• Home
  • Features
  • Pricing
  • Docs
  • Announcements
  • Sign In

vortex-data / vortex / 16888979360

11 Aug 2025 06:38PM UTC coverage: 86.448% (+0.1%) from 86.315%
16888979360

Pull #4177

github

web-flow
Merge be9bafd2c into 448374543
Pull Request #4177: (WIP) feat: ArrayOperations infallible

1178 of 1266 new or added lines in 146 files covered. (93.05%)

18 existing lines in 13 files now uncovered.

53531 of 61923 relevant lines covered (86.45%)

539129.92 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

61.29
/vortex-array/src/arrow/datum.rs
1
// SPDX-License-Identifier: Apache-2.0
2
// SPDX-FileCopyrightText: Copyright the Vortex contributors
3

4
use arrow_array::{Array as ArrowArray, ArrayRef as ArrowArrayRef, Datum as ArrowDatum};
5
use arrow_schema::DataType;
6
use vortex_error::{VortexResult, vortex_panic};
7

8
use crate::arrays::ConstantArray;
9
use crate::arrow::{FromArrowArray, IntoArrowArray};
10
use crate::{Array, ArrayRef, IntoArray};
11

12
/// A wrapper around a generic Arrow array that can be used as a Datum in Arrow compute.
13
#[derive(Debug)]
14
pub struct Datum {
15
    array: ArrowArrayRef,
16
    is_scalar: bool,
17
}
18

19
impl Datum {
20
    /// Create a new [`Datum`] from an [`ArrayRef`], which can then be passed to Arrow compute.
21
    pub fn try_new(array: &dyn Array) -> VortexResult<Self> {
263,683✔
22
        if array.is_constant() {
263,683✔
23
            Ok(Self {
24
                array: array.slice(0, 1).into_arrow_preferred()?,
131,034✔
25
                is_scalar: true,
26
            })
27
        } else {
28
            Ok(Self {
29
                array: array.to_array().into_arrow_preferred()?,
132,649✔
30
                is_scalar: false,
31
            })
32
        }
33
    }
263,683✔
34

35
    pub fn with_target_datatype(
×
36
        array: &dyn Array,
×
37
        target_datatype: &DataType,
×
38
    ) -> VortexResult<Self> {
×
39
        if array.is_constant() {
×
40
            Ok(Self {
NEW
41
                array: array.slice(0, 1).into_arrow(target_datatype)?,
×
42
                is_scalar: true,
43
            })
44
        } else {
45
            Ok(Self {
46
                array: array.to_array().into_arrow(target_datatype)?,
×
47
                is_scalar: false,
48
            })
49
        }
50
    }
×
51
}
52

53
impl ArrowDatum for Datum {
54
    fn get(&self) -> (&dyn ArrowArray, bool) {
263,683✔
55
        (&self.array, self.is_scalar)
263,683✔
56
    }
263,683✔
57
}
58

59
/// Convert an Arrow array to an Array with a specific length.
60
/// This is useful for compute functions that delegate to Arrow using [Datum],
61
/// which will return a scalar (length 1 Arrow array) if the input array is constant.
62
///
63
/// # Error
64
///
65
/// The provided array must have length
66
pub fn from_arrow_array_with_len<A>(array: A, len: usize, nullable: bool) -> ArrayRef
122,763✔
67
where
122,763✔
68
    ArrayRef: FromArrowArray<A>,
122,763✔
69
{
70
    let array = ArrayRef::from_arrow(array, nullable);
122,763✔
71
    if array.len() == len {
122,763✔
72
        return array;
122,762✔
73
    }
1✔
74

75
    if array.len() != 1 {
1✔
76
        vortex_panic!(
×
77
            "Array length mismatch, expected {} got {} for encoding {}",
×
78
            len,
79
            array.len(),
×
80
            array.encoding_id()
×
81
        );
82
    }
1✔
83

84
    ConstantArray::new(array.scalar_at(0), len).into_array()
1✔
85
}
122,763✔
STATUS · Troubleshooting · Open an Issue · Sales · Support · CAREERS · ENTERPRISE · START FREE · SCHEDULE DEMO
ANNOUNCEMENTS · TWITTER · TOS & SLA · Supported CI Services · What's a CI service? · Automated Testing

© 2026 Coveralls, Inc