release-24.1: plpgsql: disallow txn control in udfs and nested procedures #123003
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Outdated suggestions cannot be applied.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.
Backport 1/1 commits from #122657.
/cc @cockroachdb/release
This patch adds validation for transaction control statements, so that attempting to use them from within a UDF results in an error. In addition, attempting to use a transaction control statement from a nested stored procedure call will now result in an "unimplemented" error.
Informs #122266
Release note: None
Release justification: prevent invalid txn control in PL/pgSQL routines