Add cost based decision log for scaled writer optimizer#21120
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feilong-liu merged 1 commit intoprestodb:masterfrom Oct 19, 2023
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Add cost based decision log for scaled writer optimizer#21120feilong-liu merged 1 commit intoprestodb:masterfrom
feilong-liu merged 1 commit intoprestodb:masterfrom
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mlyublena
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Oct 11, 2023
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since this construct is used several times I wonder if we should introduce a utility function in PlannerUtils:getStatsSource(Context context, PlanNode node)
mlyublena
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Oct 11, 2023
pranjalssh
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Oct 13, 2023
presto-main/src/main/java/com/facebook/presto/sql/planner/iterative/rule/ScaledWriterRule.java
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Description
#20990 add track of whether an optimization is cost based or not. This PR adds the logging for the new optimizer added in #20901
Motivation and Context
Add logging for new optimizer.
Impact
Make log to be consistent.
Test Plan
Easy change.
Contributor checklist
Release Notes
Please follow release notes guidelines and fill in the release notes below.