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diff --git a/includes/installer/PostgresUpdater.php b/includes/installer/PostgresUpdater.php
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+<?php
+/**
+ * PostgreSQL-specific updater.
+ *
+ * @file
+ * @ingroup Deployment
+ */
+
+/**
+ * Class for handling updates to Postgres databases.
+ *
+ * @ingroup Deployment
+ * @since 1.17
+ */
+
+class PostgresUpdater extends DatabaseUpdater {
+
+ /**
+ * @todo FIXME: Postgres should use sequential updates like Mysql, Sqlite
+ * and everybody else. It never got refactored like it should've.
+ */
+ protected function getCoreUpdateList() {
+ return array(
+ # new sequences
+ array( 'addSequence', 'logging_log_id_seq' ),
+ array( 'addSequence', 'page_restrictions_pr_id_seq' ),
+
+ # renamed sequences
+ array( 'renameSequence', 'ipblocks_ipb_id_val', 'ipblocks_ipb_id_seq' ),
+ array( 'renameSequence', 'rev_rev_id_val', 'revision_rev_id_seq' ),
+ array( 'renameSequence', 'text_old_id_val', 'text_old_id_seq' ),
+ array( 'renameSequence', 'category_id_seq', 'category_cat_id_seq' ),
+ array( 'renameSequence', 'rc_rc_id_seq', 'recentchanges_rc_id_seq' ),
+ array( 'renameSequence', 'log_log_id_seq', 'logging_log_id_seq' ),
+ array( 'renameSequence', 'pr_id_val', 'page_restrictions_pr_id_seq' ),
+
+ # new tables
+ array( 'addTable', 'category', 'patch-category.sql' ),
+ array( 'addTable', 'page', 'patch-page.sql' ),
+ array( 'addTable', 'querycachetwo', 'patch-querycachetwo.sql' ),
+ array( 'addTable', 'page_props', 'patch-page_props.sql' ),
+ array( 'addTable', 'page_restrictions', 'patch-page_restrictions.sql' ),
+ array( 'addTable', 'profiling', 'patch-profiling.sql' ),
+ array( 'addTable', 'protected_titles', 'patch-protected_titles.sql' ),
+ array( 'addTable', 'redirect', 'patch-redirect.sql' ),
+ array( 'addTable', 'updatelog', 'patch-updatelog.sql' ),
+ array( 'addTable', 'change_tag', 'patch-change_tag.sql' ),
+ array( 'addTable', 'tag_summary', 'patch-tag_summary.sql' ),
+ array( 'addTable', 'valid_tag', 'patch-valid_tag.sql' ),
+ array( 'addTable', 'user_properties', 'patch-user_properties.sql' ),
+ array( 'addTable', 'log_search', 'patch-log_search.sql' ),
+ array( 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ),
+ array( 'addTable', 'iwlinks', 'patch-iwlinks.sql' ),
+ array( 'addTable', 'msg_resource', 'patch-msg_resource.sql' ),
+ array( 'addTable', 'msg_resource_links','patch-msg_resource_links.sql' ),
+ array( 'addTable', 'module_deps', 'patch-module_deps.sql' ),
+
+ # Needed before new field
+ array( 'convertArchive2' ),
+
+ # new fields
+ array( 'addPgField', 'archive', 'ar_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'archive', 'ar_len', 'INTEGER' ),
+ array( 'addPgField', 'archive', 'ar_page_id', 'INTEGER' ),
+ array( 'addPgField', 'archive', 'ar_parent_id', 'INTEGER' ),
+ array( 'addPgField', 'categorylinks', 'cl_sortkey_prefix', "TEXT NOT NULL DEFAULT ''"),
+ array( 'addPgField', 'categorylinks', 'cl_collation', "TEXT NOT NULL DEFAULT 0"),
+ array( 'addPgField', 'categorylinks', 'cl_type', "TEXT NOT NULL DEFAULT 'page'"),
+ array( 'addPgField', 'image', 'img_sha1', "TEXT NOT NULL DEFAULT ''" ),
+ array( 'addPgField', 'ipblocks', 'ipb_allow_usertalk', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'ipblocks', 'ipb_anon_only', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'ipblocks', 'ipb_by_text', "TEXT NOT NULL DEFAULT ''" ),
+ array( 'addPgField', 'ipblocks', 'ipb_block_email', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'ipblocks', 'ipb_create_account', 'SMALLINT NOT NULL DEFAULT 1' ),
+ array( 'addPgField', 'ipblocks', 'ipb_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'ipblocks', 'ipb_enable_autoblock', 'SMALLINT NOT NULL DEFAULT 1' ),
+ array( 'addPgField', 'filearchive', 'fa_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'logging', 'log_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'logging', 'log_id', "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('logging_log_id_seq')" ),
+ array( 'addPgField', 'logging', 'log_params', 'TEXT' ),
+ array( 'addPgField', 'mwuser', 'user_editcount', 'INTEGER' ),
+ array( 'addPgField', 'mwuser', 'user_newpass_time', 'TIMESTAMPTZ' ),
+ array( 'addPgField', 'oldimage', 'oi_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'oldimage', 'oi_major_mime', "TEXT NOT NULL DEFAULT 'unknown'" ),
+ array( 'addPgField', 'oldimage', 'oi_media_type', 'TEXT' ),
+ array( 'addPgField', 'oldimage', 'oi_metadata', "BYTEA NOT NULL DEFAULT ''" ),
+ array( 'addPgField', 'oldimage', 'oi_minor_mime', "TEXT NOT NULL DEFAULT 'unknown'" ),
+ array( 'addPgField', 'oldimage', 'oi_sha1', "TEXT NOT NULL DEFAULT ''" ),
+ array( 'addPgField', 'page_restrictions', 'pr_id', "INTEGER NOT NULL UNIQUE DEFAULT nextval('page_restrictions_pr_id_seq')" ),
+ array( 'addPgField', 'profiling', 'pf_memory', 'NUMERIC(18,10) NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'recentchanges', 'rc_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'recentchanges', 'rc_log_action', 'TEXT' ),
+ array( 'addPgField', 'recentchanges', 'rc_log_type', 'TEXT' ),
+ array( 'addPgField', 'recentchanges', 'rc_logid', 'INTEGER NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'recentchanges', 'rc_new_len', 'INTEGER' ),
+ array( 'addPgField', 'recentchanges', 'rc_old_len', 'INTEGER' ),
+ array( 'addPgField', 'recentchanges', 'rc_params', 'TEXT' ),
+ array( 'addPgField', 'redirect', 'rd_interwiki', 'TEXT NULL' ),
+ array( 'addPgField', 'redirect', 'rd_fragment', 'TEXT NULL' ),
+ array( 'addPgField', 'revision', 'rev_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
+ array( 'addPgField', 'revision', 'rev_len', 'INTEGER' ),
+ array( 'addPgField', 'revision', 'rev_parent_id', 'INTEGER DEFAULT NULL' ),
+ array( 'addPgField', 'site_stats', 'ss_active_users', "INTEGER DEFAULT '-1'" ),
+ array( 'addPgField', 'user_newtalk', 'user_last_timestamp', 'TIMESTAMPTZ' ),
+ array( 'addPgField', 'logging', 'log_user_text', "TEXT NOT NULL DEFAULT ''" ),
+ array( 'addPgField', 'logging', 'log_page', 'INTEGER' ),
+ array( 'addPgField', 'interwiki', 'iw_api', "TEXT NOT NULL DEFAULT ''"),
+ array( 'addPgField', 'interwiki', 'iw_wikiid', "TEXT NOT NULL DEFAULT ''"),
+
+ # type changes
+ array( 'changeField', 'archive', 'ar_deleted', 'smallint', '' ),
+ array( 'changeField', 'archive', 'ar_minor_edit', 'smallint', 'ar_minor_edit::smallint DEFAULT 0' ),
+ array( 'changeField', 'filearchive', 'fa_deleted', 'smallint', '' ),
+ array( 'changeField', 'filearchive', 'fa_height', 'integer', '' ),
+ array( 'changeField', 'filearchive', 'fa_metadata', 'bytea', "decode(fa_metadata,'escape')" ),
+ array( 'changeField', 'filearchive', 'fa_size', 'integer', '' ),
+ array( 'changeField', 'filearchive', 'fa_width', 'integer', '' ),
+ array( 'changeField', 'filearchive', 'fa_storage_group', 'text', '' ),
+ array( 'changeField', 'filearchive', 'fa_storage_key', 'text', '' ),
+ array( 'changeField', 'image', 'img_metadata', 'bytea', "decode(img_metadata,'escape')" ),
+ array( 'changeField', 'image', 'img_size', 'integer', '' ),
+ array( 'changeField', 'image', 'img_width', 'integer', '' ),
+ array( 'changeField', 'image', 'img_height', 'integer', '' ),
+ array( 'changeField', 'interwiki', 'iw_local', 'smallint', 'iw_local::smallint DEFAULT 0' ),
+ array( 'changeField', 'interwiki', 'iw_trans', 'smallint', 'iw_trans::smallint DEFAULT 0' ),
+ array( 'changeField', 'ipblocks', 'ipb_auto', 'smallint', 'ipb_auto::smallint DEFAULT 0' ),
+ array( 'changeField', 'ipblocks', 'ipb_anon_only', 'smallint', "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0" ),
+ array( 'changeField', 'ipblocks', 'ipb_create_account', 'smallint', "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1" ),
+ array( 'changeField', 'ipblocks', 'ipb_enable_autoblock', 'smallint', "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1" ),
+ array( 'changeField', 'ipblocks', 'ipb_block_email', 'smallint', "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0" ),
+ array( 'changeField', 'ipblocks', 'ipb_address', 'text', 'ipb_address::text' ),
+ array( 'changeField', 'ipblocks', 'ipb_deleted', 'smallint', 'ipb_deleted::smallint DEFAULT 0' ),
+ array( 'changeField', 'math', 'math_inputhash', 'bytea', "decode(math_inputhash,'escape')" ),
+ array( 'changeField', 'math', 'math_outputhash', 'bytea', "decode(math_outputhash,'escape')" ),
+ array( 'changeField', 'mwuser', 'user_token', 'text', '' ),
+ array( 'changeField', 'mwuser', 'user_email_token', 'text', '' ),
+ array( 'changeField', 'objectcache', 'keyname', 'text', '' ),
+ array( 'changeField', 'oldimage', 'oi_height', 'integer', '' ),
+ array( 'changeField', 'oldimage', 'oi_metadata', 'bytea', "decode(img_metadata,'escape')" ),
+ array( 'changeField', 'oldimage', 'oi_size', 'integer', '' ),
+ array( 'changeField', 'oldimage', 'oi_width', 'integer', '' ),
+ array( 'changeField', 'page', 'page_is_redirect', 'smallint', 'page_is_redirect::smallint DEFAULT 0' ),
+ array( 'changeField', 'page', 'page_is_new', 'smallint', 'page_is_new::smallint DEFAULT 0' ),
+ array( 'changeField', 'querycache', 'qc_value', 'integer', '' ),
+ array( 'changeField', 'querycachetwo', 'qcc_value', 'integer', '' ),
+ array( 'changeField', 'recentchanges', 'rc_bot', 'smallint', 'rc_bot::smallint DEFAULT 0' ),
+ array( 'changeField', 'recentchanges', 'rc_deleted', 'smallint', '' ),
+ array( 'changeField', 'recentchanges', 'rc_minor', 'smallint', 'rc_minor::smallint DEFAULT 0' ),
+ array( 'changeField', 'recentchanges', 'rc_new', 'smallint', 'rc_new::smallint DEFAULT 0' ),
+ array( 'changeField', 'recentchanges', 'rc_type', 'smallint', 'rc_type::smallint DEFAULT 0' ),
+ array( 'changeField', 'recentchanges', 'rc_patrolled', 'smallint', 'rc_patrolled::smallint DEFAULT 0' ),
+ array( 'changeField', 'revision', 'rev_deleted', 'smallint', 'rev_deleted::smallint DEFAULT 0' ),
+ array( 'changeField', 'revision', 'rev_minor_edit', 'smallint', 'rev_minor_edit::smallint DEFAULT 0' ),
+ array( 'changeField', 'templatelinks', 'tl_namespace', 'smallint', 'tl_namespace::smallint' ),
+ array( 'changeField', 'user_newtalk', 'user_ip', 'text', 'host(user_ip)' ),
+
+ # null changes
+ array( 'changeNullableField', 'oldimage', 'oi_bits', 'NULL' ),
+ array( 'changeNullableField', 'oldimage', 'oi_timestamp', 'NULL' ),
+ array( 'changeNullableField', 'oldimage', 'oi_major_mime', 'NULL' ),
+ array( 'changeNullableField', 'oldimage', 'oi_minor_mime', 'NULL' ),
+
+ array( 'checkOiDeleted' ),
+
+ # New indexes
+ array( 'addPgIndex', 'archive', 'archive_user_text', '(ar_user_text)' ),
+ array( 'addPgIndex', 'image', 'img_sha1', '(img_sha1)' ),
+ array( 'addPgIndex', 'oldimage', 'oi_sha1', '(oi_sha1)' ),
+ array( 'addPgIndex', 'page', 'page_mediawiki_title', '(page_title) WHERE page_namespace = 8' ),
+ array( 'addPgIndex', 'pagelinks', 'pagelinks_title', '(pl_title)' ),
+ array( 'addPgIndex', 'revision', 'rev_text_id_idx', '(rev_text_id)' ),
+ array( 'addPgIndex', 'recentchanges', 'rc_timestamp_bot', '(rc_timestamp) WHERE rc_bot = 0' ),
+ array( 'addPgIndex', 'templatelinks', 'templatelinks_from', '(tl_from)' ),
+ array( 'addPgIndex', 'watchlist', 'wl_user', '(wl_user)' ),
+ array( 'addPgIndex', 'logging', 'logging_user_type_time', '(log_user, log_type, log_timestamp)' ),
+ array( 'addPgIndex', 'logging', 'logging_page_id_time', '(log_page,log_timestamp)' ),
+ array( 'addPgIndex', 'iwlinks', 'iwl_prefix_title_from', '(iwl_prefix, iwl_title, iwl_from)' ),
+
+ array( 'checkOiNameConstraint' ),
+ array( 'checkPageDeletedTrigger' ),
+ array( 'checkRcCurIdNullable' ),
+ array( 'checkPagelinkUniqueIndex' ),
+ array( 'checkRevUserFkey' ),
+ array( 'checkIpbAdress' ),
+ array( 'checkIwlPrefix' ),
+
+ # All FK columns should be deferred
+ array( 'changeFkeyDeferrable', 'archive', 'ar_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'categorylinks', 'cl_from', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'externallinks', 'el_from', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'filearchive', 'fa_deleted_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'filearchive', 'fa_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'image', 'img_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'imagelinks', 'il_from', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'ipblocks', 'ipb_by', 'mwuser(user_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'ipblocks', 'ipb_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'langlinks', 'll_from', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'logging', 'log_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'oldimage', 'oi_name', 'image(img_name) ON DELETE CASCADE ON UPDATE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'oldimage', 'oi_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'pagelinks', 'pl_from', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'page_props', 'pp_page', 'page (page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'page_restrictions', 'pr_page', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'protected_titles', 'pt_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'recentchanges', 'rc_cur_id', 'page(page_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'recentchanges', 'rc_user', 'mwuser(user_id) ON DELETE SET NULL' ),
+ array( 'changeFkeyDeferrable', 'redirect', 'rd_from', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'revision', 'rev_page', 'page (page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'revision', 'rev_user', 'mwuser(user_id) ON DELETE RESTRICT' ),
+ array( 'changeFkeyDeferrable', 'templatelinks', 'tl_from', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'trackbacks', 'tb_page', 'page(page_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'user_groups', 'ug_user', 'mwuser(user_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'user_newtalk', 'user_id', 'mwuser(user_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'user_properties', 'up_user', 'mwuser(user_id) ON DELETE CASCADE' ),
+ array( 'changeFkeyDeferrable', 'watchlist', 'wl_user', 'mwuser(user_id) ON DELETE CASCADE' ),
+
+ # end
+ array( 'tsearchFixes' ),
+ );
+ }
+
+ protected function getOldGlobalUpdates() {
+ global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
+
+ $updates = array();
+
+ # Add missing extension tables
+ foreach ( $wgExtNewTables as $tableRecord ) {
+ $updates[] = array(
+ 'addTable', $tableRecord[0], $tableRecord[1], true
+ );
+ }
+
+ # Add missing extension fields
+ foreach ( $wgExtPGNewFields as $fieldRecord ) {
+ $updates[] = array(
+ 'addPgField', $fieldRecord[0], $fieldRecord[1],
+ $fieldRecord[2]
+ );
+ }
+
+ # Change altered columns
+ foreach ( $wgExtPGAlteredFields as $fieldRecord ) {
+ $updates[] = array(
+ 'changeField', $fieldRecord[0], $fieldRecord[1],
+ $fieldRecord[2]
+ );
+ }
+
+ # Add missing extension indexes
+ foreach ( $wgExtNewIndexes as $fieldRecord ) {
+ $updates[] = array(
+ 'addPgExtIndex', $fieldRecord[0], $fieldRecord[1],
+ $fieldRecord[2]
+ );
+ }
+
+ return $updates;
+ }
+
+ protected function describeTable( $table ) {
+ global $wgDBmwschema;
+ $q = <<<END
+SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
+ WHERE pg_class.relnamespace = pg_namespace.oid
+ AND attrelid=pg_class.oid AND attnum > 0
+ AND relname=%s AND nspname=%s
+END;
+ $res = $this->db->query( sprintf( $q,
+ $this->db->addQuotes( $table ),
+ $this->db->addQuotes( $wgDBmwschema ) ) );
+ if ( !$res ) {
+ return null;
+ }
+
+ $cols = array();
+ foreach ( $res as $r ) {
+ $cols[] = array(
+ "name" => $r[0],
+ "ord" => $r[1],
+ );
+ }
+ return $cols;
+ }
+
+ function describeIndex( $idx ) {
+ global $wgDBmwschema;
+
+ // first fetch the key (which is a list of columns ords) and
+ // the table the index applies to (an oid)
+ $q = <<<END
+SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
+ WHERE nspname=%s
+ AND pg_class.relnamespace = pg_namespace.oid
+ AND relname=%s
+ AND indexrelid=pg_class.oid
+END;
+ $res = $this->db->query(
+ sprintf(
+ $q,
+ $this->db->addQuotes( $wgDBmwschema ),
+ $this->db->addQuotes( $idx )
+ )
+ );
+ if ( !$res ) {
+ return null;
+ }
+ if ( !( $r = $this->db->fetchRow( $res ) ) ) {
+ return null;
+ }
+
+ $indkey = $r[0];
+ $relid = intval( $r[1] );
+ $indkeys = explode( ' ', $indkey );
+
+ $colnames = array();
+ foreach ( $indkeys as $rid ) {
+ $query = <<<END
+SELECT attname FROM pg_class, pg_attribute
+ WHERE attrelid=$relid
+ AND attnum=%d
+ AND attrelid=pg_class.oid
+END;
+ $r2 = $this->db->query( sprintf( $query, $rid ) );
+ if ( !$r2 ) {
+ return null;
+ }
+ if ( !( $row2 = $this->db->fetchRow( $r2 ) ) ) {
+ return null;
+ }
+ $colnames[] = $row2[0];
+ }
+
+ return $colnames;
+ }
+
+ function fkeyDeltype( $fkey ) {
+ global $wgDBmwschema;
+ $q = <<<END
+SELECT confdeltype FROM pg_constraint, pg_namespace
+ WHERE connamespace=pg_namespace.oid
+ AND nspname=%s
+ AND conname=%s;
+END;
+ $r = $this->db->query(
+ sprintf(
+ $q,
+ $this->db->addQuotes( $wgDBmwschema ),
+ $this->db->addQuotes( $fkey )
+ )
+ );
+ if ( !( $row = $this->db->fetchRow( $r ) ) ) {
+ return null;
+ }
+ return $row[0];
+ }
+
+ function ruleDef( $table, $rule ) {
+ global $wgDBmwschema;
+ $q = <<<END
+SELECT definition FROM pg_rules
+ WHERE schemaname = %s
+ AND tablename = %s
+ AND rulename = %s
+END;
+ $r = $this->db->query(
+ sprintf(
+ $q,
+ $this->db->addQuotes( $wgDBmwschema ),
+ $this->db->addQuotes( $table ),
+ $this->db->addQuotes( $rule )
+ )
+ );
+ $row = $this->db->fetchRow( $r );
+ if ( !$row ) {
+ return null;
+ }
+ $d = $row[0];
+ return $d;
+ }
+
+ protected function addSequence( $ns ) {
+ if ( !$this->db->sequenceExists( $ns ) ) {
+ $this->output( "Creating sequence $ns\n" );
+ $this->db->query( "CREATE SEQUENCE $ns" );
+ }
+ }
+
+ protected function renameSequence( $old, $new ) {
+ if ( $this->db->sequenceExists( $old ) ) {
+ $this->output( "Renaming sequence $old to $new\n" );
+ $this->db->query( "ALTER SEQUENCE $old RENAME TO $new" );
+ }
+ }
+
+ protected function renameTable( $old, $new ) {
+ if ( $this->db->tableExists( $old ) ) {
+ $this->output( "Renaming table $old to $new\n" );
+ $old = $this->db->addQuotes( $old );
+ $this->db->query( "ALTER TABLE $old RENAME TO $new" );
+ }
+ }
+
+ protected function addPgField( $table, $field, $type ) {
+ $fi = $this->db->fieldInfo( $table, $field );
+ if ( !is_null( $fi ) ) {
+ $this->output( "... column '$table.$field' already exists\n" );
+ return;
+ } else {
+ $this->output( "Adding column '$table.$field'\n" );
+ $this->db->query( "ALTER TABLE $table ADD $field $type" );
+ }
+ }
+
+ protected function changeField( $table, $field, $newtype, $default ) {
+ $fi = $this->db->fieldInfo( $table, $field );
+ if ( is_null( $fi ) ) {
+ $this->output( "... error: expected column $table.$field to exist\n" );
+ exit( 1 );
+ }
+
+ if ( $fi->type() === $newtype )
+ $this->output( "... column '$table.$field' is already of type '$newtype'\n" );
+ else {
+ $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
+ $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
+ if ( strlen( $default ) ) {
+ $res = array();
+ if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
+ $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
+ $this->db->query( $sqldef );
+ $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
+ }
+ $sql .= " USING $default";
+ }
+ $sql .= ";\nCOMMIT;\n";
+ $this->db->query( $sql );
+ }
+ }
+
+ protected function changeNullableField( $table, $field, $null ) {
+ $fi = $this->db->fieldInfo( $table, $field );
+ if ( is_null( $fi ) ) {
+ $this->output( "... error: expected column $table.$field to exist\n" );
+ exit( 1 );
+ }
+ if ( $fi->isNullable() ) {
+ # # It's NULL - does it need to be NOT NULL?
+ if ( 'NOT NULL' === $null ) {
+ $this->output( "Changing '$table.$field' to not allow NULLs\n" );
+ $this->db->query( "ALTER TABLE $table ALTER $field SET NOT NULL" );
+ } else {
+ $this->output( "... column '$table.$field' is already set as NULL\n" );
+ }
+ } else {
+ # # It's NOT NULL - does it need to be NULL?
+ if ( 'NULL' === $null ) {
+ $this->output( "Changing '$table.$field' to allow NULLs\n" );
+ $this->db->query( "ALTER TABLE $table ALTER $field DROP NOT NULL" );
+ }
+ else {
+ $this->output( "... column '$table.$field' is already set as NOT NULL\n" );
+ }
+ }
+ }
+
+ public function addPgIndex( $table, $index, $type ) {
+ if ( $this->db->indexExists( $table, $index ) ) {
+ $this->output( "... index '$index' on table '$table' already exists\n" );
+ } else {
+ $this->output( "Creating index '$index' on table '$table' $type\n" );
+ $this->db->query( "CREATE INDEX $index ON $table $type" );
+ }
+ }
+
+ public function addPgExtIndex( $table, $index, $type ) {
+ if ( $this->db->indexExists( $table, $index ) ) {
+ $this->output( "... index '$index' on table '$table' already exists\n" );
+ } else {
+ $this->output( "Creating index '$index' on table '$table'\n" );
+ if ( preg_match( '/^\(/', $type ) ) {
+ $this->db->query( "CREATE INDEX $index ON $table $type" );
+ } else {
+ $this->applyPatch( $type, true );
+ }
+ }
+ }
+
+ protected function changeFkeyDeferrable( $table, $field, $clause ) {
+ $fi = $this->db->fieldInfo( $table, $field );
+ if ( is_null( $fi ) ) {
+ $this->output( "WARNING! Column '$table.$field' does not exist but it should! Please report this.\n" );
+ return;
+ }
+ if ( $fi->is_deferred() && $fi->is_deferrable() ) {
+ return;
+ }
+ $this->output( "Altering column '$table.$field' to be DEFERRABLE INITIALLY DEFERRED\n" );
+ $conname = $fi->conname();
+ $command = "ALTER TABLE $table DROP CONSTRAINT $conname";
+ $this->db->query( $command );
+ $command = "ALTER TABLE $table ADD CONSTRAINT $conname FOREIGN KEY ($field) REFERENCES $clause DEFERRABLE INITIALLY DEFERRED";
+ $this->db->query( $command );
+ }
+
+ protected function convertArchive2() {
+ if ( $this->db->tableExists( "archive2" ) ) {
+ $this->output( "Converting 'archive2' back to normal archive table\n" );
+ if ( $this->db->ruleExists( 'archive', 'archive_insert' ) ) {
+ $this->output( "Dropping rule 'archive_insert'\n" );
+ $this->db->query( 'DROP RULE archive_insert ON archive' );
+ }
+ if ( $this->db->ruleExists( 'archive', 'archive_delete' ) ) {
+ $this->output( "Dropping rule 'archive_delete'\n" );
+ $this->db->query( 'DROP RULE archive_delete ON archive' );
+ }
+ $this->applyPatch( 'patch-remove-archive2.sql' );
+ } else {
+ $this->output( "... obsolete table 'archive2' does not exist\n" );
+ }
+ }
+
+ protected function checkOiDeleted() {
+ if ( $this->db->fieldInfo( 'oldimage', 'oi_deleted' )->type() !== 'smallint' ) {
+ $this->output( "Changing 'oldimage.oi_deleted' to type 'smallint'\n" );
+ $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
+ $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
+ $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
+ } else {
+ $this->output( "... column 'oldimage.oi_deleted' is already of type 'smallint'\n" );
+ }
+ }
+
+ protected function checkOiNameConstraint() {
+ if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascaded" ) ) {
+ $this->output( "... table 'oldimage' has correct cascading delete/update foreign key to image\n" );
+ } else {
+ if ( $this->db->hasConstraint( "oldimage_oi_name_fkey" ) ) {
+ $this->db->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
+ }
+ if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascade" ) ) {
+ $this->db->query( "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
+ }
+ $this->output( "Making foreign key on table 'oldimage' (to image) a cascade delete/update\n" );
+ $this->db->query( "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded " .
+ "FOREIGN KEY (oi_name) REFERENCES image(img_name) ON DELETE CASCADE ON UPDATE CASCADE" );
+ }
+ }
+
+ protected function checkPageDeletedTrigger() {
+ if ( !$this->db->triggerExists( 'page', 'page_deleted' ) ) {
+ $this->output( "Adding function and trigger 'page_deleted' to table 'page'\n" );
+ $this->applyPatch( 'patch-page_deleted.sql' );
+ } else {
+ $this->output( "... table 'page' has 'page_deleted' trigger\n" );
+ }
+ }
+
+ protected function checkRcCurIdNullable(){
+ $fi = $this->db->fieldInfo( 'recentchanges', 'rc_cur_id' );
+ if ( !$fi->isNullable() ) {
+ $this->output( "Removing NOT NULL constraint from 'recentchanges.rc_cur_id'\n" );
+ $this->applyPatch( 'patch-rc_cur_id-not-null.sql' );
+ } else {
+ $this->output( "... column 'recentchanges.rc_cur_id' has a NOT NULL constraint\n" );
+ }
+ }
+
+ protected function checkPagelinkUniqueIndex() {
+ $pu = $this->describeIndex( 'pagelink_unique' );
+ if ( !is_null( $pu ) && ( $pu[0] != 'pl_from' || $pu[1] != 'pl_namespace' || $pu[2] != 'pl_title' ) ) {
+ $this->output( "Dropping obsolete version of index 'pagelink_unique index'\n" );
+ $this->db->query( 'DROP INDEX pagelink_unique' );
+ $pu = null;
+ } else {
+ $this->output( "... obsolete version of index 'pagelink_unique index' does not exist\n" );
+ }
+
+ if ( is_null( $pu ) ) {
+ $this->output( "Creating index 'pagelink_unique index'\n" );
+ $this->db->query( 'CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)' );
+ } else {
+ $this->output( "... index 'pagelink_unique_index' already exists\n" );
+ }
+ }
+
+ protected function checkRevUserFkey() {
+ if ( $this->fkeyDeltype( 'revision_rev_user_fkey' ) == 'r' ) {
+ $this->output( "... constraint 'revision_rev_user_fkey' is ON DELETE RESTRICT\n" );
+ } else {
+ $this->output( "Changing constraint 'revision_rev_user_fkey' to ON DELETE RESTRICT\n" );
+ $this->applyPatch( 'patch-revision_rev_user_fkey.sql' );
+ }
+ }
+
+ protected function checkIpbAdress() {
+ if ( $this->db->indexExists( 'ipblocks', 'ipb_address' ) ) {
+ $this->output( "Removing deprecated index 'ipb_address'...\n" );
+ $this->db->query( 'DROP INDEX ipb_address' );
+ }
+ if ( $this->db->indexExists( 'ipblocks', 'ipb_address_unique' ) ) {
+ $this->output( "... have ipb_address_unique\n" );
+ } else {
+ $this->output( "Adding ipb_address_unique index\n" );
+ $this->applyPatch( 'patch-ipb_address_unique.sql' );
+ }
+ }
+
+ protected function checkIwlPrefix() {
+ if ( $this->db->indexExists( 'iwlinks', 'iwl_prefix' ) ) {
+ $this->output( "Replacing index 'iwl_prefix' with 'iwl_prefix_from_title'...\n" );
+ $this->applyPatch( 'patch-rename-iwl_prefix.sql' );
+ }
+ }
+
+ protected function tsearchFixes() {
+ # Tweak the page_title tsearch2 trigger to filter out slashes
+ # This is create or replace, so harmless to call if not needed
+ $this->applyPatch( 'patch-ts2pagetitle.sql' );
+
+ # If the server is 8.3 or higher, rewrite the tsearch2 triggers
+ # in case they have the old 'default' versions
+ # Gather version numbers in case we need them
+ if ( $this->db->getServerVersion() >= 8.3 ) {
+ $this->applyPatch( 'patch-tsearch2funcs.sql' );
+ }
+ }
+}
generated by cgit v1.2.2 (git 2.25.0) at 2024-04-19 10:51:22 +0000