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planner: Optimized EXTRACT(<UNIT> FROM <partition_column>) for partition pruning. (#54209) #55178
planner: Optimized EXTRACT(<UNIT> FROM <partition_column>) for partition pruning. (#54209) #55178
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Co-authored-by: Hangjie Mo <[email protected]>
/retest |
/retest |
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## release-8.1 #55178 +/- ##
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Coverage ? 71.8157%
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Files ? 1466
Lines ? 428533
Branches ? 0
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Hits ? 307754
Misses ? 100293
Partials ? 20486
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: mjonss, xhebox The full list of commands accepted by this bot can be found here. The pull request process is described here
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This is an automated cherry-pick of #54209
What problem does this PR solve?
Issue Number: close #54210
Problem Summary:
the expression
EXTRACT(<time unit> FROM col)
is not handled for partition pruning.What changed and how does it work?
Treat the expression as prunable for all time units except WEEK (due to
default_week_format
).Meaning all prunable expressions will work with EQ/
col = <date/datetime/time>
.For DATE/DATETIME columns, it also optimizes YEAR and YEAR_MONTH to also work with ranges (<, <=, >, >=, BETWEEN), and for TIME columns it also optimizes HOUR, HOUR_MINUTE, HOUR_SECOND and HOUR_MICROSECOND for ranges.
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