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30:03
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MssqlUpdater::getCoreUpdateList()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 51
Code Lines 38

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 38
c 1
b 0
f 0
nc 1
nop 0
dl 0
loc 51
rs 9.4109

How to fix   Long Method   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

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<?php
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/**
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 * Microsoft SQL Server-specific installer.
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License along
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 * with this program; if not, write to the Free Software Foundation, Inc.,
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 * http://www.gnu.org/copyleft/gpl.html
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 *
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 * @file
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 * @ingroup Deployment
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 */
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/**
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 * Class for setting up the MediaWiki database using Microsoft SQL Server.
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 *
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 * @ingroup Deployment
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 * @since 1.23
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 */
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class MssqlUpdater extends DatabaseUpdater {
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	/**
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	 * @var DatabaseMssql
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	 */
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	protected $db;
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	protected function getCoreUpdateList() {
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		return [
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			// 1.23
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			[ 'addField', 'mwuser', 'user_password_expires', 'patch-user_password_expires.sql' ],
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			// 1.24
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			[ 'addField', 'page', 'page_lang', 'patch-page_page_lang.sql' ],
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			// 1.25
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			[ 'dropTable', 'hitcounter' ],
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			[ 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ],
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			[ 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ],
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			// scripts were updated in 1.27 due to SQL errors; retaining old updatekeys so that people
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			// updating from 1.23->1.25->1.27 do not execute these scripts twice even though the
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			// updatekeys no longer make sense as they are.
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			[ 'updateSchema', 'categorylinks', 'cl_type-category_types-ck',
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				'patch-categorylinks-constraints.sql' ],
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			[ 'updateSchema', 'filearchive', 'fa_major_mime-major_mime-ck',
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				'patch-filearchive-constraints.sql' ],
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			[ 'updateSchema', 'oldimage', 'oi_major_mime-major_mime-ck',
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				'patch-oldimage-constraints.sql' ],
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			[ 'updateSchema', 'image', 'img_major_mime-major_mime-ck', 'patch-image-constraints.sql' ],
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			[ 'updateSchema', 'uploadstash', 'us_media_type-media_type-ck',
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				'patch-uploadstash-constraints.sql' ],
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			[ 'modifyField', 'image', 'img_major_mime',
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				'patch-img_major_mime-chemical.sql' ],
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			[ 'modifyField', 'oldimage', 'oi_major_mime',
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				'patch-oi_major_mime-chemical.sql' ],
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			[ 'modifyField', 'filearchive', 'fa_major_mime',
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				'patch-fa_major_mime-chemical.sql' ],
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			// 1.27
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			[ 'dropTable', 'msg_resource_links' ],
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			[ 'dropTable', 'msg_resource' ],
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			[ 'addField', 'watchlist', 'wl_id', 'patch-watchlist-wl_id.sql' ],
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			[ 'dropField', 'mwuser', 'user_options', 'patch-drop-user_options.sql' ],
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			[ 'addTable', 'bot_passwords', 'patch-bot_passwords.sql' ],
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			[ 'addField', 'pagelinks', 'pl_from_namespace', 'patch-pl_from_namespace.sql' ],
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			[ 'addField', 'templatelinks', 'tl_from_namespace', 'patch-tl_from_namespace.sql' ],
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			[ 'addField', 'imagelinks', 'il_from_namespace', 'patch-il_from_namespace.sql' ],
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			[ 'dropIndex', 'categorylinks', 'cl_collation', 'patch-kill-cl_collation_index.sql' ],
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			[ 'addIndex', 'categorylinks', 'cl_collation_ext',
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				'patch-add-cl_collation_ext_index.sql' ],
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			[ 'dropField', 'recentchanges', 'rc_cur_time', 'patch-drop-rc_cur_time.sql' ],
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			[ 'addField', 'page_props', 'pp_sortkey', 'patch-pp_sortkey.sql' ],
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			[ 'updateSchema', 'oldimage', 'oldimage varchar', 'patch-oldimage-schema.sql' ],
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			[ 'updateSchema', 'filearchive', 'filearchive varchar', 'patch-filearchive-schema.sql' ],
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			[ 'updateSchema', 'image', 'image varchar', 'patch-image-schema.sql' ]
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		];
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	}
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	protected function applyPatch( $path, $isFullPath = false, $msg = null ) {
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		$prevScroll = $this->db->scrollableCursor( false );
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		$prevPrep = $this->db->prepareStatements( false );
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		parent::applyPatch( $path, $isFullPath, $msg );
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		$this->db->scrollableCursor( $prevScroll );
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		$this->db->prepareStatements( $prevPrep );
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	}
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	/**
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	 * General schema update for a table that touches more than one field or requires
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	 * destructive actions (such as dropping and recreating the table).
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	 *
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	 * @param string $table
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	 * @param string $updatekey
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	 * @param string $patch
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	 * @param bool $fullpath
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	 */
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	protected function updateSchema( $table, $updatekey, $patch, $fullpath = false ) {
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		if ( !$this->db->tableExists( $table, __METHOD__ ) ) {
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			$this->output( "...$table table does not exist, skipping schema update patch.\n" );
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		} elseif ( $this->updateRowExists( $updatekey ) ) {
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			$this->output( "...$table already had schema updated by $patch.\n" );
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		} else {
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			$this->insertUpdateRow( $updatekey );
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			return $this->applyPatch( $patch, $fullpath, "Updating schema of table $table" );
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		}
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		return true;
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	}
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}
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