self) -> Result<Option<f64>> {
1407        match self {
1408            ValueRef::Null => Ok(None),
1409            ValueRef::Float64(f) => Ok(Some(f.0)),
1410            ValueRef::Json(v) => Ok(v.as_f64()),
1411            other => error::CastTypeSnafu {
1412                msg: format!("Failed to cast value ref {:?} to ValueRef::Float64", other,),
1413            }
1414            .fail(),
1415        }
1416    }
1417
1418    /// Cast itself to [Date].
1419    pub fn try_into_date(&self) -> Result<Option<Date>> {
1420        impl_as_for_value_ref!(self, Date)
1421    }
1422
1423    /// Cast itself to [Timestamp].
1424    pub fn try_into_timestamp(&self) -> Result<Option<Timestamp>> {
1425        impl_as_for_value_ref!(self, Timestamp)
1426    }
1427
1428    /// Cast itself to [Time].
1429    pub fn try_into_time(&self) -> Result<Option<Time>> {
1430        impl_as_for_value_ref!(self, Time)
1431    }
1432
1433    pub fn try_into_duration(&self) -> Result<Option<Duration>> {
1434        impl_as_for_value_ref!(self, Duration)
1435    }
1436
1437    /// Cast itself to [IntervalYearMonth].
1438    pub fn try_into_interval_year_month(&self) -> Result<Option<IntervalYearMonth>> {
1439        impl_as_for_value_ref!(self, IntervalYearMonth)
1440    }
1441
1442    /// Cast itself to [IntervalDayTime].
1443    pub fn try_into_interval_day_time(&self) -> Result<Option<IntervalDayTime>> {
1444        impl_as_for_value_ref!(self, IntervalDayTime)
1445    }
1446
1447    /// Cast itself to [IntervalMonthDayNano].
1448    pub fn try_into_interval_month_day_nano(&self) -> Result<Option<IntervalMonthDayNano>> {
1449        impl_as_for_value_ref!(self, IntervalMonthDayNano)
1450    }
1451
1452    /// Cast itself to [ListValueRef].
1453    pub fn try_into_list(&self) -> Result<Option<ListValueRef<'_>>> {
1454        impl_as_for_value_ref!(self, List)
1455    }
1456
1457    /// Cast itself to [StructValueRef].
1458    pub fn try_into_struct(&self) -> Result<Option<StructValueRef<'_>>> {
1459        impl_as_for_value_ref!(self, Struct)
1460    }
1461
1462    /// Cast itself to [Decimal128].
1463    pub fn try_into_decimal128(&self) -> Result<Option<Decimal128>> {
1464        impl_as_for_value_ref!(self, Decimal128)
1465    }
1466}
1467
1468impl PartialOrd for ValueRef<'_> {
1469    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1470        Some(self.cmp(other))
1471    }
1472}
1473
1474impl Ord for ValueRef<'_> {
1475    fn cmp(&self, other: &Self) -> Ordering {
1476        impl_ord_for_value_like!(ValueRef, self, other)
1477    }
1478}
1479
1480macro_rules! impl_value_ref_from {
1481    ($Variant:ident, $Type:ident) => {
1482        impl From<$Type> for ValueRef<'_> {
1483            fn from(value: $Type) -> Self {
1484                ValueRef::$Variant(value.into())
1485            }
1486        }
1487
1488        impl From<Option<$Type>> for ValueRef<'_> {
1489            fn from(value: Option<$Type>) -> Self {
1490                match value {
1491                    Some(v) => ValueRef::$Variant(v.into()),
1492                    None => ValueRef::Null,
1493                }
1494            }
1495        }
1496    };
1497}
1498
1499impl_value_ref_from!(Boolean, bool);
1500impl_value_ref_from!(UInt8, u8);
1501impl_value_ref_from!(UInt16, u16);
1502impl_value_ref_from!(UInt32, u32);
1503impl_value_ref_from!(UInt64, u64);
1504impl_value_ref_from!(Int8, i8);
1505impl_value_ref_from!(Int16, i16);
1506impl_value_ref_from!(Int32, i32);
1507impl_value_ref_from!(Int64, i64);
1508impl_value_ref_from!(Float32, f32);
1509impl_value_ref_from!(Float64, f64);
1510impl_value_ref_from!(Date, Date);
1511impl_value_ref_from!(Timestamp, Timestamp);
1512impl_value_ref_from!(Time, Time);
1513impl_value_ref_from!(IntervalYearMonth, IntervalYearMonth);
1514impl_value_ref_from!(IntervalDayTime, IntervalDayTime);
1515impl_value_ref_from!(IntervalMonthDayNano, IntervalMonthDayNano);
1516impl_value_ref_from!(Duration, Duration);
1517impl_value_ref_from!(Decimal128, Decimal128);
1518
1519impl<'a> From<&'a str> for ValueRef<'a> {
1520    fn from(string: &'a str) -> ValueRef<'a> {
1521        ValueRef::String(string)
1522    }
1523}
1524
1525impl<'a> From<&'a [u8]> for ValueRef<'a> {
1526    fn from(bytes: &'a [u8]) -> ValueRef<'a> {
1527        ValueRef::Binary(bytes)
1528    }
1529}
1530
1531impl<'a> From<Option<ListValueRef<'a>>> for ValueRef<'a> {
1532    fn from(list: Option<ListValueRef>) -> ValueRef {
1533        match list {
1534            Some(v) => ValueRef::List(v),
1535            None => ValueRef::Null,
1536        }
1537    }
1538}
1539
1540/// Reference to a [ListValue].
1541///
1542/// Now comparison still requires some allocation (call of `to_value()`) and
1543/// might be avoidable by downcasting and comparing the underlying array slice
1544/// if it becomes bottleneck.
1545#[derive(Debug, Clone)]
1546pub enum ListValueRef<'a> {
1547    // TODO(yingwen): Consider replace this by VectorRef.
1548    Indexed {
1549        vector: &'a ListVector,
1550        idx: usize,
1551    },
1552    Ref {
1553        val: &'a ListValue,
1554    },
1555    RefList {
1556        val: Vec<ValueRef<'a>>,
1557        item_datatype: Arc<ConcreteDataType>,
1558    },
1559}
1560
1561impl ListValueRef<'_> {
1562    /// Convert self to [Value]. This method would clone the underlying data.
1563    fn to_value(&self) -> Value {
1564        match self {
1565            ListValueRef::Indexed { vector, idx } => vector.get(*idx),
1566            ListValueRef::Ref { val } => Value::List((*val).clone()),
1567            ListValueRef::RefList { val, item_datatype } => Value::List(ListValue::new(
1568                val.iter().map(|v| Value::from(v.clone())).collect(),
1569                item_datatype.clone(),
1570            )),
1571        }
1572    }
1573    /// Returns the inner element's data type.
1574    fn datatype(&self) -> Arc<ConcreteDataType> {
1575        match self {
1576            ListValueRef::Indexed { vector, .. } => vector.item_type(),
1577            ListValueRef::Ref { val } => val.datatype().clone(),
1578            ListValueRef::RefList { item_datatype, .. } => item_datatype.clone(),
1579        }
1580    }
1581}
1582
1583impl Serialize for ListValueRef<'_> {
1584    fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
1585        match self {
1586            ListValueRef::Indexed { vector, idx } => match vector.get(*idx) {
1587                Value::List(v) => v.serialize(serializer),
1588                _ => unreachable!(),
1589            },
1590            ListValueRef::Ref { val } => val.serialize(serializer),
1591            ListValueRef::RefList { val, .. } => val.serialize(serializer),
1592        }
1593    }
1594}
1595
1596impl PartialEq for ListValueRef<'_> {
1597    fn eq(&self, other: &Self) -> bool {
1598        self.to_value().eq(&other.to_value())
1599    }
1600}
1601
1602impl Eq for ListValueRef<'_> {}
1603
1604impl Ord for ListValueRef<'_> {
1605    fn cmp(&self, other: &Self) -> Ordering {
1606        // Respect the order of `Value` by converting into value before comparison.
1607        self.to_value().cmp(&other.to_value())
1608    }
1609}
1610
1611impl PartialOrd for ListValueRef<'_> {
1612    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1613        Some(self.cmp(other))
1614    }
1615}
1616
1617#[derive(Debug, Clone)]
1618pub enum StructValueRef<'a> {
1619    Indexed {
1620        vector: &'a StructVector,
1621        idx: usize,
1622    },
1623    Ref(&'a StructValue),
1624    RefList {
1625        val: Vec<ValueRef<'a>>,
1626        fields: StructType,
1627    },
1628}
1629
1630impl<'a> StructValueRef<'a> {
1631    pub fn to_value(&self) -> Value {
1632        match self {
1633            StructValueRef::Indexed { vector, idx } => vector.get(*idx),
1634            StructValueRef::Ref(val) => Value::Struct((*val).clone()),
1635            StructValueRef::RefList { val, fields } => {
1636                let items = val.iter().map(|v| Value::from(v.clone())).collect();
1637                Value::Struct(StructValue::try_new(items, fields.clone()).unwrap())
1638            }
1639        }
1640    }
1641
1642    pub fn struct_type(&self) -> &StructType {
1643        match self {
1644            StructValueRef::Indexed { vector, .. } => vector.struct_type(),
1645            StructValueRef::Ref(val) => val.struct_type(),
1646            StructValueRef::RefList { fields, .. } => fields,
1647        }
1648    }
1649}
1650
1651impl Serialize for StructValueRef<'_> {
1652    fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
1653        match self {
1654            StructValueRef::Indexed { vector, idx } => match vector.get(*idx) {
1655                Value::Struct(v) => v.serialize(serializer),
1656                _ => unreachable!(),
1657            },
1658            StructValueRef::Ref(val) => val.serialize(serializer),
1659            StructValueRef::RefList { val, .. } => val.serialize(serializer),
1660        }
1661    }
1662}
1663
1664impl PartialEq for StructValueRef<'_> {
1665    fn eq(&self, other: &Self) -> bool {
1666        self.to_value().eq(&other.to_value())
1667    }
1668}
1669
1670impl Eq for StructValueRef<'_> {}
1671
1672impl Ord for StructValueRef<'_> {
1673    fn cmp(&self, other: &Self) -> Ordering {
1674        // Respect the order of `Value` by converting into value before comparison.
1675        self.to_value().cmp(&other.to_value())
1676    }
1677}
1678
1679impl PartialOrd for StructValueRef<'_> {
1680    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1681        Some(self.cmp(other))
1682    }
1683}
1684
1685impl ValueRef<'_> {
1686    /// Returns the size of the underlying data in bytes,
1687    /// The size is estimated and only considers the data size.
1688    pub fn data_size(&self) -> usize {
1689        match self {
1690            // Since the `Null` type is also considered to occupy space, we have opted to use the
1691            // size of `i64` as an initial approximation.
1692            ValueRef::Null => 8,
1693            ValueRef::Boolean(_) => 1,
1694            ValueRef::UInt8(_) => 1,
1695            ValueRef::UInt16(_) => 2,
1696            ValueRef::UInt32(_) => 4,
1697            ValueRef::UInt64(_) => 8,
1698            ValueRef::Int8(_) => 1,
1699            ValueRef::Int16(_) => 2,
1700            ValueRef::Int32(_) => 4,
1701            ValueRef::Int64(_) => 8,
1702            ValueRef::Float32(_) => 4,
1703            ValueRef::Float64(_) => 8,
1704            ValueRef::String(v) => std::mem::size_of_val(*v),
1705            ValueRef::Binary(v) => std::mem::size_of_val(*v),
1706            ValueRef::Date(_) => 4,
1707            ValueRef::Timestamp(_) => 16,
1708            ValueRef::Time(_) => 16,
1709            ValueRef::Duration(_) => 16,
1710            ValueRef::IntervalYearMonth(_) => 4,
1711            ValueRef::IntervalDayTime(_) => 8,
1712            ValueRef::IntervalMonthDayNano(_) => 16,
1713            ValueRef::Decimal128(_) => 32,
1714            ValueRef::List(v) => match v {
1715                ListValueRef::Indexed { vector, .. } => vector.memory_size() / vector.len(),
1716                ListValueRef::Ref { val } => val.estimated_size(),
1717                ListValueRef::RefList { val, .. } => {
1718                    val.iter().map(|v| v.data_size()).sum::<usize>()
1719                        + std::mem::size_of::<Arc<ConcreteDataType>>()
1720                }
1721            },
1722            ValueRef::Struct(val) => match val {
1723                StructValueRef::Indexed { vector, .. } => vector.memory_size() / vector.len(),
1724                StructValueRef::Ref(val) => val.estimated_size(),
1725                StructValueRef::RefList { val, .. } => {
1726                    val.iter().map(|v| v.data_size()).sum::<usize>()
1727                        + std::mem::size_of::<StructType>()
1728                }
1729            },
1730            ValueRef::Json(v) => v.data_size(),
1731        }
1732    }
1733}
1734
1735#[cfg(test)]
1736pub(crate) mod tests {
1737    use arrow::datatypes::{DataType as ArrowDataType, Field};
1738    use common_time::timezone::set_default_timezone;
1739    use num_traits::Float;
1740
1741    use super::*;
1742    use crate::json::value::{JsonVariant, JsonVariantRef};
1743    use crate::types::StructField;
1744    use crate::types::json_type::{JsonNativeType, JsonObjectType};
1745    use crate::vectors::ListVectorBuilder;
1746
1747    #[test]
1748    fn test_try_negative_overflow() {
1749        // Negating a MIN value overflows, so try_negative returns None instead
1750        // of panicking (consistent with the unsigned arms).
1751        assert_eq!(Value::Int8(i8::MIN).try_negative(), None);
1752        assert_eq!(Value::Int16(i16::MIN).try_negative(), None);
1753        assert_eq!(Value::Int32(i32::MIN).try_negative(), None);
1754        assert_eq!(Value::Int64(i64::MIN).try_negative(), None);
1755        assert_eq!(
1756            Value::Timestamp(Timestamp::new_nanosecond(i64::MIN)).try_negative(),
1757            None
1758        );
1759        assert_eq!(Value::Date(Date::new(i32::MIN)).try_negative(), None);
1760        assert_eq!(
1761            Value::Time(Time::new_nanosecond(i64::MIN)).try_negative(),
1762            None
1763        );
1764        assert_eq!(
1765            Value::Duration(Duration::new_nanosecond(i64::MIN)).try_negative(),
1766            None
1767        );
1768        assert_eq!(
1769            Value::IntervalYearMonth(IntervalYearMonth::new(i32::MIN)).try_negative(),
1770            None
1771        );
1772        assert_eq!(
1773            Value::IntervalDayTime(IntervalDayTime::new(i32::MIN, i32::MIN)).try_negative(),
1774            None
1775        );
1776        assert_eq!(
1777            Value::IntervalMonthDayNano(IntervalMonthDayNano::new(i32::MIN, i32::MIN, i64::MIN))
1778                .try_negative(),
1779            None
1780        );
1781
1782        // Non-MIN values still negate.
1783        assert_eq!(Value::Int64(5).try_negative(), Some(Value::Int64(-5)));
1784        assert_eq!(
1785            Value::Timestamp(Timestamp::new_nanosecond(5)).try_negative(),
1786            Some(Value::Timestamp(Timestamp::new_nanosecond(-5)))
1787        );
1788    }
1789
1790    pub(crate) fn build_struct_type() -> StructType {
1791        StructType::new(Arc::new(vec![
1792            StructField::new("id".to_string(), ConcreteDataType::int32_datatype(), false),
1793            StructField::new(
1794                "name".to_string(),
1795                ConcreteDataType::string_datatype(),
1796                true,
1797            ),
1798            StructField::new("age".to_string(), ConcreteDataType::uint8_datatype(), true),
1799            StructField::new(
1800                "address".to_string(),
1801                ConcreteDataType::string_datatype(),
1802                true,
1803            ),
1804            StructField::new(
1805                "awards".to_string(),
1806                ConcreteDataType::list_datatype(Arc::new(ConcreteDataType::boolean_datatype())),
1807                true,
1808            ),
1809        ]))
1810    }
1811
1812    pub(crate) fn build_struct_value() -> StructValue {
1813        let struct_type = build_struct_type();
1814
1815        let struct_items = vec![
1816            Value::Int32(1),
1817            Value::String("tom".into()),
1818            Value::UInt8(25),
1819            Value::String("94038".into()),
1820            Value::List(build_list_value()),
1821        ];
1822        StructValue::try_new(struct_items, struct_type).unwrap()
1823    }
1824
1825    pub(crate) fn build_scalar_struct_value() -> ScalarValue {
1826        let struct_type = build_struct_type();
1827        let arrays = vec![
1828            ScalarValue::Int32(Some(1)).to_array().unwrap(),
1829            ScalarValue::Utf8(Some("tom".into())).to_array().unwrap(),
1830            ScalarValue::UInt8(Some(25)).to_array().unwrap(),
1831            ScalarValue::Utf8(Some("94038".into())).to_array().unwrap(),
1832            build_scalar_list_value().to_array().unwrap(),
1833        ];
1834        let struct_arrow_array = StructArray::new(struct_type.as_arrow_fields(), arrays, None);
1835        ScalarValue::Struct(Arc::new(struct_arrow_array))
1836    }
1837
1838    pub(crate) fn build_list_value() -> ListValue {
1839        let items = vec![Value::Boolean(true), Value::Boolean(false)];
1840        ListValue::new(items, Arc::new(ConcreteDataType::boolean_datatype()))
1841    }
1842
1843    pub(crate) fn build_scalar_list_value() -> ScalarValue {
1844        let items = vec![
1845            ScalarValue::Boolean(Some(true)),
1846            ScalarValue::Boolean(Some(false)),
1847        ];
1848        ScalarValue::List(ScalarValue::new_list(&items, &ArrowDataType::Boolean, true))
1849    }
1850
1851    #[test]
1852    fn test_try_from_scalar_value() {
1853        assert_eq!(
1854            Value::Boolean(true),
1855            ScalarValue::Boolean(Some(true)).try_into().unwrap()
1856        );
1857        assert_eq!(
1858            Value::Boolean(false),
1859            ScalarValue::Boolean(Some(false)).try_into().unwrap()
1860        );
1861        assert_eq!(Value::Null, ScalarValue::Boolean(None).try_into().unwrap());
1862
1863        assert_eq!(
1864            Value::Float32(1.0f32.into()),
1865            ScalarValue::Float32(Some(1.0f32)).try_into().unwrap()
1866        );
1867        assert_eq!(Value::Null, ScalarValue::Float32(None).try_into().unwrap());
1868
1869        assert_eq!(
1870            Value::Float64(2.0f64.into()),
1871            ScalarValue::Float64(Some(2.0f64)).try_into().unwrap()
1872        );
1873        assert_eq!(Value::Null, ScalarValue::Float64(None).try_into().unwrap());
1874
1875        assert_eq!(
1876            Value::Int8(i8::MAX),
1877            ScalarValue::Int8(Some(i8::MAX)).try_into().unwrap()
1878        );
1879        assert_eq!(Value::Null, ScalarValue::Int8(None).try_into().unwrap());
1880
1881        assert_eq!(
1882            Value::Int16(i16::MAX),
1883            ScalarValue::Int16(Some(i16::MAX)).try_into().unwrap()
1884        );
1885        assert_eq!(Value::Null, ScalarValue::Int16(None).try_into().unwrap());
1886
1887        assert_eq!(
1888            Value::Int32(i32::MAX),
1889            ScalarValue::Int32(Some(i32::MAX)).try_into().unwrap()
1890        );
1891        assert_eq!(Value::Null, ScalarValue::Int32(None).try_into().unwrap());
1892
1893        assert_eq!(
1894            Value::Int64(i64::MAX),
1895            ScalarValue::Int64(Some(i64::MAX)).try_into().unwrap()
1896        );
1897        assert_eq!(Value::Null, ScalarValue::Int64(None).try_into().unwrap());
1898
1899        assert_eq!(
1900            Value::UInt8(u8::MAX),
1901            ScalarValue::UInt8(Some(u8::MAX)).try_into().unwrap()
1902        );
1903        assert_eq!(Value::Null, ScalarValue::UInt8(None).try_into().unwrap());
1904
1905        assert_eq!(
1906            Value::UInt16(u16::MAX),
1907            ScalarValue::UInt16(Some(u16::MAX)).try_into().unwrap()
1908        );
1909        assert_eq!(Value::Null, ScalarValue::UInt16(None).try_into().unwrap());
1910
1911        assert_eq!(
1912            Value::UInt32(u32::MAX),
1913            ScalarValue::UInt32(Some(u32::MAX)).try_into().unwrap()
1914        );
1915        assert_eq!(Value::Null, ScalarValue::UInt32(None).try_into().unwrap());
1916
1917        assert_eq!(
1918            Value::UInt64(u64::MAX),
1919            ScalarValue::UInt64(Some(u64::MAX)).try_into().unwrap()
1920        );
1921        assert_eq!(Value::Null, ScalarValue::UInt64(None).try_into().unwrap());
1922
1923        assert_eq!(
1924            Value::from("hello"),
1925            ScalarValue::Utf8(Some("hello".to_string()))
1926                .try_into()
1927                .unwrap()
1928        );
1929        assert_eq!(Value::Null, ScalarValue::Utf8(None).try_into().unwrap());
1930
1931        assert_eq!(
1932            Value::from("dictionary"),
1933            ScalarValue::Dictionary(
1934                Box::new(ArrowDataType::UInt32),
1935                Box::new(ScalarValue::Utf8(Some("dictionary".to_string()))),
1936            )
1937            .try_into()
1938            .unwrap()
1939        );
1940
1941        assert_eq!(
1942            Value::from("large_hello"),
1943            ScalarValue::LargeUtf8(Some("large_hello".to_string()))
1944                .try_into()
1945                .unwrap()
1946        );
1947        assert_eq!(
1948            Value::Null,
1949            ScalarValue::LargeUtf8(None).try_into().unwrap()
1950        );
1951
1952        assert_eq!(
1953            Value::from("world".as_bytes()),
1954            ScalarValue::Binary(Some("world".as_bytes().to_vec()))
1955                .try_into()
1956                .unwrap()
1957        );
1958        assert_eq!(Value::Null, ScalarValue::Binary(None).try_into().unwrap());
1959
1960        assert_eq!(
1961            Value::from("large_world".as_bytes()),
1962            ScalarValue::LargeBinary(Some("large_world".as_bytes().to_vec()))
1963                .try_into()
1964                .unwrap()
1965        );
1966        assert_eq!(
1967            Value::Null,
1968            ScalarValue::LargeBinary(None).try_into().unwrap()
1969        );
1970
1971        assert_eq!(
1972            Value::List(build_list_value()),
1973            build_scalar_list_value().try_into().unwrap()
1974        );
1975        assert_eq!(
1976            Value::List(ListValue::new(
1977                vec![],
1978                Arc::new(ConcreteDataType::uint32_datatype())
1979            )),
1980            ScalarValue::List(ScalarValue::new_list(&[], &ArrowDataType::UInt32, true))
1981                .try_into()
1982                .unwrap()
1983        );
1984
1985        assert_eq!(
1986            Value::Date(Date::new(123)),
1987            ScalarValue::Date32(Some(123)).try_into().unwrap()
1988        );
1989        assert_eq!(Value::Null, ScalarValue::Date32(None).try_into().unwrap());
1990
1991        assert_eq!(
1992            Value::Timestamp(Timestamp::new(1, TimeUnit::Second)),
1993            ScalarValue::TimestampSecond(Some(1), None)
1994                .try_into()
1995                .unwrap()
1996        );
1997        assert_eq!(
1998            Value::Null,
1999            ScalarValue::TimestampSecond(None, None).try_into().unwrap()
2000        );
2001
2002        assert_eq!(
2003            Value::Timestamp(Timestamp::new(1, TimeUnit::Millisecond)),
2004            ScalarValue::TimestampMillisecond(Some(1), None)
2005                .try_into()
2006                .unwrap()
2007        );
2008        assert_eq!(
2009            Value::Null,
2010            ScalarValue::TimestampMillisecond(None, None)
2011                .try_into()
2012                .unwrap()
2013        );
2014
2015        assert_eq!(
2016            Value::Timestamp(Timestamp::new(1, TimeUnit::Microsecond)),
2017            ScalarValue::TimestampMicrosecond(Some(1), None)
2018                .try_into()
2019                .unwrap()
2020        );
2021        assert_eq!(
2022            Value::Null,
2023            ScalarValue::TimestampMicrosecond(None, None)
2024                .try_into()
2025                .unwrap()
2026        );
2027
2028        assert_eq!(
2029            Value::Timestamp(Timestamp::new(1, TimeUnit::Nanosecond)),
2030            ScalarValue::TimestampNanosecond(Some(1), None)
2031                .try_into()
2032                .unwrap()
2033        );
2034        assert_eq!(
2035            Value::Null,
2036            ScalarValue::TimestampNanosecond(None, None)
2037                .try_into()
2038                .unwrap()
2039        );
2040        assert_eq!(
2041            Value::Null,
2042            ScalarValue::IntervalMonthDayNano(None).try_into().unwrap()
2043        );
2044        assert_eq!(
2045            Value::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 1, 1)),
2046            ScalarValue::IntervalMonthDayNano(Some(IntervalMonthDayNano::new(1, 1, 1).into()))
2047                .try_into()
2048                .unwrap()
2049        );
2050
2051        assert_eq!(
2052            Value::Time(Time::new(1, TimeUnit::Second)),
2053            ScalarValue::Time32Second(Some(1)).try_into().unwrap()
2054        );
2055        assert_eq!(
2056            Value::Null,
2057            ScalarValue::Time32Second(None).try_into().unwrap()
2058        );
2059
2060        assert_eq!(
2061            Value::Time(Time::new(1, TimeUnit::Millisecond)),
2062            ScalarValue::Time32Millisecond(Some(1)).try_into().unwrap()
2063        );
2064        assert_eq!(
2065            Value::Null,
2066            ScalarValue::Time32Millisecond(None).try_into().unwrap()
2067        );
2068
2069        assert_eq!(
2070            Value::Time(Time::new(1, TimeUnit::Microsecond)),
2071            ScalarValue::Time64Microsecond(Some(1)).try_into().unwrap()
2072        );
2073        assert_eq!(
2074            Value::Null,
2075            ScalarValue::Time64Microsecond(None).try_into().unwrap()
2076        );
2077
2078        assert_eq!(
2079            Value::Time(Time::new(1, TimeUnit::Nanosecond)),
2080            ScalarValue::Time64Nanosecond(Some(1)).try_into().unwrap()
2081        );
2082        assert_eq!(
2083            Value::Null,
2084            ScalarValue::Time64Nanosecond(None).try_into().unwrap()
2085        );
2086
2087        assert_eq!(
2088            Value::Duration(Duration::new_second(1)),
2089            ScalarValue::DurationSecond(Some(1)).try_into().unwrap()
2090        );
2091        assert_eq!(
2092            Value::Null,
2093            ScalarValue::DurationSecond(None).try_into().unwrap()
2094        );
2095
2096        assert_eq!(
2097            Value::Duration(Duration::new_millisecond(1)),
2098            ScalarValue::DurationMillisecond(Some(1))
2099                .try_into()
2100                .unwrap()
2101        );
2102        assert_eq!(
2103            Value::Null,
2104            ScalarValue::DurationMillisecond(None).try_into().unwrap()
2105        );
2106
2107        assert_eq!(
2108            Value::Duration(Duration::new_microsecond(1)),
2109            ScalarValue::DurationMicrosecond(Some(1))
2110                .try_into()
2111                .unwrap()
2112        );
2113        assert_eq!(
2114            Value::Null,
2115            ScalarValue::DurationMicrosecond(None).try_into().unwrap()
2116        );
2117
2118        assert_eq!(
2119            Value::Duration(Duration::new_nanosecond(1)),
2120            ScalarValue::DurationNanosecond(Some(1)).try_into().unwrap()
2121        );
2122        assert_eq!(
2123            Value::Null,
2124            ScalarValue::DurationNanosecond(None).try_into().unwrap()
2125        );
2126
2127        assert_eq!(
2128            Value::Decimal128(Decimal128::new(1, 38, 10)),
2129            ScalarValue::Decimal128(Some(1), 38, 10).try_into().unwrap()
2130        );
2131        assert_eq!(
2132            Value::Null,
2133            ScalarValue::Decimal128(None, 0, 0).try_into().unwrap()
2134        );
2135
2136        let struct_value = build_struct_value();
2137        let scalar_struct_value = build_scalar_struct_value();
2138        assert_eq!(
2139            Value::Struct(struct_value),
2140            scalar_struct_value.try_into().unwrap()
2141        );
2142    }
2143
2144    #[test]
2145    fn test_value_from_inner() {
2146        assert_eq!(Value::Boolean(true), Value::from(true));
2147        assert_eq!(Value::Boolean(false), Value::from(false));
2148
2149        assert_eq!(Value::UInt8(u8::MIN), Value::from(u8::MIN));
2150        assert_eq!(Value::UInt8(u8::MAX), Value::from(u8::MAX));
2151
2152        assert_eq!(Value::UInt16(u16::MIN), Value::from(u16::MIN));
2153        assert_eq!(Value::UInt16(u16::MAX), Value::from(u16::MAX));
2154
2155        assert_eq!(Value::UInt32(u32::MIN), Value::from(u32::MIN));
2156        assert_eq!(Value::UInt32(u32::MAX), Value::from(u32::MAX));
2157
2158        assert_eq!(Value::UInt64(u64::MIN), Value::from(u64::MIN));
2159        assert_eq!(Value::UInt64(u64::MAX), Value::from(u64::MAX));
2160
2161        assert_eq!(Value::Int8(i8::MIN), Value::from(i8::MIN));
2162        assert_eq!(Value::Int8(i8::MAX), Value::from(i8::MAX));
2163
2164        assert_eq!(Value::Int16(i16::MIN), Value::from(i16::MIN));
2165        assert_eq!(Value::Int16(i16::MAX), Value::from(i16::MAX));
2166
2167        assert_eq!(Value::Int32(i32::MIN), Value::from(i32::MIN));
2168        assert_eq!(Value::Int32(i32::MAX), Value::from(i32::MAX));
2169
2170        assert_eq!(Value::Int64(i64::MIN), Value::from(i64::MIN));
2171        assert_eq!(Value::Int64(i64::MAX), Value::from(i64::MAX));
2172
2173        assert_eq!(
2174            Value::Float32(OrderedFloat(f32::MIN)),
2175            Value::from(f32::MIN)
2176        );
2177        assert_eq!(
2178            Value::Float32(OrderedFloat(f32::MAX)),
2179            Value::from(f32::MAX)
2180        );
2181
2182        assert_eq!(
2183            Value::Float64(OrderedFloat(f64::MIN)),
2184            Value::from(f64::MIN)
2185        );
2186        assert_eq!(
2187            Value::Float64(OrderedFloat(f64::MAX)),
2188            Value::from(f64::MAX)
2189        );
2190
2191        let string_bytes = StringBytes::from("hello");
2192        assert_eq!(
2193            Value::String(string_bytes.clone()),
2194            Value::from(string_bytes)
2195        );
2196
2197        let bytes = Bytes::from(b"world".as_slice());
2198        assert_eq!(Value::Binary(bytes.clone()), Value::from(bytes));
2199    }
2200
2201    fn check_type_and_value(data_type: &ConcreteDataType, value: &Value) {
2202        assert_eq!(*data_type, value.data_type());
2203        assert_eq!(data_type.logical_type_id(), value.logical_type_id());
2204    }
2205
2206    #[test]
2207    fn test_value_datatype() {
2208        check_type_and_value(&ConcreteDataType::boolean_datatype(), &Value::Boolean(true));
2209        check_type_and_value(&ConcreteDataType::uint8_datatype(), &Value::UInt8(u8::MIN));
2210        check_type_and_value(
2211            &ConcreteDataType::uint16_datatype(),
2212            &Value::UInt16(u16::MIN),
2213        );
2214        check_type_and_value(
2215            &ConcreteDataType::uint16_datatype(),
2216            &Value::UInt16(u16::MAX),
2217        );
2218        check_type_and_value(
2219            &ConcreteDataType::uint32_datatype(),
2220            &Value::UInt32(u32::MIN),
2221        );
2222        check_type_and_value(
2223            &ConcreteDataType::uint64_datatype(),
2224            &Value::UInt64(u64::MIN),
2225        );
2226        check_type_and_value(&ConcreteDataType::int8_datatype(), &Value::Int8(i8::MIN));
2227        check_type_and_value(&ConcreteDataType::int16_datatype(), &Value::Int16(i16::MIN));
2228        check_type_and_value(&ConcreteDataType::int32_datatype(), &Value::Int32(i32::MIN));
2229        check_type_and_value(&ConcreteDataType::int64_datatype(), &Value::Int64(i64::MIN));
2230        check_type_and_value(
2231            &ConcreteDataType::float32_datatype(),
2232            &Value::Float32(OrderedFloat(f32::MIN)),
2233        );
2234        check_type_and_value(
2235            &ConcreteDataType::float64_datatype(),
2236            &Value::Float64(OrderedFloat(f64::MIN)),
2237        );
2238        check_type_and_value(
2239            &ConcreteDataType::string_datatype(),
2240            &Value::String(StringBytes::from("hello")),
2241        );
2242        check_type_and_value(
2243            &ConcreteDataType::binary_datatype(),
2244            &Value::Binary(Bytes::from(b"world".as_slice())),
2245        );
2246        let item_type = Arc::new(ConcreteDataType::int32_datatype());
2247        check_type_and_value(
2248            &ConcreteDataType::list_datatype(item_type.clone()),
2249            &Value::List(ListValue::new(vec![Value::Int32(10)], item_type.clone())),
2250        );
2251        check_type_and_value(
2252            &ConcreteDataType::list_datatype(Arc::new(ConcreteDataType::null_datatype())),
2253            &Value::List(ListValue::default()),
2254        );
2255        check_type_and_value(
2256            &ConcreteDataType::date_datatype(),
2257            &Value::Date(Date::new(1)),
2258        );
2259        check_type_and_value(
2260            &ConcreteDataType::timestamp_millisecond_datatype(),
2261            &Value::Timestamp(Timestamp::new_millisecond(1)),
2262        );
2263        check_type_and_value(
2264            &ConcreteDataType::time_second_datatype(),
2265            &Value::Time(Time::new_second(1)),
2266        );
2267        check_type_and_value(
2268            &ConcreteDataType::time_millisecond_datatype(),
2269            &Value::Time(Time::new_millisecond(1)),
2270        );
2271        check_type_and_value(
2272            &ConcreteDataType::time_microsecond_datatype(),
2273            &Value::Time(Time::new_microsecond(1)),
2274        );
2275        check_type_and_value(
2276            &ConcreteDataType::time_nanosecond_datatype(),
2277            &Value::Time(Time::new_nanosecond(1)),
2278        );
2279        check_type_and_value(
2280            &ConcreteDataType::interval_year_month_datatype(),
2281            &Value::IntervalYearMonth(IntervalYearMonth::new(1)),
2282        );
2283        check_type_and_value(
2284            &ConcreteDataType::interval_day_time_datatype(),
2285            &Value::IntervalDayTime(IntervalDayTime::new(1, 2)),
2286        );
2287        check_type_and_value(
2288            &ConcreteDataType::interval_month_day_nano_datatype(),
2289            &Value::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 2, 3)),
2290        );
2291        check_type_and_value(
2292            &ConcreteDataType::duration_second_datatype(),
2293            &Value::Duration(Duration::new_second(1)),
2294        );
2295        check_type_and_value(
2296            &ConcreteDataType::duration_millisecond_datatype(),
2297            &Value::Duration(Duration::new_millisecond(1)),
2298        );
2299        check_type_and_value(
2300            &ConcreteDataType::duration_microsecond_datatype(),
2301            &Value::Duration(Duration::new_microsecond(1)),
2302        );
2303        check_type_and_value(
2304            &ConcreteDataType::duration_nanosecond_datatype(),
2305            &Value::Duration(Duration::new_nanosecond(1)),
2306        );
2307        check_type_and_value(
2308            &ConcreteDataType::decimal128_datatype(38, 10),
2309            &Value::Decimal128(Decimal128::new(1, 38, 10)),
2310        );
2311
2312        let item_type = Arc::new(ConcreteDataType::boolean_datatype());
2313        check_type_and_value(
2314            &ConcreteDataType::list_datatype(item_type.clone()),
2315            &Value::List(ListValue::new(
2316                vec![Value::Boolean(true)],
2317                item_type.clone(),
2318            )),
2319        );
2320
2321        check_type_and_value(
2322            &ConcreteDataType::struct_datatype(build_struct_type()),
2323            &Value::Struct(build_struct_value()),
2324        );
2325
2326        check_type_and_value(
2327            &ConcreteDataType::json2(JsonNativeType::Bool),
2328            &Value::Json(Box::new(true.into())),
2329        );
2330
2331        check_type_and_value(
2332            &ConcreteDataType::json2(JsonNativeType::Array(Box::new(JsonNativeType::Bool))),
2333            &Value::Json(Box::new([true].into())),
2334        );
2335
2336        check_type_and_value(
2337            &ConcreteDataType::json2(JsonNativeType::Object(JsonObjectType::from([
2338                ("address".to_string(), JsonNativeType::String),
2339                ("age".to_string(), JsonNativeType::u64()),
2340                (
2341                    "awards".to_string(),
2342                    JsonNativeType::Array(Box::new(JsonNativeType::Bool)),
2343                ),
2344                ("id".to_string(), JsonNativeType::i64()),
2345                ("name".to_string(), JsonNativeType::String),
2346            ]))),
2347            &Value::Json(Box::new(
2348                [
2349                    ("id", JsonVariant::from(1i64)),
2350                    ("name", "Alice".into()),
2351                    ("age", 1u64.into()),
2352                    ("address", "blah".into()),
2353                    ("awards", [true, false].into()),
2354                ]
2355                .into(),
2356            )),
2357        );
2358    }
2359
2360    #[test]
2361    fn test_value_from_string() {
2362        let hello = "hello".to_string();
2363        assert_eq!(
2364            Value::String(StringBytes::from(hello.clone())),
2365            Value::from(hello)
2366        );
2367
2368        let world = "world";
2369        assert_eq!(Value::String(StringBytes::from(world)), Value::from(world));
2370    }
2371
2372    #[test]
2373    fn test_value_from_bytes() {
2374        let hello = b"hello".to_vec();
2375        assert_eq!(
2376            Value::Binary(Bytes::from(hello.clone())),
2377            Value::from(hello)
2378        );
2379
2380        let world: &[u8] = b"world";
2381        assert_eq!(Value::Binary(Bytes::from(world)), Value::from(world));
2382    }
2383
2384    fn to_json(value: Value) -> serde_json::Value {
2385        value.try_into().unwrap()
2386    }
2387
2388    #[test]
2389    fn test_to_json_value() {
2390        assert_eq!(serde_json::Value::Null, to_json(Value::Null));
2391        assert_eq!(serde_json::Value::Bool(true), to_json(Value::Boolean(true)));
2392        assert_eq!(
2393            serde_json::Value::Number(20u8.into()),
2394            to_json(Value::UInt8(20))
2395        );
2396        assert_eq!(
2397            serde_json::Value::Number(20i8.into()),
2398            to_json(Value::Int8(20))
2399        );
2400        assert_eq!(
2401            serde_json::Value::Number(2000u16.into()),
2402            to_json(Value::UInt16(2000))
2403        );
2404        assert_eq!(
2405            serde_json::Value::Number(2000i16.into()),
2406            to_json(Value::Int16(2000))
2407        );
2408        assert_eq!(
2409            serde_json::Value::Number(3000u32.into()),
2410            to_json(Value::UInt32(3000))
2411        );
2412        assert_eq!(
2413            serde_json::Value::Number(3000i32.into()),
2414            to_json(Value::Int32(3000))
2415        );
2416        assert_eq!(
2417            serde_json::Value::Number(4000u64.into()),
2418            to_json(Value::UInt64(4000))
2419        );
2420        assert_eq!(
2421            serde_json::Value::Number(4000i64.into()),
2422            to_json(Value::Int64(4000))
2423        );
2424        assert_eq!(
2425            serde_json::Value::from(125.0f32),
2426            to_json(Value::Float32(125.0.into()))
2427        );
2428        assert_eq!(
2429            serde_json::Value::from(125.0f64),
2430            to_json(Value::Float64(125.0.into()))
2431        );
2432        assert_eq!(
2433            serde_json::Value::String(String::from("hello")),
2434            to_json(Value::String(StringBytes::from("hello")))
2435        );
2436        assert_eq!(
2437            serde_json::Value::from(b"world".as_slice()),
2438            to_json(Value::Binary(Bytes::from(b"world".as_slice())))
2439        );
2440        assert_eq!(
2441            serde_json::Value::Number(5000i32.into()),
2442            to_json(Value::Date(Date::new(5000)))
2443        );
2444        assert_eq!(
2445            serde_json::Value::Number(1.into()),
2446            to_json(Value::Timestamp(Timestamp::new_millisecond(1)))
2447        );
2448        assert_eq!(
2449            serde_json::Value::Number(1.into()),
2450            to_json(Value::Time(Time::new_millisecond(1)))
2451        );
2452        assert_eq!(
2453            serde_json::Value::Number(1.into()),
2454            to_json(Value::Duration(Duration::new_millisecond(1)))
2455        );
2456
2457        let json_value: serde_json::Value = serde_json::from_str(r#"[123]"#).unwrap();
2458        assert_eq!(
2459            json_value,
2460            to_json(Value::List(ListValue {
2461                items: vec![Value::Int32(123)],
2462                datatype: Arc::new(ConcreteDataType::int32_datatype()),
2463            }))
2464        );
2465
2466        let struct_value = StructValue::try_new(
2467            vec![
2468                Value::Int64(42),
2469                Value::String("tomcat".into()),
2470                Value::Boolean(true),
2471            ],
2472            StructType::new(Arc::new(vec![
2473                StructField::new("num".to_string(), ConcreteDataType::int64_datatype(), true),
2474                StructField::new(
2475                    "name".to_string(),
2476                    ConcreteDataType::string_datatype(),
2477                    true,
2478                ),
2479                StructField::new(
2480                    "yes_or_no".to_string(),
2481                    ConcreteDataType::boolean_datatype(),
2482                    true,
2483                ),
2484            ])),
2485        )
2486        .unwrap();
2487        assert_eq!(
2488            serde_json::Value::try_from(Value::Struct(struct_value.clone())).unwrap(),
2489            serde_json::json!({
2490                "num": 42,
2491                "name": "tomcat",
2492                "yes_or_no": true
2493            })
2494        );
2495
2496        // string wrapped in json
2497        assert_eq!(
2498            serde_json::Value::try_from(Value::Json(Box::new("hello".into()))).unwrap(),
2499            serde_json::json!("hello")
2500        );
2501
2502        // list wrapped in json
2503        assert_eq!(
2504            serde_json::Value::try_from(Value::Json(Box::new([1i64, 2, 3,].into()))).unwrap(),
2505            serde_json::json!([1, 2, 3])
2506        );
2507
2508        // struct wrapped in json
2509        assert_eq!(
2510            serde_json::Value::try_from(Value::Json(Box::new(
2511                [
2512                    ("num".to_string(), JsonVariant::from(42i64)),
2513                    ("name".to_string(), "tomcat".into()),
2514                    ("yes_or_no".to_string(), true.into()),
2515                ]
2516                .into()
2517            )))
2518            .unwrap(),
2519            serde_json::json!({
2520                "num": 42,
2521                "name": "tomcat",
2522                "yes_or_no": true
2523            })
2524        );
2525    }
2526
2527    #[test]
2528    fn test_null_value() {
2529        assert!(Value::Null.is_null());
2530        assert!(Value::Json(Box::new(JsonValue::null())).is_null());
2531        assert!(!Value::Boolean(true).is_null());
2532        assert!(Value::Null < Value::Boolean(false));
2533        assert!(Value::Boolean(true) > Value::Null);
2534        assert!(Value::Null < Value::Int32(10));
2535        assert!(Value::Int32(10) > Value::Null);
2536    }
2537
2538    #[test]
2539    fn test_null_value_ref() {
2540        assert!(ValueRef::Null.is_null());
2541        assert!(!ValueRef::Boolean(true).is_null());
2542        assert!(ValueRef::Null < ValueRef::Boolean(false));
2543        assert!(ValueRef::Boolean(true) > ValueRef::Null);
2544        assert!(ValueRef::Null < ValueRef::Int32(10));
2545        assert!(ValueRef::Int32(10) > ValueRef::Null);
2546    }
2547
2548    #[test]
2549    fn test_as_value_ref() {
2550        macro_rules! check_as_value_ref {
2551            ($Variant: ident, $data: expr) => {
2552                let value = Value::$Variant($data);
2553                let value_ref = value.as_value_ref();
2554                let expect_ref = ValueRef::$Variant($data);
2555
2556                assert_eq!(expect_ref, value_ref);
2557            };
2558        }
2559
2560        assert_eq!(ValueRef::Null, Value::Null.as_value_ref());
2561        check_as_value_ref!(Boolean, true);
2562        check_as_value_ref!(UInt8, 123);
2563        check_as_value_ref!(UInt16, 123);
2564        check_as_value_ref!(UInt32, 123);
2565        check_as_value_ref!(UInt64, 123);
2566        check_as_value_ref!(Int8, -12);
2567        check_as_value_ref!(Int16, -12);
2568        check_as_value_ref!(Int32, -12);
2569        check_as_value_ref!(Int64, -12);
2570        check_as_value_ref!(Float32, OrderedF32::from(16.0));
2571        check_as_value_ref!(Float64, OrderedF64::from(16.0));
2572        check_as_value_ref!(Timestamp, Timestamp::new_millisecond(1));
2573        check_as_value_ref!(Time, Time::new_millisecond(1));
2574        check_as_value_ref!(IntervalYearMonth, IntervalYearMonth::new(1));
2575        check_as_value_ref!(IntervalDayTime, IntervalDayTime::new(1, 2));
2576        check_as_value_ref!(IntervalMonthDayNano, IntervalMonthDayNano::new(1, 2, 3));
2577        check_as_value_ref!(Duration, Duration::new_millisecond(1));
2578
2579        assert_eq!(
2580            ValueRef::String("hello"),
2581            Value::String("hello".into()).as_value_ref()
2582        );
2583        assert_eq!(
2584            ValueRef::Binary(b"hello"),
2585            Value::Binary("hello".as_bytes().into()).as_value_ref()
2586        );
2587
2588        check_as_value_ref!(Date, Date::new(103));
2589
2590        let list = build_list_value();
2591        assert_eq!(
2592            ValueRef::List(ListValueRef::Ref { val: &list }),
2593            Value::List(list.clone()).as_value_ref()
2594        );
2595
2596        let jsonb_value = jsonb::parse_value(r#"{"key": "value"}"#.as_bytes())
2597            .unwrap()
2598            .to_vec();
2599        assert_eq!(
2600            ValueRef::Binary(jsonb_value.clone().as_slice()),
2601            Value::Binary(jsonb_value.into()).as_value_ref()
2602        );
2603
2604        let struct_value = build_struct_value();
2605        assert_eq!(
2606            ValueRef::Struct(StructValueRef::Ref(&struct_value)),
2607            Value::Struct(struct_value.clone()).as_value_ref()
2608        );
2609    }
2610
2611    #[test]
2612    fn test_value_ref_as() {
2613        macro_rules! check_as_null {
2614            ($method: ident) => {
2615                assert_eq!(None, ValueRef::Null.$method().unwrap());
2616            };
2617        }
2618
2619        check_as_null!(try_into_binary);
2620        check_as_null!(try_into_string);
2621        check_as_null!(try_into_boolean);
2622        check_as_null!(try_into_list);
2623        check_as_null!(try_into_struct);
2624
2625        macro_rules! check_as_correct {
2626            ($data: expr, $Variant: ident, $method: ident) => {
2627                assert_eq!(Some($data), ValueRef::$Variant($data).$method().unwrap());
2628            };
2629        }
2630
2631        check_as_correct!("hello", String, try_into_string);
2632        check_as_correct!("hello".as_bytes(), Binary, try_into_binary);
2633        check_as_correct!(true, Boolean, try_into_boolean);
2634        check_as_correct!(Date::new(123), Date, try_into_date);
2635        check_as_correct!(Time::new_second(12), Time, try_into_time);
2636        check_as_correct!(Duration::new_second(12), Duration, try_into_duration);
2637
2638        let list = build_list_value();
2639        check_as_correct!(ListValueRef::Ref { val: &list }, List, try_into_list);
2640
2641        let struct_value = build_struct_value();
2642        check_as_correct!(StructValueRef::Ref(&struct_value), Struct, try_into_struct);
2643
2644        let wrong_value = ValueRef::Int32(12345);
2645        assert!(wrong_value.try_into_binary().is_err());
2646        assert!(wrong_value.try_into_string().is_err());
2647        assert!(wrong_value.try_into_boolean().is_err());
2648        assert!(wrong_value.try_into_list().is_err());
2649        assert!(wrong_value.try_into_struct().is_err());
2650        assert!(wrong_value.try_into_date().is_err());
2651        assert!(wrong_value.try_into_time().is_err());
2652        assert!(wrong_value.try_into_timestamp().is_err());
2653        assert!(wrong_value.try_into_duration().is_err());
2654    }
2655
2656    #[test]
2657    fn test_display() {
2658        set_default_timezone(Some("Asia/Shanghai")).unwrap();
2659        assert_eq!(Value::Null.to_string(), "Null");
2660        assert_eq!(Value::UInt8(8).to_string(), "8");
2661        assert_eq!(Value::UInt16(16).to_string(), "16");
2662        assert_eq!(Value::UInt32(32).to_string(), "32");
2663        assert_eq!(Value::UInt64(64).to_string(), "64");
2664        assert_eq!(Value::Int8(-8).to_string(), "-8");
2665        assert_eq!(Value::Int16(-16).to_string(), "-16");
2666        assert_eq!(Value::Int32(-32).to_string(), "-32");
2667        assert_eq!(Value::Int64(-64).to_string(), "-64");
2668        assert_eq!(Value::Float32((-32.123).into()).to_string(), "-32.123");
2669        assert_eq!(Value::Float64((-64.123).into()).to_string(), "-64.123");
2670        assert_eq!(Value::Float64(OrderedF64::infinity()).to_string(), "inf");
2671        assert_eq!(Value::Float64(OrderedF64::nan()).to_string(), "NaN");
2672        assert_eq!(Value::String(StringBytes::from("123")).to_string(), "123");
2673        assert_eq!(
2674            Value::Binary(Bytes::from(vec![1, 2, 3])).to_string(),
2675            "010203"
2676        );
2677        assert_eq!(Value::Date(Date::new(0)).to_string(), "1970-01-01");
2678        assert_eq!(
2679            Value::Timestamp(Timestamp::new(1000, TimeUnit::Millisecond)).to_string(),
2680            "1970-01-01 08:00:01+0800"
2681        );
2682        assert_eq!(
2683            Value::Time(Time::new(1000, TimeUnit::Millisecond)).to_string(),
2684            "08:00:01+0800"
2685        );
2686        assert_eq!(
2687            Value::Duration(Duration::new_millisecond(1000)).to_string(),
2688            "1000ms"
2689        );
2690        assert_eq!(
2691            Value::List(build_list_value()).to_string(),
2692            "Boolean[true, false]"
2693        );
2694        assert_eq!(
2695            Value::List(ListValue::new(
2696                vec![],
2697                Arc::new(ConcreteDataType::timestamp_second_datatype()),
2698            ))
2699            .to_string(),
2700            "TimestampSecond[]"
2701        );
2702        assert_eq!(
2703            Value::List(ListValue::new(
2704                vec![],
2705                Arc::new(ConcreteDataType::timestamp_millisecond_datatype()),
2706            ))
2707            .to_string(),
2708            "TimestampMillisecond[]"
2709        );
2710        assert_eq!(
2711            Value::List(ListValue::new(
2712                vec![],
2713                Arc::new(ConcreteDataType::timestamp_microsecond_datatype()),
2714            ))
2715            .to_string(),
2716            "TimestampMicrosecond[]"
2717        );
2718        assert_eq!(
2719            Value::List(ListValue::new(
2720                vec![],
2721                Arc::new(ConcreteDataType::timestamp_nanosecond_datatype()),
2722            ))
2723            .to_string(),
2724            "TimestampNanosecond[]"
2725        );
2726
2727        assert_eq!(
2728            Value::Struct(build_struct_value()).to_string(),
2729            "{ id: 1, name: tom, age: 25, address: 94038, awards: Boolean[true, false] }"
2730        );
2731
2732        assert_eq!(
2733            Value::Json(Box::new(
2734                [
2735                    ("id", JsonVariant::from(1i64)),
2736                    ("name", "tom".into()),
2737                    ("age", 25u64.into()),
2738                    ("address", "94038".into()),
2739                    ("awards", [true, false].into()),
2740                ]
2741                .into()
2742            ))
2743            .to_string(),
2744            "Json({ address: 94038, age: 25, awards: [true, false], id: 1, name: tom })"
2745        )
2746    }
2747
2748    #[test]
2749    fn test_not_null_value_to_scalar_value() {
2750        assert_eq!(
2751            ScalarValue::Boolean(Some(true)),
2752            Value::Boolean(true)
2753                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2754                .unwrap()
2755        );
2756        assert_eq!(
2757            ScalarValue::Boolean(Some(false)),
2758            Value::Boolean(false)
2759                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2760                .unwrap()
2761        );
2762        assert_eq!(
2763            ScalarValue::UInt8(Some(1)),
2764            Value::UInt8(1)
2765                .try_to_scalar_value(&ConcreteDataType::uint8_datatype())
2766                .unwrap()
2767        );
2768        assert_eq!(
2769            ScalarValue::UInt16(Some(2)),
2770            Value::UInt16(2)
2771                .try_to_scalar_value(&ConcreteDataType::uint16_datatype())
2772                .unwrap()
2773        );
2774        assert_eq!(
2775            ScalarValue::UInt32(Some(3)),
2776            Value::UInt32(3)
2777                .try_to_scalar_value(&ConcreteDataType::uint32_datatype())
2778                .unwrap()
2779        );
2780        assert_eq!(
2781            ScalarValue::UInt64(Some(4)),
2782            Value::UInt64(4)
2783                .try_to_scalar_value(&ConcreteDataType::uint64_datatype())
2784                .unwrap()
2785        );
2786        assert_eq!(
2787            ScalarValue::Int8(Some(i8::MIN + 4)),
2788            Value::Int8(i8::MIN + 4)
2789                .try_to_scalar_value(&ConcreteDataType::int8_datatype())
2790                .unwrap()
2791        );
2792        assert_eq!(
2793            ScalarValue::Int16(Some(i16::MIN + 5)),
2794            Value::Int16(i16::MIN + 5)
2795                .try_to_scalar_value(&ConcreteDataType::int16_datatype())
2796                .unwrap()
2797        );
2798        assert_eq!(
2799            ScalarValue::Int32(Some(i32::MIN + 6)),
2800            Value::Int32(i32::MIN + 6)
2801                .try_to_scalar_value(&ConcreteDataType::int32_datatype())
2802                .unwrap()
2803        );
2804        assert_eq!(
2805            ScalarValue::Int64(Some(i64::MIN + 7)),
2806            Value::Int64(i64::MIN + 7)
2807                .try_to_scalar_value(&ConcreteDataType::int64_datatype())
2808                .unwrap()
2809        );
2810        assert_eq!(
2811            ScalarValue::Float32(Some(8.0f32)),
2812            Value::Float32(OrderedFloat(8.0f32))
2813                .try_to_scalar_value(&ConcreteDataType::float32_datatype())
2814                .unwrap()
2815        );
2816        assert_eq!(
2817            ScalarValue::Float64(Some(9.0f64)),
2818            Value::Float64(OrderedFloat(9.0f64))
2819                .try_to_scalar_value(&ConcreteDataType::float64_datatype())
2820                .unwrap()
2821        );
2822        assert_eq!(
2823            ScalarValue::Utf8(Some("hello".to_string())),
2824            Value::String(StringBytes::from("hello"))
2825                .try_to_scalar_value(&ConcreteDataType::string_datatype(),)
2826                .unwrap()
2827        );
2828        assert_eq!(
2829            ScalarValue::Binary(Some("world".as_bytes().to_vec())),
2830            Value::Binary(Bytes::from("world".as_bytes()))
2831                .try_to_scalar_value(&ConcreteDataType::binary_datatype())
2832                .unwrap()
2833        );
2834
2835        let jsonb_value = jsonb::parse_value(r#"{"key": "value"}"#.as_bytes())
2836            .unwrap()
2837            .to_vec();
2838        assert_eq!(
2839            ScalarValue::Binary(Some(jsonb_value.clone())),
2840            Value::Binary(jsonb_value.into())
2841                .try_to_scalar_value(&ConcreteDataType::json_datatype())
2842                .unwrap()
2843        );
2844
2845        assert_eq!(
2846            build_scalar_struct_value(),
2847            Value::Struct(build_struct_value())
2848                .try_to_scalar_value(&ConcreteDataType::struct_datatype(build_struct_type()))
2849                .unwrap()
2850        );
2851
2852        assert_eq!(
2853            build_scalar_list_value(),
2854            Value::List(build_list_value())
2855                .try_to_scalar_value(&ConcreteDataType::list_datatype(Arc::new(
2856                    ConcreteDataType::boolean_datatype()
2857                )))
2858                .unwrap()
2859        );
2860    }
2861
2862    #[test]
2863    fn test_null_value_to_scalar_value() {
2864        assert_eq!(
2865            ScalarValue::Boolean(None),
2866            Value::Null
2867                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2868                .unwrap()
2869        );
2870        assert_eq!(
2871            ScalarValue::UInt8(None),
2872            Value::Null
2873                .try_to_scalar_value(&ConcreteDataType::uint8_datatype())
2874                .unwrap()
2875        );
2876        assert_eq!(
2877            ScalarValue::UInt16(None),
2878            Value::Null
2879                .try_to_scalar_value(&ConcreteDataType::uint16_datatype())
2880                .unwrap()
2881        );
2882        assert_eq!(
2883            ScalarValue::UInt32(None),
2884            Value::Null
2885                .try_to_scalar_value(&ConcreteDataType::uint32_datatype())
2886                .unwrap()
2887        );
2888        assert_eq!(
2889            ScalarValue::UInt64(None),
2890            Value::Null
2891                .try_to_scalar_value(&ConcreteDataType::uint64_datatype())
2892                .unwrap()
2893        );
2894        assert_eq!(
2895            ScalarValue::Int8(None),
2896            Value::Null
2897                .try_to_scalar_value(&ConcreteDataType::int8_datatype())
2898                .unwrap()
2899        );
2900        assert_eq!(
2901            ScalarValue::Int16(None),
2902            Value::Null
2903                .try_to_scalar_value(&ConcreteDataType::int16_datatype())
2904                .unwrap()
2905        );
2906        assert_eq!(
2907            ScalarValue::Int32(None),
2908            Value::Null
2909                .try_to_scalar_value(&ConcreteDataType::int32_datatype())
2910                .unwrap()
2911        );
2912        assert_eq!(
2913            ScalarValue::Int64(None),
2914            Value::Null
2915                .try_to_scalar_value(&ConcreteDataType::int64_datatype())
2916                .unwrap()
2917        );
2918        assert_eq!(
2919            ScalarValue::Float32(None),
2920            Value::Null
2921                .try_to_scalar_value(&ConcreteDataType::float32_datatype())
2922                .unwrap()
2923        );
2924        assert_eq!(
2925            ScalarValue::Float64(None),
2926            Value::Null
2927                .try_to_scalar_value(&ConcreteDataType::float64_datatype())
2928                .unwrap()
2929        );
2930        assert_eq!(
2931            ScalarValue::Utf8(None),
2932            Value::Null
2933                .try_to_scalar_value(&ConcreteDataType::string_datatype())
2934                .unwrap()
2935        );
2936        assert_eq!(
2937            ScalarValue::Binary(None),
2938            Value::Null
2939                .try_to_scalar_value(&ConcreteDataType::binary_datatype())
2940                .unwrap()
2941        );
2942
2943        assert_eq!(
2944            ScalarValue::Time32Second(None),
2945            Value::Null
2946                .try_to_scalar_value(&ConcreteDataType::time_second_datatype())
2947                .unwrap()
2948        );
2949        assert_eq!(
2950            ScalarValue::Time32Millisecond(None),
2951            Value::Null
2952                .try_to_scalar_value(&ConcreteDataType::time_millisecond_datatype())
2953                .unwrap()
2954        );
2955        assert_eq!(
2956            ScalarValue::Time64Microsecond(None),
2957            Value::Null
2958                .try_to_scalar_value(&ConcreteDataType::time_microsecond_datatype())
2959                .unwrap()
2960        );
2961        assert_eq!(
2962            ScalarValue::Time64Nanosecond(None),
2963            Value::Null
2964                .try_to_scalar_value(&ConcreteDataType::time_nanosecond_datatype())
2965                .unwrap()
2966        );
2967
2968        assert_eq!(
2969            ScalarValue::DurationSecond(None),
2970            Value::Null
2971                .try_to_scalar_value(&ConcreteDataType::duration_second_datatype())
2972                .unwrap()
2973        );
2974        assert_eq!(
2975            ScalarValue::DurationMillisecond(None),
2976            Value::Null
2977                .try_to_scalar_value(&ConcreteDataType::duration_millisecond_datatype())
2978                .unwrap()
2979        );
2980        assert_eq!(
2981            ScalarValue::DurationMicrosecond(None),
2982            Value::Null
2983                .try_to_scalar_value(&ConcreteDataType::duration_microsecond_datatype())
2984                .unwrap()
2985        );
2986        assert_eq!(
2987            ScalarValue::DurationNanosecond(None),
2988            Value::Null
2989                .try_to_scalar_value(&ConcreteDataType::duration_nanosecond_datatype())
2990                .unwrap()
2991        );
2992        assert_eq!(
2993            ScalarValue::Binary(None),
2994            Value::Null
2995                .try_to_scalar_value(&ConcreteDataType::json_datatype())
2996                .unwrap()
2997        );
2998
2999        assert_eq!(
3000            ScalarValue::new_null_list(ArrowDataType::Boolean, true, 1),
3001            Value::Null
3002                .try_to_scalar_value(&ConcreteDataType::list_datatype(Arc::new(
3003                    ConcreteDataType::boolean_datatype()
3004                )))
3005                .unwrap()
3006        );
3007
3008        assert_eq!(
3009            ScalarStructBuilder::new_null(build_struct_type().as_arrow_fields()),
3010            Value::Null
3011                .try_to_scalar_value(&ConcreteDataType::struct_datatype(build_struct_type()))
3012                .unwrap()
3013        );
3014    }
3015
3016    #[test]
3017    fn test_list_value_to_scalar_value() {
3018        let items = vec![Value::Int32(-1), Value::Null];
3019        let item_type = Arc::new(ConcreteDataType::int32_datatype());
3020        let list = Value::List(ListValue::new(items, item_type.clone()));
3021        let df_list = list
3022            .try_to_scalar_value(&ConcreteDataType::list_datatype(item_type.clone()))
3023            .unwrap();
3024        assert!(matches!(df_list, ScalarValue::List(_)));
3025        match df_list {
3026            ScalarValue::List(vs) => {
3027                assert_eq!(
3028                    ArrowDataType::List(Arc::new(Field::new_list_field(
3029                        ArrowDataType::Int32,
3030                        true
3031                    ))),
3032                    *vs.data_type()
3033                );
3034
3035                let vs = ScalarValue::convert_array_to_scalar_vec(vs.as_ref())
3036                    .unwrap()
3037                    .into_iter()
3038                    .flatten()
3039                    .flatten()
3040                    .collect::<Vec<_>>();
3041                assert_eq!(
3042                    vs,
3043                    vec![ScalarValue::Int32(Some(-1)), ScalarValue::Int32(None)]
3044                );
3045            }
3046            _ => unreachable!(),
3047        }
3048    }
3049
3050    #[test]
3051    fn test_struct_value_to_scalar_value() {
3052        let struct_value = build_struct_value();
3053        let scalar_value = struct_value
3054            .try_to_scalar_value(&build_struct_type())
3055            .unwrap();
3056
3057        assert_eq!(scalar_value, build_scalar_struct_value());
3058
3059        assert!(matches!(scalar_value, ScalarValue::Struct(_)));
3060        match scalar_value {
3061            ScalarValue::Struct(values) => {
3062                assert_eq!(&build_struct_type().as_arrow_fields(), values.fields());
3063
3064                assert_eq!(
3065                    ScalarValue::try_from_array(values.column(0), 0).unwrap(),
3066                    ScalarValue::Int32(Some(1))
3067                );
3068                assert_eq!(
3069                    ScalarValue::try_from_array(values.column(1), 0).unwrap(),
3070                    ScalarValue::Utf8(Some("tom".into()))
3071                );
3072                assert_eq!(
3073                    ScalarValue::try_from_array(values.column(2), 0).unwrap(),
3074                    ScalarValue::UInt8(Some(25))
3075                );
3076                assert_eq!(
3077                    ScalarValue::try_from_array(values.column(3), 0).unwrap(),
3078                    ScalarValue::Utf8(Some("94038".into()))
3079                );
3080            }
3081            _ => panic!("Unexpected value type"),
3082        }
3083    }
3084
3085    #[test]
3086    fn test_timestamp_to_scalar_value() {
3087        assert_eq!(
3088            ScalarValue::TimestampSecond(Some(1), None),
3089            timestamp_to_scalar_value(TimeUnit::Second, Some(1))
3090        );
3091        assert_eq!(
3092            ScalarValue::TimestampMillisecond(Some(1), None),
3093            timestamp_to_scalar_value(TimeUnit::Millisecond, Some(1))
3094        );
3095        assert_eq!(
3096            ScalarValue::TimestampMicrosecond(Some(1), None),
3097            timestamp_to_scalar_value(TimeUnit::Microsecond, Some(1))
3098        );
3099        assert_eq!(
3100            ScalarValue::TimestampNanosecond(Some(1), None),
3101            timestamp_to_scalar_value(TimeUnit::Nanosecond, Some(1))
3102        );
3103    }
3104
3105    #[test]
3106    fn test_time_to_scalar_value() {
3107        assert_eq!(
3108            ScalarValue::Time32Second(Some(1)),
3109            time_to_scalar_value(TimeUnit::Second, Some(1)).unwrap()
3110        );
3111        assert_eq!(
3112            ScalarValue::Time32Millisecond(Some(1)),
3113            time_to_scalar_value(TimeUnit::Millisecond, Some(1)).unwrap()
3114        );
3115        assert_eq!(
3116            ScalarValue::Time64Microsecond(Some(1)),
3117            time_to_scalar_value(TimeUnit::Microsecond, Some(1)).unwrap()
3118        );
3119        assert_eq!(
3120            ScalarValue::Time64Nanosecond(Some(1)),
3121            time_to_scalar_value(TimeUnit::Nanosecond, Some(1)).unwrap()
3122        );
3123    }
3124
3125    #[test]
3126    fn test_duration_to_scalar_value() {
3127        assert_eq!(
3128            ScalarValue::DurationSecond(Some(1)),
3129            duration_to_scalar_value(TimeUnit::Second, Some(1))
3130        );
3131        assert_eq!(
3132            ScalarValue::DurationMillisecond(Some(1)),
3133            duration_to_scalar_value(TimeUnit::Millisecond, Some(1))
3134        );
3135        assert_eq!(
3136            ScalarValue::DurationMicrosecond(Some(1)),
3137            duration_to_scalar_value(TimeUnit::Microsecond, Some(1))
3138        );
3139        assert_eq!(
3140            ScalarValue::DurationNanosecond(Some(1)),
3141            duration_to_scalar_value(TimeUnit::Nanosecond, Some(1))
3142        );
3143    }
3144
3145    fn check_value_ref_size_eq(value_ref: &ValueRef, size: usize) {
3146        assert_eq!(value_ref.data_size(), size);
3147    }
3148
3149    #[test]
3150    fn test_value_ref_estimated_size() {
3151        check_value_ref_size_eq(&ValueRef::Null, 8);
3152        check_value_ref_size_eq(&ValueRef::Boolean(true), 1);
3153        check_value_ref_size_eq(&ValueRef::UInt8(1), 1);
3154        check_value_ref_size_eq(&ValueRef::UInt16(1), 2);
3155        check_value_ref_size_eq(&ValueRef::UInt32(1), 4);
3156        check_value_ref_size_eq(&ValueRef::UInt64(1), 8);
3157        check_value_ref_size_eq(&ValueRef::Int8(1), 1);
3158        check_value_ref_size_eq(&ValueRef::Int16(1), 2);
3159        check_value_ref_size_eq(&ValueRef::Int32(1), 4);
3160        check_value_ref_size_eq(&ValueRef::Int64(1), 8);
3161        check_value_ref_size_eq(&ValueRef::Float32(1.0.into()), 4);
3162        check_value_ref_size_eq(&ValueRef::Float64(1.0.into()), 8);
3163        check_value_ref_size_eq(&ValueRef::String("greptimedb"), 10);
3164        check_value_ref_size_eq(&ValueRef::Binary(b"greptimedb"), 10);
3165        check_value_ref_size_eq(&ValueRef::Date(Date::new(1)), 4);
3166        check_value_ref_size_eq(&ValueRef::Timestamp(Timestamp::new_millisecond(1)), 16);
3167        check_value_ref_size_eq(&ValueRef::Time(Time::new_millisecond(1)), 16);
3168        check_value_ref_size_eq(&ValueRef::IntervalYearMonth(IntervalYearMonth::new(1)), 4);
3169        check_value_ref_size_eq(&ValueRef::IntervalDayTime(IntervalDayTime::new(1, 2)), 8);
3170        check_value_ref_size_eq(
3171            &ValueRef::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 2, 3)),
3172            16,
3173        );
3174        check_value_ref_size_eq(&ValueRef::Duration(Duration::new_millisecond(1)), 16);
3175        check_value_ref_size_eq(
3176            &ValueRef::List(ListValueRef::Ref {
3177                val: &ListValue {
3178                    items: vec![
3179                        Value::String("hello world".into()),
3180                        Value::String("greptimedb".into()),
3181                    ],
3182                    datatype: Arc::new(ConcreteDataType::string_datatype()),
3183                },
3184            }),
3185            30,
3186        );
3187
3188        let data = vec![
3189            Some(vec![Some(1), Some(2), Some(3)]),
3190            None,
3191            Some(vec![Some(4), None, Some(6)]),
3192        ];
3193        let item_type = Arc::new(ConcreteDataType::int32_datatype());
3194        let mut builder = ListVectorBuilder::with_type_capacity(item_type.clone(), 8);
3195        for vec_opt in &data {
3196            if let Some(vec) = vec_opt {
3197                let values = vec.iter().map(|v| Value::from(*v)).collect();
3198                let list_value = ListValue::new(values, item_type.clone());
3199
3200                builder.push(Some(ListValueRef::Ref { val: &list_value }));
3201            } else {
3202                builder.push(None);
3203            }
3204        }
3205        let vector = builder.finish();
3206
3207        check_value_ref_size_eq(
3208            &ValueRef::List(ListValueRef::Indexed {
3209                vector: &vector,
3210                idx: 0,
3211            }),
3212            74,
3213        );
3214        check_value_ref_size_eq(
3215            &ValueRef::List(ListValueRef::Indexed {
3216                vector: &vector,
3217                idx: 1,
3218            }),
3219            74,
3220        );
3221        check_value_ref_size_eq(
3222            &ValueRef::List(ListValueRef::Indexed {
3223                vector: &vector,
3224                idx: 2,
3225            }),
3226            74,
3227        );
3228        check_value_ref_size_eq(&ValueRef::Decimal128(Decimal128::new(1234, 3, 1)), 32);
3229
3230        check_value_ref_size_eq(
3231            &ValueRef::Struct(StructValueRef::Ref(&build_struct_value())),
3232            31,
3233        );
3234
3235        check_value_ref_size_eq(
3236            &ValueRef::Json(Box::new(
3237                [
3238                    ("id", JsonVariantRef::from(1i64)),
3239                    ("name", "tom".into()),
3240                    ("age", 25u64.into()),
3241                    ("address", "94038".into()),
3242                    ("awards", [true, false].into()),
3243                ]
3244                .into(),
3245            )),
3246            48,
3247        );
3248    }
3249
3250    #[test]
3251    fn test_incorrect_default_value_issue_3479() {
3252        let value = OrderedF64::from(0.047318541668048164);
3253        let serialized = serde_json::to_string(&value).unwrap();
3254        let deserialized: OrderedF64 = serde_json::from_str(&serialized).unwrap();
3255        assert_eq!(value, deserialized);
3256    }
3257}
datatypes/value.rs

datatypes/
value.rs
