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-rw-r--r--src/backend/tcop/postgres.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index e8d8e6f8285..6d80cc2d64d 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -171,6 +171,9 @@ static ProcSignalReason RecoveryConflictReason;
static MemoryContext row_description_context = NULL;
static StringInfoData row_description_buf;
+/* Hook for plugins to get control at start of session */
+session_start_hook_type session_start_hook = NULL;
+
/* ----------------------------------------------------------------
* decls for routines only used in this file
* ----------------------------------------------------------------
@@ -3968,6 +3971,9 @@ PostgresMain(int argc, char *argv[],
if (!IsUnderPostmaster)
PgStartTime = GetCurrentTimestamp();
+ if (session_start_hook)
+ (*session_start_hook) ();
+
/*
* POSTGRES main processing loop begins here
*