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eq for struct #5423

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eq for struct #5423

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2560c5b
eq for struct
jayzhan211 Feb 23, 2024
052c4e1
ops on buffer
jayzhan211 Feb 24, 2024
deab05c
clippy
jayzhan211 Feb 24, 2024
1eb8d43
fold
jayzhan211 Feb 24, 2024
4b7257f
new_set
jayzhan211 Feb 24, 2024
5c19581
try fold
jayzhan211 Feb 24, 2024
c283e5e
null handling
jayzhan211 Feb 24, 2024
e71384c
fix test
jayzhan211 Feb 24, 2024
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24 changes: 13 additions & 11 deletions arrow-ord/src/cmp.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -210,17 +210,19 @@ fn compare_op(op: Op, lhs: &dyn Datum, rhs: &dyn Datum) -> Result<BooleanArray,
assert_eq!(l.num_columns(), r.num_columns());
match op {
Op::Equal => {
let mut res = BooleanArray::from(vec![true; len]);
for i in 0..l.num_columns() {
let col_l = l.column(i);
let col_r = r.column(i);
let eq_rows = compare_op(op, col_l, col_r)?;

let nulls = NullBuffer::union(res.nulls(), eq_rows.nulls());
let vals = res.values() & eq_rows.values();
res = BooleanArray::new(vals, nulls);
}
return Ok(res);
return (0..l.num_columns()).fold(
Ok(BooleanArray::from(vec![true; len])),
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Suggested change
Ok(BooleanArray::from(vec![true; len])),
Ok(BooleanArray::new(BooleanBuffer::new_set(len), None)),

This will be significantly faster

|res, i| {
let res = res?;
let col_l = l.column(i);
let col_r = r.column(i);
let eq_rows = compare_op(op, col_l, col_r)?;

let nulls = NullBuffer::union(res.nulls(), eq_rows.nulls());
let vals = res.values() & eq_rows.values();
Ok(BooleanArray::new(vals, nulls))
},
)
}
_ => {
return Err(ArrowError::NotYetImplemented(format!(
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