chore(query): Compatible with the MySQL BI Ecosystem #18909
Merged
+1,105
−637
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Outdated suggestions cannot be applied.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.
I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/
Summary
This pr modification was made to ensure compatibility with some mysql ecosystem BI software and mysql jdbc/odbc
Add missing information_schema tables (CHARACTER_SETS, REFERENTIAL_CONSTRAINTS)
and enhance MySQL federated query handling to support BI tools and JDBC/ODBC
drivers that rely on standard MySQL metadata queries.
Key changes:
db.empty_string.tablequeries)TABLETests
Type of change
This change is