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-rw-r--r--includes/installer/OracleUpdater.php289
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diff --git a/includes/installer/OracleUpdater.php b/includes/installer/OracleUpdater.php
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--- a/includes/installer/OracleUpdater.php
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-<?php
-/**
- * Oracle-specific updater.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- * @ingroup Deployment
- */
-
-/**
- * Class for handling updates to Oracle databases.
- *
- * @ingroup Deployment
- * @since 1.17
- */
-class OracleUpdater extends DatabaseUpdater {
-
- /**
- * Handle to the database subclass
- *
- * @var DatabaseOracle
- */
- protected $db;
-
- protected function getCoreUpdateList() {
- return array(
- array( 'disableContentHandlerUseDB' ),
-
- // 1.17
- array( 'doNamespaceDefaults' ),
- array( 'doFKRenameDeferr' ),
- array( 'doFunctions17' ),
- array( 'doSchemaUpgrade17' ),
- array( 'doInsertPage0' ),
- array( 'doRemoveNotNullEmptyDefaults' ),
- array( 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ),
-
- // 1.18
- array( 'addIndex', 'user', 'i02', 'patch-user_email_index.sql' ),
- array( 'modifyField', 'user_properties', 'up_property', 'patch-up_property.sql' ),
- array( 'addTable', 'uploadstash', 'patch-uploadstash.sql' ),
- array( 'doRecentchangesFK2Cascade' ),
-
- // 1.19
- array( 'addIndex', 'logging', 'i05', 'patch-logging_type_action_index.sql' ),
- array( 'addField', 'revision', 'rev_sha1', 'patch-rev_sha1_field.sql' ),
- array( 'addField', 'archive', 'ar_sha1', 'patch-ar_sha1_field.sql' ),
- array( 'doRemoveNotNullEmptyDefaults2' ),
- array( 'addIndex', 'page', 'i03', 'patch-page_redirect_namespace_len.sql' ),
- array( 'addField', 'uploadstash', 'us_chunk_inx', 'patch-us_chunk_inx_field.sql' ),
- array( 'addField', 'job', 'job_timestamp', 'patch-job_timestamp_field.sql' ),
- array( 'addIndex', 'job', 'i02', 'patch-job_timestamp_index.sql' ),
- array( 'doPageRestrictionsPKUKFix' ),
-
- // 1.20
- array( 'addIndex', 'ipblocks', 'i05', 'patch-ipblocks_i05_index.sql' ),
- array( 'addIndex', 'revision', 'i05', 'patch-revision_i05_index.sql' ),
- array( 'dropField', 'category', 'cat_hidden', 'patch-cat_hidden.sql' ),
-
- // 1.21
- array( 'addField', 'revision', 'rev_content_format',
- 'patch-revision-rev_content_format.sql' ),
- array( 'addField', 'revision', 'rev_content_model',
- 'patch-revision-rev_content_model.sql' ),
- array( 'addField', 'archive', 'ar_content_format', 'patch-archive-ar_content_format.sql' ),
- array( 'addField', 'archive', 'ar_content_model', 'patch-archive-ar_content_model.sql' ),
- array( 'addField', 'archive', 'ar_id', 'patch-archive-ar_id.sql' ),
- array( 'addField', 'externallinks', 'el_id', 'patch-externallinks-el_id.sql' ),
- array( 'addField', 'page', 'page_content_model', 'patch-page-page_content_model.sql' ),
- array( 'enableContentHandlerUseDB' ),
- array( 'dropField', 'site_stats', 'ss_admins', 'patch-ss_admins.sql' ),
- array( 'dropField', 'recentchanges', 'rc_moved_to_title', 'patch-rc_moved.sql' ),
- array( 'addTable', 'sites', 'patch-sites.sql' ),
- array( 'addField', 'filearchive', 'fa_sha1', 'patch-fa_sha1.sql' ),
- array( 'addField', 'job', 'job_token', 'patch-job_token.sql' ),
- array( 'addField', 'job', 'job_attempts', 'patch-job_attempts.sql' ),
- array( 'addField', 'uploadstash', 'us_props', 'patch-uploadstash-us_props.sql' ),
- array( 'modifyField', 'user_groups', 'ug_group', 'patch-ug_group-length-increase-255.sql' ),
- array( 'modifyField', 'user_former_groups', 'ufg_group',
- 'patch-ufg_group-length-increase-255.sql' ),
-
- // 1.23
- array( 'addIndex', 'logging', 'i06', 'patch-logging_user_text_type_time_index.sql' ),
- array( 'addIndex', 'logging', 'i07', 'patch-logging_user_text_time_index.sql' ),
- array( 'addField', 'user', 'user_password_expires', 'patch-user_password_expire.sql' ),
- array( 'addField', 'page', 'page_links_updated', 'patch-page_links_updated.sql' ),
- array( 'addField', 'recentchanges', 'rc_source', 'patch-rc_source.sql' ),
-
- // 1.24
- array( 'addField', 'page', 'page_lang', 'patch-page-page_lang.sql' ),
-
- // 1.25
- array( 'dropTable', 'hitcounter' ),
- array( 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ),
- array( 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ),
-
- // KEEP THIS AT THE BOTTOM!!
- array( 'doRebuildDuplicateFunction' ),
-
- );
- }
-
- /**
- * MySQL uses datatype defaults for NULL inserted into NOT NULL fields
- * In namespace case that results into insert of 0 which is default namespace
- * Oracle inserts NULL, so namespace fields should have a default value
- */
- protected function doNamespaceDefaults() {
- $meta = $this->db->fieldInfo( 'page', 'page_namespace' );
- if ( $meta->defaultValue() != null ) {
- return;
- }
-
- $this->applyPatch(
- 'patch_namespace_defaults.sql',
- false,
- 'Altering namespace fields with default value'
- );
- }
-
- /**
- * Uniform FK names + deferrable state
- */
- protected function doFKRenameDeferr() {
- $meta = $this->db->query( '
- SELECT COUNT(*) cnt
- FROM user_constraints
- WHERE constraint_type = \'R\' AND deferrable = \'DEFERRABLE\''
- );
- $row = $meta->fetchRow();
- if ( $row && $row['cnt'] > 0 ) {
- return;
- }
-
- $this->applyPatch( 'patch_fk_rename_deferred.sql', false, "Altering foreign keys ... " );
- }
-
- /**
- * Recreate functions to 17 schema layout
- */
- protected function doFunctions17() {
- $this->applyPatch( 'patch_create_17_functions.sql', false, "Recreating functions" );
- }
-
- /**
- * Schema upgrade 16->17
- * there are no incremental patches prior to this
- */
- protected function doSchemaUpgrade17() {
- // check if iwlinks table exists which was added in 1.17
- if ( $this->db->tableExists( 'iwlinks' ) ) {
- return;
- }
- $this->applyPatch( 'patch_16_17_schema_changes.sql', false, "Updating schema to 17" );
- }
-
- /**
- * Insert page (page_id = 0) to prevent FK constraint violation
- */
- protected function doInsertPage0() {
- $this->output( "Inserting page 0 if missing ... " );
- $row = array(
- 'page_id' => 0,
- 'page_namespace' => 0,
- 'page_title' => ' ',
- 'page_is_redirect' => 0,
- 'page_is_new' => 0,
- 'page_random' => 0,
- 'page_touched' => $this->db->timestamp(),
- 'page_latest' => 0,
- 'page_len' => 0
- );
- $this->db->insert( 'page', $row, 'OracleUpdater:doInserPage0', array( 'IGNORE' ) );
- $this->output( "ok\n" );
- }
-
- /**
- * Remove DEFAULT '' NOT NULL constraints from fields as '' is internally
- * converted to NULL in Oracle
- */
- protected function doRemoveNotNullEmptyDefaults() {
- $meta = $this->db->fieldInfo( 'categorylinks', 'cl_sortkey_prefix' );
- if ( $meta->isNullable() ) {
- return;
- }
- $this->applyPatch(
- 'patch_remove_not_null_empty_defs.sql',
- false,
- 'Removing not null empty constraints'
- );
- }
-
- protected function doRemoveNotNullEmptyDefaults2() {
- $meta = $this->db->fieldInfo( 'ipblocks', 'ipb_by_text' );
- if ( $meta->isNullable() ) {
- return;
- }
- $this->applyPatch(
- 'patch_remove_not_null_empty_defs2.sql',
- false,
- 'Removing not null empty constraints'
- );
- }
-
- /**
- * Removed forcing of invalid state on recentchanges_fk2.
- * cascading taken in account in the deleting function
- */
- protected function doRecentchangesFK2Cascade() {
- $meta = $this->db->query( 'SELECT 1 FROM all_constraints WHERE owner = \'' .
- strtoupper( $this->db->getDBname() ) .
- '\' AND constraint_name = \'' .
- $this->db->tablePrefix() .
- 'RECENTCHANGES_FK2\' AND delete_rule = \'CASCADE\''
- );
- $row = $meta->fetchRow();
- if ( $row ) {
- return;
- }
-
- $this->applyPatch( 'patch_recentchanges_fk2_cascade.sql', false, "Altering RECENTCHANGES_FK2" );
- }
-
- /**
- * Fixed wrong PK, UK definition
- */
- protected function doPageRestrictionsPKUKFix() {
- $this->output( "Altering PAGE_RESTRICTIONS keys ... " );
-
- $meta = $this->db->query( 'SELECT column_name FROM all_cons_columns WHERE owner = \'' .
- strtoupper( $this->db->getDBname() ) .
- '\' AND constraint_name = \'' .
- $this->db->tablePrefix() .
- 'PAGE_RESTRICTIONS_PK\' AND rownum = 1'
- );
- $row = $meta->fetchRow();
- if ( $row['column_name'] == 'PR_ID' ) {
- $this->output( "seems to be up to date.\n" );
-
- return;
- }
-
- $this->applyPatch( 'patch-page_restrictions_pkuk_fix.sql', false );
- $this->output( "ok\n" );
- }
-
- /**
- * rebuilding of the function that duplicates tables for tests
- */
- protected function doRebuildDuplicateFunction() {
- $this->applyPatch( 'patch_rebuild_dupfunc.sql', false, "Rebuilding duplicate function" );
- }
-
- /**
- * Overload: after this action field info table has to be rebuilt
- *
- * @param array $what
- */
- public function doUpdates( $what = array( 'core', 'extensions', 'purge', 'stats' ) ) {
- parent::doUpdates( $what );
-
- $this->db->query( 'BEGIN fill_wiki_info; END;' );
- }
-
- /**
- * Overload: because of the DDL_MODE tablename escaping is a bit dodgy
- */
- public function purgeCache() {
- # We can't guarantee that the user will be able to use TRUNCATE,
- # but we know that DELETE is available to us
- $this->output( "Purging caches..." );
- $this->db->delete( '/*Q*/' . $this->db->tableName( 'objectcache' ), '*', __METHOD__ );
- $this->output( "done.\n" );
- }
-}