Add C comment about process_settings() setting order.

bmomjian · bmomjian · commit ef51fa505ca6 · 2010-02-05T20:26:56.000Z
diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.201 2010/01/15 09:19:04 heikki Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.202 2010/02/05 20:26:56 momjian Exp $
  *
  *
  *-------------------------------------------------------------------------
@@ -855,6 +855,7 @@ process_settings(Oid databaseid, Oid roleid)
 
 	relsetting = heap_open(DbRoleSettingRelationId, AccessShareLock);
 
+	/* Later settings are ignored if set earlier. */
 	ApplySetting(databaseid, roleid, relsetting, PGC_S_DATABASE_USER);
 	ApplySetting(InvalidOid, roleid, relsetting, PGC_S_USER);
 	ApplySetting(databaseid, InvalidOid, relsetting, PGC_S_DATABASE);

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.201 2010/01/15 09:19:04 heikki Exp $`
	`11`	`+ * $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.202 2010/02/05 20:26:56 momjian Exp $`
`12`	`12`	`*`
`13`	`13`	`*`
`14`	`14`	`*-------------------------------------------------------------------------`
`@@ -855,6 +855,7 @@ process_settings(Oid databaseid, Oid roleid)`
`855`	`855`
`856`	`856`	`relsetting = heap_open(DbRoleSettingRelationId, AccessShareLock);`
`857`	`857`
	`858`	`+ /* Later settings are ignored if set earlier. */`
`858`	`859`	`ApplySetting(databaseid, roleid, relsetting, PGC_S_DATABASE_USER);`
`859`	`860`	`ApplySetting(InvalidOid, roleid, relsetting, PGC_S_USER);`
`860`	`861`	`ApplySetting(databaseid, InvalidOid, relsetting, PGC_S_DATABASE);`