DBConnRef.php

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<?php
class DBConnRef implements IDatabase {
    private $lb;

    private $conn;

    private $params;

    public function __construct( LoadBalancer $lb, $conn ) {
        $this->lb = $lb;
        if ( $conn instanceof DatabaseBase ) {
            $this->conn = $conn;
        } else {
            $this->params = $conn;
        }
    }

    function __call( $name, array $arguments ) {
        if ( $this->conn === null ) {
            list( $db, $groups, $wiki ) = $this->params;
            $this->conn = $this->lb->getConnection( $db, $groups, $wiki );
        }

        return call_user_func_array( [ $this->conn, $name ], $arguments );
    }

    public function getServerInfo() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function bufferResults( $buffer = null ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function trxLevel() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function trxTimestamp() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function tablePrefix( $prefix = null ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function dbSchema( $schema = null ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getLBInfo( $name = null ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function setLBInfo( $name, $value = null ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function implicitGroupby() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function implicitOrderby() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function lastQuery() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function doneWrites() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function lastDoneWrites() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function writesPending() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function writesOrCallbacksPending() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function pendingWriteQueryDuration() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function pendingWriteCallers() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function isOpen() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function setFlag( $flag ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function clearFlag( $flag ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getFlag( $flag ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getProperty( $name ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getWikiID() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getType() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function open( $server, $user, $password, $dbName ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function fetchObject( $res ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function fetchRow( $res ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function numRows( $res ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function numFields( $res ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function fieldName( $res, $n ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function insertId() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function dataSeek( $res, $row ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function lastErrno() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function lastError() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function fieldInfo( $table, $field ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function affectedRows() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getSoftwareLink() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getServerVersion() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function close() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function reportConnectionError( $error = 'Unknown error' ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function query( $sql, $fname = __METHOD__, $tempIgnore = false ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function reportQueryError( $error, $errno, $sql, $fname, $tempIgnore = false ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function freeResult( $res ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function selectField(
        $table, $var, $cond = '', $fname = __METHOD__, $options = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function selectFieldValues(
        $table, $var, $cond = '', $fname = __METHOD__, $options = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function select(
        $table, $vars, $conds = '', $fname = __METHOD__,
        $options = [], $join_conds = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function selectSQLText(
        $table, $vars, $conds = '', $fname = __METHOD__,
        $options = [], $join_conds = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function selectRow(
        $table, $vars, $conds, $fname = __METHOD__,
        $options = [], $join_conds = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function estimateRowCount(
        $table, $vars = '*', $conds = '', $fname = __METHOD__, $options = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function selectRowCount(
        $tables, $vars = '*', $conds = '', $fname = __METHOD__, $options = [], $join_conds = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function fieldExists( $table, $field, $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function indexExists( $table, $index, $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function tableExists( $table, $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function indexUnique( $table, $index ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function insert( $table, $a, $fname = __METHOD__, $options = [] ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function update( $table, $values, $conds, $fname = __METHOD__, $options = [] ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function makeList( $a, $mode = LIST_COMMA ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function makeWhereFrom2d( $data, $baseKey, $subKey ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function bitNot( $field ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function bitAnd( $fieldLeft, $fieldRight ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function bitOr( $fieldLeft, $fieldRight ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function buildConcat( $stringList ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function buildGroupConcatField(
        $delim, $table, $field, $conds = '', $join_conds = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function selectDB( $db ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getDBname() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getServer() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function addQuotes( $s ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function buildLike() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function anyChar() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function anyString() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function nextSequenceValue( $seqName ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function replace( $table, $uniqueIndexes, $rows, $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function upsert(
        $table, array $rows, array $uniqueIndexes, array $set, $fname = __METHOD__
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function deleteJoin(
        $delTable, $joinTable, $delVar, $joinVar, $conds, $fname = __METHOD__
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function delete( $table, $conds, $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function insertSelect(
        $destTable, $srcTable, $varMap, $conds,
        $fname = __METHOD__, $insertOptions = [], $selectOptions = []
    ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function unionSupportsOrderAndLimit() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function unionQueries( $sqls, $all ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function conditional( $cond, $trueVal, $falseVal ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function strreplace( $orig, $old, $new ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getServerUptime() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function wasDeadlock() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function wasLockTimeout() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function wasErrorReissuable() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function wasReadOnlyError() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function masterPosWait( DBMasterPos $pos, $timeout ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getSlavePos() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getMasterPos() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function serverIsReadOnly() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function onTransactionResolution( callable $callback ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function onTransactionIdle( callable $callback ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function onTransactionPreCommitOrIdle( callable $callback ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function startAtomic( $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function endAtomic( $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function doAtomicSection( $fname, callable $callback ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function begin( $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function commit( $fname = __METHOD__, $flush = '' ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function rollback( $fname = __METHOD__, $flush = '' ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function listTables( $prefix = null, $fname = __METHOD__ ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function timestamp( $ts = 0 ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function timestampOrNull( $ts = null ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function ping() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getLag() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getSessionLagStatus() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function maxListLen() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function encodeBlob( $b ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function decodeBlob( $b ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function setSessionOptions( array $options ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function setSchemaVars( $vars ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function lockIsFree( $lockName, $method ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function lock( $lockName, $method, $timeout = 5 ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function unlock( $lockName, $method ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getScopedLockAndFlush( $lockKey, $fname, $timeout ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function namedLocksEnqueue() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function getInfinity() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function encodeExpiry( $expiry ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function decodeExpiry( $expiry, $format = TS_MW ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function setBigSelects( $value = true ) {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    public function isReadOnly() {
        return $this->__call( __FUNCTION__, func_get_args() );
    }

    function __destruct() {
        if ( $this->conn !== null ) {
            $this->lb->reuseConnection( $this->conn );
        }
    }
}