202 lines
4.4 KiB
PHP
202 lines
4.4 KiB
PHP
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP 5.1.6 or newer
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*
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* @package CodeIgniter
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* @author Esen Sagynov
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* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
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* @license http://codeigniter.com/user_guide/license.html
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* @link http://codeigniter.com
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* @since Version 2.0.2
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* @filesource
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*/
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// --------------------------------------------------------------------
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/**
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* CUBRID Result Class
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*
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* This class extends the parent result class: CI_DB_result
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*
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* @category Database
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* @author Esen Sagynov
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* @link http://codeigniter.com/user_guide/database/
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*/
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class CI_DB_cubrid_result extends CI_DB_result {
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/**
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* Number of rows in the result set
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*
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* @access public
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* @return integer
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*/
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function num_rows()
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{
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return @cubrid_num_rows($this->result_id);
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}
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// --------------------------------------------------------------------
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/**
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* Number of fields in the result set
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*
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* @access public
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* @return integer
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*/
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function num_fields()
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{
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return @cubrid_num_fields($this->result_id);
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}
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// --------------------------------------------------------------------
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/**
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* Fetch Field Names
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*
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* Generates an array of column names
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*
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* @access public
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* @return array
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*/
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function list_fields()
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{
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return cubrid_column_names($this->result_id);
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}
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// --------------------------------------------------------------------
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/**
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* Field data
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*
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* Generates an array of objects containing field meta-data
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*
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* @access public
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* @return array
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*/
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function field_data()
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{
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$retval = array();
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$tablePrimaryKeys = array();
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while ($field = cubrid_fetch_field($this->result_id))
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{
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$F = new stdClass();
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$F->name = $field->name;
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$F->type = $field->type;
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$F->default = $field->def;
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$F->max_length = $field->max_length;
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// At this moment primary_key property is not returned when
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// cubrid_fetch_field is called. The following code will
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// provide a patch for it. primary_key property will be added
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// in the next release.
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// TODO: later version of CUBRID will provide primary_key
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// property.
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// When PK is defined in CUBRID, an index is automatically
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// created in the db_index system table in the form of
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// pk_tblname_fieldname. So the following will count how many
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// columns are there which satisfy this format.
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// The query will search for exact single columns, thus
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// compound PK is not supported.
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$res = cubrid_query($this->conn_id,
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"SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table .
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"' AND is_primary_key = 'YES' AND index_name = 'pk_" .
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$field->table . "_" . $field->name . "'"
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);
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if ($res)
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{
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$row = cubrid_fetch_array($res, CUBRID_NUM);
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$F->primary_key = ($row[0] > 0 ? 1 : null);
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}
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else
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{
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$F->primary_key = null;
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}
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if (is_resource($res))
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{
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cubrid_close_request($res);
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$this->result_id = FALSE;
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}
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$retval[] = $F;
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}
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return $retval;
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}
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// --------------------------------------------------------------------
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/**
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* Free the result
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*
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* @return null
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*/
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function free_result()
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{
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if(is_resource($this->result_id) ||
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get_resource_type($this->result_id) == "Unknown" &&
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preg_match('/Resource id #/', strval($this->result_id)))
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{
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cubrid_close_request($this->result_id);
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$this->result_id = FALSE;
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}
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}
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// --------------------------------------------------------------------
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/**
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* Data Seek
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*
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* Moves the internal pointer to the desired offset. We call
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* this internally before fetching results to make sure the
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* result set starts at zero
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*
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* @access private
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* @return array
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*/
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function _data_seek($n = 0)
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{
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return cubrid_data_seek($this->result_id, $n);
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}
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// --------------------------------------------------------------------
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/**
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* Result - associative array
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*
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* Returns the result set as an array
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*
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* @access private
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* @return array
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*/
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function _fetch_assoc()
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{
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return cubrid_fetch_assoc($this->result_id);
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}
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// --------------------------------------------------------------------
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/**
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* Result - object
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*
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* Returns the result set as an object
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*
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* @access private
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* @return object
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*/
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function _fetch_object()
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{
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return cubrid_fetch_object($this->result_id);
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}
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}
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/* End of file cubrid_result.php */
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/* Location: ./system/database/drivers/cubrid/cubrid_result.php */ |