feat: enhance ClickHouse dialect with EXCEPT, REPLACE, PREWHERE, and OPTIMIZE TABLE support #1920
Conversation
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
…OPTIMIZE TABLE support Add comprehensive support for advanced ClickHouse features: - Fix EXCEPT clause parsing conflict between SET operations and wildcard EXCEPT - Add REPLACE clause support for wildcard expressions - Add PREWHERE clause support for optimized filtering - Add AggregateFunction data type support - Add OPTIMIZE TABLE statement support - Add extensive test fixtures covering all new features Technical changes: - Use LookaheadExclude to resolve EXCEPT parsing ambiguity - Extend WildcardExpressionSegment with EXCEPT and REPLACE clauses - Add PrewhereClauseSegment to SELECT statements - Add OptimizeTableStatementSegment with full syntax support - Add AggregateFunction to DatatypeSegment definitions 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
7 tasks
Benchmark for b7546faClick to view benchmark
|
|
Looks like there are a few issues preventing this PR from being merged!
If you'd like me to help, just leave a comment, like Feel free to include any additional details that might help me get this PR into a better state. You can manage your notification settings |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
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Outdated suggestions cannot be applied.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 comprehensive support for advanced ClickHouse features:
Technical changes:
🤖 Generated with Claude Code
Co-Authored-By: Claude [email protected]