290 lines
6.1 KiB
PHP
290 lines
6.1 KiB
PHP
<?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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* @package Query
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2012 - 2013
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* @link https://github.com/aviat4ion/Query
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* @license http://philsturgeon.co.uk/code/dbad-license
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*/
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// --------------------------------------------------------------------------
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/**
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* Firebird result class to emulate PDOStatement Class - only implements
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* data-fetching methods
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*
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* @package Query
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* @subpackage Drivers
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*/
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class Firebird_Result extends PDOStatement {
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/**
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* Reference to fbird resource
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*
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* @var resource
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*/
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private $statement;
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/**
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* Current row in result array
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*
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* @var int
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*/
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private $row;
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/**
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* Data pulled from query
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*
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* @param mixed
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*/
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private $result = array();
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/**
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* Create the object by passing the resource for
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* the query
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*
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* @param resource $link
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*/
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public function __construct($link)
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{
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$this->statement = $link;
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$this->setFetchMode(PDO::FETCH_ASSOC);
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$this->row = -1;
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$this->result = array();
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// Create the result array, so that we can get row counts
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// Check the resource type, because prepared statements are "interbase query"
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// but we only want "interbase result" types when attempting to fetch data
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if (is_resource($link) && get_resource_type($link) === "interbase result")
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{
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while($row = ibase_fetch_assoc($link, IBASE_FETCH_BLOBS))
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{
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$this->result[] = $row;
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}
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}
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}
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// --------------------------------------------------------------------------
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/**
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* Invalidate method for data consistency
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*
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* @param mixed $column
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* @param mixed &$param
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* @param int $type
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* @param mixed $maxlen
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* @param array $driverdata
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* @return NULL
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*/
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public function bindColumn($column, &$param, $type=NULL, $maxlen=NULL, $driverdata=NULL)
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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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* Invalidate method for data consistency
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*
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* @param mixed $parameter
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* @param mixed &$variable
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* @param int $data_type
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* @param mixed $maxlen
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* @param array $driverdata
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* @return NULL
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*/
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public function bindParam($parameter, &$variable, $data_type=NULL, $maxlen=NULL, $driverdata=NULL)
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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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* Invalidate method for data consistency
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*
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* @param mixed $parameter
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* @param mixed &$variable
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* @param int $data_type
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* @return NULL
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*/
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public function bindValue($parameter, $variable, $data_type=NULL)
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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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* Run a prepared statement query
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*
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* @param array $args
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* @return bool
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*/
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public function execute($args = NULL)
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{
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//Add the prepared statement as the first parameter
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array_unshift($args, $this->statement);
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// Let php do all the hard stuff in converting
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// the array of arguments into a list of arguments
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// Then pass the resource to the constructor
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$this->__construct(call_user_func_array('fbird_execute', $args));
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return $this;
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}
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// --------------------------------------------------------------------------
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/**
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* Emulate PDO fetch public function
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*
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* @param int $fetch_style
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* @param mixed $statement
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* @param mixed $offset
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* @return mixed
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*/
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public function fetch($fetch_style=PDO::FETCH_ASSOC, $statement=NULL, $offset=NULL)
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{
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if ( ! is_null($statement))
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{
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$this->statement = $statement;
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}
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// If there is no result, continue
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if (empty($this->result))
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{
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return NULL;
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}
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// Keep track of the current row being fetched
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++$this->row;
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// return NULL if the next row doesn't exist
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if ( ! isset($this->result[$this->row]))
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{
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return NULL;
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}
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switch($fetch_style)
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{
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case PDO::FETCH_OBJ:
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$row = (object) $this->result[$this->row];
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break;
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case PDO::FETCH_NUM:
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$row = array_values($this->result[$this->row]);
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break;
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default:
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$row = $this->result[$this->row];
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break;
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}
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return $row;
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}
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// --------------------------------------------------------------------------
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/**
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* Emulate PDO fetchAll public function
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*
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* @param int $fetch_style
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* @param mixed $statement
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* @param mixed $ctor_args
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* @return mixed
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*/
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public function fetchAll($fetch_style=PDO::FETCH_ASSOC, $statement=NULL, $ctor_args=NULL)
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{
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$all = array();
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while($row = $this->fetch($fetch_style, $statement))
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{
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$all[] = $row;
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}
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$this->result = $all;
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return $all;
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}
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// --------------------------------------------------------------------------
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/**
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* Emulate PDOStatement::fetchColumn
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*
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* @param int $column_num
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* @return mixed
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*/
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public function fetchColumn($column_num=0)
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{
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$row = $this->fetch(PDO::FETCH_NUM);
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return $row[$column_num];
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}
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// --------------------------------------------------------------------------
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/**
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* Emulate PDOStatement::fetchObject, but only for the default use
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*
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* @param string $class_name
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* @param array $ctor_args
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* @return stdClass
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*/
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public function fetchObject($class_name='stdClass', $ctor_args=array())
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{
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return $this->fetch(PDO::FETCH_OBJ);
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}
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// --------------------------------------------------------------------------
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/**
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* Return the number of rows affected by the previous query
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*
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* @return int
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*/
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public function rowCount()
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{
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$rows = fbird_affected_rows();
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// Get the number of rows for the select query if you can
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if ($rows === FALSE && is_resource($link) && get_resource_type($link) === "interbase result")
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{
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$rows = count($this->result);
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}
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return $rows;
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}
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// --------------------------------------------------------------------------
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/**
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* Method to emulate PDOStatement->errorCode
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*
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* @return string
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*/
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public function errorCode()
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{
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return fbird_errcode();
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}
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// --------------------------------------------------------------------------
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/**
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* Method to emulate PDO->errorInfo / PDOStatement->errorInfo
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*
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* @return array
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*/
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public function errorInfo()
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{
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$code = fbird_errcode();
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$msg = fbird_errmsg();
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return array(0, $code, $msg);
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}
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}
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// End of firebird_result.php
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