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-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_forge.php268
1 files changed, 86 insertions, 182 deletions
diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php
index 8f879d2f6..aa8490ee4 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_forge.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php
@@ -1,245 +1,149 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, 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 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 2.0.3
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* SQLSRV Forge Class
*
* @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/database/
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_forge extends CI_DB_forge {
/**
- * Create database
+ * CREATE TABLE IF statement
*
- * @access private
- * @param string the database name
- * @return bool
+ * @var string
*/
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_table_if = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nCREATE TABLE";
/**
- * Drop database
+ * DROP TABLE IF statement
*
- * @access private
- * @param string the database name
- * @return bool
+ * @var string
*/
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table_if = "IF EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nDROP TABLE";
/**
- * Drop Table
+ * UNSIGNED support
*
- * @access private
- * @return bool
+ * @var array
*/
- function _drop_table($table)
- {
- return "IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'dbo' AND TABLE_NAME = '"
- .$table."')) DROP TABLE [dbo].[".$table."]";
- }
+ protected $_unsigned = array(
+ 'TINYINT' => 'SMALLINT',
+ 'SMALLINT' => 'INT',
+ 'INT' => 'BIGINT',
+ 'REAL' => 'FLOAT'
+ );
// --------------------------------------------------------------------
/**
- * Create Table
+ * ALTER TABLE
*
- * @access private
- * @param string the table name
- * @param array the fields
- * @param mixed primary key(s)
- * @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param string $alter_type ALTER type
+ * @param string $table Table name
+ * @param mixed $field Column definition
+ * @return string|string[]
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _alter_table($alter_type, $table, $field)
{
- $sql = '';
- if ($if_not_exists === TRUE)
- {
- $sql = "IF (NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'dbo' AND TABLE_NAME = ";
- }
- $sql .= $this->db->_escape_identifiers($table).")) CREATE TABLE ".$this->db->_escape_identifiers($table)." (";
- $current_field_count = 0;
-
- foreach ($fields as $field=>$attributes)
- {
- // Numeric field names aren't allowed in databases, so if the key is
- // numeric, we know it was assigned by PHP and the developer manually
- // entered the field information, so we'll simply add it to the list
- if (is_numeric($field))
- {
- $sql .= "\n\t$attributes";
- }
- else
- {
- $attributes = array_change_key_case($attributes, CASE_UPPER);
-
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
-
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
- {
- $sql .= ' UNSIGNED';
- }
-
- if (array_key_exists('DEFAULT', $attributes))
- {
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
- }
-
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' IDENTITY(1,1)';
- }
- }
-
- // don't add a comma on the end of the last field
- if (++$current_field_count < count($fields))
- {
- $sql .= ',';
- }
- }
-
- if (count($primary_keys) > 0)
+ if (in_array($alter_type, array('ADD', 'DROP'), TRUE))
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ return parent::_alter_table($alter_type, $table, $field);
}
- if (is_array($keys) && count($keys) > 0)
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' ALTER COLUMN ';
+ $sqls = array();
+ for ($i = 0, $c = count($field); $i < $c; $i++)
{
- foreach ($keys as $key)
- {
- if (is_array($key))
- {
- $key = $this->db->_protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->_protect_identifiers($key));
- }
-
- $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
- }
+ $sqls[] = $sql.$this->_process_column($field[$i]);
}
- $sql .= "\n)";
-
- return $sql;
+ return $sqls;
}
// --------------------------------------------------------------------
/**
- * Alter table query
+ * Field attribute TYPE
*
- * Generates a platform-specific query so that a table can be altered
- * Called by add_column(), drop_column(), and column_alter(),
+ * Performs a data type mapping between different databases.
*
- * @access private
- * @param string the ALTER type (ADD, DROP, CHANGE)
- * @param string the column name
- * @param string the table name
- * @param string the column definition
- * @param string the default value
- * @param boolean should 'NOT NULL' be added
- * @param string the field after which we should add the new field
- * @return object
+ * @param array &$attributes
+ * @return void
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _attr_type(&$attributes)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
-
- // DROP has everything it needs now.
- if ($alter_type == 'DROP')
- {
- return $sql;
- }
-
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
+ if (isset($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') !== FALSE)
{
- $sql .= ' NOT NULL';
+ unset($attributes['CONSTRAINT']);
}
- if ($after_field != '')
+ switch (strtoupper($attributes['TYPE']))
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ case 'MEDIUMINT':
+ $attributes['TYPE'] = 'INTEGER';
+ $attributes['UNSIGNED'] = FALSE;
+ return;
+ case 'INTEGER':
+ $attributes['TYPE'] = 'INT';
+ return;
+ default: return;
}
-
- return $sql;
-
}
// --------------------------------------------------------------------
/**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
+ * Field attribute AUTO_INCREMENT
*
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
+ * @param array &$attributes
+ * @param array &$field
+ * @return void
*/
- function _rename_table($table_name, $new_table_name)
+ protected function _attr_auto_increment(&$attributes, &$field)
{
- return 'EXEC sp_rename '.$this->db->_protect_identifiers($table_name).", ".$this->db->_protect_identifiers($new_table_name);
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE)
+ {
+ $field['auto_increment'] = ' IDENTITY(1,1)';
+ }
}
}
-
-/* End of file sqlsrv_forge.php */
-/* Location: ./system/database/drivers/sqlsrv/sqlsrv_forge.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-22 15:35:10 +0100