257 lines
9.8 KiB
PHP
257 lines
9.8 KiB
PHP
<?php
|
|
/*
|
|
* $Id: Mssql.php 6051 2009-07-10 17:53:44Z dcousineau $
|
|
*
|
|
* 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.org>.
|
|
*/
|
|
|
|
/**
|
|
* @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)
|
|
* @author Frank M. Kromann <frank@kromann.info> (PEAR MDB2 Mssql driver)
|
|
* @author David Coallier <davidc@php.net> (PEAR MDB2 Mssql driver)
|
|
* @version $Revision: 6051 $
|
|
* @link www.phpdoctrine.org
|
|
* @since 1.0
|
|
*/
|
|
class Doctrine_DataDict_Mssql 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 'enum':
|
|
$field['length'] = isset($field['length']) && $field['length'] ? $field['length']:255;
|
|
case 'array':
|
|
case 'object':
|
|
case 'text':
|
|
case 'char':
|
|
case 'varchar':
|
|
case 'string':
|
|
case 'gzip':
|
|
$length = !empty($field['length'])
|
|
? $field['length'] : false;
|
|
|
|
$fixed = ((isset($field['fixed']) && $field['fixed']) || $field['type'] == 'char') ? true : false;
|
|
|
|
return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$this->conn->options['default_text_field_length'].')')
|
|
: ($length ? 'VARCHAR('.$length.')' : 'TEXT');
|
|
case 'clob':
|
|
if ( ! empty($field['length'])) {
|
|
$length = $field['length'];
|
|
if ($length <= 8000) {
|
|
return 'VARCHAR('.$length.')';
|
|
}
|
|
}
|
|
return 'TEXT';
|
|
case 'blob':
|
|
if ( ! empty($field['length'])) {
|
|
$length = $field['length'];
|
|
if ($length <= 8000) {
|
|
return "VARBINARY($length)";
|
|
}
|
|
}
|
|
return 'IMAGE';
|
|
case 'integer':
|
|
case 'int':
|
|
return (isset($field['unsigned']) && $field['unsigned']) ? 'BIGINT' : 'INT';
|
|
case 'boolean':
|
|
return 'BIT';
|
|
case 'date':
|
|
return 'CHAR(' . strlen('YYYY-MM-DD') . ')';
|
|
case 'time':
|
|
return 'CHAR(' . strlen('HH:MM:SS') . ')';
|
|
case 'timestamp':
|
|
return 'CHAR(' . strlen('YYYY-MM-DD HH:MM:SS') . ')';
|
|
case 'float':
|
|
return 'FLOAT';
|
|
case 'decimal':
|
|
$length = !empty($field['length']) ? $field['length'] : 18;
|
|
$scale = !empty($field['scale']) ? $field['scale'] : $this->conn->getAttribute(Doctrine::ATTR_DECIMAL_PLACES);
|
|
return 'DECIMAL('.$length.','.$scale.')';
|
|
}
|
|
|
|
throw new Doctrine_DataDict_Exception('Unknown field type \'' . $field['type'] . '\'.');
|
|
}
|
|
|
|
/**
|
|
* Maps a native array description of a field to a MDB2 datatype and length
|
|
*
|
|
* @param array $field native field description
|
|
* @return array containing the various possible types, length, sign, fixed
|
|
*/
|
|
public function getPortableDeclaration($field)
|
|
{
|
|
$db_type = preg_replace('/[\d\(\)]/','', strtolower($field['type']) );
|
|
$length = (isset($field['length']) && $field['length'] > 0) ? $field['length'] : null;
|
|
|
|
$type = array();
|
|
// todo: unsigned handling seems to be missing
|
|
$unsigned = $fixed = null;
|
|
|
|
if ( ! isset($field['name']))
|
|
$field['name'] = '';
|
|
|
|
switch ($db_type) {
|
|
case 'bit':
|
|
$type[0] = 'boolean';
|
|
break;
|
|
case 'tinyint':
|
|
case 'smallint':
|
|
case 'bigint':
|
|
case 'int':
|
|
$type[0] = 'integer';
|
|
if ($length == 1) {
|
|
$type[] = 'boolean';
|
|
}
|
|
break;
|
|
case 'date':
|
|
$type[0] = 'date';
|
|
break;
|
|
case 'datetime':
|
|
case 'timestamp':
|
|
case 'smalldatetime':
|
|
$type[0] = 'timestamp';
|
|
break;
|
|
case 'float':
|
|
case 'real':
|
|
case 'numeric':
|
|
$type[0] = 'float';
|
|
break;
|
|
case 'decimal':
|
|
case 'money':
|
|
case 'smallmoney':
|
|
$type[0] = 'decimal';
|
|
break;
|
|
case 'text':
|
|
case 'varchar':
|
|
case 'ntext':
|
|
case 'nvarchar':
|
|
$fixed = false;
|
|
case 'char':
|
|
case 'nchar':
|
|
$type[0] = 'string';
|
|
if ($length == '1') {
|
|
$type[] = 'boolean';
|
|
if (preg_match('/^[is|has]/', $field['name'])) {
|
|
$type = array_reverse($type);
|
|
}
|
|
} elseif (strstr($db_type, 'text')) {
|
|
$type[] = 'clob';
|
|
}
|
|
if ($fixed !== false) {
|
|
$fixed = true;
|
|
}
|
|
break;
|
|
case 'image':
|
|
case 'varbinary':
|
|
$type[] = 'blob';
|
|
$length = null;
|
|
break;
|
|
default:
|
|
throw new Doctrine_DataDict_Exception('unknown database attribute type: '.$db_type);
|
|
}
|
|
|
|
return array('type' => $type,
|
|
'length' => $length,
|
|
'unsigned' => $unsigned,
|
|
'fixed' => $fixed);
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to declare an integer type
|
|
* field to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $name name the field to be declared.
|
|
* @param string $field associative array with the name of the properties
|
|
* of the field being declared as array indexes.
|
|
* Currently, the types of supported field
|
|
* properties are as follows:
|
|
*
|
|
* unsigned
|
|
* Boolean flag that indicates whether the field
|
|
* should be declared as unsigned integer if
|
|
* possible.
|
|
*
|
|
* default
|
|
* Integer value to be used as default for this
|
|
* field.
|
|
*
|
|
* notnull
|
|
* Boolean flag that indicates whether this field is
|
|
* constrained to not be set to null.
|
|
* @return string DBMS specific SQL code portion that should be used to
|
|
* declare the specified field.
|
|
*/
|
|
public function getIntegerDeclaration($name, $field)
|
|
{
|
|
$default = $autoinc = '';
|
|
if ( ! empty($field['autoincrement'])) {
|
|
$autoinc = ' identity';
|
|
} elseif (array_key_exists('default', $field)) {
|
|
if ($field['default'] === '') {
|
|
$field['default'] = empty($field['notnull']) ? null : 0;
|
|
}
|
|
|
|
$default = ' DEFAULT ' . (is_null($field['default'])
|
|
? 'NULL'
|
|
: $this->conn->quote($field['default']));
|
|
}
|
|
|
|
|
|
$notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : '';
|
|
//$unsigned = (isset($field['unsigned']) && $field['unsigned']) ? ' UNSIGNED' : '';
|
|
// MSSQL does not support the UNSIGNED keyword
|
|
$unsigned = '';
|
|
$comment = (isset($field['comment']) && $field['comment'])
|
|
? " COMMENT '" . $field['comment'] . "'" : '';
|
|
|
|
$name = $this->conn->quoteIdentifier($name, true);
|
|
|
|
return $name . ' ' . $this->getNativeDeclaration($field) . $unsigned
|
|
. $default . $notnull . $autoinc . $comment;
|
|
}
|
|
}
|