mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-12-05 06:13:16 +03:00
245 lines
6 KiB
PHP
245 lines
6 KiB
PHP
|
<?php
|
||
|
/**
|
||
|
* CodeIgniter
|
||
|
*
|
||
|
* An open source application development framework for PHP
|
||
|
*
|
||
|
* This content is released under the MIT License (MIT)
|
||
|
*
|
||
|
* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
|
||
|
*
|
||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
* in the Software without restriction, including without limitation the rights
|
||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
* furnished to do so, subject to the following conditions:
|
||
|
*
|
||
|
* The above copyright notice and this permission notice shall be included in
|
||
|
* all copies or substantial portions of the Software.
|
||
|
*
|
||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
* THE SOFTWARE.
|
||
|
*
|
||
|
* @package CodeIgniter
|
||
|
* @author EllisLab Dev Team
|
||
|
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
|
||
|
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
|
||
|
* @license https://opensource.org/licenses/MIT MIT License
|
||
|
* @link https://codeigniter.com
|
||
|
* @since Version 1.3.0
|
||
|
* @filesource
|
||
|
*/
|
||
|
defined('BASEPATH') OR exit('No direct script access allowed');
|
||
|
|
||
|
/**
|
||
|
* MySQLi Forge Class
|
||
|
*
|
||
|
* @package CodeIgniter
|
||
|
* @subpackage Drivers
|
||
|
* @category Database
|
||
|
* @author EllisLab Dev Team
|
||
|
* @link https://codeigniter.com/userguide3/database/
|
||
|
*/
|
||
|
class CI_DB_mysqli_forge extends CI_DB_forge {
|
||
|
|
||
|
/**
|
||
|
* CREATE DATABASE statement
|
||
|
*
|
||
|
* @var string
|
||
|
*/
|
||
|
protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
|
||
|
|
||
|
/**
|
||
|
* CREATE TABLE keys flag
|
||
|
*
|
||
|
* Whether table keys are created from within the
|
||
|
* CREATE TABLE statement.
|
||
|
*
|
||
|
* @var bool
|
||
|
*/
|
||
|
protected $_create_table_keys = TRUE;
|
||
|
|
||
|
/**
|
||
|
* UNSIGNED support
|
||
|
*
|
||
|
* @var array
|
||
|
*/
|
||
|
protected $_unsigned = array(
|
||
|
'TINYINT',
|
||
|
'SMALLINT',
|
||
|
'MEDIUMINT',
|
||
|
'INT',
|
||
|
'INTEGER',
|
||
|
'BIGINT',
|
||
|
'REAL',
|
||
|
'DOUBLE',
|
||
|
'DOUBLE PRECISION',
|
||
|
'FLOAT',
|
||
|
'DECIMAL',
|
||
|
'NUMERIC'
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
* NULL value representation in CREATE/ALTER TABLE statements
|
||
|
*
|
||
|
* @var string
|
||
|
*/
|
||
|
protected $_null = 'NULL';
|
||
|
|
||
|
// --------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* CREATE TABLE attributes
|
||
|
*
|
||
|
* @param array $attributes Associative array of table attributes
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function _create_table_attr($attributes)
|
||
|
{
|
||
|
$sql = '';
|
||
|
|
||
|
foreach (array_keys($attributes) as $key)
|
||
|
{
|
||
|
if (is_string($key))
|
||
|
{
|
||
|
$sql .= ' '.strtoupper($key).' = '.$attributes[$key];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ( ! empty($this->db->char_set) && ! strpos($sql, 'CHARACTER SET') && ! strpos($sql, 'CHARSET'))
|
||
|
{
|
||
|
$sql .= ' DEFAULT CHARACTER SET = '.$this->db->char_set;
|
||
|
}
|
||
|
|
||
|
if ( ! empty($this->db->dbcollat) && ! strpos($sql, 'COLLATE'))
|
||
|
{
|
||
|
$sql .= ' COLLATE = '.$this->db->dbcollat;
|
||
|
}
|
||
|
|
||
|
return $sql;
|
||
|
}
|
||
|
|
||
|
// --------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* ALTER TABLE
|
||
|
*
|
||
|
* @param string $alter_type ALTER type
|
||
|
* @param string $table Table name
|
||
|
* @param mixed $field Column definition
|
||
|
* @return string|string[]
|
||
|
*/
|
||
|
protected function _alter_table($alter_type, $table, $field)
|
||
|
{
|
||
|
if ($alter_type === 'DROP')
|
||
|
{
|
||
|
return parent::_alter_table($alter_type, $table, $field);
|
||
|
}
|
||
|
|
||
|
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
|
||
|
for ($i = 0, $c = count($field); $i < $c; $i++)
|
||
|
{
|
||
|
if ($field[$i]['_literal'] !== FALSE)
|
||
|
{
|
||
|
$field[$i] = ($alter_type === 'ADD')
|
||
|
? "\n\tADD ".$field[$i]['_literal']
|
||
|
: "\n\tMODIFY ".$field[$i]['_literal'];
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if ($alter_type === 'ADD')
|
||
|
{
|
||
|
$field[$i]['_literal'] = "\n\tADD ";
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
$field[$i]['_literal'] = empty($field[$i]['new_name']) ? "\n\tMODIFY " : "\n\tCHANGE ";
|
||
|
}
|
||
|
|
||
|
$field[$i] = $field[$i]['_literal'].$this->_process_column($field[$i]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return array($sql.implode(',', $field));
|
||
|
}
|
||
|
|
||
|
// --------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* Process column
|
||
|
*
|
||
|
* @param array $field
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function _process_column($field)
|
||
|
{
|
||
|
$extra_clause = isset($field['after'])
|
||
|
? ' AFTER '.$this->db->escape_identifiers($field['after']) : '';
|
||
|
|
||
|
if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE)
|
||
|
{
|
||
|
$extra_clause = ' FIRST';
|
||
|
}
|
||
|
|
||
|
return $this->db->escape_identifiers($field['name'])
|
||
|
.(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name']))
|
||
|
.' '.$field['type'].$field['length']
|
||
|
.$field['unsigned']
|
||
|
.$field['null']
|
||
|
.$field['default']
|
||
|
.$field['auto_increment']
|
||
|
.$field['unique']
|
||
|
.(empty($field['comment']) ? '' : ' COMMENT '.$field['comment'])
|
||
|
.$extra_clause;
|
||
|
}
|
||
|
|
||
|
// --------------------------------------------------------------------
|
||
|
|
||
|
/**
|
||
|
* Process indexes
|
||
|
*
|
||
|
* @param string $table (ignored)
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function _process_indexes($table)
|
||
|
{
|
||
|
$sql = '';
|
||
|
|
||
|
for ($i = 0, $c = count($this->keys); $i < $c; $i++)
|
||
|
{
|
||
|
if (is_array($this->keys[$i]))
|
||
|
{
|
||
|
for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
|
||
|
{
|
||
|
if ( ! isset($this->fields[$this->keys[$i][$i2]]))
|
||
|
{
|
||
|
unset($this->keys[$i][$i2]);
|
||
|
continue;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
elseif ( ! isset($this->fields[$this->keys[$i]]))
|
||
|
{
|
||
|
unset($this->keys[$i]);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]);
|
||
|
|
||
|
$sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i]))
|
||
|
.' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')';
|
||
|
}
|
||
|
|
||
|
$this->keys = array();
|
||
|
|
||
|
return $sql;
|
||
|
}
|
||
|
|
||
|
}
|