[PATCH v4] pg_stat_statements: Add last_execution_start column

Pavlo Golub <pavlo.golub@cybertec.at>

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From: Pavlo Golub <pavlo.golub@cybertec.at>

To: Sami Imseih <samimseih@gmail.com>

Cc: pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2026-05-13T14:38:20Z

Lists: pgsql-hackers

Attachments

v4-0001-pg_stat_statements-Add-last_execution_start-colum.patch (application/octet-stream)

Rebased on current master (a3e6beba60e).

The only conflict was with commit 66366217822 (pg_stat_statements: Set
PlannedStmt to NULL after nested utility execution), which introduced a
local copy of pstmt->planOrigin and then nulled pstmt.  The patch context
line was updated to reference saved_planOrigin instead.  No functional
changes from v3.

All pg_stat_statements regression tests pass (16/16).

v4 patch attached.

Best regards,
Pavlo Golub