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From: Nathan Bossart <[email protected]>
Subject: [PATCH v1 4/4] combine relopts correctly for VACUUM commands
Date: Mon, 23 Jun 2025 15:40:28 -0500

---
 src/backend/commands/vacuum.c       | 30 +++++++++++++++++++----------
 src/backend/postmaster/autovacuum.c |  2 +-
 src/include/commands/vacuum.h       |  2 ++
 3 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c
index 0015b9ef4b0..a74c3a9e2a2 100644
--- a/src/backend/commands/vacuum.c
+++ b/src/backend/commands/vacuum.c
@@ -124,7 +124,7 @@ static void vac_truncate_clog(TransactionId frozenXID,
 							  TransactionId lastSaneFrozenXid,
 							  MultiXactId lastSaneMinMulti);
 static bool vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params,
-					   BufferAccessStrategy bstrategy);
+					   BufferAccessStrategy bstrategy, StdRdOptions *main_opts);
 static double compute_parallel_delay(void);
 static VacOptValue get_vacoptval_from_boolean(DefElem *def);
 static bool vac_tid_reaped(ItemPointer itemptr, void *state);
@@ -634,7 +634,7 @@ vacuum(List *relations, VacuumParams *params, BufferAccessStrategy bstrategy,
 
 			if (params->options & VACOPT_VACUUM)
 			{
-				if (!vacuum_rel(vrel->oid, vrel->relation, params, bstrategy))
+				if (!vacuum_rel(vrel->oid, vrel->relation, params, bstrategy, NULL))
 					continue;
 			}
 
@@ -1998,7 +1998,7 @@ vac_truncate_clog(TransactionId frozenXID,
  */
 static bool
 vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params,
-		   BufferAccessStrategy bstrategy)
+		   BufferAccessStrategy bstrategy, StdRdOptions *main_opts)
 {
 	LOCKMODE	lmode;
 	Relation	rel;
@@ -2008,6 +2008,8 @@ vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params,
 	Oid			save_userid;
 	int			save_sec_context;
 	int			save_nestlevel;
+	StdRdOptions saved_opts;
+	StdRdOptions combined_opts;
 
 	Assert(params != NULL);
 
@@ -2165,6 +2167,15 @@ vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params,
 	lockrelid = rel->rd_lockInfo.lockRelId;
 	LockRelationIdForSession(&lockrelid, lmode);
 
+	if (rel->rd_options)
+	{
+		memcpy(&saved_opts, rel->rd_options, sizeof(StdRdOptions));
+		memcpy(&combined_opts, rel->rd_options, sizeof(StdRdOptions));
+
+		if (main_opts)
+			combine_relopts(&combined_opts, main_opts);
+	}
+
 	/*
 	 * Set index_cleanup option based on index_cleanup reloption if it wasn't
 	 * specified in VACUUM command, or when running in an autovacuum worker
@@ -2176,8 +2187,7 @@ vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params,
 		if (rel->rd_options == NULL)
 			vacuum_index_cleanup = STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO;
 		else
-			vacuum_index_cleanup =
-				((StdRdOptions *) rel->rd_options)->vacuum_index_cleanup;
+			vacuum_index_cleanup = combined_opts.vacuum_index_cleanup;
 
 		if (vacuum_index_cleanup == STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO)
 			params->index_cleanup = VACOPTVALUE_AUTO;
@@ -2197,9 +2207,9 @@ vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params,
 	 */
 	if (params->max_eager_freeze_failure_rate < 0 &&
 		rel->rd_options != NULL &&
-		((StdRdOptions *) rel->rd_options)->vacuum_max_eager_freeze_failure_rate >= 0)
+		combined_opts.vacuum_max_eager_freeze_failure_rate >= 0)
 		params->max_eager_freeze_failure_rate =
-			((StdRdOptions *) rel->rd_options)->vacuum_max_eager_freeze_failure_rate;
+			combined_opts.vacuum_max_eager_freeze_failure_rate;
 	else
 		params->max_eager_freeze_failure_rate = vacuum_max_eager_freeze_failure_rate;
 
@@ -2211,9 +2221,9 @@ vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params,
 	{
 		StdRdOptions *opts = (StdRdOptions *) rel->rd_options;
 
-		if (opts && opts->vacuum_truncate_set)
+		if (opts && combined_opts.vacuum_truncate_set)
 		{
-			if (opts->vacuum_truncate)
+			if (combined_opts.vacuum_truncate)
 				params->truncate = VACOPTVALUE_ENABLED;
 			else
 				params->truncate = VACOPTVALUE_DISABLED;
@@ -2314,7 +2324,7 @@ vacuum_rel(Oid relid, RangeVar *relation, VacuumParams *params,
 		toast_vacuum_params.options |= VACOPT_PROCESS_MAIN;
 		toast_vacuum_params.toast_parent = relid;
 
-		vacuum_rel(toast_relid, NULL, &toast_vacuum_params, bstrategy);
+		vacuum_rel(toast_relid, NULL, &toast_vacuum_params, bstrategy, &saved_opts);
 	}
 
 	/*
diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c
index 0d1f4e38b58..ca399b6a92e 100644
--- a/src/backend/postmaster/autovacuum.c
+++ b/src/backend/postmaster/autovacuum.c
@@ -1873,7 +1873,7 @@ get_database_list(void)
 	return dblist;
 }
 
-static void
+void
 combine_relopts(StdRdOptions *toast_opts, const StdRdOptions *main_opts)
 {
 	AutoVacOpts *toast_avopts = &toast_opts->autovacuum;
diff --git a/src/include/commands/vacuum.h b/src/include/commands/vacuum.h
index bc37a80dc74..928f864581b 100644
--- a/src/include/commands/vacuum.h
+++ b/src/include/commands/vacuum.h
@@ -24,6 +24,7 @@
 #include "parser/parse_node.h"
 #include "storage/buf.h"
 #include "storage/lock.h"
+#include "utils/rel.h"
 #include "utils/relcache.h"
 
 /*
@@ -377,6 +378,7 @@ extern IndexBulkDeleteResult *vac_cleanup_one_index(IndexVacuumInfo *ivinfo,
 /* In postmaster/autovacuum.c */
 extern void AutoVacuumUpdateCostLimit(void);
 extern void VacuumUpdateCosts(void);
+extern void combine_relopts(StdRdOptions *toast_opts, const StdRdOptions *main_opts);
 
 /* in commands/vacuumparallel.c */
 extern ParallelVacuumState *parallel_vacuum_init(Relation rel, Relation *indrels,
-- 
2.39.5 (Apple Git-154)


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