vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Connection.php

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<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\DBAL\Driver;

/**
 * Connection interface.
 * Driver connections must implement this interface.
 *
 * This resembles (a subset of) the PDO interface.
 *
 * @since 2.0
 */
interface Connection
{
    /**
     * Prepares a statement for execution and returns a Statement object.
     *
     * @param string $prepareString
     *
     * @return \Doctrine\DBAL\Driver\Statement
     */
    function prepare($prepareString);

    /**
     * Executes an SQL statement, returning a result set as a Statement object.
     *
     * @return \Doctrine\DBAL\Driver\Statement
     */
    function query();

    /**
     * Quotes a string for use in a query.
     *
     * @param string  $input
     * @param integer $type
     *
     * @return string
     */
    function quote($input, $type=\PDO::PARAM_STR);

    /**
     * Executes an SQL statement and return the number of affected rows.
     *