<?php
+/**
+ * Helper class for sqlite-specific scripts
+ *
+ * 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 Maintenance
+ */
+
+use Wikimedia\Rdbms\DatabaseSqlite;
+use Wikimedia\Rdbms\DBError;
/**
* This class contains code common to different SQLite-related maintenance scripts
+ *
+ * @ingroup Maintenance
*/
class Sqlite {
* @return bool
*/
public static function isPresent() {
- wfSuppressWarnings();
- $compiled = wfDl( 'pdo_sqlite' );
- wfRestoreWarnings();
- return $compiled;
+ return extension_loaded( 'pdo_sqlite' );
}
/**
* Checks given files for correctness of SQL syntax. MySQL DDL will be converted to
* SQLite-compatible during processing.
* Will throw exceptions on SQL errors
- * @return mixed true if no error or error string in case of errors
+ * @param array|string $files
+ * @throws MWException
+ * @return bool True if no error or error string in case of errors
*/
public static function checkSqlSyntax( $files ) {
- if ( !Sqlite::isPresent() ) {
+ if ( !self::isPresent() ) {
throw new MWException( "Can't check SQL syntax: SQLite not found" );
}
if ( !is_array( $files ) ) {
- $files = array( $files );
+ $files = [ $files ];
}
- $allowedTypes = array_flip( array(
+ $allowedTypes = array_flip( [
'integer',
'real',
'text',
'blob', // NULL type is omitted intentionally
- ) );
+ ] );
- $db = new DatabaseSqliteStandalone( ':memory:' );
+ $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
try {
foreach ( $files as $file ) {
$err = $db->sourceFile( $file );
$tables = $db->query( "SELECT name FROM sqlite_master WHERE type='table'", __METHOD__ );
foreach ( $tables as $table ) {
- if ( strpos( $table->name, 'sqlite_' ) === 0 ) continue;
+ if ( strpos( $table->name, 'sqlite_' ) === 0 ) {
+ continue;
+ }
$columns = $db->query( "PRAGMA table_info({$table->name})", __METHOD__ );
foreach ( $columns as $col ) {
if ( !isset( $allowedTypes[strtolower( $col->type )] ) ) {
$db->close();
+
return "Table {$table->name} has column {$col->name} with non-native type '{$col->type}'";
}
}
return $e->getMessage();
}
$db->close();
+
return true;
}
- };
\ No newline at end of file
+}