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 items = ScalarValue::convert_array_to_scalar_vec(array.as_ref())
1149                    .context(ConvertArrowArrayToScalarsSnafu)?
1150                    .into_iter()
1151                    .flatten()
1152                    .map(|x| x.try_into())
1153                    .collect::<Result<Vec<Value>>>()?;
1154                Value::List(ListValue::new(items, Arc::new(datatype)))
1155            }
1156            ScalarValue::Date32(d) => d.map(|x| Value::Date(Date::new(x))).unwrap_or(Value::Null),
1157            ScalarValue::TimestampSecond(t, _) => t
1158                .map(|x| Value::Timestamp(Timestamp::new(x, TimeUnit::Second)))
1159                .unwrap_or(Value::Null),
1160            ScalarValue::TimestampMillisecond(t, _) => t
1161                .map(|x| Value::Timestamp(Timestamp::new(x, TimeUnit::Millisecond)))
1162                .unwrap_or(Value::Null),
1163            ScalarValue::TimestampMicrosecond(t, _) => t
1164                .map(|x| Value::Timestamp(Timestamp::new(x, TimeUnit::Microsecond)))
1165                .unwrap_or(Value::Null),
1166            ScalarValue::TimestampNanosecond(t, _) => t
1167                .map(|x| Value::Timestamp(Timestamp::new(x, TimeUnit::Nanosecond)))
1168                .unwrap_or(Value::Null),
1169            ScalarValue::Time32Second(t) => t
1170                .map(|x| Value::Time(Time::new(x as i64, TimeUnit::Second)))
1171                .unwrap_or(Value::Null),
1172            ScalarValue::Time32Millisecond(t) => t
1173                .map(|x| Value::Time(Time::new(x as i64, TimeUnit::Millisecond)))
1174                .unwrap_or(Value::Null),
1175            ScalarValue::Time64Microsecond(t) => t
1176                .map(|x| Value::Time(Time::new(x, TimeUnit::Microsecond)))
1177                .unwrap_or(Value::Null),
1178            ScalarValue::Time64Nanosecond(t) => t
1179                .map(|x| Value::Time(Time::new(x, TimeUnit::Nanosecond)))
1180                .unwrap_or(Value::Null),
1181
1182            ScalarValue::IntervalYearMonth(t) => t
1183                .map(|x| Value::IntervalYearMonth(IntervalYearMonth::from_i32(x)))
1184                .unwrap_or(Value::Null),
1185            ScalarValue::IntervalDayTime(t) => t
1186                .map(|x| Value::IntervalDayTime(IntervalDayTime::from(x)))
1187                .unwrap_or(Value::Null),
1188            ScalarValue::IntervalMonthDayNano(t) => t
1189                .map(|x| Value::IntervalMonthDayNano(IntervalMonthDayNano::from(x)))
1190                .unwrap_or(Value::Null),
1191            ScalarValue::DurationSecond(d) => d
1192                .map(|x| Value::Duration(Duration::new(x, TimeUnit::Second)))
1193                .unwrap_or(Value::Null),
1194            ScalarValue::DurationMillisecond(d) => d
1195                .map(|x| Value::Duration(Duration::new(x, TimeUnit::Millisecond)))
1196                .unwrap_or(Value::Null),
1197            ScalarValue::DurationMicrosecond(d) => d
1198                .map(|x| Value::Duration(Duration::new(x, TimeUnit::Microsecond)))
1199                .unwrap_or(Value::Null),
1200            ScalarValue::DurationNanosecond(d) => d
1201                .map(|x| Value::Duration(Duration::new(x, TimeUnit::Nanosecond)))
1202                .unwrap_or(Value::Null),
1203            ScalarValue::Decimal128(v, p, s) => v
1204                .map(|v| Value::Decimal128(Decimal128::new(v, p, s)))
1205                .unwrap_or(Value::Null),
1206            ScalarValue::Struct(struct_array) => {
1207                let struct_type: StructType = (struct_array.fields()).try_into()?;
1208                let items = struct_array
1209                    .columns()
1210                    .iter()
1211                    .map(|array| {
1212                        // we only take first element from each array
1213                        let field_scalar_value = ScalarValue::try_from_array(array.as_ref(), 0)
1214                            .context(ConvertArrowArrayToScalarsSnafu)?;
1215                        field_scalar_value.try_into()
1216                    })
1217                    .collect::<Result<Vec<Value>>>()?;
1218                Value::Struct(StructValue::try_new(items, struct_type)?)
1219            }
1220            ScalarValue::Decimal32(_, _, _)
1221            | ScalarValue::Decimal64(_, _, _)
1222            | ScalarValue::Decimal256(_, _, _)
1223            | ScalarValue::FixedSizeList(_)
1224            | ScalarValue::LargeList(_)
1225            | ScalarValue::Dictionary(_, _)
1226            | ScalarValue::Union(_, _, _)
1227            | ScalarValue::Float16(_)
1228            | ScalarValue::Utf8View(_)
1229            | ScalarValue::BinaryView(_)
1230            | ScalarValue::Map(_)
1231            | ScalarValue::Date64(_) => {
1232                return error::UnsupportedArrowTypeSnafu {
1233                    arrow_type: v.data_type(),
1234                }
1235                .fail();
1236            }
1237        };
1238        Ok(v)
1239    }
1240}
1241
1242impl From<ValueRef<'_>> for Value {
1243    fn from(value: ValueRef<'_>) -> Self {
1244        match value {
1245            ValueRef::Null => Value::Null,
1246            ValueRef::Boolean(v) => Value::Boolean(v),
1247            ValueRef::UInt8(v) => Value::UInt8(v),
1248            ValueRef::UInt16(v) => Value::UInt16(v),
1249            ValueRef::UInt32(v) => Value::UInt32(v),
1250            ValueRef::UInt64(v) => Value::UInt64(v),
1251            ValueRef::Int8(v) => Value::Int8(v),
1252            ValueRef::Int16(v) => Value::Int16(v),
1253            ValueRef::Int32(v) => Value::Int32(v),
1254            ValueRef::Int64(v) => Value::Int64(v),
1255            ValueRef::Float32(v) => Value::Float32(v),
1256            ValueRef::Float64(v) => Value::Float64(v),
1257            ValueRef::String(v) => Value::String(v.into()),
1258            ValueRef::Binary(v) => Value::Binary(v.into()),
1259            ValueRef::Date(v) => Value::Date(v),
1260            ValueRef::Timestamp(v) => Value::Timestamp(v),
1261            ValueRef::Time(v) => Value::Time(v),
1262            ValueRef::IntervalYearMonth(v) => Value::IntervalYearMonth(v),
1263            ValueRef::IntervalDayTime(v) => Value::IntervalDayTime(v),
1264            ValueRef::IntervalMonthDayNano(v) => Value::IntervalMonthDayNano(v),
1265            ValueRef::Duration(v) => Value::Duration(v),
1266            ValueRef::List(v) => v.to_value(),
1267            ValueRef::Decimal128(v) => Value::Decimal128(v),
1268            ValueRef::Struct(v) => v.to_value(),
1269            ValueRef::Json(v) => Value::Json(Box::new(JsonValue::from(*v))),
1270        }
1271    }
1272}
1273
1274/// Reference to [Value].
1275#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
1276pub enum ValueRef<'a> {
1277    Null,
1278
1279    // Numeric types:
1280    Boolean(bool),
1281    UInt8(u8),
1282    UInt16(u16),
1283    UInt32(u32),
1284    UInt64(u64),
1285    Int8(i8),
1286    Int16(i16),
1287    Int32(i32),
1288    Int64(i64),
1289    Float32(OrderedF32),
1290    Float64(OrderedF64),
1291
1292    // Decimal type:
1293    Decimal128(Decimal128),
1294
1295    // String types:
1296    String(&'a str),
1297    Binary(&'a [u8]),
1298
1299    // Date & Time types:
1300    Date(Date),
1301    Timestamp(Timestamp),
1302    Time(Time),
1303    Duration(Duration),
1304    // Interval types:
1305    IntervalYearMonth(IntervalYearMonth),
1306    IntervalDayTime(IntervalDayTime),
1307    IntervalMonthDayNano(IntervalMonthDayNano),
1308
1309    // Compound types:
1310    List(ListValueRef<'a>),
1311    Struct(StructValueRef<'a>),
1312
1313    Json(Box<JsonValueRef<'a>>),
1314}
1315
1316macro_rules! impl_as_for_value_ref {
1317    ($value: ident, $Variant: ident) => {
1318        match $value {
1319            ValueRef::Null => Ok(None),
1320            ValueRef::$Variant(v) => Ok(Some(v.clone())),
1321            other => error::CastTypeSnafu {
1322                msg: format!(
1323                    "Failed to cast value ref {:?} to {}",
1324                    other,
1325                    stringify!($Variant)
1326                ),
1327            }
1328            .fail(),
1329        }
1330    };
1331}
1332
1333impl<'a> ValueRef<'a> {
1334    define_data_type_func!(ValueRef);
1335
1336    /// Returns true if this is null.
1337    pub fn is_null(&self) -> bool {
1338        match self {
1339            ValueRef::Null => true,
1340            ValueRef::Json(v) => v.is_null(),
1341            _ => false,
1342        }
1343    }
1344
1345    /// Cast itself to binary slice.
1346    pub fn try_into_binary(&self) -> Result<Option<&'a [u8]>> {
1347        impl_as_for_value_ref!(self, Binary)
1348    }
1349
1350    /// Cast itself to string slice.
1351    pub fn try_into_string(&self) -> Result<Option<&'a str>> {
1352        impl_as_for_value_ref!(self, String)
1353    }
1354
1355    /// Cast itself to boolean.
1356    pub fn try_into_boolean(&self) -> Result<Option<bool>> {
1357        impl_as_for_value_ref!(self, Boolean)
1358    }
1359
1360    pub fn try_into_i8(&self) -> Result<Option<i8>> {
1361        impl_as_for_value_ref!(self, Int8)
1362    }
1363
1364    pub fn try_into_u8(&self) -> Result<Option<u8>> {
1365        impl_as_for_value_ref!(self, UInt8)
1366    }
1367
1368    pub fn try_into_i16(&self) -> Result<Option<i16>> {
1369        impl_as_for_value_ref!(self, Int16)
1370    }
1371
1372    pub fn try_into_u16(&self) -> Result<Option<u16>> {
1373        impl_as_for_value_ref!(self, UInt16)
1374    }
1375
1376    pub fn try_into_i32(&self) -> Result<Option<i32>> {
1377        impl_as_for_value_ref!(self, Int32)
1378    }
1379
1380    pub fn try_into_u32(&self) -> Result<Option<u32>> {
1381        impl_as_for_value_ref!(self, UInt32)
1382    }
1383
1384    pub fn try_into_i64(&self) -> Result<Option<i64>> {
1385        impl_as_for_value_ref!(self, Int64)
1386    }
1387
1388    pub fn try_into_u64(&self) -> Result<Option<u64>> {
1389        impl_as_for_value_ref!(self, UInt64)
1390    }
1391
1392    pub fn try_into_f32(&self) -> Result<Option<f32>> {
1393        match self {
1394            ValueRef::Null => Ok(None),
1395            ValueRef::Float32(f) => Ok(Some(f.0)),
1396            ValueRef::Json(v) => Ok(v.as_f32()),
1397            other => error::CastTypeSnafu {
1398                msg: format!("Failed to cast value ref {:?} to ValueRef::Float32", other,),
1399            }
1400            .fail(),
1401        }
1402    }
1403
1404    pub fn try_into_f64(&self) -> Result<Option<f64>> {
1405        match self {
1406            ValueRef::Null => Ok(None),
1407            ValueRef::Float64(f) => Ok(Some(f.0)),
1408            ValueRef::Json(v) => Ok(v.as_f64()),
1409            other => error::CastTypeSnafu {
1410                msg: format!("Failed to cast value ref {:?} to ValueRef::Float64", other,),
1411            }
1412            .fail(),
1413        }
1414    }
1415
1416    /// Cast itself to [Date].
1417    pub fn try_into_date(&self) -> Result<Option<Date>> {
1418        impl_as_for_value_ref!(self, Date)
1419    }
1420
1421    /// Cast itself to [Timestamp].
1422    pub fn try_into_timestamp(&self) -> Result<Option<Timestamp>> {
1423        impl_as_for_value_ref!(self, Timestamp)
1424    }
1425
1426    /// Cast itself to [Time].
1427    pub fn try_into_time(&self) -> Result<Option<Time>> {
1428        impl_as_for_value_ref!(self, Time)
1429    }
1430
1431    pub fn try_into_duration(&self) -> Result<Option<Duration>> {
1432        impl_as_for_value_ref!(self, Duration)
1433    }
1434
1435    /// Cast itself to [IntervalYearMonth].
1436    pub fn try_into_interval_year_month(&self) -> Result<Option<IntervalYearMonth>> {
1437        impl_as_for_value_ref!(self, IntervalYearMonth)
1438    }
1439
1440    /// Cast itself to [IntervalDayTime].
1441    pub fn try_into_interval_day_time(&self) -> Result<Option<IntervalDayTime>> {
1442        impl_as_for_value_ref!(self, IntervalDayTime)
1443    }
1444
1445    /// Cast itself to [IntervalMonthDayNano].
1446    pub fn try_into_interval_month_day_nano(&self) -> Result<Option<IntervalMonthDayNano>> {
1447        impl_as_for_value_ref!(self, IntervalMonthDayNano)
1448    }
1449
1450    /// Cast itself to [ListValueRef].
1451    pub fn try_into_list(&self) -> Result<Option<ListValueRef<'_>>> {
1452        impl_as_for_value_ref!(self, List)
1453    }
1454
1455    /// Cast itself to [StructValueRef].
1456    pub fn try_into_struct(&self) -> Result<Option<StructValueRef<'_>>> {
1457        impl_as_for_value_ref!(self, Struct)
1458    }
1459
1460    /// Cast itself to [Decimal128].
1461    pub fn try_into_decimal128(&self) -> Result<Option<Decimal128>> {
1462        impl_as_for_value_ref!(self, Decimal128)
1463    }
1464}
1465
1466impl PartialOrd for ValueRef<'_> {
1467    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1468        Some(self.cmp(other))
1469    }
1470}
1471
1472impl Ord for ValueRef<'_> {
1473    fn cmp(&self, other: &Self) -> Ordering {
1474        impl_ord_for_value_like!(ValueRef, self, other)
1475    }
1476}
1477
1478macro_rules! impl_value_ref_from {
1479    ($Variant:ident, $Type:ident) => {
1480        impl From<$Type> for ValueRef<'_> {
1481            fn from(value: $Type) -> Self {
1482                ValueRef::$Variant(value.into())
1483            }
1484        }
1485
1486        impl From<Option<$Type>> for ValueRef<'_> {
1487            fn from(value: Option<$Type>) -> Self {
1488                match value {
1489                    Some(v) => ValueRef::$Variant(v.into()),
1490                    None => ValueRef::Null,
1491                }
1492            }
1493        }
1494    };
1495}
1496
1497impl_value_ref_from!(Boolean, bool);
1498impl_value_ref_from!(UInt8, u8);
1499impl_value_ref_from!(UInt16, u16);
1500impl_value_ref_from!(UInt32, u32);
1501impl_value_ref_from!(UInt64, u64);
1502impl_value_ref_from!(Int8, i8);
1503impl_value_ref_from!(Int16, i16);
1504impl_value_ref_from!(Int32, i32);
1505impl_value_ref_from!(Int64, i64);
1506impl_value_ref_from!(Float32, f32);
1507impl_value_ref_from!(Float64, f64);
1508impl_value_ref_from!(Date, Date);
1509impl_value_ref_from!(Timestamp, Timestamp);
1510impl_value_ref_from!(Time, Time);
1511impl_value_ref_from!(IntervalYearMonth, IntervalYearMonth);
1512impl_value_ref_from!(IntervalDayTime, IntervalDayTime);
1513impl_value_ref_from!(IntervalMonthDayNano, IntervalMonthDayNano);
1514impl_value_ref_from!(Duration, Duration);
1515impl_value_ref_from!(Decimal128, Decimal128);
1516
1517impl<'a> From<&'a str> for ValueRef<'a> {
1518    fn from(string: &'a str) -> ValueRef<'a> {
1519        ValueRef::String(string)
1520    }
1521}
1522
1523impl<'a> From<&'a [u8]> for ValueRef<'a> {
1524    fn from(bytes: &'a [u8]) -> ValueRef<'a> {
1525        ValueRef::Binary(bytes)
1526    }
1527}
1528
1529impl<'a> From<Option<ListValueRef<'a>>> for ValueRef<'a> {
1530    fn from(list: Option<ListValueRef>) -> ValueRef {
1531        match list {
1532            Some(v) => ValueRef::List(v),
1533            None => ValueRef::Null,
1534        }
1535    }
1536}
1537
1538/// Reference to a [ListValue].
1539///
1540/// Now comparison still requires some allocation (call of `to_value()`) and
1541/// might be avoidable by downcasting and comparing the underlying array slice
1542/// if it becomes bottleneck.
1543#[derive(Debug, Clone)]
1544pub enum ListValueRef<'a> {
1545    // TODO(yingwen): Consider replace this by VectorRef.
1546    Indexed {
1547        vector: &'a ListVector,
1548        idx: usize,
1549    },
1550    Ref {
1551        val: &'a ListValue,
1552    },
1553    RefList {
1554        val: Vec<ValueRef<'a>>,
1555        item_datatype: Arc<ConcreteDataType>,
1556    },
1557}
1558
1559impl ListValueRef<'_> {
1560    /// Convert self to [Value]. This method would clone the underlying data.
1561    fn to_value(&self) -> Value {
1562        match self {
1563            ListValueRef::Indexed { vector, idx } => vector.get(*idx),
1564            ListValueRef::Ref { val } => Value::List((*val).clone()),
1565            ListValueRef::RefList { val, item_datatype } => Value::List(ListValue::new(
1566                val.iter().map(|v| Value::from(v.clone())).collect(),
1567                item_datatype.clone(),
1568            )),
1569        }
1570    }
1571    /// Returns the inner element's data type.
1572    fn datatype(&self) -> Arc<ConcreteDataType> {
1573        match self {
1574            ListValueRef::Indexed { vector, .. } => vector.item_type(),
1575            ListValueRef::Ref { val } => val.datatype().clone(),
1576            ListValueRef::RefList { item_datatype, .. } => item_datatype.clone(),
1577        }
1578    }
1579}
1580
1581impl Serialize for ListValueRef<'_> {
1582    fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
1583        match self {
1584            ListValueRef::Indexed { vector, idx } => match vector.get(*idx) {
1585                Value::List(v) => v.serialize(serializer),
1586                _ => unreachable!(),
1587            },
1588            ListValueRef::Ref { val } => val.serialize(serializer),
1589            ListValueRef::RefList { val, .. } => val.serialize(serializer),
1590        }
1591    }
1592}
1593
1594impl PartialEq for ListValueRef<'_> {
1595    fn eq(&self, other: &Self) -> bool {
1596        self.to_value().eq(&other.to_value())
1597    }
1598}
1599
1600impl Eq for ListValueRef<'_> {}
1601
1602impl Ord for ListValueRef<'_> {
1603    fn cmp(&self, other: &Self) -> Ordering {
1604        // Respect the order of `Value` by converting into value before comparison.
1605        self.to_value().cmp(&other.to_value())
1606    }
1607}
1608
1609impl PartialOrd for ListValueRef<'_> {
1610    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1611        Some(self.cmp(other))
1612    }
1613}
1614
1615#[derive(Debug, Clone)]
1616pub enum StructValueRef<'a> {
1617    Indexed {
1618        vector: &'a StructVector,
1619        idx: usize,
1620    },
1621    Ref(&'a StructValue),
1622    RefList {
1623        val: Vec<ValueRef<'a>>,
1624        fields: StructType,
1625    },
1626}
1627
1628impl<'a> StructValueRef<'a> {
1629    pub fn to_value(&self) -> Value {
1630        match self {
1631            StructValueRef::Indexed { vector, idx } => vector.get(*idx),
1632            StructValueRef::Ref(val) => Value::Struct((*val).clone()),
1633            StructValueRef::RefList { val, fields } => {
1634                let items = val.iter().map(|v| Value::from(v.clone())).collect();
1635                Value::Struct(StructValue::try_new(items, fields.clone()).unwrap())
1636            }
1637        }
1638    }
1639
1640    pub fn struct_type(&self) -> &StructType {
1641        match self {
1642            StructValueRef::Indexed { vector, .. } => vector.struct_type(),
1643            StructValueRef::Ref(val) => val.struct_type(),
1644            StructValueRef::RefList { fields, .. } => fields,
1645        }
1646    }
1647}
1648
1649impl Serialize for StructValueRef<'_> {
1650    fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
1651        match self {
1652            StructValueRef::Indexed { vector, idx } => match vector.get(*idx) {
1653                Value::Struct(v) => v.serialize(serializer),
1654                _ => unreachable!(),
1655            },
1656            StructValueRef::Ref(val) => val.serialize(serializer),
1657            StructValueRef::RefList { val, .. } => val.serialize(serializer),
1658        }
1659    }
1660}
1661
1662impl PartialEq for StructValueRef<'_> {
1663    fn eq(&self, other: &Self) -> bool {
1664        self.to_value().eq(&other.to_value())
1665    }
1666}
1667
1668impl Eq for StructValueRef<'_> {}
1669
1670impl Ord for StructValueRef<'_> {
1671    fn cmp(&self, other: &Self) -> Ordering {
1672        // Respect the order of `Value` by converting into value before comparison.
1673        self.to_value().cmp(&other.to_value())
1674    }
1675}
1676
1677impl PartialOrd for StructValueRef<'_> {
1678    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
1679        Some(self.cmp(other))
1680    }
1681}
1682
1683impl ValueRef<'_> {
1684    /// Returns the size of the underlying data in bytes,
1685    /// The size is estimated and only considers the data size.
1686    pub fn data_size(&self) -> usize {
1687        match self {
1688            // Since the `Null` type is also considered to occupy space, we have opted to use the
1689            // size of `i64` as an initial approximation.
1690            ValueRef::Null => 8,
1691            ValueRef::Boolean(_) => 1,
1692            ValueRef::UInt8(_) => 1,
1693            ValueRef::UInt16(_) => 2,
1694            ValueRef::UInt32(_) => 4,
1695            ValueRef::UInt64(_) => 8,
1696            ValueRef::Int8(_) => 1,
1697            ValueRef::Int16(_) => 2,
1698            ValueRef::Int32(_) => 4,
1699            ValueRef::Int64(_) => 8,
1700            ValueRef::Float32(_) => 4,
1701            ValueRef::Float64(_) => 8,
1702            ValueRef::String(v) => std::mem::size_of_val(*v),
1703            ValueRef::Binary(v) => std::mem::size_of_val(*v),
1704            ValueRef::Date(_) => 4,
1705            ValueRef::Timestamp(_) => 16,
1706            ValueRef::Time(_) => 16,
1707            ValueRef::Duration(_) => 16,
1708            ValueRef::IntervalYearMonth(_) => 4,
1709            ValueRef::IntervalDayTime(_) => 8,
1710            ValueRef::IntervalMonthDayNano(_) => 16,
1711            ValueRef::Decimal128(_) => 32,
1712            ValueRef::List(v) => match v {
1713                ListValueRef::Indexed { vector, .. } => vector.memory_size() / vector.len(),
1714                ListValueRef::Ref { val } => val.estimated_size(),
1715                ListValueRef::RefList { val, .. } => {
1716                    val.iter().map(|v| v.data_size()).sum::<usize>()
1717                        + std::mem::size_of::<Arc<ConcreteDataType>>()
1718                }
1719            },
1720            ValueRef::Struct(val) => match val {
1721                StructValueRef::Indexed { vector, .. } => vector.memory_size() / vector.len(),
1722                StructValueRef::Ref(val) => val.estimated_size(),
1723                StructValueRef::RefList { val, .. } => {
1724                    val.iter().map(|v| v.data_size()).sum::<usize>()
1725                        + std::mem::size_of::<StructType>()
1726                }
1727            },
1728            ValueRef::Json(v) => v.data_size(),
1729        }
1730    }
1731}
1732
1733#[cfg(test)]
1734pub(crate) mod tests {
1735    use arrow::datatypes::{DataType as ArrowDataType, Field};
1736    use common_time::timezone::set_default_timezone;
1737    use num_traits::Float;
1738
1739    use super::*;
1740    use crate::json::value::{JsonVariant, JsonVariantRef};
1741    use crate::types::StructField;
1742    use crate::vectors::ListVectorBuilder;
1743
1744    pub(crate) fn build_struct_type() -> StructType {
1745        StructType::new(Arc::new(vec![
1746            StructField::new("id".to_string(), ConcreteDataType::int32_datatype(), false),
1747            StructField::new(
1748                "name".to_string(),
1749                ConcreteDataType::string_datatype(),
1750                true,
1751            ),
1752            StructField::new("age".to_string(), ConcreteDataType::uint8_datatype(), true),
1753            StructField::new(
1754                "address".to_string(),
1755                ConcreteDataType::string_datatype(),
1756                true,
1757            ),
1758            StructField::new(
1759                "awards".to_string(),
1760                ConcreteDataType::list_datatype(Arc::new(ConcreteDataType::boolean_datatype())),
1761                true,
1762            ),
1763        ]))
1764    }
1765
1766    pub(crate) fn build_struct_value() -> StructValue {
1767        let struct_type = build_struct_type();
1768
1769        let struct_items = vec![
1770            Value::Int32(1),
1771            Value::String("tom".into()),
1772            Value::UInt8(25),
1773            Value::String("94038".into()),
1774            Value::List(build_list_value()),
1775        ];
1776        StructValue::try_new(struct_items, struct_type).unwrap()
1777    }
1778
1779    pub(crate) fn build_scalar_struct_value() -> ScalarValue {
1780        let struct_type = build_struct_type();
1781        let arrays = vec![
1782            ScalarValue::Int32(Some(1)).to_array().unwrap(),
1783            ScalarValue::Utf8(Some("tom".into())).to_array().unwrap(),
1784            ScalarValue::UInt8(Some(25)).to_array().unwrap(),
1785            ScalarValue::Utf8(Some("94038".into())).to_array().unwrap(),
1786            build_scalar_list_value().to_array().unwrap(),
1787        ];
1788        let struct_arrow_array = StructArray::new(struct_type.as_arrow_fields(), arrays, None);
1789        ScalarValue::Struct(Arc::new(struct_arrow_array))
1790    }
1791
1792    pub fn build_list_type() -> ConcreteDataType {
1793        ConcreteDataType::list_datatype(Arc::new(ConcreteDataType::boolean_datatype()))
1794    }
1795
1796    pub(crate) fn build_list_value() -> ListValue {
1797        let items = vec![Value::Boolean(true), Value::Boolean(false)];
1798        ListValue::new(items, Arc::new(ConcreteDataType::boolean_datatype()))
1799    }
1800
1801    pub(crate) fn build_scalar_list_value() -> ScalarValue {
1802        let items = vec![
1803            ScalarValue::Boolean(Some(true)),
1804            ScalarValue::Boolean(Some(false)),
1805        ];
1806        ScalarValue::List(ScalarValue::new_list(&items, &ArrowDataType::Boolean, true))
1807    }
1808
1809    #[test]
1810    fn test_try_from_scalar_value() {
1811        assert_eq!(
1812            Value::Boolean(true),
1813            ScalarValue::Boolean(Some(true)).try_into().unwrap()
1814        );
1815        assert_eq!(
1816            Value::Boolean(false),
1817            ScalarValue::Boolean(Some(false)).try_into().unwrap()
1818        );
1819        assert_eq!(Value::Null, ScalarValue::Boolean(None).try_into().unwrap());
1820
1821        assert_eq!(
1822            Value::Float32(1.0f32.into()),
1823            ScalarValue::Float32(Some(1.0f32)).try_into().unwrap()
1824        );
1825        assert_eq!(Value::Null, ScalarValue::Float32(None).try_into().unwrap());
1826
1827        assert_eq!(
1828            Value::Float64(2.0f64.into()),
1829            ScalarValue::Float64(Some(2.0f64)).try_into().unwrap()
1830        );
1831        assert_eq!(Value::Null, ScalarValue::Float64(None).try_into().unwrap());
1832
1833        assert_eq!(
1834            Value::Int8(i8::MAX),
1835            ScalarValue::Int8(Some(i8::MAX)).try_into().unwrap()
1836        );
1837        assert_eq!(Value::Null, ScalarValue::Int8(None).try_into().unwrap());
1838
1839        assert_eq!(
1840            Value::Int16(i16::MAX),
1841            ScalarValue::Int16(Some(i16::MAX)).try_into().unwrap()
1842        );
1843        assert_eq!(Value::Null, ScalarValue::Int16(None).try_into().unwrap());
1844
1845        assert_eq!(
1846            Value::Int32(i32::MAX),
1847            ScalarValue::Int32(Some(i32::MAX)).try_into().unwrap()
1848        );
1849        assert_eq!(Value::Null, ScalarValue::Int32(None).try_into().unwrap());
1850
1851        assert_eq!(
1852            Value::Int64(i64::MAX),
1853            ScalarValue::Int64(Some(i64::MAX)).try_into().unwrap()
1854        );
1855        assert_eq!(Value::Null, ScalarValue::Int64(None).try_into().unwrap());
1856
1857        assert_eq!(
1858            Value::UInt8(u8::MAX),
1859            ScalarValue::UInt8(Some(u8::MAX)).try_into().unwrap()
1860        );
1861        assert_eq!(Value::Null, ScalarValue::UInt8(None).try_into().unwrap());
1862
1863        assert_eq!(
1864            Value::UInt16(u16::MAX),
1865            ScalarValue::UInt16(Some(u16::MAX)).try_into().unwrap()
1866        );
1867        assert_eq!(Value::Null, ScalarValue::UInt16(None).try_into().unwrap());
1868
1869        assert_eq!(
1870            Value::UInt32(u32::MAX),
1871            ScalarValue::UInt32(Some(u32::MAX)).try_into().unwrap()
1872        );
1873        assert_eq!(Value::Null, ScalarValue::UInt32(None).try_into().unwrap());
1874
1875        assert_eq!(
1876            Value::UInt64(u64::MAX),
1877            ScalarValue::UInt64(Some(u64::MAX)).try_into().unwrap()
1878        );
1879        assert_eq!(Value::Null, ScalarValue::UInt64(None).try_into().unwrap());
1880
1881        assert_eq!(
1882            Value::from("hello"),
1883            ScalarValue::Utf8(Some("hello".to_string()))
1884                .try_into()
1885                .unwrap()
1886        );
1887        assert_eq!(Value::Null, ScalarValue::Utf8(None).try_into().unwrap());
1888
1889        assert_eq!(
1890            Value::from("large_hello"),
1891            ScalarValue::LargeUtf8(Some("large_hello".to_string()))
1892                .try_into()
1893                .unwrap()
1894        );
1895        assert_eq!(
1896            Value::Null,
1897            ScalarValue::LargeUtf8(None).try_into().unwrap()
1898        );
1899
1900        assert_eq!(
1901            Value::from("world".as_bytes()),
1902            ScalarValue::Binary(Some("world".as_bytes().to_vec()))
1903                .try_into()
1904                .unwrap()
1905        );
1906        assert_eq!(Value::Null, ScalarValue::Binary(None).try_into().unwrap());
1907
1908        assert_eq!(
1909            Value::from("large_world".as_bytes()),
1910            ScalarValue::LargeBinary(Some("large_world".as_bytes().to_vec()))
1911                .try_into()
1912                .unwrap()
1913        );
1914        assert_eq!(
1915            Value::Null,
1916            ScalarValue::LargeBinary(None).try_into().unwrap()
1917        );
1918
1919        assert_eq!(
1920            Value::List(build_list_value()),
1921            build_scalar_list_value().try_into().unwrap()
1922        );
1923        assert_eq!(
1924            Value::List(ListValue::new(
1925                vec![],
1926                Arc::new(ConcreteDataType::uint32_datatype())
1927            )),
1928            ScalarValue::List(ScalarValue::new_list(&[], &ArrowDataType::UInt32, true))
1929                .try_into()
1930                .unwrap()
1931        );
1932
1933        assert_eq!(
1934            Value::Date(Date::new(123)),
1935            ScalarValue::Date32(Some(123)).try_into().unwrap()
1936        );
1937        assert_eq!(Value::Null, ScalarValue::Date32(None).try_into().unwrap());
1938
1939        assert_eq!(
1940            Value::Timestamp(Timestamp::new(1, TimeUnit::Second)),
1941            ScalarValue::TimestampSecond(Some(1), None)
1942                .try_into()
1943                .unwrap()
1944        );
1945        assert_eq!(
1946            Value::Null,
1947            ScalarValue::TimestampSecond(None, None).try_into().unwrap()
1948        );
1949
1950        assert_eq!(
1951            Value::Timestamp(Timestamp::new(1, TimeUnit::Millisecond)),
1952            ScalarValue::TimestampMillisecond(Some(1), None)
1953                .try_into()
1954                .unwrap()
1955        );
1956        assert_eq!(
1957            Value::Null,
1958            ScalarValue::TimestampMillisecond(None, None)
1959                .try_into()
1960                .unwrap()
1961        );
1962
1963        assert_eq!(
1964            Value::Timestamp(Timestamp::new(1, TimeUnit::Microsecond)),
1965            ScalarValue::TimestampMicrosecond(Some(1), None)
1966                .try_into()
1967                .unwrap()
1968        );
1969        assert_eq!(
1970            Value::Null,
1971            ScalarValue::TimestampMicrosecond(None, None)
1972                .try_into()
1973                .unwrap()
1974        );
1975
1976        assert_eq!(
1977            Value::Timestamp(Timestamp::new(1, TimeUnit::Nanosecond)),
1978            ScalarValue::TimestampNanosecond(Some(1), None)
1979                .try_into()
1980                .unwrap()
1981        );
1982        assert_eq!(
1983            Value::Null,
1984            ScalarValue::TimestampNanosecond(None, None)
1985                .try_into()
1986                .unwrap()
1987        );
1988        assert_eq!(
1989            Value::Null,
1990            ScalarValue::IntervalMonthDayNano(None).try_into().unwrap()
1991        );
1992        assert_eq!(
1993            Value::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 1, 1)),
1994            ScalarValue::IntervalMonthDayNano(Some(IntervalMonthDayNano::new(1, 1, 1).into()))
1995                .try_into()
1996                .unwrap()
1997        );
1998
1999        assert_eq!(
2000            Value::Time(Time::new(1, TimeUnit::Second)),
2001            ScalarValue::Time32Second(Some(1)).try_into().unwrap()
2002        );
2003        assert_eq!(
2004            Value::Null,
2005            ScalarValue::Time32Second(None).try_into().unwrap()
2006        );
2007
2008        assert_eq!(
2009            Value::Time(Time::new(1, TimeUnit::Millisecond)),
2010            ScalarValue::Time32Millisecond(Some(1)).try_into().unwrap()
2011        );
2012        assert_eq!(
2013            Value::Null,
2014            ScalarValue::Time32Millisecond(None).try_into().unwrap()
2015        );
2016
2017        assert_eq!(
2018            Value::Time(Time::new(1, TimeUnit::Microsecond)),
2019            ScalarValue::Time64Microsecond(Some(1)).try_into().unwrap()
2020        );
2021        assert_eq!(
2022            Value::Null,
2023            ScalarValue::Time64Microsecond(None).try_into().unwrap()
2024        );
2025
2026        assert_eq!(
2027            Value::Time(Time::new(1, TimeUnit::Nanosecond)),
2028            ScalarValue::Time64Nanosecond(Some(1)).try_into().unwrap()
2029        );
2030        assert_eq!(
2031            Value::Null,
2032            ScalarValue::Time64Nanosecond(None).try_into().unwrap()
2033        );
2034
2035        assert_eq!(
2036            Value::Duration(Duration::new_second(1)),
2037            ScalarValue::DurationSecond(Some(1)).try_into().unwrap()
2038        );
2039        assert_eq!(
2040            Value::Null,
2041            ScalarValue::DurationSecond(None).try_into().unwrap()
2042        );
2043
2044        assert_eq!(
2045            Value::Duration(Duration::new_millisecond(1)),
2046            ScalarValue::DurationMillisecond(Some(1))
2047                .try_into()
2048                .unwrap()
2049        );
2050        assert_eq!(
2051            Value::Null,
2052            ScalarValue::DurationMillisecond(None).try_into().unwrap()
2053        );
2054
2055        assert_eq!(
2056            Value::Duration(Duration::new_microsecond(1)),
2057            ScalarValue::DurationMicrosecond(Some(1))
2058                .try_into()
2059                .unwrap()
2060        );
2061        assert_eq!(
2062            Value::Null,
2063            ScalarValue::DurationMicrosecond(None).try_into().unwrap()
2064        );
2065
2066        assert_eq!(
2067            Value::Duration(Duration::new_nanosecond(1)),
2068            ScalarValue::DurationNanosecond(Some(1)).try_into().unwrap()
2069        );
2070        assert_eq!(
2071            Value::Null,
2072            ScalarValue::DurationNanosecond(None).try_into().unwrap()
2073        );
2074
2075        assert_eq!(
2076            Value::Decimal128(Decimal128::new(1, 38, 10)),
2077            ScalarValue::Decimal128(Some(1), 38, 10).try_into().unwrap()
2078        );
2079        assert_eq!(
2080            Value::Null,
2081            ScalarValue::Decimal128(None, 0, 0).try_into().unwrap()
2082        );
2083
2084        let struct_value = build_struct_value();
2085        let scalar_struct_value = build_scalar_struct_value();
2086        assert_eq!(
2087            Value::Struct(struct_value),
2088            scalar_struct_value.try_into().unwrap()
2089        );
2090    }
2091
2092    #[test]
2093    fn test_value_from_inner() {
2094        assert_eq!(Value::Boolean(true), Value::from(true));
2095        assert_eq!(Value::Boolean(false), Value::from(false));
2096
2097        assert_eq!(Value::UInt8(u8::MIN), Value::from(u8::MIN));
2098        assert_eq!(Value::UInt8(u8::MAX), Value::from(u8::MAX));
2099
2100        assert_eq!(Value::UInt16(u16::MIN), Value::from(u16::MIN));
2101        assert_eq!(Value::UInt16(u16::MAX), Value::from(u16::MAX));
2102
2103        assert_eq!(Value::UInt32(u32::MIN), Value::from(u32::MIN));
2104        assert_eq!(Value::UInt32(u32::MAX), Value::from(u32::MAX));
2105
2106        assert_eq!(Value::UInt64(u64::MIN), Value::from(u64::MIN));
2107        assert_eq!(Value::UInt64(u64::MAX), Value::from(u64::MAX));
2108
2109        assert_eq!(Value::Int8(i8::MIN), Value::from(i8::MIN));
2110        assert_eq!(Value::Int8(i8::MAX), Value::from(i8::MAX));
2111
2112        assert_eq!(Value::Int16(i16::MIN), Value::from(i16::MIN));
2113        assert_eq!(Value::Int16(i16::MAX), Value::from(i16::MAX));
2114
2115        assert_eq!(Value::Int32(i32::MIN), Value::from(i32::MIN));
2116        assert_eq!(Value::Int32(i32::MAX), Value::from(i32::MAX));
2117
2118        assert_eq!(Value::Int64(i64::MIN), Value::from(i64::MIN));
2119        assert_eq!(Value::Int64(i64::MAX), Value::from(i64::MAX));
2120
2121        assert_eq!(
2122            Value::Float32(OrderedFloat(f32::MIN)),
2123            Value::from(f32::MIN)
2124        );
2125        assert_eq!(
2126            Value::Float32(OrderedFloat(f32::MAX)),
2127            Value::from(f32::MAX)
2128        );
2129
2130        assert_eq!(
2131            Value::Float64(OrderedFloat(f64::MIN)),
2132            Value::from(f64::MIN)
2133        );
2134        assert_eq!(
2135            Value::Float64(OrderedFloat(f64::MAX)),
2136            Value::from(f64::MAX)
2137        );
2138
2139        let string_bytes = StringBytes::from("hello");
2140        assert_eq!(
2141            Value::String(string_bytes.clone()),
2142            Value::from(string_bytes)
2143        );
2144
2145        let bytes = Bytes::from(b"world".as_slice());
2146        assert_eq!(Value::Binary(bytes.clone()), Value::from(bytes));
2147    }
2148
2149    fn check_type_and_value(data_type: &ConcreteDataType, value: &Value) {
2150        assert_eq!(*data_type, value.data_type());
2151        assert_eq!(data_type.logical_type_id(), value.logical_type_id());
2152    }
2153
2154    #[test]
2155    fn test_value_datatype() {
2156        check_type_and_value(&ConcreteDataType::boolean_datatype(), &Value::Boolean(true));
2157        check_type_and_value(&ConcreteDataType::uint8_datatype(), &Value::UInt8(u8::MIN));
2158        check_type_and_value(
2159            &ConcreteDataType::uint16_datatype(),
2160            &Value::UInt16(u16::MIN),
2161        );
2162        check_type_and_value(
2163            &ConcreteDataType::uint16_datatype(),
2164            &Value::UInt16(u16::MAX),
2165        );
2166        check_type_and_value(
2167            &ConcreteDataType::uint32_datatype(),
2168            &Value::UInt32(u32::MIN),
2169        );
2170        check_type_and_value(
2171            &ConcreteDataType::uint64_datatype(),
2172            &Value::UInt64(u64::MIN),
2173        );
2174        check_type_and_value(&ConcreteDataType::int8_datatype(), &Value::Int8(i8::MIN));
2175        check_type_and_value(&ConcreteDataType::int16_datatype(), &Value::Int16(i16::MIN));
2176        check_type_and_value(&ConcreteDataType::int32_datatype(), &Value::Int32(i32::MIN));
2177        check_type_and_value(&ConcreteDataType::int64_datatype(), &Value::Int64(i64::MIN));
2178        check_type_and_value(
2179            &ConcreteDataType::float32_datatype(),
2180            &Value::Float32(OrderedFloat(f32::MIN)),
2181        );
2182        check_type_and_value(
2183            &ConcreteDataType::float64_datatype(),
2184            &Value::Float64(OrderedFloat(f64::MIN)),
2185        );
2186        check_type_and_value(
2187            &ConcreteDataType::string_datatype(),
2188            &Value::String(StringBytes::from("hello")),
2189        );
2190        check_type_and_value(
2191            &ConcreteDataType::binary_datatype(),
2192            &Value::Binary(Bytes::from(b"world".as_slice())),
2193        );
2194        let item_type = Arc::new(ConcreteDataType::int32_datatype());
2195        check_type_and_value(
2196            &ConcreteDataType::list_datatype(item_type.clone()),
2197            &Value::List(ListValue::new(vec![Value::Int32(10)], item_type.clone())),
2198        );
2199        check_type_and_value(
2200            &ConcreteDataType::list_datatype(Arc::new(ConcreteDataType::null_datatype())),
2201            &Value::List(ListValue::default()),
2202        );
2203        check_type_and_value(
2204            &ConcreteDataType::date_datatype(),
2205            &Value::Date(Date::new(1)),
2206        );
2207        check_type_and_value(
2208            &ConcreteDataType::timestamp_millisecond_datatype(),
2209            &Value::Timestamp(Timestamp::new_millisecond(1)),
2210        );
2211        check_type_and_value(
2212            &ConcreteDataType::time_second_datatype(),
2213            &Value::Time(Time::new_second(1)),
2214        );
2215        check_type_and_value(
2216            &ConcreteDataType::time_millisecond_datatype(),
2217            &Value::Time(Time::new_millisecond(1)),
2218        );
2219        check_type_and_value(
2220            &ConcreteDataType::time_microsecond_datatype(),
2221            &Value::Time(Time::new_microsecond(1)),
2222        );
2223        check_type_and_value(
2224            &ConcreteDataType::time_nanosecond_datatype(),
2225            &Value::Time(Time::new_nanosecond(1)),
2226        );
2227        check_type_and_value(
2228            &ConcreteDataType::interval_year_month_datatype(),
2229            &Value::IntervalYearMonth(IntervalYearMonth::new(1)),
2230        );
2231        check_type_and_value(
2232            &ConcreteDataType::interval_day_time_datatype(),
2233            &Value::IntervalDayTime(IntervalDayTime::new(1, 2)),
2234        );
2235        check_type_and_value(
2236            &ConcreteDataType::interval_month_day_nano_datatype(),
2237            &Value::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 2, 3)),
2238        );
2239        check_type_and_value(
2240            &ConcreteDataType::duration_second_datatype(),
2241            &Value::Duration(Duration::new_second(1)),
2242        );
2243        check_type_and_value(
2244            &ConcreteDataType::duration_millisecond_datatype(),
2245            &Value::Duration(Duration::new_millisecond(1)),
2246        );
2247        check_type_and_value(
2248            &ConcreteDataType::duration_microsecond_datatype(),
2249            &Value::Duration(Duration::new_microsecond(1)),
2250        );
2251        check_type_and_value(
2252            &ConcreteDataType::duration_nanosecond_datatype(),
2253            &Value::Duration(Duration::new_nanosecond(1)),
2254        );
2255        check_type_and_value(
2256            &ConcreteDataType::decimal128_datatype(38, 10),
2257            &Value::Decimal128(Decimal128::new(1, 38, 10)),
2258        );
2259
2260        let item_type = Arc::new(ConcreteDataType::boolean_datatype());
2261        check_type_and_value(
2262            &ConcreteDataType::list_datatype(item_type.clone()),
2263            &Value::List(ListValue::new(
2264                vec![Value::Boolean(true)],
2265                item_type.clone(),
2266            )),
2267        );
2268
2269        check_type_and_value(
2270            &ConcreteDataType::struct_datatype(build_struct_type()),
2271            &Value::Struct(build_struct_value()),
2272        );
2273
2274        check_type_and_value(
2275            &ConcreteDataType::json_native_datatype(ConcreteDataType::boolean_datatype()),
2276            &Value::Json(Box::new(true.into())),
2277        );
2278
2279        check_type_and_value(
2280            &ConcreteDataType::json_native_datatype(build_list_type()),
2281            &Value::Json(Box::new([true].into())),
2282        );
2283
2284        check_type_and_value(
2285            &ConcreteDataType::json_native_datatype(ConcreteDataType::struct_datatype(
2286                StructType::new(Arc::new(vec![
2287                    StructField::new(
2288                        "address".to_string(),
2289                        ConcreteDataType::string_datatype(),
2290                        true,
2291                    ),
2292                    StructField::new("age".to_string(), ConcreteDataType::uint64_datatype(), true),
2293                    StructField::new(
2294                        "awards".to_string(),
2295                        ConcreteDataType::list_datatype(Arc::new(
2296                            ConcreteDataType::boolean_datatype(),
2297                        )),
2298                        true,
2299                    ),
2300                    StructField::new("id".to_string(), ConcreteDataType::int64_datatype(), true),
2301                    StructField::new(
2302                        "name".to_string(),
2303                        ConcreteDataType::string_datatype(),
2304                        true,
2305                    ),
2306                ])),
2307            )),
2308            &Value::Json(Box::new(
2309                [
2310                    ("id", JsonVariant::from(1i64)),
2311                    ("name", "Alice".into()),
2312                    ("age", 1u64.into()),
2313                    ("address", "blah".into()),
2314                    ("awards", [true, false].into()),
2315                ]
2316                .into(),
2317            )),
2318        );
2319    }
2320
2321    #[test]
2322    fn test_value_from_string() {
2323        let hello = "hello".to_string();
2324        assert_eq!(
2325            Value::String(StringBytes::from(hello.clone())),
2326            Value::from(hello)
2327        );
2328
2329        let world = "world";
2330        assert_eq!(Value::String(StringBytes::from(world)), Value::from(world));
2331    }
2332
2333    #[test]
2334    fn test_value_from_bytes() {
2335        let hello = b"hello".to_vec();
2336        assert_eq!(
2337            Value::Binary(Bytes::from(hello.clone())),
2338            Value::from(hello)
2339        );
2340
2341        let world: &[u8] = b"world";
2342        assert_eq!(Value::Binary(Bytes::from(world)), Value::from(world));
2343    }
2344
2345    fn to_json(value: Value) -> serde_json::Value {
2346        value.try_into().unwrap()
2347    }
2348
2349    #[test]
2350    fn test_to_json_value() {
2351        assert_eq!(serde_json::Value::Null, to_json(Value::Null));
2352        assert_eq!(serde_json::Value::Bool(true), to_json(Value::Boolean(true)));
2353        assert_eq!(
2354            serde_json::Value::Number(20u8.into()),
2355            to_json(Value::UInt8(20))
2356        );
2357        assert_eq!(
2358            serde_json::Value::Number(20i8.into()),
2359            to_json(Value::Int8(20))
2360        );
2361        assert_eq!(
2362            serde_json::Value::Number(2000u16.into()),
2363            to_json(Value::UInt16(2000))
2364        );
2365        assert_eq!(
2366            serde_json::Value::Number(2000i16.into()),
2367            to_json(Value::Int16(2000))
2368        );
2369        assert_eq!(
2370            serde_json::Value::Number(3000u32.into()),
2371            to_json(Value::UInt32(3000))
2372        );
2373        assert_eq!(
2374            serde_json::Value::Number(3000i32.into()),
2375            to_json(Value::Int32(3000))
2376        );
2377        assert_eq!(
2378            serde_json::Value::Number(4000u64.into()),
2379            to_json(Value::UInt64(4000))
2380        );
2381        assert_eq!(
2382            serde_json::Value::Number(4000i64.into()),
2383            to_json(Value::Int64(4000))
2384        );
2385        assert_eq!(
2386            serde_json::Value::from(125.0f32),
2387            to_json(Value::Float32(125.0.into()))
2388        );
2389        assert_eq!(
2390            serde_json::Value::from(125.0f64),
2391            to_json(Value::Float64(125.0.into()))
2392        );
2393        assert_eq!(
2394            serde_json::Value::String(String::from("hello")),
2395            to_json(Value::String(StringBytes::from("hello")))
2396        );
2397        assert_eq!(
2398            serde_json::Value::from(b"world".as_slice()),
2399            to_json(Value::Binary(Bytes::from(b"world".as_slice())))
2400        );
2401        assert_eq!(
2402            serde_json::Value::Number(5000i32.into()),
2403            to_json(Value::Date(Date::new(5000)))
2404        );
2405        assert_eq!(
2406            serde_json::Value::Number(1.into()),
2407            to_json(Value::Timestamp(Timestamp::new_millisecond(1)))
2408        );
2409        assert_eq!(
2410            serde_json::Value::Number(1.into()),
2411            to_json(Value::Time(Time::new_millisecond(1)))
2412        );
2413        assert_eq!(
2414            serde_json::Value::Number(1.into()),
2415            to_json(Value::Duration(Duration::new_millisecond(1)))
2416        );
2417
2418        let json_value: serde_json::Value = serde_json::from_str(r#"[123]"#).unwrap();
2419        assert_eq!(
2420            json_value,
2421            to_json(Value::List(ListValue {
2422                items: vec![Value::Int32(123)],
2423                datatype: Arc::new(ConcreteDataType::int32_datatype()),
2424            }))
2425        );
2426
2427        let struct_value = StructValue::try_new(
2428            vec![
2429                Value::Int64(42),
2430                Value::String("tomcat".into()),
2431                Value::Boolean(true),
2432            ],
2433            StructType::new(Arc::new(vec![
2434                StructField::new("num".to_string(), ConcreteDataType::int64_datatype(), true),
2435                StructField::new(
2436                    "name".to_string(),
2437                    ConcreteDataType::string_datatype(),
2438                    true,
2439                ),
2440                StructField::new(
2441                    "yes_or_no".to_string(),
2442                    ConcreteDataType::boolean_datatype(),
2443                    true,
2444                ),
2445            ])),
2446        )
2447        .unwrap();
2448        assert_eq!(
2449            serde_json::Value::try_from(Value::Struct(struct_value.clone())).unwrap(),
2450            serde_json::json!({
2451                "num": 42,
2452                "name": "tomcat",
2453                "yes_or_no": true
2454            })
2455        );
2456
2457        // string wrapped in json
2458        assert_eq!(
2459            serde_json::Value::try_from(Value::Json(Box::new("hello".into()))).unwrap(),
2460            serde_json::json!("hello")
2461        );
2462
2463        // list wrapped in json
2464        assert_eq!(
2465            serde_json::Value::try_from(Value::Json(Box::new([1i64, 2, 3,].into()))).unwrap(),
2466            serde_json::json!([1, 2, 3])
2467        );
2468
2469        // struct wrapped in json
2470        assert_eq!(
2471            serde_json::Value::try_from(Value::Json(Box::new(
2472                [
2473                    ("num".to_string(), JsonVariant::from(42i64)),
2474                    ("name".to_string(), "tomcat".into()),
2475                    ("yes_or_no".to_string(), true.into()),
2476                ]
2477                .into()
2478            )))
2479            .unwrap(),
2480            serde_json::json!({
2481                "num": 42,
2482                "name": "tomcat",
2483                "yes_or_no": true
2484            })
2485        );
2486    }
2487
2488    #[test]
2489    fn test_null_value() {
2490        assert!(Value::Null.is_null());
2491        assert!(Value::Json(Box::new(JsonValue::null())).is_null());
2492        assert!(!Value::Boolean(true).is_null());
2493        assert!(Value::Null < Value::Boolean(false));
2494        assert!(Value::Boolean(true) > Value::Null);
2495        assert!(Value::Null < Value::Int32(10));
2496        assert!(Value::Int32(10) > Value::Null);
2497    }
2498
2499    #[test]
2500    fn test_null_value_ref() {
2501        assert!(ValueRef::Null.is_null());
2502        assert!(!ValueRef::Boolean(true).is_null());
2503        assert!(ValueRef::Null < ValueRef::Boolean(false));
2504        assert!(ValueRef::Boolean(true) > ValueRef::Null);
2505        assert!(ValueRef::Null < ValueRef::Int32(10));
2506        assert!(ValueRef::Int32(10) > ValueRef::Null);
2507    }
2508
2509    #[test]
2510    fn test_as_value_ref() {
2511        macro_rules! check_as_value_ref {
2512            ($Variant: ident, $data: expr) => {
2513                let value = Value::$Variant($data);
2514                let value_ref = value.as_value_ref();
2515                let expect_ref = ValueRef::$Variant($data);
2516
2517                assert_eq!(expect_ref, value_ref);
2518            };
2519        }
2520
2521        assert_eq!(ValueRef::Null, Value::Null.as_value_ref());
2522        check_as_value_ref!(Boolean, true);
2523        check_as_value_ref!(UInt8, 123);
2524        check_as_value_ref!(UInt16, 123);
2525        check_as_value_ref!(UInt32, 123);
2526        check_as_value_ref!(UInt64, 123);
2527        check_as_value_ref!(Int8, -12);
2528        check_as_value_ref!(Int16, -12);
2529        check_as_value_ref!(Int32, -12);
2530        check_as_value_ref!(Int64, -12);
2531        check_as_value_ref!(Float32, OrderedF32::from(16.0));
2532        check_as_value_ref!(Float64, OrderedF64::from(16.0));
2533        check_as_value_ref!(Timestamp, Timestamp::new_millisecond(1));
2534        check_as_value_ref!(Time, Time::new_millisecond(1));
2535        check_as_value_ref!(IntervalYearMonth, IntervalYearMonth::new(1));
2536        check_as_value_ref!(IntervalDayTime, IntervalDayTime::new(1, 2));
2537        check_as_value_ref!(IntervalMonthDayNano, IntervalMonthDayNano::new(1, 2, 3));
2538        check_as_value_ref!(Duration, Duration::new_millisecond(1));
2539
2540        assert_eq!(
2541            ValueRef::String("hello"),
2542            Value::String("hello".into()).as_value_ref()
2543        );
2544        assert_eq!(
2545            ValueRef::Binary(b"hello"),
2546            Value::Binary("hello".as_bytes().into()).as_value_ref()
2547        );
2548
2549        check_as_value_ref!(Date, Date::new(103));
2550
2551        let list = build_list_value();
2552        assert_eq!(
2553            ValueRef::List(ListValueRef::Ref { val: &list }),
2554            Value::List(list.clone()).as_value_ref()
2555        );
2556
2557        let jsonb_value = jsonb::parse_value(r#"{"key": "value"}"#.as_bytes())
2558            .unwrap()
2559            .to_vec();
2560        assert_eq!(
2561            ValueRef::Binary(jsonb_value.clone().as_slice()),
2562            Value::Binary(jsonb_value.into()).as_value_ref()
2563        );
2564
2565        let struct_value = build_struct_value();
2566        assert_eq!(
2567            ValueRef::Struct(StructValueRef::Ref(&struct_value)),
2568            Value::Struct(struct_value.clone()).as_value_ref()
2569        );
2570    }
2571
2572    #[test]
2573    fn test_value_ref_as() {
2574        macro_rules! check_as_null {
2575            ($method: ident) => {
2576                assert_eq!(None, ValueRef::Null.$method().unwrap());
2577            };
2578        }
2579
2580        check_as_null!(try_into_binary);
2581        check_as_null!(try_into_string);
2582        check_as_null!(try_into_boolean);
2583        check_as_null!(try_into_list);
2584        check_as_null!(try_into_struct);
2585
2586        macro_rules! check_as_correct {
2587            ($data: expr, $Variant: ident, $method: ident) => {
2588                assert_eq!(Some($data), ValueRef::$Variant($data).$method().unwrap());
2589            };
2590        }
2591
2592        check_as_correct!("hello", String, try_into_string);
2593        check_as_correct!("hello".as_bytes(), Binary, try_into_binary);
2594        check_as_correct!(true, Boolean, try_into_boolean);
2595        check_as_correct!(Date::new(123), Date, try_into_date);
2596        check_as_correct!(Time::new_second(12), Time, try_into_time);
2597        check_as_correct!(Duration::new_second(12), Duration, try_into_duration);
2598
2599        let list = build_list_value();
2600        check_as_correct!(ListValueRef::Ref { val: &list }, List, try_into_list);
2601
2602        let struct_value = build_struct_value();
2603        check_as_correct!(StructValueRef::Ref(&struct_value), Struct, try_into_struct);
2604
2605        let wrong_value = ValueRef::Int32(12345);
2606        assert!(wrong_value.try_into_binary().is_err());
2607        assert!(wrong_value.try_into_string().is_err());
2608        assert!(wrong_value.try_into_boolean().is_err());
2609        assert!(wrong_value.try_into_list().is_err());
2610        assert!(wrong_value.try_into_struct().is_err());
2611        assert!(wrong_value.try_into_date().is_err());
2612        assert!(wrong_value.try_into_time().is_err());
2613        assert!(wrong_value.try_into_timestamp().is_err());
2614        assert!(wrong_value.try_into_duration().is_err());
2615    }
2616
2617    #[test]
2618    fn test_display() {
2619        set_default_timezone(Some("Asia/Shanghai")).unwrap();
2620        assert_eq!(Value::Null.to_string(), "Null");
2621        assert_eq!(Value::UInt8(8).to_string(), "8");
2622        assert_eq!(Value::UInt16(16).to_string(), "16");
2623        assert_eq!(Value::UInt32(32).to_string(), "32");
2624        assert_eq!(Value::UInt64(64).to_string(), "64");
2625        assert_eq!(Value::Int8(-8).to_string(), "-8");
2626        assert_eq!(Value::Int16(-16).to_string(), "-16");
2627        assert_eq!(Value::Int32(-32).to_string(), "-32");
2628        assert_eq!(Value::Int64(-64).to_string(), "-64");
2629        assert_eq!(Value::Float32((-32.123).into()).to_string(), "-32.123");
2630        assert_eq!(Value::Float64((-64.123).into()).to_string(), "-64.123");
2631        assert_eq!(Value::Float64(OrderedF64::infinity()).to_string(), "inf");
2632        assert_eq!(Value::Float64(OrderedF64::nan()).to_string(), "NaN");
2633        assert_eq!(Value::String(StringBytes::from("123")).to_string(), "123");
2634        assert_eq!(
2635            Value::Binary(Bytes::from(vec![1, 2, 3])).to_string(),
2636            "010203"
2637        );
2638        assert_eq!(Value::Date(Date::new(0)).to_string(), "1970-01-01");
2639        assert_eq!(
2640            Value::Timestamp(Timestamp::new(1000, TimeUnit::Millisecond)).to_string(),
2641            "1970-01-01 08:00:01+0800"
2642        );
2643        assert_eq!(
2644            Value::Time(Time::new(1000, TimeUnit::Millisecond)).to_string(),
2645            "08:00:01+0800"
2646        );
2647        assert_eq!(
2648            Value::Duration(Duration::new_millisecond(1000)).to_string(),
2649            "1000ms"
2650        );
2651        assert_eq!(
2652            Value::List(build_list_value()).to_string(),
2653            "Boolean[true, false]"
2654        );
2655        assert_eq!(
2656            Value::List(ListValue::new(
2657                vec![],
2658                Arc::new(ConcreteDataType::timestamp_second_datatype()),
2659            ))
2660            .to_string(),
2661            "TimestampSecond[]"
2662        );
2663        assert_eq!(
2664            Value::List(ListValue::new(
2665                vec![],
2666                Arc::new(ConcreteDataType::timestamp_millisecond_datatype()),
2667            ))
2668            .to_string(),
2669            "TimestampMillisecond[]"
2670        );
2671        assert_eq!(
2672            Value::List(ListValue::new(
2673                vec![],
2674                Arc::new(ConcreteDataType::timestamp_microsecond_datatype()),
2675            ))
2676            .to_string(),
2677            "TimestampMicrosecond[]"
2678        );
2679        assert_eq!(
2680            Value::List(ListValue::new(
2681                vec![],
2682                Arc::new(ConcreteDataType::timestamp_nanosecond_datatype()),
2683            ))
2684            .to_string(),
2685            "TimestampNanosecond[]"
2686        );
2687
2688        assert_eq!(
2689            Value::Struct(build_struct_value()).to_string(),
2690            "{ id: 1, name: tom, age: 25, address: 94038, awards: Boolean[true, false] }"
2691        );
2692
2693        assert_eq!(
2694            Value::Json(Box::new(
2695                [
2696                    ("id", JsonVariant::from(1i64)),
2697                    ("name", "tom".into()),
2698                    ("age", 25u64.into()),
2699                    ("address", "94038".into()),
2700                    ("awards", [true, false].into()),
2701                ]
2702                .into()
2703            ))
2704            .to_string(),
2705            "Json({ address: 94038, age: 25, awards: [true, false], id: 1, name: tom })"
2706        )
2707    }
2708
2709    #[test]
2710    fn test_not_null_value_to_scalar_value() {
2711        assert_eq!(
2712            ScalarValue::Boolean(Some(true)),
2713            Value::Boolean(true)
2714                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2715                .unwrap()
2716        );
2717        assert_eq!(
2718            ScalarValue::Boolean(Some(false)),
2719            Value::Boolean(false)
2720                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2721                .unwrap()
2722        );
2723        assert_eq!(
2724            ScalarValue::UInt8(Some(u8::MIN + 1)),
2725            Value::UInt8(u8::MIN + 1)
2726                .try_to_scalar_value(&ConcreteDataType::uint8_datatype())
2727                .unwrap()
2728        );
2729        assert_eq!(
2730            ScalarValue::UInt16(Some(u16::MIN + 2)),
2731            Value::UInt16(u16::MIN + 2)
2732                .try_to_scalar_value(&ConcreteDataType::uint16_datatype())
2733                .unwrap()
2734        );
2735        assert_eq!(
2736            ScalarValue::UInt32(Some(u32::MIN + 3)),
2737            Value::UInt32(u32::MIN + 3)
2738                .try_to_scalar_value(&ConcreteDataType::uint32_datatype())
2739                .unwrap()
2740        );
2741        assert_eq!(
2742            ScalarValue::UInt64(Some(u64::MIN + 4)),
2743            Value::UInt64(u64::MIN + 4)
2744                .try_to_scalar_value(&ConcreteDataType::uint64_datatype())
2745                .unwrap()
2746        );
2747        assert_eq!(
2748            ScalarValue::Int8(Some(i8::MIN + 4)),
2749            Value::Int8(i8::MIN + 4)
2750                .try_to_scalar_value(&ConcreteDataType::int8_datatype())
2751                .unwrap()
2752        );
2753        assert_eq!(
2754            ScalarValue::Int16(Some(i16::MIN + 5)),
2755            Value::Int16(i16::MIN + 5)
2756                .try_to_scalar_value(&ConcreteDataType::int16_datatype())
2757                .unwrap()
2758        );
2759        assert_eq!(
2760            ScalarValue::Int32(Some(i32::MIN + 6)),
2761            Value::Int32(i32::MIN + 6)
2762                .try_to_scalar_value(&ConcreteDataType::int32_datatype())
2763                .unwrap()
2764        );
2765        assert_eq!(
2766            ScalarValue::Int64(Some(i64::MIN + 7)),
2767            Value::Int64(i64::MIN + 7)
2768                .try_to_scalar_value(&ConcreteDataType::int64_datatype())
2769                .unwrap()
2770        );
2771        assert_eq!(
2772            ScalarValue::Float32(Some(8.0f32)),
2773            Value::Float32(OrderedFloat(8.0f32))
2774                .try_to_scalar_value(&ConcreteDataType::float32_datatype())
2775                .unwrap()
2776        );
2777        assert_eq!(
2778            ScalarValue::Float64(Some(9.0f64)),
2779            Value::Float64(OrderedFloat(9.0f64))
2780                .try_to_scalar_value(&ConcreteDataType::float64_datatype())
2781                .unwrap()
2782        );
2783        assert_eq!(
2784            ScalarValue::Utf8(Some("hello".to_string())),
2785            Value::String(StringBytes::from("hello"))
2786                .try_to_scalar_value(&ConcreteDataType::string_datatype(),)
2787                .unwrap()
2788        );
2789        assert_eq!(
2790            ScalarValue::Binary(Some("world".as_bytes().to_vec())),
2791            Value::Binary(Bytes::from("world".as_bytes()))
2792                .try_to_scalar_value(&ConcreteDataType::binary_datatype())
2793                .unwrap()
2794        );
2795
2796        let jsonb_value = jsonb::parse_value(r#"{"key": "value"}"#.as_bytes())
2797            .unwrap()
2798            .to_vec();
2799        assert_eq!(
2800            ScalarValue::Binary(Some(jsonb_value.clone())),
2801            Value::Binary(jsonb_value.into())
2802                .try_to_scalar_value(&ConcreteDataType::json_datatype())
2803                .unwrap()
2804        );
2805
2806        assert_eq!(
2807            build_scalar_struct_value(),
2808            Value::Struct(build_struct_value())
2809                .try_to_scalar_value(&ConcreteDataType::struct_datatype(build_struct_type()))
2810                .unwrap()
2811        );
2812
2813        assert_eq!(
2814            build_scalar_list_value(),
2815            Value::List(build_list_value())
2816                .try_to_scalar_value(&ConcreteDataType::list_datatype(Arc::new(
2817                    ConcreteDataType::boolean_datatype()
2818                )))
2819                .unwrap()
2820        );
2821    }
2822
2823    #[test]
2824    fn test_null_value_to_scalar_value() {
2825        assert_eq!(
2826            ScalarValue::Boolean(None),
2827            Value::Null
2828                .try_to_scalar_value(&ConcreteDataType::boolean_datatype())
2829                .unwrap()
2830        );
2831        assert_eq!(
2832            ScalarValue::UInt8(None),
2833            Value::Null
2834                .try_to_scalar_value(&ConcreteDataType::uint8_datatype())
2835                .unwrap()
2836        );
2837        assert_eq!(
2838            ScalarValue::UInt16(None),
2839            Value::Null
2840                .try_to_scalar_value(&ConcreteDataType::uint16_datatype())
2841                .unwrap()
2842        );
2843        assert_eq!(
2844            ScalarValue::UInt32(None),
2845            Value::Null
2846                .try_to_scalar_value(&ConcreteDataType::uint32_datatype())
2847                .unwrap()
2848        );
2849        assert_eq!(
2850            ScalarValue::UInt64(None),
2851            Value::Null
2852                .try_to_scalar_value(&ConcreteDataType::uint64_datatype())
2853                .unwrap()
2854        );
2855        assert_eq!(
2856            ScalarValue::Int8(None),
2857            Value::Null
2858                .try_to_scalar_value(&ConcreteDataType::int8_datatype())
2859                .unwrap()
2860        );
2861        assert_eq!(
2862            ScalarValue::Int16(None),
2863            Value::Null
2864                .try_to_scalar_value(&ConcreteDataType::int16_datatype())
2865                .unwrap()
2866        );
2867        assert_eq!(
2868            ScalarValue::Int32(None),
2869            Value::Null
2870                .try_to_scalar_value(&ConcreteDataType::int32_datatype())
2871                .unwrap()
2872        );
2873        assert_eq!(
2874            ScalarValue::Int64(None),
2875            Value::Null
2876                .try_to_scalar_value(&ConcreteDataType::int64_datatype())
2877                .unwrap()
2878        );
2879        assert_eq!(
2880            ScalarValue::Float32(None),
2881            Value::Null
2882                .try_to_scalar_value(&ConcreteDataType::float32_datatype())
2883                .unwrap()
2884        );
2885        assert_eq!(
2886            ScalarValue::Float64(None),
2887            Value::Null
2888                .try_to_scalar_value(&ConcreteDataType::float64_datatype())
2889                .unwrap()
2890        );
2891        assert_eq!(
2892            ScalarValue::Utf8(None),
2893            Value::Null
2894                .try_to_scalar_value(&ConcreteDataType::string_datatype())
2895                .unwrap()
2896        );
2897        assert_eq!(
2898            ScalarValue::Binary(None),
2899            Value::Null
2900                .try_to_scalar_value(&ConcreteDataType::binary_datatype())
2901                .unwrap()
2902        );
2903
2904        assert_eq!(
2905            ScalarValue::Time32Second(None),
2906            Value::Null
2907                .try_to_scalar_value(&ConcreteDataType::time_second_datatype())
2908                .unwrap()
2909        );
2910        assert_eq!(
2911            ScalarValue::Time32Millisecond(None),
2912            Value::Null
2913                .try_to_scalar_value(&ConcreteDataType::time_millisecond_datatype())
2914                .unwrap()
2915        );
2916        assert_eq!(
2917            ScalarValue::Time64Microsecond(None),
2918            Value::Null
2919                .try_to_scalar_value(&ConcreteDataType::time_microsecond_datatype())
2920                .unwrap()
2921        );
2922        assert_eq!(
2923            ScalarValue::Time64Nanosecond(None),
2924            Value::Null
2925                .try_to_scalar_value(&ConcreteDataType::time_nanosecond_datatype())
2926                .unwrap()
2927        );
2928
2929        assert_eq!(
2930            ScalarValue::DurationSecond(None),
2931            Value::Null
2932                .try_to_scalar_value(&ConcreteDataType::duration_second_datatype())
2933                .unwrap()
2934        );
2935        assert_eq!(
2936            ScalarValue::DurationMillisecond(None),
2937            Value::Null
2938                .try_to_scalar_value(&ConcreteDataType::duration_millisecond_datatype())
2939                .unwrap()
2940        );
2941        assert_eq!(
2942            ScalarValue::DurationMicrosecond(None),
2943            Value::Null
2944                .try_to_scalar_value(&ConcreteDataType::duration_microsecond_datatype())
2945                .unwrap()
2946        );
2947        assert_eq!(
2948            ScalarValue::DurationNanosecond(None),
2949            Value::Null
2950                .try_to_scalar_value(&ConcreteDataType::duration_nanosecond_datatype())
2951                .unwrap()
2952        );
2953        assert_eq!(
2954            ScalarValue::Binary(None),
2955            Value::Null
2956                .try_to_scalar_value(&ConcreteDataType::json_datatype())
2957                .unwrap()
2958        );
2959
2960        assert_eq!(
2961            ScalarValue::new_null_list(ArrowDataType::Boolean, true, 1),
2962            Value::Null
2963                .try_to_scalar_value(&ConcreteDataType::list_datatype(Arc::new(
2964                    ConcreteDataType::boolean_datatype()
2965                )))
2966                .unwrap()
2967        );
2968
2969        assert_eq!(
2970            ScalarStructBuilder::new_null(build_struct_type().as_arrow_fields()),
2971            Value::Null
2972                .try_to_scalar_value(&ConcreteDataType::struct_datatype(build_struct_type()))
2973                .unwrap()
2974        );
2975    }
2976
2977    #[test]
2978    fn test_list_value_to_scalar_value() {
2979        let items = vec![Value::Int32(-1), Value::Null];
2980        let item_type = Arc::new(ConcreteDataType::int32_datatype());
2981        let list = Value::List(ListValue::new(items, item_type.clone()));
2982        let df_list = list
2983            .try_to_scalar_value(&ConcreteDataType::list_datatype(item_type.clone()))
2984            .unwrap();
2985        assert!(matches!(df_list, ScalarValue::List(_)));
2986        match df_list {
2987            ScalarValue::List(vs) => {
2988                assert_eq!(
2989                    ArrowDataType::List(Arc::new(Field::new_list_field(
2990                        ArrowDataType::Int32,
2991                        true
2992                    ))),
2993                    *vs.data_type()
2994                );
2995
2996                let vs = ScalarValue::convert_array_to_scalar_vec(vs.as_ref())
2997                    .unwrap()
2998                    .into_iter()
2999                    .flatten()
3000                    .collect::<Vec<_>>();
3001                assert_eq!(
3002                    vs,
3003                    vec![ScalarValue::Int32(Some(-1)), ScalarValue::Int32(None)]
3004                );
3005            }
3006            _ => unreachable!(),
3007        }
3008    }
3009
3010    #[test]
3011    fn test_struct_value_to_scalar_value() {
3012        let struct_value = build_struct_value();
3013        let scalar_value = struct_value
3014            .try_to_scalar_value(&build_struct_type())
3015            .unwrap();
3016
3017        assert_eq!(scalar_value, build_scalar_struct_value());
3018
3019        assert!(matches!(scalar_value, ScalarValue::Struct(_)));
3020        match scalar_value {
3021            ScalarValue::Struct(values) => {
3022                assert_eq!(&build_struct_type().as_arrow_fields(), values.fields());
3023
3024                assert_eq!(
3025                    ScalarValue::try_from_array(values.column(0), 0).unwrap(),
3026                    ScalarValue::Int32(Some(1))
3027                );
3028                assert_eq!(
3029                    ScalarValue::try_from_array(values.column(1), 0).unwrap(),
3030                    ScalarValue::Utf8(Some("tom".into()))
3031                );
3032                assert_eq!(
3033                    ScalarValue::try_from_array(values.column(2), 0).unwrap(),
3034                    ScalarValue::UInt8(Some(25))
3035                );
3036                assert_eq!(
3037                    ScalarValue::try_from_array(values.column(3), 0).unwrap(),
3038                    ScalarValue::Utf8(Some("94038".into()))
3039                );
3040            }
3041            _ => panic!("Unexpected value type"),
3042        }
3043    }
3044
3045    #[test]
3046    fn test_timestamp_to_scalar_value() {
3047        assert_eq!(
3048            ScalarValue::TimestampSecond(Some(1), None),
3049            timestamp_to_scalar_value(TimeUnit::Second, Some(1))
3050        );
3051        assert_eq!(
3052            ScalarValue::TimestampMillisecond(Some(1), None),
3053            timestamp_to_scalar_value(TimeUnit::Millisecond, Some(1))
3054        );
3055        assert_eq!(
3056            ScalarValue::TimestampMicrosecond(Some(1), None),
3057            timestamp_to_scalar_value(TimeUnit::Microsecond, Some(1))
3058        );
3059        assert_eq!(
3060            ScalarValue::TimestampNanosecond(Some(1), None),
3061            timestamp_to_scalar_value(TimeUnit::Nanosecond, Some(1))
3062        );
3063    }
3064
3065    #[test]
3066    fn test_time_to_scalar_value() {
3067        assert_eq!(
3068            ScalarValue::Time32Second(Some(1)),
3069            time_to_scalar_value(TimeUnit::Second, Some(1)).unwrap()
3070        );
3071        assert_eq!(
3072            ScalarValue::Time32Millisecond(Some(1)),
3073            time_to_scalar_value(TimeUnit::Millisecond, Some(1)).unwrap()
3074        );
3075        assert_eq!(
3076            ScalarValue::Time64Microsecond(Some(1)),
3077            time_to_scalar_value(TimeUnit::Microsecond, Some(1)).unwrap()
3078        );
3079        assert_eq!(
3080            ScalarValue::Time64Nanosecond(Some(1)),
3081            time_to_scalar_value(TimeUnit::Nanosecond, Some(1)).unwrap()
3082        );
3083    }
3084
3085    #[test]
3086    fn test_duration_to_scalar_value() {
3087        assert_eq!(
3088            ScalarValue::DurationSecond(Some(1)),
3089            duration_to_scalar_value(TimeUnit::Second, Some(1))
3090        );
3091        assert_eq!(
3092            ScalarValue::DurationMillisecond(Some(1)),
3093            duration_to_scalar_value(TimeUnit::Millisecond, Some(1))
3094        );
3095        assert_eq!(
3096            ScalarValue::DurationMicrosecond(Some(1)),
3097            duration_to_scalar_value(TimeUnit::Microsecond, Some(1))
3098        );
3099        assert_eq!(
3100            ScalarValue::DurationNanosecond(Some(1)),
3101            duration_to_scalar_value(TimeUnit::Nanosecond, Some(1))
3102        );
3103    }
3104
3105    fn check_value_ref_size_eq(value_ref: &ValueRef, size: usize) {
3106        assert_eq!(value_ref.data_size(), size);
3107    }
3108
3109    #[test]
3110    fn test_value_ref_estimated_size() {
3111        check_value_ref_size_eq(&ValueRef::Null, 8);
3112        check_value_ref_size_eq(&ValueRef::Boolean(true), 1);
3113        check_value_ref_size_eq(&ValueRef::UInt8(1), 1);
3114        check_value_ref_size_eq(&ValueRef::UInt16(1), 2);
3115        check_value_ref_size_eq(&ValueRef::UInt32(1), 4);
3116        check_value_ref_size_eq(&ValueRef::UInt64(1), 8);
3117        check_value_ref_size_eq(&ValueRef::Int8(1), 1);
3118        check_value_ref_size_eq(&ValueRef::Int16(1), 2);
3119        check_value_ref_size_eq(&ValueRef::Int32(1), 4);
3120        check_value_ref_size_eq(&ValueRef::Int64(1), 8);
3121        check_value_ref_size_eq(&ValueRef::Float32(1.0.into()), 4);
3122        check_value_ref_size_eq(&ValueRef::Float64(1.0.into()), 8);
3123        check_value_ref_size_eq(&ValueRef::String("greptimedb"), 10);
3124        check_value_ref_size_eq(&ValueRef::Binary(b"greptimedb"), 10);
3125        check_value_ref_size_eq(&ValueRef::Date(Date::new(1)), 4);
3126        check_value_ref_size_eq(&ValueRef::Timestamp(Timestamp::new_millisecond(1)), 16);
3127        check_value_ref_size_eq(&ValueRef::Time(Time::new_millisecond(1)), 16);
3128        check_value_ref_size_eq(&ValueRef::IntervalYearMonth(IntervalYearMonth::new(1)), 4);
3129        check_value_ref_size_eq(&ValueRef::IntervalDayTime(IntervalDayTime::new(1, 2)), 8);
3130        check_value_ref_size_eq(
3131            &ValueRef::IntervalMonthDayNano(IntervalMonthDayNano::new(1, 2, 3)),
3132            16,
3133        );
3134        check_value_ref_size_eq(&ValueRef::Duration(Duration::new_millisecond(1)), 16);
3135        check_value_ref_size_eq(
3136            &ValueRef::List(ListValueRef::Ref {
3137                val: &ListValue {
3138                    items: vec![
3139                        Value::String("hello world".into()),
3140                        Value::String("greptimedb".into()),
3141                    ],
3142                    datatype: Arc::new(ConcreteDataType::string_datatype()),
3143                },
3144            }),
3145            30,
3146        );
3147
3148        let data = vec![
3149            Some(vec![Some(1), Some(2), Some(3)]),
3150            None,
3151            Some(vec![Some(4), None, Some(6)]),
3152        ];
3153        let item_type = Arc::new(ConcreteDataType::int32_datatype());
3154        let mut builder = ListVectorBuilder::with_type_capacity(item_type.clone(), 8);
3155        for vec_opt in &data {
3156            if let Some(vec) = vec_opt {
3157                let values = vec.iter().map(|v| Value::from(*v)).collect();
3158                let list_value = ListValue::new(values, item_type.clone());
3159
3160                builder.push(Some(ListValueRef::Ref { val: &list_value }));
3161            } else {
3162                builder.push(None);
3163            }
3164        }
3165        let vector = builder.finish();
3166
3167        check_value_ref_size_eq(
3168            &ValueRef::List(ListValueRef::Indexed {
3169                vector: &vector,
3170                idx: 0,
3171            }),
3172            74,
3173        );
3174        check_value_ref_size_eq(
3175            &ValueRef::List(ListValueRef::Indexed {
3176                vector: &vector,
3177                idx: 1,
3178            }),
3179            74,
3180        );
3181        check_value_ref_size_eq(
3182            &ValueRef::List(ListValueRef::Indexed {
3183                vector: &vector,
3184                idx: 2,
3185            }),
3186            74,
3187        );
3188        check_value_ref_size_eq(&ValueRef::Decimal128(Decimal128::new(1234, 3, 1)), 32);
3189
3190        check_value_ref_size_eq(
3191            &ValueRef::Struct(StructValueRef::Ref(&build_struct_value())),
3192            31,
3193        );
3194
3195        check_value_ref_size_eq(
3196            &ValueRef::Json(Box::new(
3197                [
3198                    ("id", JsonVariantRef::from(1i64)),
3199                    ("name", "tom".into()),
3200                    ("age", 25u64.into()),
3201                    ("address", "94038".into()),
3202                    ("awards", [true, false].into()),
3203                ]
3204                .into(),
3205            )),
3206            48,
3207        );
3208    }
3209
3210    #[test]
3211    fn test_incorrect_default_value_issue_3479() {
3212        let value = OrderedF64::from(0.047318541668048164);
3213        let serialized = serde_json::to_string(&value).unwrap();
3214        let deserialized: OrderedF64 = serde_json::from_str(&serialized).unwrap();
3215        assert_eq!(value, deserialized);
3216    }
3217}
datatypes/value.rs

datatypes/
value.rs
