16935267080

Committed 13 Aug 2025 11:00AM UTC coverage: 24.312% (-63.3%) from 87.658%

Build # 16935267080

Build Type

Pull #4226

github

Committed by

web-flow

Commit Message

Merge 81b48c7fb into baa6ea202

Pull Request Pull Request #4226: Support converting TimestampTZ to and from duckdb

Run Details

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26.67

/vortex-expr/src/transform/remove_select.rs

// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: Copyright the Vortex contributors

use vortex_error::{VortexResult, vortex_err};

use crate::traversal::{Node, Transformed};
use crate::{DType, ExprRef, SelectVTable, get_item, pack};

/// Replaces [crate::SelectExpr] with combination of [crate::GetItem] and [crate::Pack] expressions.
pub(crate) fn remove_select(e: ExprRef, ctx: &DType) -> VortexResult<ExprRef> {
    e.transform_up(|node| remove_select_transformer(node, ctx))
        .map(|e| e.into_inner())
}

fn remove_select_transformer(node: ExprRef, ctx: &DType) -> VortexResult<Transformed<ExprRef>> {
    match node.as_opt::<SelectVTable>() {
        None => Ok(Transformed::no(node)),
        Some(select) => {
            let child = select.child();
            let child_dtype = child.return_dtype(ctx)?;
            let child_nullability = child_dtype.nullability();

            let child_dtype = child_dtype.as_struct().ok_or_else(|| {
                vortex_err!(
                    "Select child must return a struct dtype, however it was a {}",
                    child_dtype
                )
            })?;

            let expr = pack(
                select
                    .fields()
                    .as_include_names(child_dtype.names())
                    .map_err(|e| {
                        e.with_context(format!(
                            "Select fields {:?} must be a subset of child fields {:?}",
                            select.fields(),
                            child_dtype.names()
                        ))
                    })?
                    .iter()
                    .map(|name| (name.clone(), get_item(name.clone(), child.clone()))),
                child_nullability,
            );

            Ok(Transformed::yes(expr))
        }
    }
}

#[cfg(test)]
mod tests {

    use vortex_dtype::Nullability::Nullable;
    use vortex_dtype::PType::I32;
    use vortex_dtype::{DType, StructFields};

    use crate::transform::remove_select::remove_select;
    use crate::{PackVTable, root, select};

    #[test]
    fn test_remove_select() {
        let dtype = DType::Struct(
            StructFields::new(["a", "b"].into(), vec![I32.into(), I32.into()]),
            Nullable,
        );
        let e = select(["a", "b"], root());
        let e = remove_select(e, &dtype).unwrap();

        assert!(e.is::<PackVTable>());
        assert!(e.return_dtype(&dtype).unwrap().is_nullable());
    }
}

1	// SPDX-License-Identifier: Apache-2.0
2	// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4	use vortex_error::{VortexResult, vortex_err};
5
6	use crate::traversal::{Node, Transformed};
7	use crate::{DType, ExprRef, SelectVTable, get_item, pack};
8
9	/// Replaces [crate::SelectExpr] with combination of [crate::GetItem] and [crate::Pack] expressions.
10	pub(crate) fn remove_select(e: ExprRef, ctx: &DType) -> VortexResult<ExprRef> {	14✔
11	e.transform_up(\|node\| remove_select_transformer(node, ctx))	48✔
12	.map(\|e\| e.into_inner())	14✔
13	}	14✔
14
15	fn remove_select_transformer(node: ExprRef, ctx: &DType) -> VortexResult<Transformed<ExprRef>> {	48✔
16	match node.as_opt::<SelectVTable>() {	48✔
17	None => Ok(Transformed::no(node)),	48✔
UNCOV 18	Some(select) => {	×
UNCOV 19	let child = select.child();	×
UNCOV 20	let child_dtype = child.return_dtype(ctx)?;	×
UNCOV 21	let child_nullability = child_dtype.nullability();	×
22
UNCOV 23	let child_dtype = child_dtype.as_struct().ok_or_else(\|\| {	×
24	vortex_err!(	×
25	"Select child must return a struct dtype, however it was a {}",	×
26	child_dtype
27	)
28	})?;	×
29
UNCOV 30	let expr = pack(	×
UNCOV 31	select	×
UNCOV 32	.fields()	×
UNCOV 33	.as_include_names(child_dtype.names())	×
UNCOV 34	.map_err(\|e\| {	×
35	e.with_context(format!(	×
36	"Select fields {:?} must be a subset of child fields {:?}",	×
37	select.fields(),	×
38	child_dtype.names()	×
39	))
40	})?	×
UNCOV 41	.iter()	×
UNCOV 42	.map(\|name\| (name.clone(), get_item(name.clone(), child.clone()))),	×
UNCOV 43	child_nullability,	×
44	);
45
UNCOV 46	Ok(Transformed::yes(expr))	×
47	}
48	}
49	}	48✔
50
51	#[cfg(test)]
52	mod tests {
53
54	use vortex_dtype::Nullability::Nullable;
55	use vortex_dtype::PType::I32;
56	use vortex_dtype::{DType, StructFields};
57
58	use crate::transform::remove_select::remove_select;
59	use crate::{PackVTable, root, select};
60
61	#[test]
62	fn test_remove_select() {
63	let dtype = DType::Struct(
64	StructFields::new(["a", "b"].into(), vec![I32.into(), I32.into()]),
65	Nullable,
66	);
67	let e = select(["a", "b"], root());
68	let e = remove_select(e, &dtype).unwrap();
69
70	assert!(e.is::<PackVTable>());
71	assert!(e.return_dtype(&dtype).unwrap().is_nullable());
72	}
73	}

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