Fix broken pg_dump for 9.0 and 9.1 caused by the MV patch.

Per report and suggestion from Bernd Helmle

Author: kgrittn

src/bin/pg_dump/pg_dump.c

@@ -4141,7 +4141,7 @@ getTables(Archive *fout, int *numTables)
 	 * we cannot correctly identify inherited columns, owned sequences, etc.
 	 */
 
-	if (fout->remoteVersion >= 90100)
+	if (fout->remoteVersion >= 90300)
 	{
 		/*
 		 * Left join to pick up dependency info linking sequences to their
@@ -4177,6 +4177,42 @@ getTables(Archive *fout, int *numTables)
 						  RELKIND_VIEW, RELKIND_COMPOSITE_TYPE,
 						  RELKIND_MATVIEW, RELKIND_FOREIGN_TABLE);
 	}
+	else if (fout->remoteVersion >= 90100)
+	{
+		/*
+		 * Left join to pick up dependency info linking sequences to their
+		 * owning column, if any (note this dependency is AUTO as of 8.2)
+		 */
+		appendPQExpBuffer(query,
+						  "SELECT c.tableoid, c.oid, c.relname, "
+						  "c.relacl, c.relkind, c.relnamespace, "
+						  "(%s c.relowner) AS rolname, "
+						  "c.relchecks, c.relhastriggers, "
+						  "c.relhasindex, c.relhasrules, c.relhasoids, "
+						  "c.relfrozenxid, tc.oid AS toid, "
+						  "tc.relfrozenxid AS tfrozenxid, "
+						  "c.relpersistence, 't'::bool as isscannable, "
+						  "CASE WHEN c.reloftype <> 0 THEN c.reloftype::pg_catalog.regtype ELSE NULL END AS reloftype, "
+						  "d.refobjid AS owning_tab, "
+						  "d.refobjsubid AS owning_col, "
+						  "(SELECT spcname FROM pg_tablespace t WHERE t.oid = c.reltablespace) AS reltablespace, "
+						"array_to_string(c.reloptions, ', ') AS reloptions, "
+						  "array_to_string(array(SELECT 'toast.' || x FROM unnest(tc.reloptions) x), ', ') AS toast_reloptions "
+						  "FROM pg_class c "
+						  "LEFT JOIN pg_depend d ON "
+						  "(c.relkind = '%c' AND "
+						  "d.classid = c.tableoid AND d.objid = c.oid AND "
+						  "d.objsubid = 0 AND "
+						  "d.refclassid = c.tableoid AND d.deptype = 'a') "
+					   "LEFT JOIN pg_class tc ON (c.reltoastrelid = tc.oid) "
+						  "WHERE c.relkind in ('%c', '%c', '%c', '%c', '%c', '%c') "
+						  "ORDER BY c.oid",
+						  username_subquery,
+						  RELKIND_SEQUENCE,
+						  RELKIND_RELATION, RELKIND_SEQUENCE,
+						  RELKIND_VIEW, RELKIND_COMPOSITE_TYPE,
+						  RELKIND_MATVIEW, RELKIND_FOREIGN_TABLE);
+	}
 	else if (fout->remoteVersion >= 90000)
 	{
 		/*