Implement List support for TransactionId

Use it for RelationSyncEntry->streamed_txns, which is currently using an
integer list.

The API support is not complete, not because it is hard to write but
because it's unclear that it's worth the code space, there being so
little use of XID lists.

Discussion: https://postgr.es/m/[email protected]
Reviewed-by: Amit Kapila <[email protected]>

1 files changed, 3 insertions, 11 deletions

diff --git a/src/backend/replication/pgoutput/pgoutput.c b/src/backend/replication/pgoutput/pgoutput.c
index 8deae571433..2cbca4a0870 100644
--- a/src/backend/replication/pgoutput/pgoutput.c
+++ b/src/backend/replication/pgoutput/pgoutput.c
@@ -1923,15 +1923,7 @@ init_rel_sync_cache(MemoryContext cachectx)
 static bool
 get_schema_sent_in_streamed_txn(RelationSyncEntry *entry, TransactionId xid)
 {
-	ListCell   *lc;
-
-	foreach(lc, entry->streamed_txns)
-	{
-		if (xid == (uint32) lfirst_int(lc))
-			return true;
-	}
-
-	return false;
+	return list_member_xid(entry->streamed_txns, xid);
 }
 
 /*
@@ -1945,7 +1937,7 @@ set_schema_sent_in_streamed_txn(RelationSyncEntry *entry, TransactionId xid)
 
 	oldctx = MemoryContextSwitchTo(CacheMemoryContext);
 
-	entry->streamed_txns = lappend_int(entry->streamed_txns, xid);
+	entry->streamed_txns = lappend_xid(entry->streamed_txns, xid);
 
 	MemoryContextSwitchTo(oldctx);
 }
@@ -2248,7 +2240,7 @@ cleanup_rel_sync_cache(TransactionId xid, bool is_commit)
 		 */
 		foreach(lc, entry->streamed_txns)
 		{
-			if (xid == (uint32) lfirst_int(lc))
+			if (xid == lfirst_xid(lc))
 			{
 				if (is_commit)
 					entry->schema_sent = true;