2012-04-10 14:06:34 -04:00
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<?php
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/**
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* Query
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*
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* Free Query Builder / Database Abstraction Layer
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*
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2012-04-20 13:17:39 -04:00
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* @package Query
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* @author Timothy J. Warren
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2014-01-02 12:36:50 -05:00
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* @copyright Copyright (c) 2012 - 2014
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2012-04-10 14:06:34 -04:00
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* @link https://github.com/aviat4ion/Query
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2012-04-20 13:17:39 -04:00
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* @license http://philsturgeon.co.uk/code/dbad-license
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2012-04-10 14:06:34 -04:00
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*/
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// --------------------------------------------------------------------------
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2014-04-02 17:08:50 -04:00
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namespace Query\Driver;
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2012-04-10 14:06:34 -04:00
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/**
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* Firebird Database class
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*
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* PDO-firebird isn't stable, so this is a wrapper of the fbird_ public functions.
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2012-04-20 13:17:39 -04:00
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*
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* @package Query
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* @subpackage Drivers
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2012-04-10 14:06:34 -04:00
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*/
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2014-03-26 20:49:33 -04:00
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class Firebird extends Abstract_Driver {
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2012-04-10 14:06:34 -04:00
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2012-04-19 11:42:50 -04:00
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/**
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* Reference to the last query executed
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2012-04-20 16:33:40 -04:00
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*
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* @var object
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2012-04-19 11:42:50 -04:00
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*/
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2014-03-17 19:34:48 -04:00
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protected $statement = NULL;
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2014-03-26 20:49:33 -04:00
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2012-04-19 11:42:50 -04:00
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/**
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* Reference to the resource returned by
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* the last query executed
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2012-04-20 16:33:40 -04:00
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*
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* @var resource
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2012-04-19 11:42:50 -04:00
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*/
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2014-03-26 20:49:33 -04:00
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protected $statement_link = NULL;
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2012-04-19 11:42:50 -04:00
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/**
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* Reference to the current transaction
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2012-04-20 16:33:40 -04:00
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*
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* @var resource
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2012-04-19 11:42:50 -04:00
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*/
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2014-03-26 20:49:33 -04:00
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protected $trans = NULL;
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2012-04-19 11:42:50 -04:00
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/**
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* Reference to the connection resource
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2012-04-20 16:33:40 -04:00
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*
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* @var resource
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2012-04-19 11:42:50 -04:00
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*/
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2014-03-17 19:34:48 -04:00
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protected $conn = NULL;
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2012-04-10 14:06:34 -04:00
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/**
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* Open the link to the database
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*
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2012-04-19 11:42:50 -04:00
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* @param string $dbpath
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2012-04-10 14:06:34 -04:00
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* @param string $user
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* @param string $pass
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2014-02-18 14:50:20 -05:00
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* @param array $options
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2012-04-10 14:06:34 -04:00
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*/
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2014-03-26 20:49:33 -04:00
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public function __construct($dbpath, $user='SYSDBA', $pass='masterkey', array $options = array())
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2012-04-10 14:06:34 -04:00
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{
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2014-04-02 10:31:59 -04:00
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2014-04-02 17:08:50 -04:00
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$connect_function = (isset($options[\PDO::ATTR_PERSISTENT]) && $options[\PDO::ATTR_PERSISTENT] == TRUE)
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? '\\fbird_pconnect'
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: '\\fbird_connect';
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2014-04-02 10:31:59 -04:00
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$this->conn = $connect_function($dbpath, $user, $pass, 'utf-8', 0);
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2012-04-10 14:06:34 -04:00
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// Throw an exception to make this match other pdo classes
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2014-04-02 17:08:50 -04:00
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if ( ! \is_resource($this->conn)) throw new \PDOException(\fbird_errmsg(), \fbird_errcode(), NULL);
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2014-03-26 20:49:33 -04:00
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2012-04-18 15:53:06 -04:00
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// Load these classes here because this
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// driver does not call the constructor
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2014-03-26 20:49:33 -04:00
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// of DB_PDO, which defines these two
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2012-04-18 15:53:06 -04:00
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// class variables for the other drivers
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2014-03-26 20:49:33 -04:00
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2014-04-02 15:11:46 -04:00
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// Load the sql class
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$class = __CLASS__."_sql";
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$this->sql = new $class();
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// Load the util class
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$class = __CLASS__."_util";
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$this->util = new $class($this);
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2012-04-10 14:06:34 -04:00
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}
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// --------------------------------------------------------------------------
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/**
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* Empty a database table
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*
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* @param string $table
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*/
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public function truncate($table)
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{
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2012-11-07 08:42:34 -05:00
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// Firebird lacks a truncate command
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2012-04-10 14:06:34 -04:00
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$sql = 'DELETE FROM "'.$table.'"';
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$this->statement = $this->query($sql);
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}
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// --------------------------------------------------------------------------
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2014-03-26 20:49:33 -04:00
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/**
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* Execute an sql statement and return number of affected rows
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*
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* @param string $sql
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* @return int
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*/
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public function exec($sql)
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{
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2014-03-31 16:01:58 -04:00
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return NULL;
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2014-03-26 20:49:33 -04:00
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}
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// --------------------------------------------------------------------------
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/**
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* Implement for compatibility with PDO
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*
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* @param int $attribute
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* @return mixed
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*/
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public function getAttribute($attribute)
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{
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return NULL;
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}
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// --------------------------------------------------------------------------
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/**
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* Return whether the current statement is in a transaction
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*
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* @return bool
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*/
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public function inTransaction()
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{
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return ! is_null($this->trans);
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}
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// --------------------------------------------------------------------------
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/**
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* Returns the last value of the specified generator
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*
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* @param string $name
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* @return mixed
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*/
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public function lastInsertId($name = NULL)
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{
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2014-04-02 17:08:50 -04:00
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return \fbird_gen_id($name, 0, $this->conn);
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2014-03-26 20:49:33 -04:00
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}
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// --------------------------------------------------------------------------
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2012-04-10 14:06:34 -04:00
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/**
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* Wrapper public function to better match PDO
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*
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* @param string $sql
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2014-03-17 19:35:25 -04:00
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* @return Firebird_Result
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2014-02-10 13:35:57 -05:00
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* @throws PDOException
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2012-04-10 14:06:34 -04:00
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*/
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2014-03-26 20:49:33 -04:00
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public function query($sql = '')
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2012-04-10 14:06:34 -04:00
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{
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2014-03-26 20:49:33 -04:00
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2014-04-02 17:08:50 -04:00
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if (empty($sql)) throw new \PDOException("Query method requires an sql query!", 0, NULL);
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2014-03-26 20:49:33 -04:00
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2012-04-10 14:06:34 -04:00
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$this->statement_link = (isset($this->trans))
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2014-04-02 17:08:50 -04:00
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? \fbird_query($this->trans, $sql)
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: \fbird_query($this->conn, $sql);
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2012-04-10 14:06:34 -04:00
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// Throw the error as a exception
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2014-04-02 17:08:50 -04:00
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$err_string = \fbird_errmsg() . "Last query:" . $this->last_query;
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if ($this->statement_link === FALSE) throw new \PDOException($err_string, \fbird_errcode(), NULL);
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2014-03-26 20:49:33 -04:00
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2012-04-20 16:33:40 -04:00
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$this->statement = new FireBird_Result($this->statement_link);
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2012-04-10 14:06:34 -04:00
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2012-04-20 16:33:40 -04:00
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return $this->statement;
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2012-04-10 14:06:34 -04:00
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}
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// --------------------------------------------------------------------------
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/**
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* Emulate PDO prepare
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*
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* @param string $query
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2012-04-19 11:42:50 -04:00
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* @param array $options
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2014-03-17 19:35:25 -04:00
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* @return Firebird_Result
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2014-02-10 13:35:57 -05:00
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* @throws PDOException
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2012-04-10 14:06:34 -04:00
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*/
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2014-03-26 20:49:33 -04:00
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public function prepare($query, $options=array())
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2012-04-10 14:06:34 -04:00
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{
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2014-04-02 17:08:50 -04:00
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$this->statement_link = \fbird_prepare($this->conn, $query);
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2012-04-10 14:06:34 -04:00
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// Throw the error as an exception
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2014-04-02 17:08:50 -04:00
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if ($this->statement_link === FALSE) throw new \PDOException(\fbird_errmsg(), \fbird_errcode(), NULL);
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2012-04-10 14:06:34 -04:00
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2012-04-20 16:33:40 -04:00
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$this->statement = new FireBird_Result($this->statement_link);
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2012-04-10 14:06:34 -04:00
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2012-04-20 16:33:40 -04:00
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return $this->statement;
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2012-04-10 14:06:34 -04:00
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}
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// --------------------------------------------------------------------------
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/**
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* Start a database transaction
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*
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2014-03-17 19:35:25 -04:00
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* @return boolean|null
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2012-04-10 14:06:34 -04:00
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*/
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public function beginTransaction()
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{
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2014-04-02 17:08:50 -04:00
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return (($this->trans = \fbird_trans($this->conn)) !== NULL) ? TRUE : NULL;
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2012-04-10 14:06:34 -04:00
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}
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// --------------------------------------------------------------------------
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/**
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* Commit a database transaction
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*
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* @return bool
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*/
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public function commit()
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{
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2014-04-02 17:08:50 -04:00
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$res = \fbird_commit($this->trans);
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2014-03-26 20:49:33 -04:00
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$this->trans = NULL;
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return $res;
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2012-04-10 14:06:34 -04:00
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}
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// --------------------------------------------------------------------------
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/**
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* Rollback a transaction
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*
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* @return bool
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*/
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public function rollBack()
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{
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2014-04-02 17:08:50 -04:00
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$res = \fbird_rollback($this->trans);
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2014-03-26 20:49:33 -04:00
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$this->trans = NULL;
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return $res;
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}
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// --------------------------------------------------------------------------
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/**
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* Set a connection attribute
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* @param int $attribute
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* @param mixed $value
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* @return bool
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*/
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public function setAttribute($attribute, $value)
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{
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return FALSE;
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2012-04-10 14:06:34 -04:00
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}
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// --------------------------------------------------------------------------
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/**
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* Prepare and execute a query
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*
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* @param string $sql
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* @param array $args
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2014-03-17 19:35:25 -04:00
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* @return Firebird_Result
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2012-04-10 14:06:34 -04:00
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*/
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public function prepare_execute($sql, $args)
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{
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$query = $this->prepare($sql);
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// Set the statement in the class variable for easy later access
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2014-03-26 20:49:33 -04:00
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$this->statement_link =& $query;
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2012-04-10 14:06:34 -04:00
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return $query->execute($args);
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}
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// --------------------------------------------------------------------------
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/**
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* Method to emulate PDO->quote
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*
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* @param string $str
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2012-04-19 11:42:50 -04:00
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* @param int $param_type
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2012-04-10 14:06:34 -04:00
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* @return string
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*/
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2014-04-02 17:08:50 -04:00
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public function quote($str, $param_type = \PDO::PARAM_STR)
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2012-04-10 14:06:34 -04:00
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{
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if(is_numeric($str))
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{
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return $str;
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}
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return "'".str_replace("'", "''", $str)."'";
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}
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// --------------------------------------------------------------------------
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/**
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* Method to emulate PDO->errorInfo / PDOStatement->errorInfo
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*
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* @return array
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*/
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public function errorInfo()
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{
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$code = \fbird_errcode();
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$msg = \fbird_errmsg();
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2012-04-10 14:06:34 -04:00
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return array(0, $code, $msg);
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}
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2014-03-26 20:49:33 -04:00
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2012-04-18 11:42:19 -04:00
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// --------------------------------------------------------------------------
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2014-03-26 20:49:33 -04:00
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2012-04-18 11:42:19 -04:00
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/**
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2014-03-26 20:49:33 -04:00
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* Method to emulate PDO->errorCode
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2012-04-18 11:42:19 -04:00
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*
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* @return array
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*/
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public function errorCode()
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{
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return fbird_errcode();
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}
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2012-04-10 14:06:34 -04:00
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// --------------------------------------------------------------------------
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/**
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* Bind a prepared query with arguments for executing
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*
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2012-04-19 11:42:50 -04:00
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* @param string $sql
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* @param array $params
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2013-05-01 15:59:23 -04:00
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* @return NULL
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2012-04-10 14:06:34 -04:00
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*/
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public function prepare_query($sql, $params)
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{
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// You can't bind query statements before execution with
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// the firebird database
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2013-05-01 15:59:23 -04:00
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return NULL;
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2012-04-10 14:06:34 -04:00
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}
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2014-03-26 20:49:33 -04:00
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2013-05-03 13:07:34 -04:00
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// --------------------------------------------------------------------------
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2014-03-26 20:49:33 -04:00
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/**
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2013-05-03 13:07:34 -04:00
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* Create sql for batch insert
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*
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* @param string $table
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* @param array $data
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2014-04-03 13:28:30 -04:00
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* @return array
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2013-05-03 13:07:34 -04:00
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*/
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public function insert_batch($table, $data=array())
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{
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2014-04-03 13:28:30 -04:00
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// Each member of the data array needs to be an array
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if ( ! is_array(current($data))) return NULL;
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// Start the block of sql statements
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$sql = "EXECUTE BLOCK AS BEGIN\n";
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$vals = array(); // Values for insertion
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$table = $this->quote_table($table);
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$fields = array_keys(current($data));
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$insert_template = "INSERT INTO {$table} ("
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. implode(',', $this->quote_ident($fields))
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. ") VALUES (";
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foreach($data as $item)
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{
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// Quote string values
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$vals = array_map(array($this, 'quote'), $item);
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// Add the values in the sql
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$sql .= $insert_template . implode(', ', $vals) . ");\n";
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}
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// End the block of SQL statements
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$sql .= "END";
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// Ruturn a null array value so the query is run as it is,
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// not as a prepared statement, because a prepared statement
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// doesn't work for this type of query in Firebird.
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return array($sql, NULL);
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2013-05-03 13:07:34 -04:00
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}
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2012-04-10 14:06:34 -04:00
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}
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2014-02-10 13:35:57 -05:00
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// End of firebird_driver.php
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