pg_dump: avoid schema qualification for ALTER ... OWNER

We already use search_path to specify the schema, so there is no need
for pg_dump to schema-qualify the name.  Also remove dead code.

src/bin/pg_dump/pg_backup_archiver.c

@@ -2879,11 +2879,7 @@ _selectTablespace(ArchiveHandle *AH, const char *tablespace)
 /*
  * Extract an object description for a TOC entry, and append it to buf.
  *
- * This is not quite as general as it may seem, since it really only
- * handles constructing the right thing to put into ALTER ... OWNER TO.
- *
- * The whole thing is pretty grotty, but we are kind of stuck since the
- * information used is all that's available in older dump files.
+ * This is used for ALTER ... OWNER TO.
  */
 static void
 _getObjectDescription(PQExpBuffer buf, TocEntry *te, ArchiveHandle *AH)
@@ -2895,7 +2891,7 @@ _getObjectDescription(PQExpBuffer buf, TocEntry *te, ArchiveHandle *AH)
 		strcmp(type, "MATERIALIZED VIEW") == 0)
 		type = "TABLE";
 
-	/* objects named by a schema and name */
+	/* objects that don't require special decoration */
 	if (strcmp(type, "COLLATION") == 0 ||
 		strcmp(type, "CONVERSION") == 0 ||
 		strcmp(type, "DOMAIN") == 0 ||
@@ -2903,35 +2899,16 @@ _getObjectDescription(PQExpBuffer buf, TocEntry *te, ArchiveHandle *AH)
 		strcmp(type, "TYPE") == 0 ||
 		strcmp(type, "FOREIGN TABLE") == 0 ||
 		strcmp(type, "TEXT SEARCH DICTIONARY") == 0 ||
-		strcmp(type, "TEXT SEARCH CONFIGURATION") == 0)
-	{
-		appendPQExpBuffer(buf, "%s ", type);
-		if (te->namespace && te->namespace[0])	/* is null pre-7.3 */
-			appendPQExpBuffer(buf, "%s.", fmtId(te->namespace));
-
-		/*
-		 * Pre-7.3 pg_dump would sometimes (not always) put a fmtId'd name
-		 * into te->tag for an index. This check is heuristic, so make its
-		 * scope as narrow as possible.
-		 */
-		if (AH->version < K_VERS_1_7 &&
-			te->tag[0] == '"' &&
-			te->tag[strlen(te->tag) - 1] == '"' &&
-			strcmp(type, "INDEX") == 0)
-			appendPQExpBuffer(buf, "%s", te->tag);
-		else
-			appendPQExpBuffer(buf, "%s", fmtId(te->tag));
-		return;
-	}
-
-	/* objects named by just a name */
-	if (strcmp(type, "DATABASE") == 0 ||
+		strcmp(type, "TEXT SEARCH CONFIGURATION") == 0 ||
+		/* non-schema-specified objects */
+		strcmp(type, "DATABASE") == 0 ||
 		strcmp(type, "PROCEDURAL LANGUAGE") == 0 ||
 		strcmp(type, "SCHEMA") == 0 ||
 		strcmp(type, "FOREIGN DATA WRAPPER") == 0 ||
 		strcmp(type, "SERVER") == 0 ||
 		strcmp(type, "USER MAPPING") == 0)
 	{
+		/* We already know that search_path was set properly */
 		appendPQExpBuffer(buf, "%s %s", type, fmtId(te->tag));
 		return;
 	}