AggregateExec: Take grouping sets into account for InputOrderMode #11301
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I think clippy is failing on this PR due to #11302 |
alamb
approved these changes
Jul 6, 2024
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Makes senes to me. Thank you @thinkharderdev
I also double checked test coverage by running the new unit test without the changes in this PR and it indeed fails as expected
thread 'aggregates::tests::test_agg_exec_group_by_const' panicked at datafusion/physical-plan/src/aggregates/mod.rs:2360:9:
assertion `left == right` failed:
expected:
[
"+-----+-----+-------+----------+",
"| a | b | const | 1[count] |",
"+-----+-----+-------+----------+",
"| | | 1 | 32768 |",
"| | 0.0 | | 32768 |",
"| 0.0 | | | 32768 |",
"+-----+-----+-------+----------+",
]
actual:
[
"+-----+-----+-------+----------+",
"| a | b | const | 1[count] |",
"+-----+-----+-------+----------+",
"| | | 1 | 16384 |",
"| | | 1 | 16384 |",
"| | 0.0 | | 16384 |",
"| | 0.0 | | 8192 |",
"| | 0.0 | | 8192 |",
"| 0.0 | | | 16384 |",
"| 0.0 | | | 8192 |",
"| 0.0 | | | 8192 |",
"+-----+-----+-------+----------+",
]
| } else { | ||
| InputOrderMode::Linear | ||
| }; | ||
| let indices: Vec<usize> = indices |
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I recommend adding a comment here (perhaps copied from the description of the PR) explaining the subtelty involving grouping sets
| let aggregates: Vec<Arc<dyn AggregateExpr>> = vec![create_aggregate_expr( | ||
| count_udaf().as_ref(), | ||
| &[lit(1)], | ||
| &[Expr::Literal(ScalarValue::Int32(Some(1)))], |
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I think you could make this more concise like this (and ensure the type is correct)
Suggested change
| &[Expr::Literal(ScalarValue::Int32(Some(1)))], | |
| &[lit(1i32)], |
thinkharderdev
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Jul 8, 2024
…ache#11301) * AggregateExec: Take grouping sets into account for InputOrderMode * pr comments
thinkharderdev
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Jul 8, 2024
…ache#11301) * AggregateExec: Take grouping sets into account for InputOrderMode * pr comments # Conflicts: # datafusion/physical-plan/src/aggregates/mod.rs
findepi
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Jul 16, 2024
…ache#11301) * AggregateExec: Take grouping sets into account for InputOrderMode * pr comments
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Which issue does this PR close?
Closes #11291
Rationale for this change
Fixes incorrect
InputOrderModewhen aggregation has grouping setsWhat changes are included in this PR?
When deriving indices for ordered preset, explicitly check all expanded grouping sets
Are these changes tested?
Yes
Are there any user-facing changes?
No
No