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[BugFix] fix partition min/max prune with null-value partitions #53235

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murphyatwork
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@murphyatwork murphyatwork commented Nov 27, 2024

Why I'm doing:

create table t2(user_id int, dt datetime) partition by date_trunc('day', dt);
insert into t2 values (1, '2024-10-05 01:01:01'), (2, '2024-10-06 02:02:02'), (3, '2024-10-07 03:03:03'), (4, NULL);
select min(dt), max(dt) from t2;

For this case, we need to rule out NULL partition when doing min/max partition pruning, because min/max aggregation function itself also rule out NULL values.

What I'm doing:

Fixes #issue

What type of PR is this:

  • BugFix
  • Feature
  • Enhancement
  • Refactor
  • UT
  • Doc
  • Tool

Does this PR entail a change in behavior?

  • Yes, this PR will result in a change in behavior.
  • No, this PR will not result in a change in behavior.

If yes, please specify the type of change:

  • Interface/UI changes: syntax, type conversion, expression evaluation, display information
  • Parameter changes: default values, similar parameters but with different default values
  • Policy changes: use new policy to replace old one, functionality automatically enabled
  • Feature removed
  • Miscellaneous: upgrade & downgrade compatibility, etc.

Checklist:

  • I have added test cases for my bug fix or my new feature
  • This pr needs user documentation (for new or modified features or behaviors)
    • I have added documentation for my new feature or new function
  • This is a backport pr

Bugfix cherry-pick branch check:

  • I have checked the version labels which the pr will be auto-backported to the target branch
    • 3.4
    • 3.3
    • 3.2
    • 3.1
    • 3.0

Seaven
Seaven previously approved these changes Nov 27, 2024
LiShuMing
LiShuMing previously approved these changes Nov 27, 2024
@murphyatwork murphyatwork dismissed stale reviews from LiShuMing and Seaven via c596f66 November 27, 2024 07:32
@murphyatwork murphyatwork force-pushed the murphy_fix_partition_prune_null branch 2 times, most recently from d11e0d3 to cf51d7e Compare November 28, 2024 07:58
LiShuMing
LiShuMing previously approved these changes Nov 29, 2024
@murphyatwork murphyatwork enabled auto-merge (squash) November 29, 2024 07:28
* @return
*/
@Override
public List<Long> getNullValuePartitions() {
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why not use Set<Long>?

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fixed

wyb
wyb previously approved these changes Dec 2, 2024
@murphyatwork murphyatwork force-pushed the murphy_fix_partition_prune_null branch from 14328c8 to d9982da Compare December 3, 2024 02:00
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github-actions bot commented Dec 3, 2024

[FE Incremental Coverage Report]

pass : 24 / 27 (88.89%)

file detail

path covered_line new_line coverage not_covered_line_detail
🔵 com/starrocks/catalog/PartitionInfo.java 0 1 00.00% [263]
🔵 com/starrocks/sql/optimizer/rule/transformation/PartitionColumnMinMaxRewriteRule.java 10 11 90.91% [253]
🔵 com/starrocks/catalog/ListPartitionInfo.java 10 11 90.91% [634]
🔵 com/starrocks/catalog/RangePartitionInfo.java 4 4 100.00% []

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github-actions bot commented Dec 3, 2024

[Java-Extensions Incremental Coverage Report]

pass : 0 / 0 (0%)

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github-actions bot commented Dec 3, 2024

[BE Incremental Coverage Report]

pass : 0 / 0 (0%)

@murphyatwork murphyatwork merged commit 5bad4af into StarRocks:main Dec 3, 2024
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github-actions bot commented Dec 3, 2024

@Mergifyio backport branch-3.4

@github-actions github-actions bot removed the 3.4 label Dec 3, 2024
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github-actions bot commented Dec 3, 2024

@Mergifyio backport branch-3.3

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github-actions bot commented Dec 3, 2024

@Mergifyio backport branch-3.2

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mergify bot commented Dec 3, 2024

backport branch-3.4

✅ Backports have been created

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mergify bot commented Dec 3, 2024

backport branch-3.3

✅ Backports have been created

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mergify bot commented Dec 3, 2024

backport branch-3.2

✅ Backports have been created

mergify bot pushed a commit that referenced this pull request Dec 3, 2024
mergify bot pushed a commit that referenced this pull request Dec 3, 2024
mergify bot pushed a commit that referenced this pull request Dec 3, 2024
Signed-off-by: Murphy <[email protected]>
(cherry picked from commit 5bad4af)

# Conflicts:
#	fe/fe-core/src/main/java/com/starrocks/catalog/ListPartitionInfo.java
#	fe/fe-core/src/main/java/com/starrocks/catalog/RangePartitionInfo.java
#	fe/fe-core/src/main/java/com/starrocks/sql/optimizer/rule/transformation/PartitionColumnMinMaxRewriteRule.java
#	fe/fe-core/src/test/java/com/starrocks/sql/plan/PartitionPruneTest.java
wanpengfei-git pushed a commit that referenced this pull request Dec 4, 2024
wanpengfei-git pushed a commit that referenced this pull request Dec 4, 2024
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4 participants