1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
use std::cmp::Ordering;
use crate::array::*;
use crate::datatypes::*;
use crate::error::{ArrowError, Result};
use TimeUnit::*;
pub trait OrdArray: Array {
fn cmp_value(&self, i: usize, j: usize) -> Ordering;
}
impl<T: ArrowPrimitiveType> OrdArray for PrimitiveArray<T>
where
T::Native: std::cmp::Ord,
{
fn cmp_value(&self, i: usize, j: usize) -> Ordering {
self.value(i).cmp(&self.value(j))
}
}
impl OrdArray for StringArray {
fn cmp_value(&self, i: usize, j: usize) -> Ordering {
self.value(i).cmp(self.value(j))
}
}
impl OrdArray for NullArray {
fn cmp_value(&self, _i: usize, _j: usize) -> Ordering {
Ordering::Equal
}
}
pub fn as_ordarray(values: &ArrayRef) -> Result<&OrdArray> {
match values.data_type() {
DataType::Boolean => Ok(as_boolean_array(&values)),
DataType::Utf8 => Ok(as_string_array(&values)),
DataType::Null => Ok(as_null_array(&values)),
DataType::Int8 => Ok(as_primitive_array::<Int8Type>(&values)),
DataType::Int16 => Ok(as_primitive_array::<Int16Type>(&values)),
DataType::Int32 => Ok(as_primitive_array::<Int32Type>(&values)),
DataType::Int64 => Ok(as_primitive_array::<Int64Type>(&values)),
DataType::UInt8 => Ok(as_primitive_array::<UInt8Type>(&values)),
DataType::UInt16 => Ok(as_primitive_array::<UInt16Type>(&values)),
DataType::UInt32 => Ok(as_primitive_array::<UInt32Type>(&values)),
DataType::UInt64 => Ok(as_primitive_array::<UInt64Type>(&values)),
DataType::Date32(_) => Ok(as_primitive_array::<Date32Type>(&values)),
DataType::Date64(_) => Ok(as_primitive_array::<Date64Type>(&values)),
DataType::Time32(Second) => Ok(as_primitive_array::<Time32SecondType>(&values)),
DataType::Time32(Millisecond) => {
Ok(as_primitive_array::<Time32MillisecondType>(&values))
}
DataType::Time64(Microsecond) => {
Ok(as_primitive_array::<Time64MicrosecondType>(&values))
}
DataType::Time64(Nanosecond) => {
Ok(as_primitive_array::<Time64NanosecondType>(&values))
}
DataType::Timestamp(Second, _) => {
Ok(as_primitive_array::<TimestampSecondType>(&values))
}
DataType::Timestamp(Millisecond, _) => {
Ok(as_primitive_array::<TimestampMillisecondType>(&values))
}
DataType::Timestamp(Microsecond, _) => {
Ok(as_primitive_array::<TimestampMicrosecondType>(&values))
}
DataType::Timestamp(Nanosecond, _) => {
Ok(as_primitive_array::<TimestampNanosecondType>(&values))
}
DataType::Interval(IntervalUnit::YearMonth) => {
Ok(as_primitive_array::<IntervalYearMonthType>(&values))
}
DataType::Interval(IntervalUnit::DayTime) => {
Ok(as_primitive_array::<IntervalDayTimeType>(&values))
}
DataType::Duration(TimeUnit::Second) => {
Ok(as_primitive_array::<DurationSecondType>(&values))
}
DataType::Duration(TimeUnit::Millisecond) => {
Ok(as_primitive_array::<DurationMillisecondType>(&values))
}
DataType::Duration(TimeUnit::Microsecond) => {
Ok(as_primitive_array::<DurationMicrosecondType>(&values))
}
DataType::Duration(TimeUnit::Nanosecond) => {
Ok(as_primitive_array::<DurationNanosecondType>(&values))
}
t => Err(ArrowError::ComputeError(format!(
"Lexical Sort not supported for data type {:?}",
t
))),
}
}