pg_upgrade: remove support for 8.3 old clusters

This trims down the code, and is in preparation for hardening pg_upgrade
against auto-oid assignment.

contrib/pg_upgrade/Makefile

@@ -6,7 +6,7 @@ PGAPPICON = win32
 PROGRAM  = pg_upgrade
 OBJS = check.o controldata.o dump.o exec.o file.o function.o info.o \
        option.o page.o parallel.o pg_upgrade.o relfilenode.o server.o \
-       tablespace.o util.o version.o version_old_8_3.o $(WIN32RES)
+       tablespace.o util.o version.o $(WIN32RES)
 
 PG_CPPFLAGS  = -DFRONTEND -DDLSUFFIX=\"$(DLSUFFIX)\" -I$(srcdir) -I$(libpq_srcdir)
 PG_LIBS = $(libpq_pgport)

contrib/pg_upgrade/check.c

@@ -73,7 +73,7 @@ output_check_banner(bool live_check)
 
 
 void
-check_and_dump_old_cluster(bool live_check, char **sequence_script_file_name)
+check_and_dump_old_cluster(bool live_check)
 {
 	/* -- OLD -- */
 
@@ -100,29 +100,6 @@ check_and_dump_old_cluster(bool live_check, char **sequence_script_file_name)
 	check_for_reg_data_type_usage(&old_cluster);
 	check_for_isn_and_int8_passing_mismatch(&old_cluster);
 
-	/* old = PG 8.3 checks? */
-	if (GET_MAJOR_VERSION(old_cluster.major_version) <= 803)
-	{
-		old_8_3_check_for_name_data_type_usage(&old_cluster);
-		old_8_3_check_for_tsquery_usage(&old_cluster);
-		old_8_3_check_ltree_usage(&old_cluster);
-		if (user_opts.check)
-		{
-			old_8_3_rebuild_tsvector_tables(&old_cluster, true);
-			old_8_3_invalidate_hash_gin_indexes(&old_cluster, true);
-			old_8_3_invalidate_bpchar_pattern_ops_indexes(&old_cluster, true);
-		}
-		else
-
-			/*
-			 * While we have the old server running, create the script to
-			 * properly restore its sequence values but we report this at the
-			 * end.
-			 */
-			*sequence_script_file_name =
-				old_8_3_create_sequence_script(&old_cluster);
-	}
-
 	/* Pre-PG 9.4 had a different 'line' data type internal format */
 	if (GET_MAJOR_VERSION(old_cluster.major_version) <= 903)
 		old_9_3_check_for_line_data_type_usage(&old_cluster);
@@ -183,31 +160,8 @@ report_clusters_compatible(void)
 
 
 void
-issue_warnings(char *sequence_script_file_name)
+issue_warnings(void)
 {
-	/* old = PG 8.3 warnings? */
-	if (GET_MAJOR_VERSION(old_cluster.major_version) <= 803)
-	{
-		start_postmaster(&new_cluster, true);
-
-		/* restore proper sequence values using file created from old server */
-		if (sequence_script_file_name)
-		{
-			prep_status("Adjusting sequences");
-			exec_prog(UTILITY_LOG_FILE, NULL, true,
-					  "\"%s/psql\" " EXEC_PSQL_ARGS " %s -f \"%s\"",
-					  new_cluster.bindir, cluster_conn_opts(&new_cluster),
-					  sequence_script_file_name);
-			unlink(sequence_script_file_name);
-			check_ok();
-		}
-
-		old_8_3_rebuild_tsvector_tables(&new_cluster, false);
-		old_8_3_invalidate_hash_gin_indexes(&new_cluster, false);
-		old_8_3_invalidate_bpchar_pattern_ops_indexes(&new_cluster, false);
-		stop_postmaster(false);
-	}
-
 	/* Create dummy large object permissions for old < PG 9.0? */
 	if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
 	{
@@ -262,8 +216,8 @@ check_cluster_versions(void)
 	 * upgrades
 	 */
 
-	if (GET_MAJOR_VERSION(old_cluster.major_version) < 803)
-		pg_fatal("This utility can only upgrade from PostgreSQL version 8.3 and later.\n");
+	if (GET_MAJOR_VERSION(old_cluster.major_version) < 804)
+		pg_fatal("This utility can only upgrade from PostgreSQL version 8.4 and later.\n");
 
 	/* Only current PG version is supported as a target */
 	if (GET_MAJOR_VERSION(new_cluster.major_version) != GET_MAJOR_VERSION(PG_VERSION_NUM))

contrib/pg_upgrade/controldata.c

@@ -125,13 +125,6 @@ get_control_data(ClusterInfo *cluster, bool live_check)
 	cluster->controldata.lc_collate = NULL;
 	cluster->controldata.lc_ctype = NULL;
 
-	/* Only in <= 8.3 */
-	if (GET_MAJOR_VERSION(cluster->major_version) <= 803)
-	{
-		cluster->controldata.float8_pass_by_value = false;
-		got_float8_pass_by_value = true;
-	}
-
 	/* Only in <= 9.2 */
 	if (GET_MAJOR_VERSION(cluster->major_version) <= 902)
 	{
@@ -144,23 +137,6 @@ get_control_data(ClusterInfo *cluster, bool live_check)
 	{
 		pg_log(PG_VERBOSE, "%s", bufin);
 
-#ifdef WIN32
-
-		/*
-		 * Due to an installer bug, LANG=C doesn't work for PG 8.3.3, but does
-		 * work 8.2.6 and 8.3.7, so check for non-ASCII output and suggest a
-		 * minor upgrade.
-		 */
-		if (GET_MAJOR_VERSION(cluster->major_version) <= 803)
-		{
-			for (p = bufin; *p; p++)
-				if (!isascii((unsigned char) *p))
-					pg_fatal("The 8.3 cluster's pg_controldata is incapable of outputting ASCII, even\n"
-							 "with LANG=C.  You must upgrade this cluster to a newer version of PostgreSQL\n"
-							 "8.3 to fix this bug.  PostgreSQL 8.3.7 and later are known to work properly.\n");
-		}
-#endif
-
 		if ((p = strstr(bufin, "pg_control version number:")) != NULL)
 		{
 			p = strchr(p, ':');
@@ -550,7 +526,6 @@ get_control_data(ClusterInfo *cluster, bool live_check)
 		if (!got_date_is_int)
 			pg_log(PG_REPORT, "  dates/times are integers?\n");
 
-		/* value added in Postgres 8.4 */
 		if (!got_float8_pass_by_value)
 			pg_log(PG_REPORT, "  float8 argument passing method\n");
 
@@ -598,17 +573,7 @@ check_control_data(ControlData *oldctrl,
 		pg_fatal("old and new pg_controldata maximum TOAST chunk sizes are invalid or do not match\n");
 
 	if (oldctrl->date_is_int != newctrl->date_is_int)
-	{
-		pg_log(PG_WARNING,
-			   "\nOld and new pg_controldata date/time storage types do not match.\n");
-
-		/*
-		 * This is a common 8.3 -> 8.4 upgrade problem, so we are more verbose
-		 */
-		pg_fatal("You will need to rebuild the new server with configure option\n"
-				 "--disable-integer-datetimes or get server binaries built with those\n"
-				 "options.\n");
-	}
+		pg_fatal("old and new pg_controldata date/time storage types do not match\n");
 
 	/*
 	 * We might eventually allow upgrades from checksum to no-checksum

contrib/pg_upgrade/info.c

@@ -325,7 +325,7 @@ get_rel_infos(ClusterInfo *cluster, DbInfo *dbinfo)
 			 "	   ON c.relnamespace = n.oid "
 			 "LEFT OUTER JOIN pg_catalog.pg_index i "
 			 "	   ON c.oid = i.indexrelid "
-			 "WHERE relkind IN ('r', 'm', 'i'%s) AND "
+			 "WHERE relkind IN ('r', 'm', 'i', 'S') AND "
 
 	/*
 	 * pg_dump only dumps valid indexes;  testing indisready is necessary in
@@ -342,9 +342,6 @@ get_rel_infos(ClusterInfo *cluster, DbInfo *dbinfo)
 			 "	  c.oid >= %u) "
 			 "  OR (n.nspname = 'pg_catalog' AND "
 	"    relname IN ('pg_largeobject', 'pg_largeobject_loid_pn_index'%s) ));",
-	/* see the comment at the top of old_8_3_create_sequence_script() */
-			 (GET_MAJOR_VERSION(old_cluster.major_version) <= 803) ?
-			 "" : ", 'S'",
 			 FirstNormalObjectId,
 	/* does pg_largeobject_metadata need to be migrated? */
 			 (GET_MAJOR_VERSION(old_cluster.major_version) <= 804) ?

contrib/pg_upgrade/pg_upgrade.c

@@ -69,7 +69,6 @@ char	   *output_files[] = {
 int
 main(int argc, char **argv)
 {
-	char	   *sequence_script_file_name = NULL;
 	char	   *analyze_script_file_name = NULL;
 	char	   *deletion_script_file_name = NULL;
 	bool		live_check = false;
@@ -90,7 +89,7 @@ main(int argc, char **argv)
 
 	check_cluster_compatibility(live_check);
 
-	check_and_dump_old_cluster(live_check, &sequence_script_file_name);
+	check_and_dump_old_cluster(live_check);
 
 
 	/* -- NEW -- */
@@ -157,7 +156,7 @@ main(int argc, char **argv)
 	create_script_for_cluster_analyze(&analyze_script_file_name);
 	create_script_for_old_cluster_deletion(&deletion_script_file_name);
 
-	issue_warnings(sequence_script_file_name);
+	issue_warnings();
 
 	pg_log(PG_REPORT, "\nUpgrade Complete\n");
 	pg_log(PG_REPORT, "----------------\n");
@@ -167,7 +166,6 @@ main(int argc, char **argv)
 
 	pg_free(analyze_script_file_name);
 	pg_free(deletion_script_file_name);
-	pg_free(sequence_script_file_name);
 
 	cleanup();
 

contrib/pg_upgrade/pg_upgrade.h

@@ -313,11 +313,10 @@ extern OSInfo os_info;
 /* check.c */
 
 void		output_check_banner(bool live_check);
-void check_and_dump_old_cluster(bool live_check,
-						   char **sequence_script_file_name);
+void check_and_dump_old_cluster(bool live_check);
 void		check_new_cluster(void);
 void		report_clusters_compatible(void);
-void		issue_warnings(char *sequence_script_file_name);
+void		issue_warnings(void);
 void output_completion_banner(char *analyze_script_file_name,
 						 char *deletion_script_file_name);
 void		check_cluster_versions(void);
@@ -471,17 +470,6 @@ void new_9_0_populate_pg_largeobject_metadata(ClusterInfo *cluster,
 										 bool check_mode);
 void old_9_3_check_for_line_data_type_usage(ClusterInfo *cluster);
 
-/* version_old_8_3.c */
-
-void		old_8_3_check_for_name_data_type_usage(ClusterInfo *cluster);
-void		old_8_3_check_for_tsquery_usage(ClusterInfo *cluster);
-void		old_8_3_check_ltree_usage(ClusterInfo *cluster);
-void		old_8_3_rebuild_tsvector_tables(ClusterInfo *cluster, bool check_mode);
-void		old_8_3_invalidate_hash_gin_indexes(ClusterInfo *cluster, bool check_mode);
-void old_8_3_invalidate_bpchar_pattern_ops_indexes(ClusterInfo *cluster,
-											  bool check_mode);
-char	   *old_8_3_create_sequence_script(ClusterInfo *cluster);
-
 /* parallel.c */
 void
 parallel_exec_prog(const char *log_file, const char *opt_log_file,