IGNITE-28389 SQL. Eliminate table scans with always_false predicate#7959
Open
AMashenkov wants to merge 12 commits intomainfrom
Open
IGNITE-28389 SQL. Eliminate table scans with always_false predicate#7959AMashenkov wants to merge 12 commits intomainfrom
AMashenkov wants to merge 12 commits intomainfrom
Conversation
AMashenkov
changed the title
korlov42
reviewed
Apr 14, 2026
| RelNode singleValue = call.builder().values(List.of(List.of(zeroLiteral)), singleRel.getRowType()).build(); | ||
|
|
||
| RelTraitSet traits = singleRel.getTraitSet(); | ||
| // propagate all traits (except convention) from the original singleRel |
Contributor
There was a problem hiding this comment.
why do we need this extra step of trait propagation? I think it's ok to emit logical node with default set of traits. Conversion to physical + trait propagation will do the job
| SELECT /*+ DISABLE_RULE('NestedLoopJoinConverter', 'HashJoinConverter', 'CorrelatedNestedLoopJoin') */ * | ||
| FROM t1_n1n2n3 as t1, t1_n1n2n3 as t2 | ||
| WHERE t1.id = t2.id and t1.id IN (1, 3) and t2.id IN (42, 44) | ||
| --- |
Contributor
There was a problem hiding this comment.
I think it's better to remove this test case completely because empty Values node doesn't bring much value for partition pruning test scenarios
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Thank you for submitting the pull request.
To streamline the review process of the patch and ensure better code quality
we ask both an author and a reviewer to verify the following:
The Review Checklist
- There is a single JIRA ticket related to the pull request.
- The web-link to the pull request is attached to the JIRA ticket.
- The JIRA ticket has the Patch Available state.
- The description of the JIRA ticket explains WHAT was made, WHY and HOW.
- The pull request title is treated as the final commit message. The following pattern must be used: IGNITE-XXXX Change summary where XXXX - number of JIRA issue.
Notes