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113 lines
2.5 KiB
PHP
Executable File
113 lines
2.5 KiB
PHP
Executable File
<?php
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/**
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* DataTables PHP libraries.
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*
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* PHP libraries for DataTables and DataTables Editor, utilising PHP 5.3+.
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*
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* @author SpryMedia
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* @copyright 2012 SpryMedia ( http://sprymedia.co.uk )
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* @license http://editor.datatables.net/license DataTables Editor
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* @link http://editor.datatables.net
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*/
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namespace DataTables\Database\Driver;
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if (!defined('DATATABLES')) exit();
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use PDO;
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use DataTables\Database\Query;
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use DataTables\Database\Driver\SqliteResult;
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/**
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* SQLite3 driver for DataTables Database Query class
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* @internal
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*/
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class SqliteQuery extends Query {
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Private properties
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*/
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private $_stmt;
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protected $_identifier_limiter = null;
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Public methods
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*/
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static function connect( $user, $pass='', $host='', $port='', $db='', $dsn='' )
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{
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if ( is_array( $user ) ) {
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$opts = $user;
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$user = $opts['user'];
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$pass = $opts['pass'];
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$db = $opts['db'];
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$dsn = isset( $opts['dsn'] ) ? $opts['dsn'] : '';
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$pdoAttr = isset( $opts['pdoAttr'] ) ? $opts['pdoAttr'] : array();
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}
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try {
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$pdoAttr[ PDO::ATTR_ERRMODE ] = PDO::ERRMODE_EXCEPTION;
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$pdo = @new PDO(
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"sqlite:{$db}".self::dsnPostfix( $dsn ),
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$user,
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$pass,
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$pdoAttr
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);
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} catch (\PDOException $e) {
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// If we can't establish a DB connection then we return a DataTables
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// error.
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echo json_encode( array(
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"error" => "An error occurred while connecting to the database ".
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"'{$db}'. The error reported by the server was: ".$e->getMessage()
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) );
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exit(0);
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}
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return $pdo;
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}
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Protected methods
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*/
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protected function _prepare( $sql )
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{
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$this->database()->debugInfo( $sql, $this->_bindings );
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$resource = $this->database()->resource();
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$this->_stmt = $resource->prepare( $sql );
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// bind values
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for ( $i=0 ; $i<count($this->_bindings) ; $i++ ) {
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$binding = $this->_bindings[$i];
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$this->_stmt->bindValue(
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$binding['name'],
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$binding['value'],
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$binding['type'] ? $binding['type'] : \PDO::PARAM_STR
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);
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}
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}
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protected function _exec()
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{
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try {
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$this->_stmt->execute();
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}
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catch (PDOException $e) {
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throw new \Exception( "An SQL error occurred: ".$e->getMessage() );
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error_log( "An SQL error occurred: ".$e->getMessage() );
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return false;
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}
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$resource = $this->database()->resource();
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return new SqliteResult( $resource, $this->_stmt );
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}
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}
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