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) => Some(Value::Int8(-*x)),
547            Value::Int16(x) => Some(Value::Int16(-*x)),
548            Value::Int32(x) => Some(Value::Int32(-*x)),
549            Value::Int64(x) => Some(Value::Int64(-*x)),
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) => Some(Value::Date(x.negative())),
554            Value::Timestamp(x) => Some(Value::Timestamp(x.negative())),
555            Value::Time(x) => Some(Value::Time(x.negative())),
556            Value::Duration(x) => Some(Value::Duration(x.negative())),
557            Value::IntervalYearMonth(x) => Some(Value::IntervalYearMonth(x.negative())),
558            Value::IntervalDayTime(x) => Some(Value::IntervalDayTime(x.negative())),
559            Value::IntervalMonthDayNano(x) => Some(Value::IntervalMonthDayNano(x.negative())),
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.into_iter())
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).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 = (struct_array.fields()).try_into()?;
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::Decimal32(_, _, _)
1222            | ScalarValue::Decimal64(_, _, _)
1223            | ScalarValue::Decimal256(_, _, _)
1224            | ScalarValue::FixedSizeList(_)
1225            | ScalarValue::LargeList(_)
1226            | ScalarValue::Dictionary(_, _)
1227            | ScalarValue::Union(_, _, _)
1228            | ScalarValue::Float16(_)
1229            | ScalarValue::Utf8View(_)
1230            | ScalarValue::BinaryView(_)
1231            | ScalarValue::Map(_)
1232            | ScalarValue::Date64(_) => {
1233                return error::UnsupportedArrowTypeSnafu {
1234                    arrow_type: v.data_type(),
1235                }
1236                .fail();
1237            }
1238        };
1239        Ok(v)
1240    }
1241}
1242
1243impl From<ValueRef<'_>> for Value {
1244    fn from(value: ValueRef<'_>) -> Self {
1245        match value {
1246            ValueRef::Null => Value::Null,
1247            ValueRef::Boolean(v) => Value::Boolean(v),
1248            ValueRef::UInt8(v) => Value::UInt8(v),
1249            ValueRef::UInt16(v) => Value::UInt16(v),
1250            ValueRef::UInt32(v) => Value::UInt32(v),
1251            ValueRef::UInt64(v) => Value::UInt64(v),
1252            ValueRef::Int8(v) => Value::Int8(v),
1253            ValueRef::Int16(v) => Value::Int16(v),
1254            ValueRef::Int32(v) => Value::Int32(v),
1255            ValueRef::Int64(v) => Value::Int64(v),
1256            ValueRef::Float32(v) => Value::Float32(v),
1257            ValueRef::Float64(v) => Value::Float64(v),
1258            ValueRef::String(v) => Value::String(v.into()),
1259            ValueRef::Binary(v) => Value::Binary(v.into()),
1260            ValueRef::Date(v) => Value::Date(v),
1261            ValueRef::Timestamp(v) => Value::Timestamp(v),
1262            ValueRef::Time(v) => Value::Time(v),
1263            ValueRef::IntervalYearMonth(v) => Value::IntervalYearMonth(v),
1264            ValueRef::IntervalDayTime(v) => Value::IntervalDayTime(v),
1265            ValueRef::IntervalMonthDayNano(v) => Value::IntervalMonthDayNano(v),
1266            ValueRef::Duration(v) => Value::Duration(v),
1267            ValueRef::List(v) => v.to_value(),
1268            ValueRef::Decimal128(v) => Value::Decimal128(v),
1269            ValueRef::Struct(v) => v.to_value(),
1270            ValueRef::Json(v) => Value::Json(Box::new(JsonValue::from(*v))),
1271        }
1272    }
1273}
1274
1275/// Reference to [Value].
1276#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
1277pub enum ValueRef<'a> {
1278    Null,
1279
1280    // Numeric types:
1281    Boolean(bool),
1282    UInt8(u8),
1283    UInt16(u16),
1284    UInt32(u32),
1285    UInt64(u64),
1286    Int8(i8),
1287    Int16(i16),
1288    Int32(i32),
1289    Int64(i64),
1290    Float32(OrderedF32),
1291    Float64(OrderedF64),
1292
1293    // Decimal type:
1294    Decimal128(Decimal128),
1295
1296    // String types:
1297    String(&'a str),
1298    Binary(&'a [u8]),
1299
1300    // Date & Time types:
1301    Date(Date),
1302    Timestamp(Timestamp),
1303    Time(Time),
1304    Duration(Duration),
1305    // Interval types:
1306    IntervalYearMonth(IntervalYearMonth),
1307    IntervalDayTime(IntervalDayTime),
1308    IntervalMonthDayNano(IntervalMonthDayNano),
1309
1310    // Compound types:
1311    List(ListValueRef<'a>),
1312    Struct(StructValueRef<'a>),
1313
1314    Json(Box<JsonValueRef<'a>>),
1315}
1316
1317macro_rules! impl_as_for_value_ref {
1318    ($value: ident, $Variant: ident) => {
1319        match $value {
1320            ValueRef::Null => Ok(None),
1321            ValueRef::$Variant(v) => Ok(Some(v.clone())),
1322            other => error::CastTypeSnafu {
1323                msg: format!(
1324                    "Failed to cast value ref {:?} to {}",
1325                    other,
1326                    stringify!($Variant)
1327                ),
1328            }
1329            .fail(),
1330        }
1331    };
1332}
1333
1334impl<'a> ValueRef<'a> {
1335    define_data_type_func!(ValueRef);
1336
1337    /// Returns true if this is null.
1338    pub fn is_null(&self) -> bool {
1339        match self {
1340            ValueRef::Null => true,
1341            ValueRef::Json(v) => v.is_null(),
1342            _ => false,
1343        }
1344    }
1345
1346    /// Cast itself to binary slice.
1347    pub fn try_into_binary(&self) -> Result<Option<&'a [u8]>> {
1348        impl_as_for_value_ref!(self, Binary)
1349    }
1350
1351    /// Cast itself to string slice.
1352    pub fn try_into_string(&self) -> Result<Option<&'a str>> {
1353        impl_as_for_value_ref!(self, String)
1354    }
1355
1356    /// Cast itself to boolean.
1357    pub fn try_into_boolean(&self) -> Result<Option<bool>> {
1358        impl_as_for_value_ref!(self, Boolean)
1359    }
1360
1361    pub fn try_into_i8(&self) -> Result<Option<i8>> {
1362        impl_as_for_value_ref!(self, Int8)
1363    }
1364
1365    pub fn try_into_u8(&self) -> Result<Option<u8>> {
1366        impl_as_for_value_ref!(self, UInt8)
1367    }
1368
1369    pub fn try_into_i16(&self) -> Result<Option<i16>> {
1370        impl_as_for_value_ref!(self, Int16)
1371    }
1372
1373    pub fn try_into_u16(&self) -> Result<Option<u16>> {
1374        impl_as_for_value_ref!(self, UInt16)
1375    }
1376
1377    pub fn try_into_i32(&self) -> Result<Option<i32>> {
1378        impl_as_for_value_ref!(self, Int32)
1379    }
1380
1381    pub fn try_into_u32(&self) -> Result<Option<u32>> {
1382        impl_as_for_value_ref!(self, UInt32)
1383    }
1384
1385    pub fn try_into_i64(&self) -> Result<Option<i64>> {
1386        impl_as_for_value_ref!(self, Int64)
1387    }
1388
1389    pub fn try_into_u64(&self) -> Result<Option<u64>> {
1390        impl_as_for_value_ref!(self, UInt64)
1391    }
1392
1393    pub fn try_into_f32(&self) -> Result<Option<f32>> {
1394        match self {
1395            ValueRef::Null => Ok(None),
1396            ValueRef::Float32(f) => Ok(Some(f.0)),
1397            ValueRef::Json(v) => Ok(v.as_f32()),
1398            other => error::CastTypeSnafu {
1399                msg: format!("Failed to cast value ref {:?} to ValueRef::Float32", other,),
1400            }
1401            .fail(),
1402        }
1403    }
1404
1405    pub fn try_into_f64(&self) -> Result<Option<f64>> {
1406        match self {
1407            ValueRef::Null => Ok(None),
1408            ValueRef::Float64(f) => Ok(Some(f.0)),
1409            ValueRef::Json(v) => Ok(v.as_f64()),
1410            other => error::CastTypeSnafu {
1411                msg: format!("Failed to cast value ref {:?} to ValueRef::Float64", other,),
1412            }
1413            .fail(),
1414        }
1415    }
1416
1417    /// Cast itself to [Date].
1418    pub fn try_into_date(&self) -> Result<Option<Date>> {
1419        impl_as_for_value_ref!(self, Date)
1420    }
1421
1422    /// Cast itself to [Timestamp].
1423    pub fn try_into_timestamp(&self) -> Result<Option<Timestamp>> {
1424        impl_as_for_value_ref!(self, Timestamp)
1425    }
1426
1427    /// Cast itself to [Time].
1428    pub fn try_into_time(&self) -> Result<Option<Time>> {
1429        impl_as_for_value_ref!(self, Time)
1430    }
1431
1432    pub fn try_into_duration(&self) -> Result<Option<Duration>> {
1433        impl_as_for_value_ref!(self, Duration)
1434    }
1435
1436    /// Cast itself to [IntervalYearMonth].
1437    pub fn try_into_interval_year_month(&self) -> Result<Option<IntervalYearMonth>> {
1438        impl_as_for_value_ref!(self, IntervalYearMonth)
1439    }
1440
1441    /// Cast itself to [IntervalDayTime].
1442    pub fn try_into_interval_day_time(&self) -> Result<Option<IntervalDayTime>> {
1443        impl_as_for_value_ref!(self, IntervalDayTime)
1444    }
1445
1446    /// Cast itself to [IntervalMonthDayNano].
1447    pub fn try_into_interval_month_day_nano(&self) -> Result<Option<IntervalMonthDayNano>> {
1448        impl_as_for_value_ref!(self, IntervalMonthDayNano)
1449    }
1450
1451    /// Cast itself to [ListValueRef].
1452    pub fn try_into_list(&self) -> Result<Option<ListValueRef<'_>>> {
1453        impl_as_for_value_ref!(self, List)
1454    }
1455
1456    /// Cast itself to [StructValueRef].
1457    pub fn try_into_struct(&self) -> Result<Option<StructValueRef<'_>>> {
1458        impl_as_for_value_ref!(self, Struct)
1459    }
1460
1461    /// Cast itself to [Decimal128].
1462    pub fn try_into_decimal128(&self) -> Result<Option<Decimal128>> {
1463        impl_as_for_value_ref!(self, Decimal128)
1464    }
1465}
1466
1467impl PartialOrd for ValueRef<'_> {
1468    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1469        Some(self.cmp(other))
1470    }
1471}
1472
1473impl Ord for ValueRef<'_> {
1474    fn cmp(&self, other: &Self) -> Ordering {
1475        impl_ord_for_value_like!(ValueRef, self, other)
1476    }
1477}
1478
1479macro_rules! impl_value_ref_from {
1480    ($Variant:ident, $Type:ident) => {
1481        impl From<$Type> for ValueRef<'_> {
1482            fn from(value: $Type) -> Self {
1483                ValueRef::$Variant(value.into())
1484            }
1485        }
1486
1487        impl From<Option<$Type>> for ValueRef<'_> {
1488            fn from(value: Option<$Type>) -> Self {
1489                match value {
1490                    Some(v) => ValueRef::$Variant(v.into()),
1491                    None => ValueRef::Null,
1492                }
1493            }
1494        }
1495    };
1496}
1497
1498impl_value_ref_from!(Boolean, bool);
1499impl_value_ref_from!(UInt8, u8);
1500impl_value_ref_from!(UInt16, u16);
1501impl_value_ref_from!(UInt32, u32);
1502impl_value_ref_from!(UInt64, u64);
1503impl_value_ref_from!(Int8, i8);
1504impl_value_ref_from!(Int16, i16);
1505impl_value_ref_from!(Int32, i32);
1506impl_value_ref_from!(Int64, i64);
1507impl_value_ref_from!(Float32, f32);
1508impl_value_ref_from!(Float64, f64);
1509impl_value_ref_from!(Date, Date);
1510impl_value_ref_from!(Timestamp, Timestamp);
1511impl_value_ref_from!(Time, Time);
1512impl_value_ref_from!(IntervalYearMonth, IntervalYearMonth);
1513impl_value_ref_from!(IntervalDayTime, IntervalDayTime);
1514impl_value_ref_from!(IntervalMonthDayNano, IntervalMonthDayNano);
1515impl_value_ref_from!(Duration, Duration);
1516impl_value_ref_from!(Decimal128, Decimal128);
1517
1518impl<'a> From<&'a str> for ValueRef<'a> {
1519    fn from(string: &'a str) -> ValueRef<'a> {
1520        ValueRef::String(string)
1521    }
1522}
1523
1524impl<'a> From<&'a [u8]> for ValueRef<'a> {
1525    fn from(bytes: &'a [u8]) -> ValueRef<'a> {
1526        ValueRef::Binary(bytes)
1527    }
1528}
1529
1530impl<'a> From<Option<ListValueRef<'a>>> for ValueRef<'a> {
1531    fn from(list: Option<ListValueRef>) -> ValueRef {
1532        match list {
1533            Some(v) => ValueRef::List(v),
1534            None => ValueRef::Null,
1535        }
1536    }
1537}
1538
1539/// Reference to a [ListValue].
1540///
1541/// Now comparison still requires some allocation (call of `to_value()`) and
1542/// might be avoidable by downcasting and comparing the underlying array slice
1543/// if it becomes bottleneck.
1544#[derive(Debug, Clone)]
1545pub enum ListValueRef<'a> {
1546    // TODO(yingwen): Consider replace this by VectorRef.
1547    Indexed {
1548        vector: &'a ListVector,
1549        idx: usize,
1550    },
1551    Ref {
1552        val: &'a ListValue,
1553    },
1554    RefList {
1555        val: Vec<ValueRef<'a>>,
1556        item_datatype: Arc<ConcreteDataType>,
1557    },
1558}
1559
1560impl ListValueRef<'_> {
1561    /// Convert self to [Value]. This method would clone the underlying data.
1562    fn to_value(&self) -> Value {
1563        match self {
1564            ListValueRef::Indexed { vector, idx } => vector.get(*idx),
1565            ListValueRef::Ref { val } => Value::List((*val).clone()),
1566            ListValueRef::RefList { val, item_datatype } => Value::List(ListValue::new(
1567                val.iter().map(|v| Value::from(v.clone())).collect(),
1568                item_datatype.clone(),
1569            )),
1570        }
1571    }
1572    /// Returns the inner element's data type.
1573    fn datatype(&self) -> Arc<ConcreteDataType> {
1574        match self {
1575            ListValueRef::Indexed { vector, .. } => vector.item_type(),
1576            ListValueRef::Ref { val } => val.datatype().clone(),
1577            ListValueRef::RefList { item_datatype, .. } => item_datatype.clone(),
1578        }
1579    }
1580}
1581
1582impl Serialize for ListValueRef<'_> {
1583    fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
1584        match self {
1585            ListValueRef::Indexed { vector, idx } => match vector.get(*idx) {
1586                Value::List(v) => v.serialize(serializer),
1587                _ => unreachable!(),
1588            },
1589            ListValueRef::Ref { val } => val.serialize(serializer),
1590            ListValueRef::RefList { val, .. } => val.serialize(serializer),
1591        }
1592    }
1593}
1594
1595impl PartialEq for ListValueRef<'_> {
1596    fn eq(&self, other: &Self) -> bool {
1597        self.to_value().eq(&other.to_value())
1598    }
1599}
1600
1601impl Eq for ListValueRef<'_> {}
1602
1603impl Ord for ListValueRef<'_> {
1604    fn cmp(&self, other: &Self) -> Ordering {
1605        // Respect the order of `Value` by converting into value before comparison.
1606        self.to_value().cmp(&other.to_value())
1607    }
1608}
1609
1610impl PartialOrd for ListValueRef<'_> {
1611    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1612        Some(self.cmp(other))
1613    }
1614}
1615
1616#[derive(Debug, Clone)]
1617pub enum StructValueRef<'a> {
1618    Indexed {
1619        vector: &'a StructVector,
1620        idx: usize,
1621    },
1622    Ref(&'a StructValue),
1623    RefList {
1624        val: Vec<ValueRef<'a>>,
1625        fields: StructType,
1626    },
1627}
1628
1629impl<'a> StructValueRef<'a> {
1630    pub fn to_value(&self) -> Value {
1631        match self {
1632            StructValueRef::Indexed { vector, idx } => vector.get(*idx),
1633            StructValueRef::Ref(val) => Value::Struct((*val).clone()),
1634            StructValueRef::RefList { val, fields } => {
1635                let items = val.iter().map(|v| Value::from(v.clone())).collect();
1636                Value::Struct(StructValue::try_new(items, fields.clone()).unwrap())
1637            }
1638        }
1639    }
1640
1641    pub fn struct_type(&self) -> &StructType {
1642        match self {
1643            StructValueRef::Indexed { vector, .. } => vector.struct_type(),
1644            StructValueRef::Ref(val) => val.struct_type(),
1645            StructValueRef::RefList { fields, .. } => fields,
1646        }
1647    }
1648}
1649
1650impl Serialize for StructValueRef<'_> {
1651    fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
1652        match self {
1653            StructValueRef::Indexed { vector, idx } => match vector.get(*idx) {
1654                Value::Struct(v) => v.serialize(serializer),
1655                _ => unreachable!(),
1656            },
1657            StructValueRef::Ref(val) => val.serialize(serializer),
1658            StructValueRef::RefList { val, .. } => val.serialize(serializer),
1659        }
1660    }
1661}
1662
1663impl PartialEq for StructValueRef<'_> {
1664    fn eq(&self, other: &Self) -> bool {
1665        self.to_value().eq(&other.to_value())
1666    }
1667}
1668
1669impl Eq for StructValueRef<'_> {}
1670
1671impl Ord for StructValueRef<'_> {
1672    fn cmp(&self, other: &Self) -> Ordering {
1673        // Respect the order of `Value` by converting into value before comparison.
1674        self.to_value().cmp(&other.to_value())
1675    }
1676}
1677
1678impl PartialOrd for StructValueRef<'_> {
1679    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1680        Some(self.cmp(other))
1681    }
1682}
1683
1684impl ValueRef<'_> {
1685    /// Returns the size of the underlying data in bytes,
1686    /// The size is estimated and only considers the data size.
1687    pub fn data_size(&self) -> usize {
1688        match self {
1689            // Since the `Null` type is also considered to occupy space, we have opted to use the
1690            // size of `i64` as an initial approximation.
1691            ValueRef::Null => 8,
1692            ValueRef::Boolean(_) => 1,
1693            ValueRef::UInt8(_) => 1,
1694            ValueRef::UInt16(_) => 2,
1695            ValueRef::UInt32(_) => 4,
1696            ValueRef::UInt64(_) => 8,
1697            ValueRef::Int8(_) => 1,
1698            ValueRef::Int16(_) => 2,
1699            ValueRef::Int32(_) => 4,
1700            ValueRef::Int64(_) => 8,
1701            ValueRef::Float32(_) => 4,
1702            ValueRef::Float64(_) => 8,
1703            ValueRef::String(v) => std::mem::size_of_val(*v),
1704            ValueRef::Binary(v) => std::mem::size_of_val(*v),
1705            ValueRef::Date(_) => 4,
1706            ValueRef::Timestamp(_) => 16,
1707            ValueRef::Time(_) => 16,
1708            ValueRef::Duration(_) => 16,
1709            ValueRef::IntervalYearMonth(_) => 4,
1710            ValueRef::IntervalDayTime(_) => 8,
1711            ValueRef::IntervalMonthDayNano(_) => 16,
1712            ValueRef::Decimal128(_) => 32,
1713            ValueRef::List(v) => match v {
1714                ListValueRef::Indexed { vector, .. } => vector.memory_size() / vector.len(),
1715                ListValueRef::Ref { val } => val.estimated_size(),
1716                ListValueRef::RefList { val, .. } => {
1717                    val.iter().map(|v| v.data_size()).sum::<usize>()
1718                        + std::mem::size_of::<Arc<ConcreteDataType>>()
1719                }
1720            },
1721            ValueRef::Struct(val) => match val {
1722                StructValueRef::Indexed { vector, .. } => vector.memory_size() / vector.len(),
1723                StructValueRef::Ref(val) => val.estimated_size(),
1724                StructValueRef::RefList { val, .. } => {
1725                    val.iter().map(|v| v.data_size()).sum::<usize>()
1726                        + std::mem::size_of::<StructType>()
1727                }
1728            },
1729            ValueRef::Json(v) => v.data_size(),
1730        }
1731    }
1732}
1733
1734#[cfg(test)]
1735pub(crate) mod tests {
1736    use arrow::datatypes::{DataType as ArrowDataType, Field};
1737    use common_time::timezone::set_default_timezone;
1738    use num_traits::Float;
1739
1740    use super::*;
1741    use crate::json::value::{JsonVariant, JsonVariantRef};
1742    use crate::types::StructField;
1743    use crate::vectors::ListVectorBuilder;
1744
1745    pub(crate) fn build_struct_type() -> StructType {
1746        StructType::new(Arc::new(vec![
1747            StructField::new("id".to_string(), ConcreteDataType::int32_datatype(), false),
1748            StructField::new(
1749                "name".to_string(),
1750                ConcreteDataType::string_datatype(),
1751                true,
1752            ),
1753            StructField::new("age".to_string(), ConcreteDataType::uint8_datatype(), true),
1754            StructField::new(
1755                "address".to_string(),
1756                ConcreteDataType::string_datatype(),
1757                true,
1758            ),
1759            StructField::new(
1760                "awards".to_string(),
1761                ConcreteDataType::list_datatype(Arc::new(ConcreteDataType::boolean_datatype())),
1762                true,
1763            ),
1764        ]))
1765    }
1766
1767    pub(crate) fn build_struct_value() -> StructValue {
1768        let struct_type = build_struct_type();
1769
1770        let struct_items = vec![
1771            Value::Int32(1),
1772            Value::String("tom".into()),
1773            Value::UInt8(25),
1774            Value::String("94038".into()),
1775            Value::List(build_list_value()),
1776        ];
1777        StructValue::try_new(struct_items, struct_type).unwrap()
1778    }
1779
1780    pub(crate) fn build_scalar_struct_value() -> ScalarValue {
1781        let struct_type = build_struct_type();
1782        let arrays = vec![
1783            ScalarValue::Int32(Some(1)).to_array().unwrap(),
1784            ScalarValue::Utf8(Some("tom".into())).to_array().unwrap(),
1785            ScalarValue::UInt8(Some(25)).to_array().unwrap(),
1786            ScalarValue::Utf8(Some("94038".into())).to_array().unwrap(),
1787            build_scalar_list_value().to_array().unwrap(),
1788        ];
1789        let struct_arrow_array = StructArray::new(struct_type.as_arrow_fields(), arrays, None);
1790        ScalarValue::Struct(Arc::new(struct_arrow_array))
1791    }
1792
1793    pub fn build_list_type() -> ConcreteDataType {
1794        ConcreteDataType::list_datatype(Arc::new(ConcreteDataType::boolean_datatype()))
1795    }
1796
1797    pub(crate) fn build_list_value() -> ListValue {
1798        let items = vec![Value::Boolean(true), Value::Boolean(false)];
1799        ListValue::new(items, Arc::new(ConcreteDataType::boolean_datatype()))
1800    }
1801
1802    pub(crate) fn build_scalar_list_value() -> ScalarValue {
1803        let items = vec![
1804            ScalarValue::Boolean(Some(true)),
1805            ScalarValue::Boolean(Some(false)),
1806        ];
1807        ScalarValue::List(ScalarValue::new_list(&items, &ArrowDataType::Boolean, true))
1808    }
1809
1810    #[test]
1811    fn test_try_from_scalar_value() {
1812        assert_eq!(
1813            Value::Boolean(true),
1814            ScalarValue::Boolean(Some(true)).try_into().unwrap()
1815        );
1816        assert_eq!(
1817            Value::Boolean(false),
1818            ScalarValue::Boolean(Some(false)).try_into().unwrap()
1819        );
1820        assert_eq!(Value::Null, ScalarValue::Boolean(None).try_into().unwrap());
1821
1822        assert_eq!(
1823            Value::Float32(1.0f32.into()),
1824            ScalarValue::Float32(Some(1.0f32)).try_into().unwrap()
1825        );
1826        assert_eq!(Value::Null, ScalarValue::Float32(None).try_into().unwrap());
1827
1828        assert_eq!(
1829            Value::Float64(2.0f64.into()),
1830            ScalarValue::Float64(Some(2.0f64)).try_into().unwrap()
1831        );
1832        assert_eq!(Value::Null, ScalarValue::Float64(None).try_into().unwrap());
1833
1834        assert_eq!(
1835            Value::Int8(i8::MAX),
1836            ScalarValue::Int8(Some(i8::MAX)).try_into().unwrap()
1837        );
1838        assert_eq!(Value::Null, ScalarValue::Int8(None).try_into().unwrap());
1839
1840        assert_eq!(
1841            Value::Int16(i16::MAX),
1842            ScalarValue::Int16(Some(i16::MAX)).try_into().unwrap()
1843        );
1844        assert_eq!(Value::Null, ScalarValue::Int16(None).try_into().unwrap());
1845
1846        assert_eq!(
1847            Value::Int32(i32::MAX),
1848            ScalarValue::Int32(Some(i32::MAX)).try_into().unwrap()
1849        );
1850        assert_eq!(Value::Null, ScalarValue::Int32(None).try_into().unwrap());
1851
1852        assert_eq!(
1853            Value::Int64(i64::MAX),
1854            ScalarValue::Int64(Some(i64::MAX)).try_into().unwrap()
1855        );
1856        assert_eq!(Value::Null, ScalarValue::Int64(None).try_into().unwrap());
1857
1858        assert_eq!(
1859            Value::UInt8(u8::MAX),
1860            ScalarValue::UInt8(Some(u8::MAX)).try_into().unwrap()
1861        );
1862        assert_eq!(Value::Null, ScalarValue::UInt8(None).try_into().unwrap());
1863
1864        assert_eq!(
1865            Value::UInt16(u16::MAX),
1866            ScalarValue::UInt16(Some(u16::MAX)).try_into().unwrap()
1867        );
1868        assert_eq!(Value::Null, ScalarValue::UInt16(None).try_into().unwrap());
1869
1870        assert_eq!(
1871            Value::UInt32(u32::MAX),
1872            ScalarValue::UInt32(Some(u32::MAX)).try_into().unwrap()
1873        );
1874        assert_eq!(Value::Null, ScalarValue::UInt32(None).try_into().unwrap());
1875
1876        assert_eq!(
1877            Value::UInt64(u64::MAX),
1878            ScalarValue::UInt64(Some(u64::MAX)).try_into().unwrap()
1879        );
1880        assert_eq!(Value::Null, ScalarValue::UInt64(None).try_into().unwrap());
1881
1882        assert_eq!(
1883            Value::from("hello"),
1884            ScalarValue::Utf8(Some("hello".to_string()))
1885                .try_into()
1886                .unwrap()
1887        );
1888        assert_eq!(Value::Null, ScalarValue::Utf8(None).try_into().unwrap());
1889
1890        assert_eq!(
1891            Value::from("large_hello"),
1892            ScalarValue::LargeUtf8(Some("large_hello".to_string()))
1893                .try_into()
1894                .unwrap()
1895        );
1896        assert_eq!(
1897            Value::Null,
1898            ScalarValue::LargeUtf8(None).try_into().unwrap()
1899        );
1900
1901        assert_eq!(
1902            Value::from("world".as_bytes()),
1903            ScalarValue::Binary(Some("world".as_bytes().to_vec()))
1904                .try_into()
1905                .unwrap()
1906        );
1907        assert_eq!(Value::Null, ScalarValue::Binary(None).try_into().unwrap());
1908
1909        assert_eq!(
1910            Value::from("large_world".as_bytes()),
1911            ScalarValue::LargeBinary(Some("large_world".as_bytes().to_vec()))
1912                .try_into()
1913                .unwrap()
1914        );
1915        assert_eq!(
1916            Value::Null,
1917            ScalarValue::LargeBinary(None).try_into().unwrap()
1918        );
1919
1920        assert_eq!(
1921            Value::List(build_list_value()),
1922            build_scalar_list_value().try_into().unwrap()
1923        );
1924        assert_eq!(
1925            Value::List(ListValue::new(
1926                vec![],
1927                Arc::new(ConcreteDataType::uint32_datatype())
1928            )),
1929            ScalarValue::List(ScalarValue::new_list(&[], &ArrowDataType::UInt32, true))
1930                .try_into()
1931                .unwrap()
1932        );
1933
1934        assert_eq!(
1935            Value::Date(Date::new(123)),
1936            ScalarValue::Date32(Some(123)).try_into().unwrap()
1937        );
1938        assert_eq!(Value::Null, ScalarValue::Date32(None).try_into().unwrap());
1939
1940        assert_eq!(
1941            Value::Timestamp(Timestamp::new(1, TimeUnit::Second)),
1942            ScalarValue::TimestampSecond(Some(1), None)
1943                .try_into()
1944                .unwrap()
1945        );
1946        assert_eq!(
1947            Value::Null,
1948            ScalarValue::TimestampSecond(None, None).try_into().unwrap()
1949        );
1950
1951        assert_eq!(
1952            Value::Timestamp(Timestamp::new(1, TimeUnit::Millisecond)),
1953            ScalarValue::TimestampMillisecond(Some(1), None)
1954                .try_into()
1955                .unwrap()
1956        );
1957        assert_eq!(
1958            Value::Null,
1959            ScalarValue::TimestampMillisecond(None, None)
1960                .try_into()
1961                .unwrap()
1962        );
1963
1964        assert_eq!(
1965            Value::Timestamp(Timestamp::new(1, TimeUnit::Microsecond)),
1966            ScalarValue::TimestampMicrosecond(Some(1), None)
1967                .try_into()
1968                .unwrap()
1969        );
1970        assert_eq!(
1971            Value::Null,
1972            ScalarValue::TimestampMicrosecond(None, None)
1973                .try_into()
1974                .unwrap()
1975        );
1976
1977        assert_eq!(
1978            Value::Timestamp(Timestamp::new(1, TimeUnit::Nanosecond)),
1979            ScalarValue::TimestampNanosecond(Some(1), None)
1980                .try_into()
1981                .unwrap()
1982        );
1983        assert_eq!(
1984            Value::Null,
1985            ScalarValue::TimestampNanosecond(None, None)
1986                .try_into()
1987                .unwrap()
1988        );
1989        assert_eq!(
1990            Value::Null,
1991            ScalarValue::IntervalMonthDayNano(None).try_into().unwrap()
1992        );
1993        assert_eq!(
1994            Value::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 1, 1)),
1995            ScalarValue::IntervalMonthDayNano(Some(IntervalMonthDayNano::new(1, 1, 1).into()))
1996                .try_into()
1997                .unwrap()
1998        );
1999
2000        assert_eq!(
2001            Value::Time(Time::new(1, TimeUnit::Second)),
2002            ScalarValue::Time32Second(Some(1)).try_into().unwrap()
2003        );
2004        assert_eq!(
2005            Value::Null,
2006            ScalarValue::Time32Second(None).try_into().unwrap()
2007        );
2008
2009        assert_eq!(
2010            Value::Time(Time::new(1, TimeUnit::Millisecond)),
2011            ScalarValue::Time32Millisecond(Some(1)).try_into().unwrap()
2012        );
2013        assert_eq!(
2014            Value::Null,
2015            ScalarValue::Time32Millisecond(None).try_into().unwrap()
2016        );
2017
2018        assert_eq!(
2019            Value::Time(Time::new(1, TimeUnit::Microsecond)),
2020            ScalarValue::Time64Microsecond(Some(1)).try_into().unwrap()
2021        );
2022        assert_eq!(
2023            Value::Null,
2024            ScalarValue::Time64Microsecond(None).try_into().unwrap()
2025        );
2026
2027        assert_eq!(
2028            Value::Time(Time::new(1, TimeUnit::Nanosecond)),
2029            ScalarValue::Time64Nanosecond(Some(1)).try_into().unwrap()
2030        );
2031        assert_eq!(
2032            Value::Null,
2033            ScalarValue::Time64Nanosecond(None).try_into().unwrap()
2034        );
2035
2036        assert_eq!(
2037            Value::Duration(Duration::new_second(1)),
2038            ScalarValue::DurationSecond(Some(1)).try_into().unwrap()
2039        );
2040        assert_eq!(
2041            Value::Null,
2042            ScalarValue::DurationSecond(None).try_into().unwrap()
2043        );
2044
2045        assert_eq!(
2046            Value::Duration(Duration::new_millisecond(1)),
2047            ScalarValue::DurationMillisecond(Some(1))
2048                .try_into()
2049                .unwrap()
2050        );
2051        assert_eq!(
2052            Value::Null,
2053            ScalarValue::DurationMillisecond(None).try_into().unwrap()
2054        );
2055
2056        assert_eq!(
2057            Value::Duration(Duration::new_microsecond(1)),
2058            ScalarValue::DurationMicrosecond(Some(1))
2059                .try_into()
2060                .unwrap()
2061        );
2062        assert_eq!(
2063            Value::Null,
2064            ScalarValue::DurationMicrosecond(None).try_into().unwrap()
2065        );
2066
2067        assert_eq!(
2068            Value::Duration(Duration::new_nanosecond(1)),
2069            ScalarValue::DurationNanosecond(Some(1)).try_into().unwrap()
2070        );
2071        assert_eq!(
2072            Value::Null,
2073            ScalarValue::DurationNanosecond(None).try_into().unwrap()
2074        );
2075
2076        assert_eq!(
2077            Value::Decimal128(Decimal128::new(1, 38, 10)),
2078            ScalarValue::Decimal128(Some(1), 38, 10).try_into().unwrap()
2079        );
2080        assert_eq!(
2081            Value::Null,
2082            ScalarValue::Decimal128(None, 0, 0).try_into().unwrap()
2083        );
2084
2085        let struct_value = build_struct_value();
2086        let scalar_struct_value = build_scalar_struct_value();
2087        assert_eq!(
2088            Value::Struct(struct_value),
2089            scalar_struct_value.try_into().unwrap()
2090        );
2091    }
2092
2093    #[test]
2094    fn test_value_from_inner() {
2095        assert_eq!(Value::Boolean(true), Value::from(true));
2096        assert_eq!(Value::Boolean(false), Value::from(false));
2097
2098        assert_eq!(Value::UInt8(u8::MIN), Value::from(u8::MIN));
2099        assert_eq!(Value::UInt8(u8::MAX), Value::from(u8::MAX));
2100
2101        assert_eq!(Value::UInt16(u16::MIN), Value::from(u16::MIN));
2102        assert_eq!(Value::UInt16(u16::MAX), Value::from(u16::MAX));
2103
2104        assert_eq!(Value::UInt32(u32::MIN), Value::from(u32::MIN));
2105        assert_eq!(Value::UInt32(u32::MAX), Value::from(u32::MAX));
2106
2107        assert_eq!(Value::UInt64(u64::MIN), Value::from(u64::MIN));
2108        assert_eq!(Value::UInt64(u64::MAX), Value::from(u64::MAX));
2109
2110        assert_eq!(Value::Int8(i8::MIN), Value::from(i8::MIN));
2111        assert_eq!(Value::Int8(i8::MAX), Value::from(i8::MAX));
2112
2113        assert_eq!(Value::Int16(i16::MIN), Value::from(i16::MIN));
2114        assert_eq!(Value::Int16(i16::MAX), Value::from(i16::MAX));
2115
2116        assert_eq!(Value::Int32(i32::MIN), Value::from(i32::MIN));
2117        assert_eq!(Value::Int32(i32::MAX), Value::from(i32::MAX));
2118
2119        assert_eq!(Value::Int64(i64::MIN), Value::from(i64::MIN));
2120        assert_eq!(Value::Int64(i64::MAX), Value::from(i64::MAX));
2121
2122        assert_eq!(
2123            Value::Float32(OrderedFloat(f32::MIN)),
2124            Value::from(f32::MIN)
2125        );
2126        assert_eq!(
2127            Value::Float32(OrderedFloat(f32::MAX)),
2128            Value::from(f32::MAX)
2129        );
2130
2131        assert_eq!(
2132            Value::Float64(OrderedFloat(f64::MIN)),
2133            Value::from(f64::MIN)
2134        );
2135        assert_eq!(
2136            Value::Float64(OrderedFloat(f64::MAX)),
2137            Value::from(f64::MAX)
2138        );
2139
2140        let string_bytes = StringBytes::from("hello");
2141        assert_eq!(
2142            Value::String(string_bytes.clone()),
2143            Value::from(string_bytes)
2144        );
2145
2146        let bytes = Bytes::from(b"world".as_slice());
2147        assert_eq!(Value::Binary(bytes.clone()), Value::from(bytes));
2148    }
2149
2150    fn check_type_and_value(data_type: &ConcreteDataType, value: &Value) {
2151        assert_eq!(*data_type, value.data_type());
2152        assert_eq!(data_type.logical_type_id(), value.logical_type_id());
2153    }
2154
2155    #[test]
2156    fn test_value_datatype() {
2157        check_type_and_value(&ConcreteDataType::boolean_datatype(), &Value::Boolean(true));
2158        check_type_and_value(&ConcreteDataType::uint8_datatype(), &Value::UInt8(u8::MIN));
2159        check_type_and_value(
2160            &ConcreteDataType::uint16_datatype(),
2161            &Value::UInt16(u16::MIN),
2162        );
2163        check_type_and_value(
2164            &ConcreteDataType::uint16_datatype(),
2165            &Value::UInt16(u16::MAX),
2166        );
2167        check_type_and_value(
2168            &ConcreteDataType::uint32_datatype(),
2169            &Value::UInt32(u32::MIN),
2170        );
2171        check_type_and_value(
2172            &ConcreteDataType::uint64_datatype(),
2173            &Value::UInt64(u64::MIN),
2174        );
2175        check_type_and_value(&ConcreteDataType::int8_datatype(), &Value::Int8(i8::MIN));
2176        check_type_and_value(&ConcreteDataType::int16_datatype(), &Value::Int16(i16::MIN));
2177        check_type_and_value(&ConcreteDataType::int32_datatype(), &Value::Int32(i32::MIN));
2178        check_type_and_value(&ConcreteDataType::int64_datatype(), &Value::Int64(i64::MIN));
2179        check_type_and_value(
2180            &ConcreteDataType::float32_datatype(),
2181            &Value::Float32(OrderedFloat(f32::MIN)),
2182        );
2183        check_type_and_value(
2184            &ConcreteDataType::float64_datatype(),
2185            &Value::Float64(OrderedFloat(f64::MIN)),
2186        );
2187        check_type_and_value(
2188            &ConcreteDataType::string_datatype(),
2189            &Value::String(StringBytes::from("hello")),
2190        );
2191        check_type_and_value(
2192            &ConcreteDataType::binary_datatype(),
2193            &Value::Binary(Bytes::from(b"world".as_slice())),
2194        );
2195        let item_type = Arc::new(ConcreteDataType::int32_datatype());
2196        check_type_and_value(
2197            &ConcreteDataType::list_datatype(item_type.clone()),
2198            &Value::List(ListValue::new(vec![Value::Int32(10)], item_type.clone())),
2199        );
2200        check_type_and_value(
2201            &ConcreteDataType::list_datatype(Arc::new(ConcreteDataType::null_datatype())),
2202            &Value::List(ListValue::default()),
2203        );
2204        check_type_and_value(
2205            &ConcreteDataType::date_datatype(),
2206            &Value::Date(Date::new(1)),
2207        );
2208        check_type_and_value(
2209            &ConcreteDataType::timestamp_millisecond_datatype(),
2210            &Value::Timestamp(Timestamp::new_millisecond(1)),
2211        );
2212        check_type_and_value(
2213            &ConcreteDataType::time_second_datatype(),
2214            &Value::Time(Time::new_second(1)),
2215        );
2216        check_type_and_value(
2217            &ConcreteDataType::time_millisecond_datatype(),
2218            &Value::Time(Time::new_millisecond(1)),
2219        );
2220        check_type_and_value(
2221            &ConcreteDataType::time_microsecond_datatype(),
2222            &Value::Time(Time::new_microsecond(1)),
2223        );
2224        check_type_and_value(
2225            &ConcreteDataType::time_nanosecond_datatype(),
2226            &Value::Time(Time::new_nanosecond(1)),
2227        );
2228        check_type_and_value(
2229            &ConcreteDataType::interval_year_month_datatype(),
2230            &Value::IntervalYearMonth(IntervalYearMonth::new(1)),
2231        );
2232        check_type_and_value(
2233            &ConcreteDataType::interval_day_time_datatype(),
2234            &Value::IntervalDayTime(IntervalDayTime::new(1, 2)),
2235        );
2236        check_type_and_value(
2237            &ConcreteDataType::interval_month_day_nano_datatype(),
2238            &Value::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 2, 3)),
2239        );
2240        check_type_and_value(
2241            &ConcreteDataType::duration_second_datatype(),
2242            &Value::Duration(Duration::new_second(1)),
2243        );
2244        check_type_and_value(
2245            &ConcreteDataType::duration_millisecond_datatype(),
2246            &Value::Duration(Duration::new_millisecond(1)),
2247        );
2248        check_type_and_value(
2249            &ConcreteDataType::duration_microsecond_datatype(),
2250            &Value::Duration(Duration::new_microsecond(1)),
2251        );
2252        check_type_and_value(
2253            &ConcreteDataType::duration_nanosecond_datatype(),
2254            &Value::Duration(Duration::new_nanosecond(1)),
2255        );
2256        check_type_and_value(
2257            &ConcreteDataType::decimal128_datatype(38, 10),
2258            &Value::Decimal128(Decimal128::new(1, 38, 10)),
2259        );
2260
2261        let item_type = Arc::new(ConcreteDataType::boolean_datatype());
2262        check_type_and_value(
2263            &ConcreteDataType::list_datatype(item_type.clone()),
2264            &Value::List(ListValue::new(
2265                vec![Value::Boolean(true)],
2266                item_type.clone(),
2267            )),
2268        );
2269
2270        check_type_and_value(
2271            &ConcreteDataType::struct_datatype(build_struct_type()),
2272            &Value::Struct(build_struct_value()),
2273        );
2274
2275        check_type_and_value(
2276            &ConcreteDataType::json_native_datatype(ConcreteDataType::boolean_datatype()),
2277            &Value::Json(Box::new(true.into())),
2278        );
2279
2280        check_type_and_value(
2281            &ConcreteDataType::json_native_datatype(build_list_type()),
2282            &Value::Json(Box::new([true].into())),
2283        );
2284
2285        check_type_and_value(
2286            &ConcreteDataType::json_native_datatype(ConcreteDataType::struct_datatype(
2287                StructType::new(Arc::new(vec![
2288                    StructField::new(
2289                        "address".to_string(),
2290                        ConcreteDataType::string_datatype(),
2291                        true,
2292                    ),
2293                    StructField::new("age".to_string(), ConcreteDataType::uint64_datatype(), true),
2294                    StructField::new(
2295                        "awards".to_string(),
2296                        ConcreteDataType::list_datatype(Arc::new(
2297                            ConcreteDataType::boolean_datatype(),
2298                        )),
2299                        true,
2300                    ),
2301                    StructField::new("id".to_string(), ConcreteDataType::int64_datatype(), true),
2302                    StructField::new(
2303                        "name".to_string(),
2304                        ConcreteDataType::string_datatype(),
2305                        true,
2306                    ),
2307                ])),
2308            )),
2309            &Value::Json(Box::new(
2310                [
2311                    ("id", JsonVariant::from(1i64)),
2312                    ("name", "Alice".into()),
2313                    ("age", 1u64.into()),
2314                    ("address", "blah".into()),
2315                    ("awards", [true, false].into()),
2316                ]
2317                .into(),
2318            )),
2319        );
2320    }
2321
2322    #[test]
2323    fn test_value_from_string() {
2324        let hello = "hello".to_string();
2325        assert_eq!(
2326            Value::String(StringBytes::from(hello.clone())),
2327            Value::from(hello)
2328        );
2329
2330        let world = "world";
2331        assert_eq!(Value::String(StringBytes::from(world)), Value::from(world));
2332    }
2333
2334    #[test]
2335    fn test_value_from_bytes() {
2336        let hello = b"hello".to_vec();
2337        assert_eq!(
2338            Value::Binary(Bytes::from(hello.clone())),
2339            Value::from(hello)
2340        );
2341
2342        let world: &[u8] = b"world";
2343        assert_eq!(Value::Binary(Bytes::from(world)), Value::from(world));
2344    }
2345
2346    fn to_json(value: Value) -> serde_json::Value {
2347        value.try_into().unwrap()
2348    }
2349
2350    #[test]
2351    fn test_to_json_value() {
2352        assert_eq!(serde_json::Value::Null, to_json(Value::Null));
2353        assert_eq!(serde_json::Value::Bool(true), to_json(Value::Boolean(true)));
2354        assert_eq!(
2355            serde_json::Value::Number(20u8.into()),
2356            to_json(Value::UInt8(20))
2357        );
2358        assert_eq!(
2359            serde_json::Value::Number(20i8.into()),
2360            to_json(Value::Int8(20))
2361        );
2362        assert_eq!(
2363            serde_json::Value::Number(2000u16.into()),
2364            to_json(Value::UInt16(2000))
2365        );
2366        assert_eq!(
2367            serde_json::Value::Number(2000i16.into()),
2368            to_json(Value::Int16(2000))
2369        );
2370        assert_eq!(
2371            serde_json::Value::Number(3000u32.into()),
2372            to_json(Value::UInt32(3000))
2373        );
2374        assert_eq!(
2375            serde_json::Value::Number(3000i32.into()),
2376            to_json(Value::Int32(3000))
2377        );
2378        assert_eq!(
2379            serde_json::Value::Number(4000u64.into()),
2380            to_json(Value::UInt64(4000))
2381        );
2382        assert_eq!(
2383            serde_json::Value::Number(4000i64.into()),
2384            to_json(Value::Int64(4000))
2385        );
2386        assert_eq!(
2387            serde_json::Value::from(125.0f32),
2388            to_json(Value::Float32(125.0.into()))
2389        );
2390        assert_eq!(
2391            serde_json::Value::from(125.0f64),
2392            to_json(Value::Float64(125.0.into()))
2393        );
2394        assert_eq!(
2395            serde_json::Value::String(String::from("hello")),
2396            to_json(Value::String(StringBytes::from("hello")))
2397        );
2398        assert_eq!(
2399            serde_json::Value::from(b"world".as_slice()),
2400            to_json(Value::Binary(Bytes::from(b"world".as_slice())))
2401        );
2402        assert_eq!(
2403            serde_json::Value::Number(5000i32.into()),
2404            to_json(Value::Date(Date::new(5000)))
2405        );
2406        assert_eq!(
2407            serde_json::Value::Number(1.into()),
2408            to_json(Value::Timestamp(Timestamp::new_millisecond(1)))
2409        );
2410        assert_eq!(
2411            serde_json::Value::Number(1.into()),
2412            to_json(Value::Time(Time::new_millisecond(1)))
2413        );
2414        assert_eq!(
2415            serde_json::Value::Number(1.into()),
2416            to_json(Value::Duration(Duration::new_millisecond(1)))
2417        );
2418
2419        let json_value: serde_json::Value = serde_json::from_str(r#"[123]"#).unwrap();
2420        assert_eq!(
2421            json_value,
2422            to_json(Value::List(ListValue {
2423                items: vec![Value::Int32(123)],
2424                datatype: Arc::new(ConcreteDataType::int32_datatype()),
2425            }))
2426        );
2427
2428        let struct_value = StructValue::try_new(
2429            vec![
2430                Value::Int64(42),
2431                Value::String("tomcat".into()),
2432                Value::Boolean(true),
2433            ],
2434            StructType::new(Arc::new(vec![
2435                StructField::new("num".to_string(), ConcreteDataType::int64_datatype(), true),
2436                StructField::new(
2437                    "name".to_string(),
2438                    ConcreteDataType::string_datatype(),
2439                    true,
2440                ),
2441                StructField::new(
2442                    "yes_or_no".to_string(),
2443                    ConcreteDataType::boolean_datatype(),
2444                    true,
2445                ),
2446            ])),
2447        )
2448        .unwrap();
2449        assert_eq!(
2450            serde_json::Value::try_from(Value::Struct(struct_value.clone())).unwrap(),
2451            serde_json::json!({
2452                "num": 42,
2453                "name": "tomcat",
2454                "yes_or_no": true
2455            })
2456        );
2457
2458        // string wrapped in json
2459        assert_eq!(
2460            serde_json::Value::try_from(Value::Json(Box::new("hello".into()))).unwrap(),
2461            serde_json::json!("hello")
2462        );
2463
2464        // list wrapped in json
2465        assert_eq!(
2466            serde_json::Value::try_from(Value::Json(Box::new([1i64, 2, 3,].into()))).unwrap(),
2467            serde_json::json!([1, 2, 3])
2468        );
2469
2470        // struct wrapped in json
2471        assert_eq!(
2472            serde_json::Value::try_from(Value::Json(Box::new(
2473                [
2474                    ("num".to_string(), JsonVariant::from(42i64)),
2475                    ("name".to_string(), "tomcat".into()),
2476                    ("yes_or_no".to_string(), true.into()),
2477                ]
2478                .into()
2479            )))
2480            .unwrap(),
2481            serde_json::json!({
2482                "num": 42,
2483                "name": "tomcat",
2484                "yes_or_no": true
2485            })
2486        );
2487    }
2488
2489    #[test]
2490    fn test_null_value() {
2491        assert!(Value::Null.is_null());
2492        assert!(Value::Json(Box::new(JsonValue::null())).is_null());
2493        assert!(!Value::Boolean(true).is_null());
2494        assert!(Value::Null < Value::Boolean(false));
2495        assert!(Value::Boolean(true) > Value::Null);
2496        assert!(Value::Null < Value::Int32(10));
2497        assert!(Value::Int32(10) > Value::Null);
2498    }
2499
2500    #[test]
2501    fn test_null_value_ref() {
2502        assert!(ValueRef::Null.is_null());
2503        assert!(!ValueRef::Boolean(true).is_null());
2504        assert!(ValueRef::Null < ValueRef::Boolean(false));
2505        assert!(ValueRef::Boolean(true) > ValueRef::Null);
2506        assert!(ValueRef::Null < ValueRef::Int32(10));
2507        assert!(ValueRef::Int32(10) > ValueRef::Null);
2508    }
2509
2510    #[test]
2511    fn test_as_value_ref() {
2512        macro_rules! check_as_value_ref {
2513            ($Variant: ident, $data: expr) => {
2514                let value = Value::$Variant($data);
2515                let value_ref = value.as_value_ref();
2516                let expect_ref = ValueRef::$Variant($data);
2517
2518                assert_eq!(expect_ref, value_ref);
2519            };
2520        }
2521
2522        assert_eq!(ValueRef::Null, Value::Null.as_value_ref());
2523        check_as_value_ref!(Boolean, true);
2524        check_as_value_ref!(UInt8, 123);
2525        check_as_value_ref!(UInt16, 123);
2526        check_as_value_ref!(UInt32, 123);
2527        check_as_value_ref!(UInt64, 123);
2528        check_as_value_ref!(Int8, -12);
2529        check_as_value_ref!(Int16, -12);
2530        check_as_value_ref!(Int32, -12);
2531        check_as_value_ref!(Int64, -12);
2532        check_as_value_ref!(Float32, OrderedF32::from(16.0));
2533        check_as_value_ref!(Float64, OrderedF64::from(16.0));
2534        check_as_value_ref!(Timestamp, Timestamp::new_millisecond(1));
2535        check_as_value_ref!(Time, Time::new_millisecond(1));
2536        check_as_value_ref!(IntervalYearMonth, IntervalYearMonth::new(1));
2537        check_as_value_ref!(IntervalDayTime, IntervalDayTime::new(1, 2));
2538        check_as_value_ref!(IntervalMonthDayNano, IntervalMonthDayNano::new(1, 2, 3));
2539        check_as_value_ref!(Duration, Duration::new_millisecond(1));
2540
2541        assert_eq!(
2542            ValueRef::String("hello"),
2543            Value::String("hello".into()).as_value_ref()
2544        );
2545        assert_eq!(
2546            ValueRef::Binary(b"hello"),
2547            Value::Binary("hello".as_bytes().into()).as_value_ref()
2548        );
2549
2550        check_as_value_ref!(Date, Date::new(103));
2551
2552        let list = build_list_value();
2553        assert_eq!(
2554            ValueRef::List(ListValueRef::Ref { val: &list }),
2555            Value::List(list.clone()).as_value_ref()
2556        );
2557
2558        let jsonb_value = jsonb::parse_value(r#"{"key": "value"}"#.as_bytes())
2559            .unwrap()
2560            .to_vec();
2561        assert_eq!(
2562            ValueRef::Binary(jsonb_value.clone().as_slice()),
2563            Value::Binary(jsonb_value.into()).as_value_ref()
2564        );
2565
2566        let struct_value = build_struct_value();
2567        assert_eq!(
2568            ValueRef::Struct(StructValueRef::Ref(&struct_value)),
2569            Value::Struct(struct_value.clone()).as_value_ref()
2570        );
2571    }
2572
2573    #[test]
2574    fn test_value_ref_as() {
2575        macro_rules! check_as_null {
2576            ($method: ident) => {
2577                assert_eq!(None, ValueRef::Null.$method().unwrap());
2578            };
2579        }
2580
2581        check_as_null!(try_into_binary);
2582        check_as_null!(try_into_string);
2583        check_as_null!(try_into_boolean);
2584        check_as_null!(try_into_list);
2585        check_as_null!(try_into_struct);
2586
2587        macro_rules! check_as_correct {
2588            ($data: expr, $Variant: ident, $method: ident) => {
2589                assert_eq!(Some($data), ValueRef::$Variant($data).$method().unwrap());
2590            };
2591        }
2592
2593        check_as_correct!("hello", String, try_into_string);
2594        check_as_correct!("hello".as_bytes(), Binary, try_into_binary);
2595        check_as_correct!(true, Boolean, try_into_boolean);
2596        check_as_correct!(Date::new(123), Date, try_into_date);
2597        check_as_correct!(Time::new_second(12), Time, try_into_time);
2598        check_as_correct!(Duration::new_second(12), Duration, try_into_duration);
2599
2600        let list = build_list_value();
2601        check_as_correct!(ListValueRef::Ref { val: &list }, List, try_into_list);
2602
2603        let struct_value = build_struct_value();
2604        check_as_correct!(StructValueRef::Ref(&struct_value), Struct, try_into_struct);
2605
2606        let wrong_value = ValueRef::Int32(12345);
2607        assert!(wrong_value.try_into_binary().is_err());
2608        assert!(wrong_value.try_into_string().is_err());
2609        assert!(wrong_value.try_into_boolean().is_err());
2610        assert!(wrong_value.try_into_list().is_err());
2611        assert!(wrong_value.try_into_struct().is_err());
2612        assert!(wrong_value.try_into_date().is_err());
2613        assert!(wrong_value.try_into_time().is_err());
2614        assert!(wrong_value.try_into_timestamp().is_err());
2615        assert!(wrong_value.try_into_duration().is_err());
2616    }
2617
2618    #[test]
2619    fn test_display() {
2620        set_default_timezone(Some("Asia/Shanghai")).unwrap();
2621        assert_eq!(Value::Null.to_string(), "Null");
2622        assert_eq!(Value::UInt8(8).to_string(), "8");
2623        assert_eq!(Value::UInt16(16).to_string(), "16");
2624        assert_eq!(Value::UInt32(32).to_string(), "32");
2625        assert_eq!(Value::UInt64(64).to_string(), "64");
2626        assert_eq!(Value::Int8(-8).to_string(), "-8");
2627        assert_eq!(Value::Int16(-16).to_string(), "-16");
2628        assert_eq!(Value::Int32(-32).to_string(), "-32");
2629        assert_eq!(Value::Int64(-64).to_string(), "-64");
2630        assert_eq!(Value::Float32((-32.123).into()).to_string(), "-32.123");
2631        assert_eq!(Value::Float64((-64.123).into()).to_string(), "-64.123");
2632        assert_eq!(Value::Float64(OrderedF64::infinity()).to_string(), "inf");
2633        assert_eq!(Value::Float64(OrderedF64::nan()).to_string(), "NaN");
2634        assert_eq!(Value::String(StringBytes::from("123")).to_string(), "123");
2635        assert_eq!(
2636            Value::Binary(Bytes::from(vec![1, 2, 3])).to_string(),
2637            "010203"
2638        );
2639        assert_eq!(Value::Date(Date::new(0)).to_string(), "1970-01-01");
2640        assert_eq!(
2641            Value::Timestamp(Timestamp::new(1000, TimeUnit::Millisecond)).to_string(),
2642            "1970-01-01 08:00:01+0800"
2643        );
2644        assert_eq!(
2645            Value::Time(Time::new(1000, TimeUnit::Millisecond)).to_string(),
2646            "08:00:01+0800"
2647        );
2648        assert_eq!(
2649            Value::Duration(Duration::new_millisecond(1000)).to_string(),
2650            "1000ms"
2651        );
2652        assert_eq!(
2653            Value::List(build_list_value()).to_string(),
2654            "Boolean[true, false]"
2655        );
2656        assert_eq!(
2657            Value::List(ListValue::new(
2658                vec![],
2659                Arc::new(ConcreteDataType::timestamp_second_datatype()),
2660            ))
2661            .to_string(),
2662            "TimestampSecond[]"
2663        );
2664        assert_eq!(
2665            Value::List(ListValue::new(
2666                vec![],
2667                Arc::new(ConcreteDataType::timestamp_millisecond_datatype()),
2668            ))
2669            .to_string(),
2670            "TimestampMillisecond[]"
2671        );
2672        assert_eq!(
2673            Value::List(ListValue::new(
2674                vec![],
2675                Arc::new(ConcreteDataType::timestamp_microsecond_datatype()),
2676            ))
2677            .to_string(),
2678            "TimestampMicrosecond[]"
2679        );
2680        assert_eq!(
2681            Value::List(ListValue::new(
2682                vec![],
2683                Arc::new(ConcreteDataType::timestamp_nanosecond_datatype()),
2684            ))
2685            .to_string(),
2686            "TimestampNanosecond[]"
2687        );
2688
2689        assert_eq!(
2690            Value::Struct(build_struct_value()).to_string(),
2691            "{ id: 1, name: tom, age: 25, address: 94038, awards: Boolean[true, false] }"
2692        );
2693
2694        assert_eq!(
2695            Value::Json(Box::new(
2696                [
2697                    ("id", JsonVariant::from(1i64)),
2698                    ("name", "tom".into()),
2699                    ("age", 25u64.into()),
2700                    ("address", "94038".into()),
2701                    ("awards", [true, false].into()),
2702                ]
2703                .into()
2704            ))
2705            .to_string(),
2706            "Json({ address: 94038, age: 25, awards: [true, false], id: 1, name: tom })"
2707        )
2708    }
2709
2710    #[test]
2711    fn test_not_null_value_to_scalar_value() {
2712        assert_eq!(
2713            ScalarValue::Boolean(Some(true)),
2714            Value::Boolean(true)
2715                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2716                .unwrap()
2717        );
2718        assert_eq!(
2719            ScalarValue::Boolean(Some(false)),
2720            Value::Boolean(false)
2721                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2722                .unwrap()
2723        );
2724        assert_eq!(
2725            ScalarValue::UInt8(Some(u8::MIN + 1)),
2726            Value::UInt8(u8::MIN + 1)
2727                .try_to_scalar_value(&ConcreteDataType::uint8_datatype())
2728                .unwrap()
2729        );
2730        assert_eq!(
2731            ScalarValue::UInt16(Some(u16::MIN + 2)),
2732            Value::UInt16(u16::MIN + 2)
2733                .try_to_scalar_value(&ConcreteDataType::uint16_datatype())
2734                .unwrap()
2735        );
2736        assert_eq!(
2737            ScalarValue::UInt32(Some(u32::MIN + 3)),
2738            Value::UInt32(u32::MIN + 3)
2739                .try_to_scalar_value(&ConcreteDataType::uint32_datatype())
2740                .unwrap()
2741        );
2742        assert_eq!(
2743            ScalarValue::UInt64(Some(u64::MIN + 4)),
2744            Value::UInt64(u64::MIN + 4)
2745                .try_to_scalar_value(&ConcreteDataType::uint64_datatype())
2746                .unwrap()
2747        );
2748        assert_eq!(
2749            ScalarValue::Int8(Some(i8::MIN + 4)),
2750            Value::Int8(i8::MIN + 4)
2751                .try_to_scalar_value(&ConcreteDataType::int8_datatype())
2752                .unwrap()
2753        );
2754        assert_eq!(
2755            ScalarValue::Int16(Some(i16::MIN + 5)),
2756            Value::Int16(i16::MIN + 5)
2757                .try_to_scalar_value(&ConcreteDataType::int16_datatype())
2758                .unwrap()
2759        );
2760        assert_eq!(
2761            ScalarValue::Int32(Some(i32::MIN + 6)),
2762            Value::Int32(i32::MIN + 6)
2763                .try_to_scalar_value(&ConcreteDataType::int32_datatype())
2764                .unwrap()
2765        );
2766        assert_eq!(
2767            ScalarValue::Int64(Some(i64::MIN + 7)),
2768            Value::Int64(i64::MIN + 7)
2769                .try_to_scalar_value(&ConcreteDataType::int64_datatype())
2770                .unwrap()
2771        );
2772        assert_eq!(
2773            ScalarValue::Float32(Some(8.0f32)),
2774            Value::Float32(OrderedFloat(8.0f32))
2775                .try_to_scalar_value(&ConcreteDataType::float32_datatype())
2776                .unwrap()
2777        );
2778        assert_eq!(
2779            ScalarValue::Float64(Some(9.0f64)),
2780            Value::Float64(OrderedFloat(9.0f64))
2781                .try_to_scalar_value(&ConcreteDataType::float64_datatype())
2782                .unwrap()
2783        );
2784        assert_eq!(
2785            ScalarValue::Utf8(Some("hello".to_string())),
2786            Value::String(StringBytes::from("hello"))
2787                .try_to_scalar_value(&ConcreteDataType::string_datatype(),)
2788                .unwrap()
2789        );
2790        assert_eq!(
2791            ScalarValue::Binary(Some("world".as_bytes().to_vec())),
2792            Value::Binary(Bytes::from("world".as_bytes()))
2793                .try_to_scalar_value(&ConcreteDataType::binary_datatype())
2794                .unwrap()
2795        );
2796
2797        let jsonb_value = jsonb::parse_value(r#"{"key": "value"}"#.as_bytes())
2798            .unwrap()
2799            .to_vec();
2800        assert_eq!(
2801            ScalarValue::Binary(Some(jsonb_value.clone())),
2802            Value::Binary(jsonb_value.into())
2803                .try_to_scalar_value(&ConcreteDataType::json_datatype())
2804                .unwrap()
2805        );
2806
2807        assert_eq!(
2808            build_scalar_struct_value(),
2809            Value::Struct(build_struct_value())
2810                .try_to_scalar_value(&ConcreteDataType::struct_datatype(build_struct_type()))
2811                .unwrap()
2812        );
2813
2814        assert_eq!(
2815            build_scalar_list_value(),
2816            Value::List(build_list_value())
2817                .try_to_scalar_value(&ConcreteDataType::list_datatype(Arc::new(
2818                    ConcreteDataType::boolean_datatype()
2819                )))
2820                .unwrap()
2821        );
2822    }
2823
2824    #[test]
2825    fn test_null_value_to_scalar_value() {
2826        assert_eq!(
2827            ScalarValue::Boolean(None),
2828            Value::Null
2829                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2830                .unwrap()
2831        );
2832        assert_eq!(
2833            ScalarValue::UInt8(None),
2834            Value::Null
2835                .try_to_scalar_value(&ConcreteDataType::uint8_datatype())
2836                .unwrap()
2837        );
2838        assert_eq!(
2839            ScalarValue::UInt16(None),
2840            Value::Null
2841                .try_to_scalar_value(&ConcreteDataType::uint16_datatype())
2842                .unwrap()
2843        );
2844        assert_eq!(
2845            ScalarValue::UInt32(None),
2846            Value::Null
2847                .try_to_scalar_value(&ConcreteDataType::uint32_datatype())
2848                .unwrap()
2849        );
2850        assert_eq!(
2851            ScalarValue::UInt64(None),
2852            Value::Null
2853                .try_to_scalar_value(&ConcreteDataType::uint64_datatype())
2854                .unwrap()
2855        );
2856        assert_eq!(
2857            ScalarValue::Int8(None),
2858            Value::Null
2859                .try_to_scalar_value(&ConcreteDataType::int8_datatype())
2860                .unwrap()
2861        );
2862        assert_eq!(
2863            ScalarValue::Int16(None),
2864            Value::Null
2865                .try_to_scalar_value(&ConcreteDataType::int16_datatype())
2866                .unwrap()
2867        );
2868        assert_eq!(
2869            ScalarValue::Int32(None),
2870            Value::Null
2871                .try_to_scalar_value(&ConcreteDataType::int32_datatype())
2872                .unwrap()
2873        );
2874        assert_eq!(
2875            ScalarValue::Int64(None),
2876            Value::Null
2877                .try_to_scalar_value(&ConcreteDataType::int64_datatype())
2878                .unwrap()
2879        );
2880        assert_eq!(
2881            ScalarValue::Float32(None),
2882            Value::Null
2883                .try_to_scalar_value(&ConcreteDataType::float32_datatype())
2884                .unwrap()
2885        );
2886        assert_eq!(
2887            ScalarValue::Float64(None),
2888            Value::Null
2889                .try_to_scalar_value(&ConcreteDataType::float64_datatype())
2890                .unwrap()
2891        );
2892        assert_eq!(
2893            ScalarValue::Utf8(None),
2894            Value::Null
2895                .try_to_scalar_value(&ConcreteDataType::string_datatype())
2896                .unwrap()
2897        );
2898        assert_eq!(
2899            ScalarValue::Binary(None),
2900            Value::Null
2901                .try_to_scalar_value(&ConcreteDataType::binary_datatype())
2902                .unwrap()
2903        );
2904
2905        assert_eq!(
2906            ScalarValue::Time32Second(None),
2907            Value::Null
2908                .try_to_scalar_value(&ConcreteDataType::time_second_datatype())
2909                .unwrap()
2910        );
2911        assert_eq!(
2912            ScalarValue::Time32Millisecond(None),
2913            Value::Null
2914                .try_to_scalar_value(&ConcreteDataType::time_millisecond_datatype())
2915                .unwrap()
2916        );
2917        assert_eq!(
2918            ScalarValue::Time64Microsecond(None),
2919            Value::Null
2920                .try_to_scalar_value(&ConcreteDataType::time_microsecond_datatype())
2921                .unwrap()
2922        );
2923        assert_eq!(
2924            ScalarValue::Time64Nanosecond(None),
2925            Value::Null
2926                .try_to_scalar_value(&ConcreteDataType::time_nanosecond_datatype())
2927                .unwrap()
2928        );
2929
2930        assert_eq!(
2931            ScalarValue::DurationSecond(None),
2932            Value::Null
2933                .try_to_scalar_value(&ConcreteDataType::duration_second_datatype())
2934                .unwrap()
2935        );
2936        assert_eq!(
2937            ScalarValue::DurationMillisecond(None),
2938            Value::Null
2939                .try_to_scalar_value(&ConcreteDataType::duration_millisecond_datatype())
2940                .unwrap()
2941        );
2942        assert_eq!(
2943            ScalarValue::DurationMicrosecond(None),
2944            Value::Null
2945                .try_to_scalar_value(&ConcreteDataType::duration_microsecond_datatype())
2946                .unwrap()
2947        );
2948        assert_eq!(
2949            ScalarValue::DurationNanosecond(None),
2950            Value::Null
2951                .try_to_scalar_value(&ConcreteDataType::duration_nanosecond_datatype())
2952                .unwrap()
2953        );
2954        assert_eq!(
2955            ScalarValue::Binary(None),
2956            Value::Null
2957                .try_to_scalar_value(&ConcreteDataType::json_datatype())
2958                .unwrap()
2959        );
2960
2961        assert_eq!(
2962            ScalarValue::new_null_list(ArrowDataType::Boolean, true, 1),
2963            Value::Null
2964                .try_to_scalar_value(&ConcreteDataType::list_datatype(Arc::new(
2965                    ConcreteDataType::boolean_datatype()
2966                )))
2967                .unwrap()
2968        );
2969
2970        assert_eq!(
2971            ScalarStructBuilder::new_null(build_struct_type().as_arrow_fields()),
2972            Value::Null
2973                .try_to_scalar_value(&ConcreteDataType::struct_datatype(build_struct_type()))
2974                .unwrap()
2975        );
2976    }
2977
2978    #[test]
2979    fn test_list_value_to_scalar_value() {
2980        let items = vec![Value::Int32(-1), Value::Null];
2981        let item_type = Arc::new(ConcreteDataType::int32_datatype());
2982        let list = Value::List(ListValue::new(items, item_type.clone()));
2983        let df_list = list
2984            .try_to_scalar_value(&ConcreteDataType::list_datatype(item_type.clone()))
2985            .unwrap();
2986        assert!(matches!(df_list, ScalarValue::List(_)));
2987        match df_list {
2988            ScalarValue::List(vs) => {
2989                assert_eq!(
2990                    ArrowDataType::List(Arc::new(Field::new_list_field(
2991                        ArrowDataType::Int32,
2992                        true
2993                    ))),
2994                    *vs.data_type()
2995                );
2996
2997                let vs = ScalarValue::convert_array_to_scalar_vec(vs.as_ref())
2998                    .unwrap()
2999                    .into_iter()
3000                    .flatten()
3001                    .flatten()
3002                    .collect::<Vec<_>>();
3003                assert_eq!(
3004                    vs,
3005                    vec![ScalarValue::Int32(Some(-1)), ScalarValue::Int32(None)]
3006                );
3007            }
3008            _ => unreachable!(),
3009        }
3010    }
3011
3012    #[test]
3013    fn test_struct_value_to_scalar_value() {
3014        let struct_value = build_struct_value();
3015        let scalar_value = struct_value
3016            .try_to_scalar_value(&build_struct_type())
3017            .unwrap();
3018
3019        assert_eq!(scalar_value, build_scalar_struct_value());
3020
3021        assert!(matches!(scalar_value, ScalarValue::Struct(_)));
3022        match scalar_value {
3023            ScalarValue::Struct(values) => {
3024                assert_eq!(&build_struct_type().as_arrow_fields(), values.fields());
3025
3026                assert_eq!(
3027                    ScalarValue::try_from_array(values.column(0), 0).unwrap(),
3028                    ScalarValue::Int32(Some(1))
3029                );
3030                assert_eq!(
3031                    ScalarValue::try_from_array(values.column(1), 0).unwrap(),
3032                    ScalarValue::Utf8(Some("tom".into()))
3033                );
3034                assert_eq!(
3035                    ScalarValue::try_from_array(values.column(2), 0).unwrap(),
3036                    ScalarValue::UInt8(Some(25))
3037                );
3038                assert_eq!(
3039                    ScalarValue::try_from_array(values.column(3), 0).unwrap(),
3040                    ScalarValue::Utf8(Some("94038".into()))
3041                );
3042            }
3043            _ => panic!("Unexpected value type"),
3044        }
3045    }
3046
3047    #[test]
3048    fn test_timestamp_to_scalar_value() {
3049        assert_eq!(
3050            ScalarValue::TimestampSecond(Some(1), None),
3051            timestamp_to_scalar_value(TimeUnit::Second, Some(1))
3052        );
3053        assert_eq!(
3054            ScalarValue::TimestampMillisecond(Some(1), None),
3055            timestamp_to_scalar_value(TimeUnit::Millisecond, Some(1))
3056        );
3057        assert_eq!(
3058            ScalarValue::TimestampMicrosecond(Some(1), None),
3059            timestamp_to_scalar_value(TimeUnit::Microsecond, Some(1))
3060        );
3061        assert_eq!(
3062            ScalarValue::TimestampNanosecond(Some(1), None),
3063            timestamp_to_scalar_value(TimeUnit::Nanosecond, Some(1))
3064        );
3065    }
3066
3067    #[test]
3068    fn test_time_to_scalar_value() {
3069        assert_eq!(
3070            ScalarValue::Time32Second(Some(1)),
3071            time_to_scalar_value(TimeUnit::Second, Some(1)).unwrap()
3072        );
3073        assert_eq!(
3074            ScalarValue::Time32Millisecond(Some(1)),
3075            time_to_scalar_value(TimeUnit::Millisecond, Some(1)).unwrap()
3076        );
3077        assert_eq!(
3078            ScalarValue::Time64Microsecond(Some(1)),
3079            time_to_scalar_value(TimeUnit::Microsecond, Some(1)).unwrap()
3080        );
3081        assert_eq!(
3082            ScalarValue::Time64Nanosecond(Some(1)),
3083            time_to_scalar_value(TimeUnit::Nanosecond, Some(1)).unwrap()
3084        );
3085    }
3086
3087    #[test]
3088    fn test_duration_to_scalar_value() {
3089        assert_eq!(
3090            ScalarValue::DurationSecond(Some(1)),
3091            duration_to_scalar_value(TimeUnit::Second, Some(1))
3092        );
3093        assert_eq!(
3094            ScalarValue::DurationMillisecond(Some(1)),
3095            duration_to_scalar_value(TimeUnit::Millisecond, Some(1))
3096        );
3097        assert_eq!(
3098            ScalarValue::DurationMicrosecond(Some(1)),
3099            duration_to_scalar_value(TimeUnit::Microsecond, Some(1))
3100        );
3101        assert_eq!(
3102            ScalarValue::DurationNanosecond(Some(1)),
3103            duration_to_scalar_value(TimeUnit::Nanosecond, Some(1))
3104        );
3105    }
3106
3107    fn check_value_ref_size_eq(value_ref: &ValueRef, size: usize) {
3108        assert_eq!(value_ref.data_size(), size);
3109    }
3110
3111    #[test]
3112    fn test_value_ref_estimated_size() {
3113        check_value_ref_size_eq(&ValueRef::Null, 8);
3114        check_value_ref_size_eq(&ValueRef::Boolean(true), 1);
3115        check_value_ref_size_eq(&ValueRef::UInt8(1), 1);
3116        check_value_ref_size_eq(&ValueRef::UInt16(1), 2);
3117        check_value_ref_size_eq(&ValueRef::UInt32(1), 4);
3118        check_value_ref_size_eq(&ValueRef::UInt64(1), 8);
3119        check_value_ref_size_eq(&ValueRef::Int8(1), 1);
3120        check_value_ref_size_eq(&ValueRef::Int16(1), 2);
3121        check_value_ref_size_eq(&ValueRef::Int32(1), 4);
3122        check_value_ref_size_eq(&ValueRef::Int64(1), 8);
3123        check_value_ref_size_eq(&ValueRef::Float32(1.0.into()), 4);
3124        check_value_ref_size_eq(&ValueRef::Float64(1.0.into()), 8);
3125        check_value_ref_size_eq(&ValueRef::String("greptimedb"), 10);
3126        check_value_ref_size_eq(&ValueRef::Binary(b"greptimedb"), 10);
3127        check_value_ref_size_eq(&ValueRef::Date(Date::new(1)), 4);
3128        check_value_ref_size_eq(&ValueRef::Timestamp(Timestamp::new_millisecond(1)), 16);
3129        check_value_ref_size_eq(&ValueRef::Time(Time::new_millisecond(1)), 16);
3130        check_value_ref_size_eq(&ValueRef::IntervalYearMonth(IntervalYearMonth::new(1)), 4);
3131        check_value_ref_size_eq(&ValueRef::IntervalDayTime(IntervalDayTime::new(1, 2)), 8);
3132        check_value_ref_size_eq(
3133            &ValueRef::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 2, 3)),
3134            16,
3135        );
3136        check_value_ref_size_eq(&ValueRef::Duration(Duration::new_millisecond(1)), 16);
3137        check_value_ref_size_eq(
3138            &ValueRef::List(ListValueRef::Ref {
3139                val: &ListValue {
3140                    items: vec![
3141                        Value::String("hello world".into()),
3142                        Value::String("greptimedb".into()),
3143                    ],
3144                    datatype: Arc::new(ConcreteDataType::string_datatype()),
3145                },
3146            }),
3147            30,
3148        );
3149
3150        let data = vec![
3151            Some(vec![Some(1), Some(2), Some(3)]),
3152            None,
3153            Some(vec![Some(4), None, Some(6)]),
3154        ];
3155        let item_type = Arc::new(ConcreteDataType::int32_datatype());
3156        let mut builder = ListVectorBuilder::with_type_capacity(item_type.clone(), 8);
3157        for vec_opt in &data {
3158            if let Some(vec) = vec_opt {
3159                let values = vec.iter().map(|v| Value::from(*v)).collect();
3160                let list_value = ListValue::new(values, item_type.clone());
3161
3162                builder.push(Some(ListValueRef::Ref { val: &list_value }));
3163            } else {
3164                builder.push(None);
3165            }
3166        }
3167        let vector = builder.finish();
3168
3169        check_value_ref_size_eq(
3170            &ValueRef::List(ListValueRef::Indexed {
3171                vector: &vector,
3172                idx: 0,
3173            }),
3174            74,
3175        );
3176        check_value_ref_size_eq(
3177            &ValueRef::List(ListValueRef::Indexed {
3178                vector: &vector,
3179                idx: 1,
3180            }),
3181            74,
3182        );
3183        check_value_ref_size_eq(
3184            &ValueRef::List(ListValueRef::Indexed {
3185                vector: &vector,
3186                idx: 2,
3187            }),
3188            74,
3189        );
3190        check_value_ref_size_eq(&ValueRef::Decimal128(Decimal128::new(1234, 3, 1)), 32);
3191
3192        check_value_ref_size_eq(
3193            &ValueRef::Struct(StructValueRef::Ref(&build_struct_value())),
3194            31,
3195        );
3196
3197        check_value_ref_size_eq(
3198            &ValueRef::Json(Box::new(
3199                [
3200                    ("id", JsonVariantRef::from(1i64)),
3201                    ("name", "tom".into()),
3202                    ("age", 25u64.into()),
3203                    ("address", "94038".into()),
3204                    ("awards", [true, false].into()),
3205                ]
3206                .into(),
3207            )),
3208            48,
3209        );
3210    }
3211
3212    #[test]
3213    fn test_incorrect_default_value_issue_3479() {
3214        let value = OrderedF64::from(0.047318541668048164);
3215        let serialized = serde_json::to_string(&value).unwrap();
3216        let deserialized: OrderedF64 = serde_json::from_str(&serialized).unwrap();
3217        assert_eq!(value, deserialized);
3218    }
3219}
datatypes/value.rs

datatypes/
value.rs
