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[CH] Merge two phase hash-based aggregate into one aggregate in the spark plan when there is no shuffle #4668

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zzcclp opened this issue Feb 7, 2024 · 0 comments · Fixed by #4669
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enhancement New feature or request

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zzcclp commented Feb 7, 2024

Description

Merge two phase hash-based aggregate into one aggregate in the spark plan when there is no shuffle:
Examples:

 HashAggregate(t1.i, SUM, final)
                |                                 =>    HashAggregate(t1.i, SUM, complete)
 HashAggregate(t1.i, SUM, partial)

now this feature only support for CH backend.

@zzcclp zzcclp added the enhancement New feature or request label Feb 7, 2024
zzcclp added a commit to zzcclp/gluten that referenced this issue Feb 7, 2024
…gate in the spark plan when there is no shuffle

Examples:

 HashAggregate(t1.i, SUM, final)
                |                  =>    HashAggregate(t1.i, SUM, complete)
 HashAggregate(t1.i, SUM, partial)

now this feature only support for CH backend.

Close apache#4668.

Co-authored-by: lgbo <lgbo.ustc@gmail.com>
zzcclp added a commit to zzcclp/gluten that referenced this issue Feb 8, 2024
…gate in the spark plan when there is no shuffle

Examples:

 HashAggregate(t1.i, SUM, final)
                |                  =>    HashAggregate(t1.i, SUM, complete)
 HashAggregate(t1.i, SUM, partial)

now this feature only support for CH backend.

Close apache#4668.

Co-authored-by: lgbo <lgbo.ustc@gmail.com>
zzcclp added a commit to zzcclp/gluten that referenced this issue Feb 8, 2024
…gate in the spark plan when there is no shuffle

Examples:

 HashAggregate(t1.i, SUM, final)
                |                  =>    HashAggregate(t1.i, SUM, complete)
 HashAggregate(t1.i, SUM, partial)

now this feature only support for CH backend.

Close apache#4668.

Co-authored-by: lgbo <lgbo.ustc@gmail.com>
zzcclp added a commit to zzcclp/gluten that referenced this issue Feb 18, 2024
…gate in the spark plan when there is no shuffle

Examples:

 HashAggregate(t1.i, SUM, final)
                |                  =>    HashAggregate(t1.i, SUM, complete)
 HashAggregate(t1.i, SUM, partial)

now this feature only support for CH backend.

Close apache#4668.

Co-authored-by: lgbo <lgbo.ustc@gmail.com>
zzcclp added a commit to zzcclp/gluten that referenced this issue Feb 20, 2024
…gate in the spark plan when there is no shuffle

Examples:

 HashAggregate(t1.i, SUM, final)
                |                  =>    HashAggregate(t1.i, SUM, complete)
 HashAggregate(t1.i, SUM, partial)

now this feature only support for CH backend.

Close apache#4668.

Co-authored-by: lgbo <lgbo.ustc@gmail.com>
zzcclp added a commit to zzcclp/gluten that referenced this issue Feb 20, 2024
…gate in the spark plan when there is no shuffle

Examples:

 HashAggregate(t1.i, SUM, final)
                |                  =>    HashAggregate(t1.i, SUM, complete)
 HashAggregate(t1.i, SUM, partial)

now this feature only support for CH backend.

Close apache#4668.

Co-authored-by: lgbo <lgbo.ustc@gmail.com>
zzcclp added a commit to zzcclp/gluten that referenced this issue Feb 20, 2024
…gate in the spark plan when there is no shuffle

Examples:

 HashAggregate(t1.i, SUM, final)
                |                  =>    HashAggregate(t1.i, SUM, complete)
 HashAggregate(t1.i, SUM, partial)

now this feature only support for CH backend.

Close apache#4668.

Co-authored-by: lgbo <lgbo.ustc@gmail.com>
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