fix: normalize table references in policy expressions#226
Merged
tianzhou merged 1 commit intopgplex:mainfrom Jan 5, 2026
Merged
Conversation
Following the pattern established in PR pgplex#222 for function qualifiers, this extends policy expression normalization to also strip same-schema qualifiers from table references. When a policy expression contains a subquery like: FROM public.users u PostgreSQL's pg_get_expr() returns it without the schema qualifier: FROM users u This caused perpetual diffs because pgschema added the qualifier back. The fix applies the same normalization approach: strip schema qualifiers from table references when they match the target schema. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
|
You have reached your Codex usage limits for code reviews. You can see your limits in the Codex usage dashboard. |
tianzhou
approved these changes
Jan 5, 2026
Contributor
tianzhou
left a comment
tianzhou
left a comment
There was a problem hiding this comment.
LGTM. Thanks for the fix.
alecthomas
pushed a commit
to alecthomas/pgschema
that referenced
this pull request
Jan 26, 2026
…gplex#226) Following the pattern established in PR pgplex#222 for function qualifiers, this extends policy expression normalization to also strip same-schema qualifiers from table references. When a policy expression contains a subquery like: FROM public.users u PostgreSQL's pg_get_expr() returns it without the schema qualifier: FROM users u This caused perpetual diffs because pgschema added the qualifier back. The fix applies the same normalization approach: strip schema qualifiers from table references when they match the target schema. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
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.
Summary
Fixes #224 - Perpetual diffs when policy expressions contain table references in same-schema subqueries.
Following the pattern established in PR #222 for function qualifiers, this extends policy expression normalization to also strip same-schema qualifiers from table references.
Problem:
USING (user_id IN (SELECT u.id FROM users u))FROM public.users upg_get_expr()returns:FROM users uSolution:
schema.identifierfollowed by whitespace, comma,), or end of stringChanges
ir/normalize.go: ExtendednormalizePolicyExpression()to normalize table referencestestdata/diff/create_policy/same_schema_table_reference/: New test caseTest plan
PGSCHEMA_TEST_FILTER="create_policy/same_schema_table_reference" go test ./internal/diff -run TestDiffFromFilesPGSCHEMA_TEST_FILTER="create_policy/same_schema_table_reference" go test ./cmd -run TestPlanAndApplyPGSCHEMA_TEST_FILTER="create_policy/" go test ./internal/diff -run TestDiffFromFiles🤖 Generated with Claude Code