[CALCITE-4562] Improve simplification of "expression IS TRUE" - #2386
Closed
alex-plekhanov wants to merge 1 commit into
Closed
[CALCITE-4562] Improve simplification of "expression IS TRUE"#2386alex-plekhanov wants to merge 1 commit into
alex-plekhanov wants to merge 1 commit into
Conversation
Add pass of "unknown as" context to simplifyLike. Add recursive call to simplifyNot in case when underlying expression is simplified (to cover cases like "NOT (x LIKE '%')" with "unknown as TRUE" context). Add "unknown as" context specification for IS_FALSE and IS_NOT_TRUE expressions.
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
1 participant
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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.
Add pass of "unknown as" context to simplifyLike.
Add recursive call to simplifyNot in case when underlying expression is
simplified (to cover cases like "NOT (x LIKE '%')" with "unknown as
TRUE" context).
Add "unknown as" context specification for IS_FALSE and IS_NOT_TRUE
expressions.