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

datatypes/
value.rs
