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doctrine2/lib/Doctrine/DataDict/Informix.php

110 lines
4.5 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
*/
Doctrine::autoload('Doctrine_DataDict');
/**
* @package Doctrine
* @subpackage DataDict
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
* @version $Revision$
* @link www.phpdoctrine.com
* @since 1.0
*/
class Doctrine_DataDict_Informix extends Doctrine_DataDict
{
/**
* Obtain DBMS specific SQL code portion needed to declare an text type
* field to be used in statements like CREATE TABLE.
*
* @param array $field associative array with the name of the properties
* of the field being declared as array indexes. Currently, the types
* of supported field properties are as follows:
*
* length
* Integer value that determines the maximum length of the text
* field. If this argument is missing the field should be
* declared to have the longest length allowed by the DBMS.
*
* default
* Text value to be used as default for this field.
*
* notnull
* Boolean flag that indicates whether this field is constrained
* to not be set to null.
*
* @return string DBMS specific SQL code portion that should be used to
* declare the specified field.
*/
public function getNativeDeclaration($field)
{
if ( ! isset($field['type'])) {
throw new Doctrine_DataDict_Exception('Missing column type.');
}
switch ($field['type']) {
case 'char':
case 'varchar':
case 'array':
case 'object':
case 'string':
if (empty($field['length']) && array_key_exists('default', $field)) {
$field['length'] = $this->conn->varchar_max_length;
}
$length = ( ! empty($field['length'])) ? $field['length'] : false;
$fixed = ((isset($field['fixed']) && $field['fixed']) || $field['type'] == 'char') ? true : false;
return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')
: ($length ? 'VARCHAR('.$length.')' : 'NVARCHAR');
case 'clob':
return 'TEXT';
case 'blob':
return 'BLOB';
case 'integer':
if ( ! empty($field['length'])) {
$length = $field['length'];
if ($length <= 1) {
return 'SMALLINT';
} elseif ($length == 2) {
return 'SMALLINT';
} elseif ($length == 3 || $length == 4) {
return 'INTEGER';
} elseif ($length > 4) {
return 'DECIMAL(20)';
}
}
return 'INT';
case 'boolean':
return 'SMALLINT';
case 'date':
return 'DATE';
case 'time':
return 'DATETIME YEAR TO SECOND';
case 'timestamp':
return 'DATETIME';
case 'float':
return 'FLOAT';
case 'decimal':
return 'DECIMAL';
}
throw new Doctrine_DataDict_Exception('Unknown field type \'' . $field['type'] . '\'.');
}
}