233 lines
6.1 KiB
PHP
233 lines
6.1 KiB
PHP
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<?php
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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
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author EllisLab Dev Team
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
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* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
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* @license https://opensource.org/licenses/MIT MIT License
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* @link https://codeigniter.com
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* @since Version 1.3.0
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* @filesource
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*/
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defined('BASEPATH') OR exit('No direct script access allowed');
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/**
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* MySQLi 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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* @package CodeIgniter
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* @subpackage Drivers
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* @category Database
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* @author EllisLab Dev Team
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* @link https://codeigniter.com/user_guide/database/
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*/
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class CI_DB_mysqli_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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* @return int
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*/
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public function num_rows()
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{
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return is_int($this->num_rows)
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? $this->num_rows
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: $this->num_rows = $this->result_id->num_rows;
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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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* @return int
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*/
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public function num_fields()
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{
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return $this->result_id->field_count;
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}
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// --------------------------------------------------------------------
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/**
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* Fetch Field Names
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*
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* Generates an array of column names
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*
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* @return array
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*/
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public function list_fields()
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{
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$field_names = array();
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$this->result_id->field_seek(0);
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while ($field = $this->result_id->fetch_field())
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{
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$field_names[] = $field->name;
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}
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return $field_names;
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}
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// --------------------------------------------------------------------
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/**
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* Field data
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*
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* Generates an array of objects containing field meta-data
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*
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* @return array
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*/
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public function field_data()
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{
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$retval = array();
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$field_data = $this->result_id->fetch_fields();
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for ($i = 0, $c = count($field_data); $i < $c; $i++)
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{
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$retval[$i] = new stdClass();
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$retval[$i]->name = $field_data[$i]->name;
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$retval[$i]->type = static::_get_field_type($field_data[$i]->type);
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$retval[$i]->max_length = $field_data[$i]->max_length;
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$retval[$i]->primary_key = (int) ($field_data[$i]->flags & MYSQLI_PRI_KEY_FLAG);
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$retval[$i]->default = $field_data[$i]->def;
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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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* Get field type
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*
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* Extracts field type info from the bitflags returned by
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* mysqli_result::fetch_fields()
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*
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* @used-by CI_DB_mysqli_result::field_data()
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* @param int $type
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* @return string
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*/
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private static function _get_field_type($type)
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{
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static $map;
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isset($map) OR $map = array(
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MYSQLI_TYPE_DECIMAL => 'decimal',
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MYSQLI_TYPE_BIT => 'bit',
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MYSQLI_TYPE_TINY => 'tinyint',
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MYSQLI_TYPE_SHORT => 'smallint',
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MYSQLI_TYPE_INT24 => 'mediumint',
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MYSQLI_TYPE_LONG => 'int',
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MYSQLI_TYPE_LONGLONG => 'bigint',
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MYSQLI_TYPE_FLOAT => 'float',
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MYSQLI_TYPE_DOUBLE => 'double',
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MYSQLI_TYPE_TIMESTAMP => 'timestamp',
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MYSQLI_TYPE_DATE => 'date',
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MYSQLI_TYPE_TIME => 'time',
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MYSQLI_TYPE_DATETIME => 'datetime',
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MYSQLI_TYPE_YEAR => 'year',
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MYSQLI_TYPE_NEWDATE => 'date',
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MYSQLI_TYPE_INTERVAL => 'interval',
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MYSQLI_TYPE_ENUM => 'enum',
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MYSQLI_TYPE_SET => 'set',
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MYSQLI_TYPE_TINY_BLOB => 'tinyblob',
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MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
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MYSQLI_TYPE_BLOB => 'blob',
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MYSQLI_TYPE_LONG_BLOB => 'longblob',
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MYSQLI_TYPE_STRING => 'char',
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MYSQLI_TYPE_VAR_STRING => 'varchar',
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MYSQLI_TYPE_GEOMETRY => 'geometry'
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);
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return isset($map[$type]) ? $map[$type] : $type;
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}
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// --------------------------------------------------------------------
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/**
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* Free the result
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*
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* @return void
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*/
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public function free_result()
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{
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if (is_object($this->result_id))
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{
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$this->result_id->free();
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$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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* @param int $n
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* @return bool
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*/
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public function data_seek($n = 0)
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{
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return $this->result_id->data_seek($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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* @return array
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*/
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protected function _fetch_assoc()
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{
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return $this->result_id->fetch_assoc();
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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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* @param string $class_name
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* @return object
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*/
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protected function _fetch_object($class_name = 'stdClass')
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{
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return $this->result_id->fetch_object($class_name);
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}
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}
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