vortex-array 0.14.0

Vortex in memory columnar data format
Documentation 
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
133
134
135
136
137
138
139
140
141
142
143
144

use vortex_datetime_dtype::{TemporalMetadata, TimeUnit};

use crate::array::{PrimitiveArray, TemporalArray};
use crate::validity::Validity;
use crate::{IntoArray, IntoArrayVariant};

macro_rules! test_temporal_roundtrip {
    ($prim:ty, $constructor:expr, $unit:expr) => {{
        let array =
            PrimitiveArray::from_vec(vec![100 as $prim], Validity::NonNullable).into_array();
        let temporal: TemporalArray = $constructor(array, $unit);
        let prims = temporal.temporal_values().into_primitive().unwrap();

        assert_eq!(
            prims.maybe_null_slice::<$prim>(),
            vec![100 as $prim].as_slice(),
        );
        assert_eq!(temporal.temporal_metadata().time_unit(), $unit);
    }};
}

macro_rules! test_success_case {
    ($name:ident, $prim:ty, $constructor:expr, $unit:expr) => {
        #[test]
        fn $name() {
            test_temporal_roundtrip!($prim, $constructor, $unit);
        }
    };
}

macro_rules! test_fail_case {
    ($name:ident, $prim:ty, $constructor:expr, $unit:expr) => {
        #[test]
        #[should_panic]
        fn $name() {
            test_temporal_roundtrip!($prim, $constructor, $unit)
        }
    };
}

// Time32 conformance tests
test_success_case!(
    test_roundtrip_time32_second,
    i32,
    TemporalArray::new_time,
    TimeUnit::S
);
test_success_case!(
    test_roundtrip_time32_millisecond,
    i32,
    TemporalArray::new_time,
    TimeUnit::Ms
);
test_fail_case!(
    test_fail_time32_micro,
    i32,
    TemporalArray::new_time,
    TimeUnit::Us
);
test_fail_case!(
    test_fail_time32_nano,
    i32,
    TemporalArray::new_time,
    TimeUnit::Ns
);

// Time64 conformance tests
test_success_case!(
    test_roundtrip_time64_us,
    i64,
    TemporalArray::new_time,
    TimeUnit::Us
);
test_success_case!(
    test_roundtrip_time64_ns,
    i64,
    TemporalArray::new_time,
    TimeUnit::Ns
);
test_fail_case!(
    test_fail_time64_ms,
    i64,
    TemporalArray::new_time,
    TimeUnit::Ms
);
test_fail_case!(
    test_fail_time64_s,
    i64,
    TemporalArray::new_time,
    TimeUnit::S
);
test_fail_case!(
    test_fail_time64_i32,
    i32,
    TemporalArray::new_time,
    TimeUnit::Ns
);

// Date32 conformance tests
test_success_case!(
    test_roundtrip_date32,
    i32,
    TemporalArray::new_date,
    TimeUnit::D
);
test_fail_case!(test_fail_date32, i64, TemporalArray::new_date, TimeUnit::D);

// Date64 conformance tests
test_success_case!(
    test_roundtrip_date64,
    i64,
    TemporalArray::new_date,
    TimeUnit::Ms
);
test_fail_case!(test_fail_date64, i32, TemporalArray::new_date, TimeUnit::Ms);

// We test Timestamp explicitly to avoid the macro getting too complex.
#[test]
fn test_timestamp() {
    let ts = PrimitiveArray::from_vec(vec![100i64], Validity::NonNullable);
    let ts_array = ts.clone().into_array();

    for unit in [TimeUnit::S, TimeUnit::Ms, TimeUnit::Us, TimeUnit::Ns] {
        for tz in [Some("UTC".to_string()), None] {
            let temporal_array = TemporalArray::new_timestamp(ts_array.clone(), unit, tz.clone());

            let values = temporal_array.temporal_values().into_primitive().unwrap();
            assert_eq!(values.maybe_null_slice::<i64>(), vec![100i64].as_slice());
            assert_eq!(
                temporal_array.temporal_metadata(),
                &TemporalMetadata::Timestamp(unit, tz)
            );
        }
    }
}

#[test]
#[should_panic]
fn test_timestamp_fails_i32() {
    let ts = PrimitiveArray::from_vec(vec![100i32], Validity::NonNullable);
    let ts_array = ts.clone().into_array();

    let _ = TemporalArray::new_timestamp(ts_array.clone(), TimeUnit::S, None);
}