/lenasys/trunk : contents of codeigniter/system/database/drivers/cubrid/cubrid

: (revision 20.1.1)

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package		CodeIgniter
 * @author		Esen Sagynov
 * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CUBRID Forge Class
 *
 * @category	Database
 * @author		Esen Sagynov
 * @link		http://codeigniter.com/user_guide/database/
 */
class CI_DB_cubrid_forge extends CI_DB_forge {

	/**
	 * Create database
	 *
	 * @access	private
	 * @param	string	the database name
	 * @return	bool
	 */
	function _create_database($name)
	{
		// CUBRID does not allow to create a database in SQL. The GUI tools
		// have to be used for this purpose.
		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Drop database
	 *
	 * @access	private
	 * @param	string	the database name
	 * @return	bool
	 */
	function _drop_database($name)
	{
		// CUBRID does not allow to drop a database in SQL. The GUI tools
		// have to be used for this purpose.
		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Process Fields
	 *
	 * @access	private
	 * @param	mixed	the fields
	 * @return	string
	 */
	function _process_fields($fields)
	{
		$current_field_count = 0;
		$sql = '';

		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) . "\"";

				if (array_key_exists('NAME', $attributes))
				{
					$sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
				}

				if (array_key_exists('TYPE', $attributes))
				{
					$sql .= ' '.$attributes['TYPE'];

					if (array_key_exists('CONSTRAINT', $attributes))
					{
						switch ($attributes['TYPE'])
						{
							case 'decimal':
							case 'float':
							case 'numeric':
								$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
								break;
							case 'enum': 	// As of version 8.4.0 CUBRID does not support
											// enum data type.
											break;
							case 'set':
								$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
								break;
							default:
								$sql .= '('.$attributes['CONSTRAINT'].')';
						}
					}
				}

				if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
				{
					//$sql .= ' UNSIGNED';
					// As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type.
					// Will be supported in the next release as a part of MySQL Compatibility.
				}

				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 .= ' AUTO_INCREMENT';
				}

				if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
				{
					$sql .= ' UNIQUE';
				}
			}

			// don't add a comma on the end of the last field
			if (++$current_field_count < count($fields))
			{
				$sql .= ',';
			}
		}

		return $sql;
	}

	// --------------------------------------------------------------------

	/**
	 * Create Table
	 *
	 * @access	private
	 * @param	string	the table name
	 * @param	mixed	the fields
	 * @param	mixed	primary key(s)
	 * @param	mixed	key(s)
	 * @param	boolean	should 'IF NOT EXISTS' be added to the SQL
	 * @return	bool
	 */
	function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
	{
		$sql = 'CREATE TABLE ';

		if ($if_not_exists === TRUE)
		{
			//$sql .= 'IF NOT EXISTS ';
			// As of version 8.4.0 CUBRID does not support this SQL syntax.
		}

		$sql .= $this->db->_escape_identifiers($table)." (";

		$sql .= $this->_process_fields($fields);

		// If there is a PK defined
		if (count($primary_keys) > 0)
		{
			$key_name = "pk_" . $table . "_" .
				$this->db->_protect_identifiers(implode('_', $primary_keys));
			
			$primary_keys = $this->db->_protect_identifiers($primary_keys);
			$sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
		}

		if (is_array($keys) && count($keys) > 0)
		{
			foreach ($keys as $key)
			{
				if (is_array($key))
				{
					$key_name = $this->db->_protect_identifiers(implode('_', $key));
					$key = $this->db->_protect_identifiers($key);
				}
				else
				{
					$key_name = $this->db->_protect_identifiers($key);
					$key = array($key_name);
				}
				
				$sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
			}
		}

		$sql .= "\n);";

		return $sql;
	}

	// --------------------------------------------------------------------

	/**
	 * Drop Table
	 *
	 * @access	private
	 * @return	string
	 */
	function _drop_table($table)
	{
		return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
	}

	// --------------------------------------------------------------------

	/**
	 * Alter table query
	 *
	 * Generates a platform-specific query so that a table can be altered
	 * Called by add_column(), drop_column(), and column_alter(),
	 *
	 * @access	private
	 * @param	string	the ALTER type (ADD, DROP, CHANGE)
	 * @param	string	the column name
	 * @param	array	fields
	 * @param	string	the field after which we should add the new field
	 * @return	object
	 */
	function _alter_table($alter_type, $table, $fields, $after_field = '')
	{
		$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";

		// DROP has everything it needs now.
		if ($alter_type == 'DROP')
		{
			return $sql.$this->db->_protect_identifiers($fields);
		}

		$sql .= $this->_process_fields($fields);

		if ($after_field != '')
		{
			$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
		}

		return $sql;
	}

	// --------------------------------------------------------------------

	/**
	 * Rename a table
	 *
	 * Generates a platform-specific query so that a table can be renamed
	 *
	 * @access	private
	 * @param	string	the old table name
	 * @param	string	the new table name
	 * @return	string
	 */
	function _rename_table($table_name, $new_table_name)
	{
		$sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name);
		return $sql;
	}

}

/* End of file cubrid_forge.php */
/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */

20.1.1 by galaxyAbstractor * Added an simple admin panel to the codeviewer-cmssy stuff	1	<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
	2	/**
	3	* CodeIgniter
	4	*
	5	* An open source application development framework for PHP 5.1.6 or newer
	6	*
	7	* @package CodeIgniter
	8	* @author Esen Sagynov
	9	* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
	10	* @license http://codeigniter.com/user_guide/license.html
	11	* @link http://codeigniter.com
	12	* @since Version 1.0
	13	* @filesource
	14	*/
	15
	16	// ------------------------------------------------------------------------
	17
	18	/**
	19	* CUBRID Forge Class
	20	*
	21	* @category Database
	22	* @author Esen Sagynov
	23	* @link http://codeigniter.com/user_guide/database/
	24	*/
	25	class CI_DB_cubrid_forge extends CI_DB_forge {
	26
	27	/**
	28	* Create database
	29	*
	30	* @access private
	31	* @param string the database name
	32	* @return bool
	33	*/
	34	function _create_database($name)
	35	{
	36	// CUBRID does not allow to create a database in SQL. The GUI tools
	37	// have to be used for this purpose.
	38	return FALSE;
	39	}
	40
	41	// --------------------------------------------------------------------
	42
	43	/**
	44	* Drop database
	45	*
	46	* @access private
	47	* @param string the database name
	48	* @return bool
	49	*/
	50	function _drop_database($name)
	51	{
	52	// CUBRID does not allow to drop a database in SQL. The GUI tools
	53	// have to be used for this purpose.
	54	return FALSE;
	55	}
	56
	57	// --------------------------------------------------------------------
	58
	59	/**
	60	* Process Fields
	61	*
	62	* @access private
	63	* @param mixed the fields
	64	* @return string
65	*/
66	function _process_fields($fields)
67	{
68	$current_field_count = 0;
69	$sql = '';
70
71	foreach ($fields as $field=>$attributes)
72	{
73	// Numeric field names aren't allowed in databases, so if the key is
74	// numeric, we know it was assigned by PHP and the developer manually
75	// entered the field information, so we'll simply add it to the list
76	if (is_numeric($field))
77	{
78	$sql .= "\n\t$attributes";
79	}
80	else
81	{
82	$attributes = array_change_key_case($attributes, CASE_UPPER);
83
84	$sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\"";
85
86	if (array_key_exists('NAME', $attributes))
87	{
88	$sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
89	}
90
91	if (array_key_exists('TYPE', $attributes))
92	{
93	$sql .= ' '.$attributes['TYPE'];
94
95	if (array_key_exists('CONSTRAINT', $attributes))
96	{
97	switch ($attributes['TYPE'])
98	{
99	case 'decimal':
100	case 'float':
101	case 'numeric':
102	$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
103	break;
104	case 'enum': // As of version 8.4.0 CUBRID does not support
105	// enum data type.
106	break;
107	case 'set':
108	$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
109	break;
110	default:
111	$sql .= '('.$attributes['CONSTRAINT'].')';
112	}
113	}
114	}
115
116	if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
117	{
118	//$sql .= ' UNSIGNED';
119	// As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type.
120	// Will be supported in the next release as a part of MySQL Compatibility.
121	}
122
123	if (array_key_exists('DEFAULT', $attributes))
124	{
125	$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
126	}
127
128	if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
129	{
130	$sql .= ' NULL';
131	}
132	else
133	{
134	$sql .= ' NOT NULL';
135	}
136
137	if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
138	{
139	$sql .= ' AUTO_INCREMENT';
140	}
141
142	if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
143	{
144	$sql .= ' UNIQUE';
145	}
146	}
147
148	// don't add a comma on the end of the last field
149	if (++$current_field_count < count($fields))
150	{
151	$sql .= ',';
152	}
153	}
154
155	return $sql;
156	}
157
158	// --------------------------------------------------------------------
159
160	/**
161	* Create Table
162	*
163	* @access private
164	* @param string the table name
165	* @param mixed the fields
166	* @param mixed primary key(s)
167	* @param mixed key(s)
168	* @param boolean should 'IF NOT EXISTS' be added to the SQL
169	* @return bool
170	*/
171	function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
172	{
173	$sql = 'CREATE TABLE ';
174
175	if ($if_not_exists === TRUE)
176	{
177	//$sql .= 'IF NOT EXISTS ';
178	// As of version 8.4.0 CUBRID does not support this SQL syntax.
179	}
180
181	$sql .= $this->db->_escape_identifiers($table)." (";
182
183	$sql .= $this->_process_fields($fields);
184
185	// If there is a PK defined
186	if (count($primary_keys) > 0)
187	{
188	$key_name = "pk_" . $table . "_" .
189	$this->db->_protect_identifiers(implode('_', $primary_keys));
190
191	$primary_keys = $this->db->_protect_identifiers($primary_keys);
192	$sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
193	}
194
195	if (is_array($keys) && count($keys) > 0)
196	{
197	foreach ($keys as $key)
198	{
199	if (is_array($key))
200	{
201	$key_name = $this->db->_protect_identifiers(implode('_', $key));
202	$key = $this->db->_protect_identifiers($key);
203	}
204	else
205	{
206	$key_name = $this->db->_protect_identifiers($key);
207	$key = array($key_name);
208	}
209
210	$sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
211	}
212	}
213
214	$sql .= "\n);";
215
216	return $sql;
217	}
218
219	// --------------------------------------------------------------------
220
221	/**
222	* Drop Table
223	*
224	* @access private
225	* @return string
226	*/
227	function _drop_table($table)
228	{
229	return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
230	}
231
232	// --------------------------------------------------------------------
233
234	/**
235	* Alter table query
236	*
237	* Generates a platform-specific query so that a table can be altered
238	* Called by add_column(), drop_column(), and column_alter(),
239	*
240	* @access private
241	* @param string the ALTER type (ADD, DROP, CHANGE)
242	* @param string the column name
243	* @param array fields
244	* @param string the field after which we should add the new field
245	* @return object
246	*/
247	function _alter_table($alter_type, $table, $fields, $after_field = '')
248	{
249	$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
250
251	// DROP has everything it needs now.
252	if ($alter_type == 'DROP')
253	{
254	return $sql.$this->db->_protect_identifiers($fields);
255	}
256
257	$sql .= $this->_process_fields($fields);
258
259	if ($after_field != '')
260	{
261	$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
262	}
263
264	return $sql;
265	}
266
267	// --------------------------------------------------------------------
268
269	/**
270	* Rename a table
271	*
272	* Generates a platform-specific query so that a table can be renamed
273	*
274	* @access private
275	* @param string the old table name
276	* @param string the new table name
277	* @return string
278	*/
279	function _rename_table($table_name, $new_table_name)
280	{
281	$sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name);
282	return $sql;
283	}
284
285	}
286
287	/* End of file cubrid_forge.php */
288	/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */