wikimedia / mediawiki

		return $this->getServerVersion();

	}

	public function bufferResults( $buffer = null ) {

		$res = !$this->getFlag( self::DBO_NOBUFFER );

		if ( $buffer !== null ) {

			$buffer

				? $this->clearFlag( self::DBO_NOBUFFER )

				: $this->setFlag( self::DBO_NOBUFFER );

		}

		return $res;

	}

	/**

	 * Turns on (false) or off (true) the automatic generation and sending

	 * @param null|bool $ignoreErrors

	 * @return bool The previous value of the flag.

	 */

	protected function ignoreErrors( $ignoreErrors = null ) {

		$res = $this->getFlag( self::DBO_IGNORE );

		if ( $ignoreErrors !== null ) {

			$ignoreErrors

				? $this->setFlag( self::DBO_IGNORE )

				: $this->clearFlag( self::DBO_IGNORE );

		}

		return $res;

	}

	public function trxLevel() {

		return $this->mTrxLevel;