Manual:SqliteMaintenance.php
From Linux Web Expert
<td class="mw-version-versionbox" title="<translate nowrap> The latest stable version is <tvar name=1>1.41</tvar></translate>">
<translate> ≥</translate> 1.36
<translate> MediaWiki version:</translate> |
MediaWiki file: SqliteMaintenance.php | |
---|---|
Location: | maintenance/ |
Source code: | master • 1.41.1 • 1.40.3 • 1.39.7 |
Classes: | SqliteMaintenance |
Details
SqliteMaintenance.php file is a maintenance script that performs some operations specific to SQLite database backend.
Options/Arguments
Option | Description | Required? |
---|---|---|
--vacuum | Clean up database by removing deleted pages. Decreases database file size | <translate> Optional</translate> |
--integrity | Check database for integrity | <translate> Optional</translate> |
--backup-to | Backup database to the given file | <translate> Optional</translate> |
--check-syntax | Check SQL file(s) for syntax errors | <translate> Optional</translate> |
Usage
php maintenance/SqliteMaintenance.php [ --vacuum| --integrity| --backup-to| --check-syntax ]
Checking integrity
Terminal
$ php maintenance/SqliteMaintenance.php --integrity Performing database integrity checks: ok
Vacuum Operation
Terminal
$ php maintenance/SqliteMaintenance.php --vacuum VACUUM: Database size was 46995456 bytes, now 37796864 (19.6% reduction).
Checking SQL file syntax
patch-actor-table.sql
--
-- patch-actor-table.sql
--
-- T167246. Add an `actor` table.
CREATE TABLE /*_*/actor (
actor_id bigint unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
actor_user int unsigned,
actor_name varchar(255) binary NOT NULL
) /*$wgDBTableOptions*/;
CREATE UNIQUE INDEX /*i*/actor_user ON /*_*/actor (actor_user);
CREATE UNIQUE INDEX /*i*/actor_name ON /*_*/actor (actor_name);
Terminal
$ php maintenance/SqliteMaintenance.php --check-syntax patch-actor-table.sql SQL syntax check: no errors detected.