* Constructor.
* Parameters $server, $user and $password are not used.
*/
- function __construct( $server = false, $user = false, $password = false, $dbName = false, $failFunction = false, $flags = 0 ) {
- global $wgSharedDB;
- $this->mFailFunction = $failFunction;
- $this->mFlags = $flags;
+ function __construct( $server = false, $user = false, $password = false, $dbName = false, $flags = 0 ) {
$this->mName = $dbName;
-
- if ( $this->open( $server, $user, $password, $dbName ) && $wgSharedDB ) {
- $this->attachDatabase( $wgSharedDB );
+ parent::__construct( $server, $user, $password, $dbName, $flags );
+ // parent doesn't open when $user is false, but we can work with $dbName
+ if( !$user && $dbName ) {
+ global $wgSharedDB;
+ if( $this->open( $server, $user, $password, $dbName ) && $wgSharedDB ) {
+ $this->attachDatabase( $wgSharedDB );
+ }
}
}
- /**
- * Serialization handler, see http://php.net/manual/en/language.oop5.magic.php#language.oop5.magic.sleep
- * for details. Instances of this class sometimes get serialized, e.g. with Title and its BacklinkCache
- * Because attempts to serialize mConn end in "can't serialize PDO objects" exceptions, we simply disallow
- * to serialize anything in this class.
- */
- function __sleep() {
- return array();
- }
-
function getType() {
return 'sqlite';
}
*/
function implicitGroupby() { return false; }
- static function newFromParams( $server, $user, $password, $dbName, $failFunction = false, $flags = 0 ) {
- return new DatabaseSqlite( $server, $user, $password, $dbName, $failFunction, $flags );
- }
-
/** Open an SQLite database and return a resource handle to it
* NOTE: only $dbName is used, the other parameters are irrelevant for SQLite databases
*/
} catch ( PDOException $e ) {
$err = $e->getMessage();
}
- if ( $this->mConn === false ) {
+ if ( !$this->mConn ) {
wfDebug( "DB connection error: $err\n" );
- if ( !$this->mFailFunction ) {
- throw new DBConnectionError( $this, $err );
- } else {
- return false;
- }
-
+ throw new DBConnectionError( $this, $err );
}
$this->mOpened = !!$this->mConn;
# set error codes only, don't raise exceptions
function checkForEnabledSearch() {
if ( self::$fulltextEnabled === null ) {
self::$fulltextEnabled = false;
- $res = $this->query( "SELECT sql FROM sqlite_master WHERE tbl_name = 'searchindex'", __METHOD__ );
+ $table = $this->tableName( 'searchindex' );
+ $res = $this->query( "SELECT sql FROM sqlite_master WHERE tbl_name = '$table'", __METHOD__ );
if ( $res ) {
$row = $res->fetchRow();
self::$fulltextEnabled = stristr($row['sql'], 'fts' ) !== false;
* @return String
*/
function getFulltextSearchModule() {
+ static $cachedResult = null;
+ if ( $cachedResult !== null ) {
+ return $cachedResult;
+ }
+ $cachedResult = false;
$table = 'dummy_search_test';
$this->query( "DROP TABLE IF EXISTS $table", __METHOD__ );
if ( $this->query( "CREATE VIRTUAL TABLE $table USING FTS3(dummy_field)", __METHOD__, true ) ) {
$this->query( "DROP TABLE IF EXISTS $table", __METHOD__ );
- return 'FTS3';
+ $cachedResult = 'FTS3';
}
- return false;
+ return $cachedResult;
}
/**
* Use MySQL's naming (accounts for prefix etc) but remove surrounding backticks
*/
function tableName( $name ) {
+ // table names starting with sqlite_ are reserved
+ if ( strpos( $name, 'sqlite_' ) === 0 ) return $name;
return str_replace( '`', '', parent::tableName( $name ) );
}
# SQLite can't handle multi-row inserts, so divide up into multiple single-row inserts
if ( isset( $a[0] ) && is_array( $a[0] ) ) {
$ret = true;
- foreach ( $a as $k => $v ) {
+ foreach ( $a as $v ) {
if ( !parent::insert( $table, $v, "$fname/multi-row", $options ) ) {
$ret = false;
}
# SQLite can't handle multi-row replaces, so divide up into multiple single-row queries
if ( isset( $rows[0] ) && is_array( $rows[0] ) ) {
$ret = true;
- foreach ( $rows as $k => $v ) {
+ foreach ( $rows as $v ) {
if ( !parent::replace( $table, $uniqueIndexes, $v, "$fname/multi-row" ) ) {
$ret = false;
}
* In SQLite this is SQLITE_MAX_LENGTH, by default 1GB. No way to query it though.
*/
function textFieldSize( $table, $field ) {
- return - 1;
+ return -1;
}
function unionSupportsOrderAndLimit() {
return $ver;
}
+ /**
+ * @return string User-friendly database information
+ */
+ public function getServerInfo() {
+ return wfMsg( $this->getFulltextSearchModule() ? 'sqlite-has-fts' : 'sqlite-no-fts', $this->getServerVersion() );
+ }
+
/**
* Get information about a given field
* Returns false if the field does not exist.
}
}
- function quote_ident( $s ) {
- return $s;
- }
-
function buildLike() {
$params = func_get_args();
if ( count( $params ) > 0 && is_array( $params[0] ) ) {
return parent::buildLike( $params ) . "ESCAPE '\' ";
}
- /**
- * Called by the installer script (when modified according to the MediaWikiLite installation instructions)
- * - this is the same way PostgreSQL works, MySQL reads in tables.sql and interwiki.sql using dbsource (which calls db->sourceFile)
- */
- public function setup_database() {
- global $IP;
-
- # Process common MySQL/SQLite table definitions
- $err = $this->sourceFile( "$IP/maintenance/tables.sql" );
- if ( $err !== true ) {
- echo " <b>FAILED</b></li>";
- dieout( htmlspecialchars( $err ) );
- }
- echo " done.</li>";
-
- # Use DatabasePostgres's code to populate interwiki from MySQL template
- $f = fopen( "$IP/maintenance/interwiki.sql", 'r' );
- if ( !$f ) {
- dieout( "Could not find the interwiki.sql file." );
- }
-
- $sql = "INSERT INTO interwiki(iw_prefix,iw_url,iw_local,iw_api,iw_wikiid) VALUES ";
- while ( !feof( $f ) ) {
- $line = fgets( $f, 1024 );
- $matches = array();
- if ( !preg_match( '/^\s*(\(.+?),(\d)\)/', $line, $matches ) ) continue;
- $this->query( "$sql $matches[1],$matches[2],'','')" );
- }
- }
-
public function getSearchEngine() {
return "SearchSqlite";
}
// no such thing as unsigned
$s = preg_replace( '/\b(un)?signed\b/i', '', $s );
// INT -> INTEGER
- $s = preg_replace( '/\b(tiny|small|medium|big|)int(\s*\([\s\d]*\)|\b)/i', 'INTEGER', $s );
+ $s = preg_replace( '/\b(tiny|small|medium|big|)int(\s*\(\s*\d+\s*\)|\b)/i', 'INTEGER', $s );
+ // floating point types -> REAL
+ $s = preg_replace( '/\b(float|double(\s+precision)?)(\s*\(\s*\d+\s*(,\s*\d+\s*)?\)|\b)/i', 'REAL', $s );
// varchar -> TEXT
$s = preg_replace( '/\b(var)?char\s*\(.*?\)/i', 'TEXT', $s );
// TEXT normalization
}
function duplicateTableStructure( $oldName, $newName, $temporary = false, $fname = 'DatabaseSqlite::duplicateTableStructure' ) {
+
$res = $this->query( "SELECT sql FROM sqlite_master WHERE tbl_name='$oldName' AND type='table'", $fname );
$obj = $this->fetchObject( $res );
if ( !$obj ) {
}
$sql = $obj->sql;
$sql = preg_replace( '/\b' . preg_quote( $oldName ) . '\b/', $newName, $sql, 1 );
+ if ( $temporary ) {
+ if ( preg_match( '/^\\s*CREATE\\s+VIRTUAL\\s+TABLE\b/i', $sql ) ) {
+ wfDebug( "Table $oldName is virtual, can't create a temporary duplicate.\n" );
+ } else {
+ $sql = str_replace( 'CREATE TABLE', 'CREATE TEMPORARY TABLE', $sql );
+ }
+ }
return $this->query( $sql, $fname );
}
+
+
+ /**
+ * List all tables on the database
+ *
+ * @param $prefix Only show tables with this prefix, e.g. mw_
+ * @param $fname String: calling function name
+ */
+ function listTables( $prefix = null, $fname = 'DatabaseSqlite::listTables' ) {
+ $result = $this->select(
+ 'sqlite_master',
+ 'name',
+ "type='table'"
+ );
+
+ $endArray = array();
+
+ foreach( $result as $table ) {
+ $vars = get_object_vars($table);
+ $table = array_pop( $vars );
+
+ if( !$prefix || strpos( $table, $prefix ) === 0 ) {
+ if ( strpos( $table, 'sqlite_' ) !== 0 ) {
+ $endArray[] = $table;
+ }
+
+ }
+ }
+
+ return $endArray;
+ }
} // end DatabaseSqlite class
/**
* @ingroup Database
*/
-class SQLiteField {
+class SQLiteField implements Field {
private $info, $tableName;
function __construct( $info, $tableName ) {
$this->info = $info;
return $this->info->dflt_value;
}
- function maxLength() {
- return -1;
+ function isNullable() {
+ return !$this->info->notnull;
}
- function nullable() {
- // SQLite dynamic types are always nullable
- return true;
- }
-
- # isKey(), isMultipleKey() not implemented, MySQL-specific concept.
- # Suggest removal from base class [TS]
-
function type() {
return $this->info->type;
}
dépôts / lhc / web / wiklou.git / blobdiff