fix(pgsql): support aggregate operator projections

[zinic]

Description

Resolves: <TICKET_OR_ISSUE_NUMBER>

Type of Change

• Chore (a change that does not modify the application functionality)
• Bug fix (a change that fixes an issue)
• New feature / enhancement (a change that adds new functionality)
• Refactor (no behaviour change)
• Test coverage
• Build / CI / tooling
• Documentation

Testing

• Unit tests added / updated
• Integration tests added / updated
• Full test suite run (make test_all with CONNECTION_STRING set)

Screenshots (if appropriate):

Driver Impact

• PostgreSQL driver (drivers/pg)
• Neo4j driver (drivers/neo4j)

Checklist

• Code is formatted
• All existing tests pass
• go.mod / go.sum are up to date if dependencies changed

[coderabbitai]

Warning

Rate limit exceeded

@zinic has exceeded the limit for the number of commits that can be reviewed per hour. Please wait 58 minutes and 36 seconds before requesting another review.

You’ve run out of usage credits. Purchase more in the billing tab.

⌛ How to resolve this issue?

After the wait time has elapsed, a review can be triggered using the @coderabbitai review command as a PR comment. Alternatively, push new commits to this PR.

We recommend that you space out your commits to avoid hitting the rate limit.

🚦 How do rate limits work?

CodeRabbit enforces hourly rate limits for each developer per organization.

Our paid plans have higher rate limits than the trial, open-source and free plans. In all cases, we re-allow further reviews after a brief timeout.

Please see our FAQ for further information.

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 159e3abe-a77b-4744-a0af-7d8347805acb

📥 Commits

Reviewing files that changed from the base of the PR and between 0ee0b16 and 3e561b1.

📒 Files selected for processing (14)

• cypher/models/pgsql/pgtypes.go
• cypher/models/pgsql/pytypes_test.go
• cypher/models/pgsql/test/translation_cases/multipart.sql
• cypher/models/pgsql/test/translation_cases/pattern_binding.sql
• cypher/models/pgsql/test/translation_cases/scalar_aggregation.sql
• cypher/models/pgsql/test/translation_cases/unwind.sql
• cypher/models/pgsql/test/translation_test.go
• cypher/models/pgsql/translate/function.go
• cypher/models/pgsql/translate/model.go
• cypher/models/pgsql/translate/projection.go
• cypher/models/pgsql/translate/with.go
• integration/testdata/cases/aggregation_inline.json
• integration/testdata/cases/pattern_binding_inline.json
• integration/testdata/cases/unwind_inline.json

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}