Re: proposal: schema variables

Attachments

• v20260403-2-0001-CREATE-VARIABLE-DROP-VARIABLE.patch (text/x-patch) patch v20260403-0001
• v20260403-2-0002-parsing-session-variable-fences.patch (text/x-patch) patch v20260403-0002
• v20260403-2-0004-fill-an-auxiliary-buffer-with-values-of-session-vari.patch (text/x-patch) patch v20260403-0004
• v20260403-2-0005-svariableReceiver.patch (text/x-patch) patch v20260403-0005
• v20260403-2-0003-collect-session-variables-used-in-plan-and-assign-pa.patch (text/x-patch) patch v20260403-0003
• v20260403-2-0006-LET-command-assign-a-result-of-expression-to-the-ses.patch (text/x-patch) patch v20260403-0006
• v20260403-2-0007-DISCARD-TEMP.patch (text/x-patch) patch v20260403-0007
• v20260403-2-0008-support-CREATE-IF-NOT-EXISTS-and-DROP-IF-EXISTS.patch (text/x-patch) patch v20260403-0008
• v20260403-2-0009-use-names-of-currently-used-temp-variables-for-tab-c.patch (text/x-patch) patch v20260403-0009
• v20260403-2-0010-transactional-DDL-CREATE-VARIABLE-DROP-VARIABLE.patch (text/x-patch) patch v20260403-0010
• v20260403-2-0011-subtransaction-support-for-session-variables-DDL-CRE.patch (text/x-patch) patch v20260403-0011

Commits

1. Reduce LEFT JOIN to ANTI JOIN using NOT NULL constraints

   • cf74558feb8f 19 (unreleased) cited

2. Move WAL sequence code into its own file

   • a87987cafca6 19 (unreleased) cited

3. Add ExplainState argument to pg_plan_query() and planner().

   • c83ac02ec730 19 (unreleased) cited

4. Don't include access/htup_details.h in executor/tuptable.h

   • 1a8b5b11e48a 19 (unreleased) cited

5. Refactor to avoid code duplication in transformPLAssignStmt.

   • b0fb2c6aa5a4 19 (unreleased) cited

6. Avoid including commands/dbcommands.h in so many places

   • 325fc0ab14d1 19 (unreleased) cited

7. Restrict psql meta-commands in plain-text dumps.

   • 71ea0d679543 19 (unreleased) cited

8. Split func.sgml into more manageable pieces

   • 4e23c9ef65ac 19 (unreleased) cited

9. Fix squashing algorithm for query texts

   • 0f65f3eec478 18.0 cited

10. EXPLAIN: Always use two fractional digits for row counts.

    • 95dbd827f2ed 18.0 cited

11. Preliminary refactoring of plpgsql expression construction.

    • a654af21ae52 18.0 cited

12. plpgsql: pure parser and reentrant scanner

    • 7b27f5fd36cb 18.0 cited

13. Add some sanity checks in executor for query ID reporting

    • 24f520594809 18.0 cited

14. Fix misleading error message context

    • 4af123ad45bd 18.0 cited

15. Add macros for looping through a List without a ListCell.

    • 14dd0f27d7cd 17.0 cited