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			770 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			770 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *	version.c
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|  *
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|  *	Postgres-version-specific routines
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|  *
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|  *	Copyright (c) 2010-2014, PostgreSQL Global Development Group
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|  *	contrib/pg_upgrade/version_old_8_3.c
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|  */
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| 
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| #include "postgres_fe.h"
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| 
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| #include "pg_upgrade.h"
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| 
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| #include "access/transam.h"
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| 
 | |
| 
 | |
| /*
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|  * old_8_3_check_for_name_data_type_usage()
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|  *	8.3 -> 8.4
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|  *	Alignment for the 'name' data type changed to 'char' in 8.4;
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|  *	checks tables and indexes.
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|  */
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| void
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| old_8_3_check_for_name_data_type_usage(ClusterInfo *cluster)
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| {
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| 	int			dbnum;
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| 	FILE	   *script = NULL;
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| 	bool		found = false;
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| 	char		output_path[MAXPGPATH];
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| 
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| 	prep_status("Checking for invalid \"name\" user columns");
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| 
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| 	snprintf(output_path, sizeof(output_path), "tables_using_name.txt");
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| 
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| 	for (dbnum = 0; dbnum < cluster->dbarr.ndbs; dbnum++)
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| 	{
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| 		PGresult   *res;
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| 		bool		db_used = false;
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| 		int			ntups;
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| 		int			rowno;
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| 		int			i_nspname,
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| 					i_relname,
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| 					i_attname;
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| 		DbInfo	   *active_db = &cluster->dbarr.dbs[dbnum];
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| 		PGconn	   *conn = connectToServer(cluster, active_db->db_name);
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| 
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| 		/*
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| 		 * With a smaller alignment in 8.4, 'name' cannot be used in a
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| 		 * non-pg_catalog table, except as the first column. (We could tighten
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| 		 * that condition with enough analysis, but it seems not worth the
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| 		 * trouble.)
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| 		 */
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| 		res = executeQueryOrDie(conn,
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| 								"SELECT n.nspname, c.relname, a.attname "
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| 								"FROM	pg_catalog.pg_class c, "
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| 								"		pg_catalog.pg_namespace n, "
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| 								"		pg_catalog.pg_attribute a "
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| 								"WHERE	c.oid = a.attrelid AND "
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| 								"		a.attnum > 1 AND "
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| 								"		NOT a.attisdropped AND "
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| 								"		a.atttypid = 'pg_catalog.name'::pg_catalog.regtype AND "
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| 								"		c.relnamespace = n.oid AND "
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| 		/* exclude possible orphaned temp tables */
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| 								"		n.nspname !~ '^pg_temp_' AND "
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| 						 "		n.nspname !~ '^pg_toast_temp_' AND "
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| 								"		n.nspname NOT IN ('pg_catalog', 'information_schema')");
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| 
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| 		ntups = PQntuples(res);
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| 		i_nspname = PQfnumber(res, "nspname");
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| 		i_relname = PQfnumber(res, "relname");
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| 		i_attname = PQfnumber(res, "attname");
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| 		for (rowno = 0; rowno < ntups; rowno++)
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| 		{
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| 			found = true;
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| 			if (script == NULL && (script = fopen_priv(output_path, "w")) == NULL)
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| 				pg_fatal("could not open file \"%s\": %s\n", output_path, getErrorText(errno));
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| 			if (!db_used)
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| 			{
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| 				fprintf(script, "Database: %s\n", active_db->db_name);
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| 				db_used = true;
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| 			}
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| 			fprintf(script, "  %s.%s.%s\n",
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| 					PQgetvalue(res, rowno, i_nspname),
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| 					PQgetvalue(res, rowno, i_relname),
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| 					PQgetvalue(res, rowno, i_attname));
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| 		}
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| 
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| 		PQclear(res);
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| 
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| 		PQfinish(conn);
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| 	}
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| 
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| 	if (script)
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| 		fclose(script);
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| 
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| 	if (found)
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| 	{
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| 		pg_log(PG_REPORT, "fatal\n");
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| 		pg_fatal("Your installation contains the \"name\" data type in user tables.  This\n"
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| 		"data type changed its internal alignment between your old and new\n"
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| 				 "clusters so this cluster cannot currently be upgraded.  You can remove\n"
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| 		"the problem tables and restart the upgrade.  A list of the problem\n"
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| 				 "columns is in the file:\n"
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| 				 "    %s\n\n", output_path);
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| 	}
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| 	else
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| 		check_ok();
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| }
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| 
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| 
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| /*
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|  * old_8_3_check_for_tsquery_usage()
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|  *	8.3 -> 8.4
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|  *	A new 'prefix' field was added to the 'tsquery' data type in 8.4
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|  *	so upgrading of such fields is impossible.
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|  */
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| void
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| old_8_3_check_for_tsquery_usage(ClusterInfo *cluster)
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| {
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| 	int			dbnum;
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| 	FILE	   *script = NULL;
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| 	bool		found = false;
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| 	char		output_path[MAXPGPATH];
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| 
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| 	prep_status("Checking for tsquery user columns");
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| 
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| 	snprintf(output_path, sizeof(output_path), "tables_using_tsquery.txt");
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| 
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| 	for (dbnum = 0; dbnum < cluster->dbarr.ndbs; dbnum++)
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| 	{
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| 		PGresult   *res;
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| 		bool		db_used = false;
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| 		int			ntups;
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| 		int			rowno;
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| 		int			i_nspname,
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| 					i_relname,
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| 					i_attname;
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| 		DbInfo	   *active_db = &cluster->dbarr.dbs[dbnum];
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| 		PGconn	   *conn = connectToServer(cluster, active_db->db_name);
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| 
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| 		/* Find any user-defined tsquery columns */
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| 		res = executeQueryOrDie(conn,
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| 								"SELECT n.nspname, c.relname, a.attname "
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| 								"FROM	pg_catalog.pg_class c, "
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| 								"		pg_catalog.pg_namespace n, "
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| 								"		pg_catalog.pg_attribute a "
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| 		/* materialized views didn't exist in 8.3, so no need to check 'm' */
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| 								"WHERE	c.relkind = 'r' AND "
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| 								"		c.oid = a.attrelid AND "
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| 								"		NOT a.attisdropped AND "
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| 								"		a.atttypid = 'pg_catalog.tsquery'::pg_catalog.regtype AND "
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| 								"		c.relnamespace = n.oid AND "
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| 		/* exclude possible orphaned temp tables */
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| 								"		n.nspname !~ '^pg_temp_' AND "
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| 						 "		n.nspname !~ '^pg_toast_temp_' AND "
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| 								"		n.nspname NOT IN ('pg_catalog', 'information_schema')");
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| 
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| 		ntups = PQntuples(res);
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| 		i_nspname = PQfnumber(res, "nspname");
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| 		i_relname = PQfnumber(res, "relname");
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| 		i_attname = PQfnumber(res, "attname");
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| 		for (rowno = 0; rowno < ntups; rowno++)
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| 		{
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| 			found = true;
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| 			if (script == NULL && (script = fopen_priv(output_path, "w")) == NULL)
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| 				pg_fatal("could not open file \"%s\": %s\n", output_path, getErrorText(errno));
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| 			if (!db_used)
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| 			{
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| 				fprintf(script, "Database: %s\n", active_db->db_name);
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| 				db_used = true;
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| 			}
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| 			fprintf(script, "  %s.%s.%s\n",
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| 					PQgetvalue(res, rowno, i_nspname),
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| 					PQgetvalue(res, rowno, i_relname),
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| 					PQgetvalue(res, rowno, i_attname));
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| 		}
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| 
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| 		PQclear(res);
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| 
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| 		PQfinish(conn);
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| 	}
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| 
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| 	if (script)
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| 		fclose(script);
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| 
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| 	if (found)
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| 	{
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| 		pg_log(PG_REPORT, "fatal\n");
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| 		pg_fatal("Your installation contains the \"tsquery\" data type.    This data type\n"
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| 				 "added a new internal field between your old and new clusters so this\n"
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| 		"cluster cannot currently be upgraded.  You can remove the problem\n"
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| 				 "columns and restart the upgrade.  A list of the problem columns is in the\n"
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| 				 "file:\n"
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| 				 "    %s\n\n", output_path);
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| 	}
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| 	else
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| 		check_ok();
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| }
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| 
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| 
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| /*
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|  *	old_8_3_check_ltree_usage()
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|  *	8.3 -> 8.4
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|  *	The internal ltree structure was changed in 8.4 so upgrading is impossible.
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|  */
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| void
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| old_8_3_check_ltree_usage(ClusterInfo *cluster)
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| {
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| 	int			dbnum;
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| 	FILE	   *script = NULL;
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| 	bool		found = false;
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| 	char		output_path[MAXPGPATH];
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| 
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| 	prep_status("Checking for contrib/ltree");
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| 
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| 	snprintf(output_path, sizeof(output_path), "contrib_ltree.txt");
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| 
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| 	for (dbnum = 0; dbnum < cluster->dbarr.ndbs; dbnum++)
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| 	{
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| 		PGresult   *res;
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| 		bool		db_used = false;
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| 		int			ntups;
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| 		int			rowno;
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| 		int			i_nspname,
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| 					i_proname;
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| 		DbInfo	   *active_db = &cluster->dbarr.dbs[dbnum];
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| 		PGconn	   *conn = connectToServer(cluster, active_db->db_name);
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| 
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| 		/* Find any functions coming from contrib/ltree */
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| 		res = executeQueryOrDie(conn,
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| 								"SELECT n.nspname, p.proname "
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| 								"FROM	pg_catalog.pg_proc p, "
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| 								"		pg_catalog.pg_namespace n "
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| 								"WHERE	p.pronamespace = n.oid AND "
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| 								"		p.probin = '$libdir/ltree'");
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| 
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| 		ntups = PQntuples(res);
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| 		i_nspname = PQfnumber(res, "nspname");
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| 		i_proname = PQfnumber(res, "proname");
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| 		for (rowno = 0; rowno < ntups; rowno++)
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| 		{
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| 			found = true;
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| 			if (script == NULL && (script = fopen_priv(output_path, "w")) == NULL)
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| 				pg_fatal("Could not open file \"%s\": %s\n",
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| 						 output_path, getErrorText(errno));
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| 			if (!db_used)
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| 			{
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| 				fprintf(script, "Database: %s\n", active_db->db_name);
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| 				db_used = true;
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| 			}
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| 			fprintf(script, "  %s.%s\n",
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| 					PQgetvalue(res, rowno, i_nspname),
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| 					PQgetvalue(res, rowno, i_proname));
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| 		}
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| 
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| 		PQclear(res);
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| 
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| 		PQfinish(conn);
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| 	}
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| 
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| 	if (script)
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| 		fclose(script);
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| 
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| 	if (found)
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| 	{
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| 		pg_log(PG_REPORT, "fatal\n");
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| 		pg_fatal("Your installation contains the \"ltree\" data type.  This data type\n"
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| 				 "changed its internal storage format between your old and new clusters so this\n"
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| 				 "cluster cannot currently be upgraded.  You can manually upgrade databases\n"
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| 				 "that use \"contrib/ltree\" facilities and remove \"contrib/ltree\" from the old\n"
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| 				 "cluster and restart the upgrade.  A list of the problem functions is in the\n"
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| 				 "file:\n"
 | |
| 				 "    %s\n\n", output_path);
 | |
| 	}
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| 	else
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| 		check_ok();
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| }
 | |
| 
 | |
| 
 | |
| /*
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|  * old_8_3_rebuild_tsvector_tables()
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|  *	8.3 -> 8.4
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|  * 8.3 sorts lexemes by its length and if lengths are the same then it uses
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|  * alphabetic order;  8.4 sorts lexemes in lexicographical order, e.g.
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|  *
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|  * => SELECT 'c bb aaa'::tsvector;
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|  *	   tsvector
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|  * ----------------
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|  *	'aaa' 'bb' 'c'		   -- 8.4
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|  *	'c' 'bb' 'aaa'		   -- 8.3
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|  */
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| void
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| old_8_3_rebuild_tsvector_tables(ClusterInfo *cluster, bool check_mode)
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| {
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| 	int			dbnum;
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| 	FILE	   *script = NULL;
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| 	bool		found = false;
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| 	char		output_path[MAXPGPATH];
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| 
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| 	prep_status("Checking for tsvector user columns");
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| 
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| 	snprintf(output_path, sizeof(output_path), "rebuild_tsvector_tables.sql");
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| 
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| 	for (dbnum = 0; dbnum < cluster->dbarr.ndbs; dbnum++)
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| 	{
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| 		PGresult   *res;
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| 		bool		db_used = false;
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| 		char		nspname[NAMEDATALEN] = "",
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| 					relname[NAMEDATALEN] = "";
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| 		int			ntups;
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| 		int			rowno;
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| 		int			i_nspname,
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| 					i_relname,
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| 					i_attname;
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| 		DbInfo	   *active_db = &cluster->dbarr.dbs[dbnum];
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| 		PGconn	   *conn = connectToServer(cluster, active_db->db_name);
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| 
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| 		/* Find any user-defined tsvector columns */
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| 		res = executeQueryOrDie(conn,
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| 								"SELECT n.nspname, c.relname, a.attname "
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| 								"FROM	pg_catalog.pg_class c, "
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| 								"		pg_catalog.pg_namespace n, "
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| 								"		pg_catalog.pg_attribute a "
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| 		/* materialized views didn't exist in 8.3, so no need to check 'm' */
 | |
| 								"WHERE	c.relkind = 'r' AND "
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| 								"		c.oid = a.attrelid AND "
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| 								"		NOT a.attisdropped AND "
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| 		/* child attribute changes are processed by the parent */
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| 								"		a.attinhcount = 0 AND "
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| 								"		a.atttypid = 'pg_catalog.tsvector'::pg_catalog.regtype AND "
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| 								"		c.relnamespace = n.oid AND "
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| 		/* exclude possible orphaned temp tables */
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| 								"		n.nspname !~ '^pg_temp_' AND "
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| 						 "		n.nspname !~ '^pg_toast_temp_' AND "
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| 								"		n.nspname NOT IN ('pg_catalog', 'information_schema')");
 | |
| 
 | |
| /*
 | |
|  *	This macro is used below to avoid reindexing indexes already rebuilt
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|  *	because of tsvector columns.
 | |
|  */
 | |
| #define SKIP_TSVECTOR_TABLES \
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| 								"i.indrelid NOT IN ( "					\
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| 								"SELECT DISTINCT c.oid "				\
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| 								"FROM	pg_catalog.pg_class c, "		\
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| 								"		pg_catalog.pg_namespace n, "	\
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| 								"		pg_catalog.pg_attribute a "		\
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| 		/* materialized views didn't exist in 8.3, so no need to check 'm' */ \
 | |
| 								"WHERE	c.relkind = 'r' AND "			\
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| 								"		c.oid = a.attrelid AND "		\
 | |
| 								"		NOT a.attisdropped AND "		\
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| 		/* child attribute changes are processed by the parent */		\
 | |
| 								"		a.attinhcount = 0 AND "			\
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| 								"		a.atttypid = 'pg_catalog.tsvector'::pg_catalog.regtype AND " \
 | |
| 								"		c.relnamespace = n.oid AND "	\
 | |
| 								"       n.nspname !~ '^pg_' AND "		\
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| 								"		n.nspname != 'information_schema') "
 | |
| 
 | |
| 		ntups = PQntuples(res);
 | |
| 		i_nspname = PQfnumber(res, "nspname");
 | |
| 		i_relname = PQfnumber(res, "relname");
 | |
| 		i_attname = PQfnumber(res, "attname");
 | |
| 		for (rowno = 0; rowno < ntups; rowno++)
 | |
| 		{
 | |
| 			found = true;
 | |
| 			if (!check_mode)
 | |
| 			{
 | |
| 				if (script == NULL && (script = fopen_priv(output_path, "w")) == NULL)
 | |
| 					pg_fatal("could not open file \"%s\": %s\n", output_path, getErrorText(errno));
 | |
| 				if (!db_used)
 | |
| 				{
 | |
| 					fprintf(script, "\\connect %s\n\n",
 | |
| 							quote_identifier(active_db->db_name));
 | |
| 					db_used = true;
 | |
| 				}
 | |
| 
 | |
| 				/* Rebuild all tsvector collumns with one ALTER TABLE command */
 | |
| 				if (strcmp(PQgetvalue(res, rowno, i_nspname), nspname) != 0 ||
 | |
| 					strcmp(PQgetvalue(res, rowno, i_relname), relname) != 0)
 | |
| 				{
 | |
| 					if (strlen(nspname) != 0 || strlen(relname) != 0)
 | |
| 						fprintf(script, ";\n\n");
 | |
| 					fprintf(script, "ALTER TABLE %s.%s\n",
 | |
| 						 quote_identifier(PQgetvalue(res, rowno, i_nspname)),
 | |
| 						quote_identifier(PQgetvalue(res, rowno, i_relname)));
 | |
| 				}
 | |
| 				else
 | |
| 					fprintf(script, ",\n");
 | |
| 				strlcpy(nspname, PQgetvalue(res, rowno, i_nspname), sizeof(nspname));
 | |
| 				strlcpy(relname, PQgetvalue(res, rowno, i_relname), sizeof(relname));
 | |
| 
 | |
| 				fprintf(script, "ALTER COLUMN %s "
 | |
| 				/* This could have been a custom conversion function call. */
 | |
| 						"TYPE pg_catalog.tsvector USING %s::pg_catalog.text::pg_catalog.tsvector",
 | |
| 						quote_identifier(PQgetvalue(res, rowno, i_attname)),
 | |
| 						quote_identifier(PQgetvalue(res, rowno, i_attname)));
 | |
| 			}
 | |
| 		}
 | |
| 		if (strlen(nspname) != 0 || strlen(relname) != 0)
 | |
| 			fprintf(script, ";\n\n");
 | |
| 
 | |
| 		PQclear(res);
 | |
| 
 | |
| 		/* XXX Mark tables as not accessible somehow */
 | |
| 
 | |
| 		PQfinish(conn);
 | |
| 	}
 | |
| 
 | |
| 	if (script)
 | |
| 		fclose(script);
 | |
| 
 | |
| 	if (found)
 | |
| 	{
 | |
| 		report_status(PG_WARNING, "warning");
 | |
| 		if (check_mode)
 | |
| 			pg_log(PG_WARNING, "\n"
 | |
| 				   "Your installation contains tsvector columns.  The tsvector internal\n"
 | |
| 				   "storage format changed between your old and new clusters so the tables\n"
 | |
| 				   "must be rebuilt.  After upgrading, you will be given instructions.\n\n");
 | |
| 		else
 | |
| 			pg_log(PG_WARNING, "\n"
 | |
| 				   "Your installation contains tsvector columns.  The tsvector internal\n"
 | |
| 				   "storage format changed between your old and new clusters so the tables\n"
 | |
| 				   "must be rebuilt.  The file:\n"
 | |
| 				   "    %s\n"
 | |
| 				   "when executed by psql by the database superuser will rebuild all tables\n"
 | |
| 				   "with tsvector columns.\n\n",
 | |
| 				   output_path);
 | |
| 	}
 | |
| 	else
 | |
| 		check_ok();
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * old_8_3_invalidate_hash_gin_indexes()
 | |
|  *	8.3 -> 8.4
 | |
|  *	Hash and GIN index binary format changed from 8.3->8.4
 | |
|  */
 | |
| void
 | |
| old_8_3_invalidate_hash_gin_indexes(ClusterInfo *cluster, bool check_mode)
 | |
| {
 | |
| 	int			dbnum;
 | |
| 	FILE	   *script = NULL;
 | |
| 	bool		found = false;
 | |
| 	char		output_path[MAXPGPATH];
 | |
| 
 | |
| 	prep_status("Checking for hash and GIN indexes");
 | |
| 
 | |
| 	snprintf(output_path, sizeof(output_path), "reindex_hash_and_gin.sql");
 | |
| 
 | |
| 	for (dbnum = 0; dbnum < cluster->dbarr.ndbs; dbnum++)
 | |
| 	{
 | |
| 		PGresult   *res;
 | |
| 		bool		db_used = false;
 | |
| 		int			ntups;
 | |
| 		int			rowno;
 | |
| 		int			i_nspname,
 | |
| 					i_relname;
 | |
| 		DbInfo	   *active_db = &cluster->dbarr.dbs[dbnum];
 | |
| 		PGconn	   *conn = connectToServer(cluster, active_db->db_name);
 | |
| 
 | |
| 		/* find hash and gin indexes */
 | |
| 		res = executeQueryOrDie(conn,
 | |
| 								"SELECT n.nspname, c.relname "
 | |
| 								"FROM	pg_catalog.pg_class c, "
 | |
| 								"		pg_catalog.pg_index i, "
 | |
| 								"		pg_catalog.pg_am a, "
 | |
| 								"		pg_catalog.pg_namespace n "
 | |
| 								"WHERE	i.indexrelid = c.oid AND "
 | |
| 								"		c.relam = a.oid AND "
 | |
| 								"		c.relnamespace = n.oid AND "
 | |
| 							"		a.amname IN ('hash', 'gin') AND "
 | |
| 								SKIP_TSVECTOR_TABLES);
 | |
| 
 | |
| 		ntups = PQntuples(res);
 | |
| 		i_nspname = PQfnumber(res, "nspname");
 | |
| 		i_relname = PQfnumber(res, "relname");
 | |
| 		for (rowno = 0; rowno < ntups; rowno++)
 | |
| 		{
 | |
| 			found = true;
 | |
| 			if (!check_mode)
 | |
| 			{
 | |
| 				if (script == NULL && (script = fopen_priv(output_path, "w")) == NULL)
 | |
| 					pg_fatal("could not open file \"%s\": %s\n", output_path, getErrorText(errno));
 | |
| 				if (!db_used)
 | |
| 				{
 | |
| 					fprintf(script, "\\connect %s\n",
 | |
| 							quote_identifier(active_db->db_name));
 | |
| 					db_used = true;
 | |
| 				}
 | |
| 				fprintf(script, "REINDEX INDEX %s.%s;\n",
 | |
| 						quote_identifier(PQgetvalue(res, rowno, i_nspname)),
 | |
| 						quote_identifier(PQgetvalue(res, rowno, i_relname)));
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		PQclear(res);
 | |
| 
 | |
| 		if (!check_mode && found)
 | |
| 			/* mark hash and gin indexes as invalid */
 | |
| 			PQclear(executeQueryOrDie(conn,
 | |
| 									  "UPDATE pg_catalog.pg_index i "
 | |
| 									  "SET	indisvalid = false "
 | |
| 									  "FROM	pg_catalog.pg_class c, "
 | |
| 									  "		pg_catalog.pg_am a, "
 | |
| 									  "		pg_catalog.pg_namespace n "
 | |
| 									  "WHERE	i.indexrelid = c.oid AND "
 | |
| 									  "		c.relam = a.oid AND "
 | |
| 									  "		c.relnamespace = n.oid AND "
 | |
| 									"		a.amname IN ('hash', 'gin')"));
 | |
| 
 | |
| 		PQfinish(conn);
 | |
| 	}
 | |
| 
 | |
| 	if (script)
 | |
| 		fclose(script);
 | |
| 
 | |
| 	if (found)
 | |
| 	{
 | |
| 		report_status(PG_WARNING, "warning");
 | |
| 		if (check_mode)
 | |
| 			pg_log(PG_WARNING, "\n"
 | |
| 				   "Your installation contains hash and/or GIN indexes.  These indexes have\n"
 | |
| 				   "different internal formats between your old and new clusters, so they\n"
 | |
| 				   "must be reindexed with the REINDEX command.  After upgrading, you will\n"
 | |
| 				   "be given REINDEX instructions.\n\n");
 | |
| 		else
 | |
| 			pg_log(PG_WARNING, "\n"
 | |
| 				   "Your installation contains hash and/or GIN indexes.  These indexes have\n"
 | |
| 				   "different internal formats between your old and new clusters, so they\n"
 | |
| 				   "must be reindexed with the REINDEX command.  The file:\n"
 | |
| 				   "    %s\n"
 | |
| 				   "when executed by psql by the database superuser will recreate all invalid\n"
 | |
| 			  "indexes; until then, none of these indexes will be used.\n\n",
 | |
| 				   output_path);
 | |
| 	}
 | |
| 	else
 | |
| 		check_ok();
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * old_8_3_invalidate_bpchar_pattern_ops_indexes()
 | |
|  *	8.3 -> 8.4
 | |
|  *	8.4 bpchar_pattern_ops no longer sorts based on trailing spaces
 | |
|  */
 | |
| void
 | |
| old_8_3_invalidate_bpchar_pattern_ops_indexes(ClusterInfo *cluster,
 | |
| 											  bool check_mode)
 | |
| {
 | |
| 	int			dbnum;
 | |
| 	FILE	   *script = NULL;
 | |
| 	bool		found = false;
 | |
| 	char		output_path[MAXPGPATH];
 | |
| 
 | |
| 	prep_status("Checking for bpchar_pattern_ops indexes");
 | |
| 
 | |
| 	snprintf(output_path, sizeof(output_path), "reindex_bpchar_ops.sql");
 | |
| 
 | |
| 	for (dbnum = 0; dbnum < cluster->dbarr.ndbs; dbnum++)
 | |
| 	{
 | |
| 		PGresult   *res;
 | |
| 		bool		db_used = false;
 | |
| 		int			ntups;
 | |
| 		int			rowno;
 | |
| 		int			i_nspname,
 | |
| 					i_relname;
 | |
| 		DbInfo	   *active_db = &cluster->dbarr.dbs[dbnum];
 | |
| 		PGconn	   *conn = connectToServer(cluster, active_db->db_name);
 | |
| 
 | |
| 		/* find bpchar_pattern_ops indexes */
 | |
| 
 | |
| 		/*
 | |
| 		 * Do only non-hash, non-gin indexees;	we already invalidated them
 | |
| 		 * above; no need to reindex twice
 | |
| 		 */
 | |
| 		res = executeQueryOrDie(conn,
 | |
| 								"SELECT n.nspname, c.relname "
 | |
| 								"FROM	pg_catalog.pg_index i, "
 | |
| 								"		pg_catalog.pg_class c, "
 | |
| 								"		pg_catalog.pg_namespace n "
 | |
| 								"WHERE	indexrelid = c.oid AND "
 | |
| 								"		c.relnamespace = n.oid AND "
 | |
| 								"		( "
 | |
| 								"			SELECT	o.oid "
 | |
| 				   "			FROM	pg_catalog.pg_opclass o, "
 | |
| 				  "					pg_catalog.pg_am a"
 | |
| 		"			WHERE	a.amname NOT IN ('hash', 'gin') AND "
 | |
| 			"					a.oid = o.opcmethod AND "
 | |
| 								"					o.opcname = 'bpchar_pattern_ops') "
 | |
| 								"		= ANY (i.indclass) AND "
 | |
| 								SKIP_TSVECTOR_TABLES);
 | |
| 
 | |
| 		ntups = PQntuples(res);
 | |
| 		i_nspname = PQfnumber(res, "nspname");
 | |
| 		i_relname = PQfnumber(res, "relname");
 | |
| 		for (rowno = 0; rowno < ntups; rowno++)
 | |
| 		{
 | |
| 			found = true;
 | |
| 			if (!check_mode)
 | |
| 			{
 | |
| 				if (script == NULL && (script = fopen_priv(output_path, "w")) == NULL)
 | |
| 					pg_fatal("could not open file \"%s\": %s\n", output_path, getErrorText(errno));
 | |
| 				if (!db_used)
 | |
| 				{
 | |
| 					fprintf(script, "\\connect %s\n",
 | |
| 							quote_identifier(active_db->db_name));
 | |
| 					db_used = true;
 | |
| 				}
 | |
| 				fprintf(script, "REINDEX INDEX %s.%s;\n",
 | |
| 						quote_identifier(PQgetvalue(res, rowno, i_nspname)),
 | |
| 						quote_identifier(PQgetvalue(res, rowno, i_relname)));
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		PQclear(res);
 | |
| 
 | |
| 		if (!check_mode && found)
 | |
| 			/* mark bpchar_pattern_ops indexes as invalid */
 | |
| 			PQclear(executeQueryOrDie(conn,
 | |
| 									  "UPDATE pg_catalog.pg_index i "
 | |
| 									  "SET	indisvalid = false "
 | |
| 									  "FROM	pg_catalog.pg_class c, "
 | |
| 									  "		pg_catalog.pg_namespace n "
 | |
| 									  "WHERE	indexrelid = c.oid AND "
 | |
| 									  "		c.relnamespace = n.oid AND "
 | |
| 									  "		( "
 | |
| 									  "			SELECT	o.oid "
 | |
| 						 "			FROM	pg_catalog.pg_opclass o, "
 | |
| 						"					pg_catalog.pg_am a"
 | |
| 			  "			WHERE	a.amname NOT IN ('hash', 'gin') AND "
 | |
| 				  "					a.oid = o.opcmethod AND "
 | |
| 									  "					o.opcname = 'bpchar_pattern_ops') "
 | |
| 									  "		= ANY (i.indclass)"));
 | |
| 
 | |
| 		PQfinish(conn);
 | |
| 	}
 | |
| 
 | |
| 	if (script)
 | |
| 		fclose(script);
 | |
| 
 | |
| 	if (found)
 | |
| 	{
 | |
| 		report_status(PG_WARNING, "warning");
 | |
| 		if (check_mode)
 | |
| 			pg_log(PG_WARNING, "\n"
 | |
| 				   "Your installation contains indexes using \"bpchar_pattern_ops\".  These\n"
 | |
| 				   "indexes have different internal formats between your old and new clusters\n"
 | |
| 				   "so they must be reindexed with the REINDEX command.  After upgrading, you\n"
 | |
| 				   "will be given REINDEX instructions.\n\n");
 | |
| 		else
 | |
| 			pg_log(PG_WARNING, "\n"
 | |
| 				   "Your installation contains indexes using \"bpchar_pattern_ops\".  These\n"
 | |
| 				   "indexes have different internal formats between your old and new clusters\n"
 | |
| 			"so they must be reindexed with the REINDEX command.  The file:\n"
 | |
| 				   "    %s\n"
 | |
| 				   "when executed by psql by the database superuser will recreate all invalid\n"
 | |
| 			  "indexes; until then, none of these indexes will be used.\n\n",
 | |
| 				   output_path);
 | |
| 	}
 | |
| 	else
 | |
| 		check_ok();
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * old_8_3_create_sequence_script()
 | |
|  *	8.3 -> 8.4
 | |
|  *	8.4 added the column "start_value" to all sequences.  For this reason,
 | |
|  *	we don't transfer sequence files but instead use the CREATE SEQUENCE
 | |
|  *	command from the schema dump, and use setval() to restore the sequence
 | |
|  *	value and 'is_called' from the old database.  This is safe to run
 | |
|  *	by pg_upgrade because sequence files are not transferred from the old
 | |
|  *	server, even in link mode.
 | |
|  */
 | |
| char *
 | |
| old_8_3_create_sequence_script(ClusterInfo *cluster)
 | |
| {
 | |
| 	int			dbnum;
 | |
| 	FILE	   *script = NULL;
 | |
| 	bool		found = false;
 | |
| 	char	   *output_path;
 | |
| 
 | |
| 	output_path = pg_strdup("adjust_sequences.sql");
 | |
| 
 | |
| 	prep_status("Creating script to adjust sequences");
 | |
| 
 | |
| 	for (dbnum = 0; dbnum < cluster->dbarr.ndbs; dbnum++)
 | |
| 	{
 | |
| 		PGresult   *res;
 | |
| 		bool		db_used = false;
 | |
| 		int			ntups;
 | |
| 		int			rowno;
 | |
| 		int			i_nspname,
 | |
| 					i_relname;
 | |
| 		DbInfo	   *active_db = &cluster->dbarr.dbs[dbnum];
 | |
| 		PGconn	   *conn = connectToServer(cluster, active_db->db_name);
 | |
| 
 | |
| 		/* Find any sequences */
 | |
| 		res = executeQueryOrDie(conn,
 | |
| 								"SELECT n.nspname, c.relname "
 | |
| 								"FROM	pg_catalog.pg_class c, "
 | |
| 								"		pg_catalog.pg_namespace n "
 | |
| 								"WHERE	c.relkind = 'S' AND "
 | |
| 								"		c.relnamespace = n.oid AND "
 | |
| 		/* exclude possible orphaned temp tables */
 | |
| 								"		n.nspname !~ '^pg_temp_' AND "
 | |
| 						 "		n.nspname !~ '^pg_toast_temp_' AND "
 | |
| 								"		n.nspname NOT IN ('pg_catalog', 'information_schema')");
 | |
| 
 | |
| 		ntups = PQntuples(res);
 | |
| 		i_nspname = PQfnumber(res, "nspname");
 | |
| 		i_relname = PQfnumber(res, "relname");
 | |
| 		for (rowno = 0; rowno < ntups; rowno++)
 | |
| 		{
 | |
| 			PGresult   *seq_res;
 | |
| 			int			i_last_value,
 | |
| 						i_is_called;
 | |
| 			const char *nspname = PQgetvalue(res, rowno, i_nspname);
 | |
| 			const char *relname = PQgetvalue(res, rowno, i_relname);
 | |
| 
 | |
| 			found = true;
 | |
| 
 | |
| 			if (script == NULL && (script = fopen_priv(output_path, "w")) == NULL)
 | |
| 				pg_fatal("could not open file \"%s\": %s\n", output_path, getErrorText(errno));
 | |
| 			if (!db_used)
 | |
| 			{
 | |
| 				fprintf(script, "\\connect %s\n\n",
 | |
| 						quote_identifier(active_db->db_name));
 | |
| 				db_used = true;
 | |
| 			}
 | |
| 
 | |
| 			/* Find the desired sequence */
 | |
| 			seq_res = executeQueryOrDie(conn,
 | |
| 										"SELECT s.last_value, s.is_called "
 | |
| 										"FROM	%s.%s s",
 | |
| 										quote_identifier(nspname),
 | |
| 										quote_identifier(relname));
 | |
| 
 | |
| 			assert(PQntuples(seq_res) == 1);
 | |
| 			i_last_value = PQfnumber(seq_res, "last_value");
 | |
| 			i_is_called = PQfnumber(seq_res, "is_called");
 | |
| 
 | |
| 			fprintf(script, "SELECT setval('%s.%s', %s, '%s');\n",
 | |
| 					quote_identifier(nspname), quote_identifier(relname),
 | |
| 					PQgetvalue(seq_res, 0, i_last_value), PQgetvalue(seq_res, 0, i_is_called));
 | |
| 			PQclear(seq_res);
 | |
| 		}
 | |
| 		if (db_used)
 | |
| 			fprintf(script, "\n");
 | |
| 
 | |
| 		PQclear(res);
 | |
| 
 | |
| 		PQfinish(conn);
 | |
| 	}
 | |
| 
 | |
| 	if (script)
 | |
| 		fclose(script);
 | |
| 
 | |
| 	check_ok();
 | |
| 
 | |
| 	if (found)
 | |
| 		return output_path;
 | |
| 	else
 | |
| 	{
 | |
| 		pg_free(output_path);
 | |
| 		return NULL;
 | |
| 	}
 | |
| }
 |