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<?php
/*
* $Id: Oracle.php 6793 2009-11-23 22:46:06Z jwage $
*
* 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>
* @version $Revision: 6793 $
* @link www.phpdoctrine.org
* @since 1.0
*/
class Doctrine_DataDict_Oracle 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(array $field)
{
if ( ! isset($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 'string':
case 'array':
case 'object':
case 'gzip':
case 'char':
case 'varchar':
$length = !empty($field['length']) ? $field['length'] : false;
$fixed = ((isset($field['fixed']) && $field['fixed']) || $field['type'] == 'char') ? true : false;
$unit = $this->conn->getParam('char_unit');
$unit = ! is_null($unit) ? ' '.$unit : '';
if ($length && $length <= $this->conn->getParam('varchar2_max_length')) {
return $fixed ? 'CHAR('.$length.$unit.')' : 'VARCHAR2('.$length.$unit.')';
}
case 'clob':
return 'CLOB';
case 'blob':
return 'BLOB';
case 'integer':
case 'int':
$length = (!empty($field['length'])) ? $field['length'] : false;
if ( $length && $length <= $this->conn->number_max_precision) {
if ($length <= 1) {
return 'NUMBER(3)'; // TINYINT, unsigned max. 256
} elseif ($length == 2) {
return 'NUMBER(5)'; // SMALLINT, unsigend max. 65.536
} elseif ($length == 3) {
return 'NUMBER(8)'; // MEDIUMINT, unsigned max. 16.777.216
} elseif ($length == 4) {
return 'NUMBER(10)'; // INTEGER, unsigend max. 4.294.967.296
} elseif ($length <= 8) {
return 'NUMBER(20)'; // BIGINT, unsigend max. 18.446.744.073.709.551.616
} else {
return 'INTEGER';
}
}
return 'INTEGER';
case 'boolean':
return 'NUMBER(1)';
case 'date':
case 'time':
case 'timestamp':
return 'DATE';
case 'float':
case 'double':
return 'NUMBER';
case 'decimal':
$scale = !empty($field['scale']) ? $field['scale'] : $this->conn->getAttribute(Doctrine_Core::ATTR_DECIMAL_PLACES);
return 'NUMBER(*,'.$scale.')';
default:
}
return $field['type'] . (isset($field['length']) ? '('.$field['length'].')':null);
}
/**
* Maps a native array description of a field to a doctrine datatype and length
*
* @param array $field native field description
* @return array containing the various possible types, length, sign, fixed
* @throws Doctrine_DataDict_Oracle_Exception
*/
public function getPortableDeclaration(array $field)
{
if ( ! isset($field['data_type'])) {
throw new Doctrine_DataDict_Exception('Native oracle definition must have a data_type key specified');
}
$dbType = strtolower($field['data_type']);
$type = array();
$length = $unsigned = $fixed = null;
if ( ! empty($field['data_length'])) {
$length = (int)$field['data_length'];
}
if ( ! isset($field['column_name'])) {
$field['column_name'] = '';
}
switch ($dbType) {
case 'integer':
case 'pls_integer':
case 'binary_integer':
$type[] = 'integer';
if ($length == '1') {
$type[] = 'boolean';
if (preg_match('/^(is|has)/i', $field['column_name'])) {
$type = array_reverse($type);
}
}
break;
case 'varchar':
case 'varchar2':
case 'nvarchar2':
$fixed = false;
case 'char':
case 'nchar':
$type[] = 'string';
if ($length == '1') {
$type[] = 'boolean';
if (preg_match('/^(is|has)/i', $field['column_name'])) {
$type = array_reverse($type);
}
}
if ($fixed !== false) {
$fixed = true;
}
break;
case 'date':
case 'timestamp':
$type[] = 'timestamp';
$length = null;
break;
case 'float':
$type[] = 'float';
break;
case 'number':
if ( ! empty($field['data_scale'])) {
$type[] = 'decimal';
} else {
$type[] = 'integer';
if ((int)$length == '1') {
$type[] = 'boolean';
if (preg_match('/^(is|has)/i', $field['column_name'])) {
$type = array_reverse($type);
} else {
$length = 1; //TINYINT
}
} elseif ( ! is_null($length) && (int)$length <= 3) { // TINYINT
$length = 1;
} elseif ( ! is_null($length) && (int)$length <= 5) { // SMALLINT
$length = 2;
} elseif ( ! is_null($length) && (int)$length <= 8) { // MEDIUMINT
$lenght = 3;
} elseif ( ! is_null($length) && (int)$length <= 10) { // INT
$length = 4;
} elseif ( ! is_null($length) && (int)$length <= 20) { //BIGINT
$length = 8;
}
}
break;
case 'long':
$type[] = 'string';
case 'clob':
case 'nclob':
$type[] = 'clob';
break;
case 'blob':
case 'raw':
case 'long raw':
case 'bfile':
$type[] = 'blob';
$length = null;
break;
case 'rowid':
case 'urowid':
default:
$type[] = $field['type'];
$length = isset($field['length']) ? $field['length']:null;
}
return array('type' => $type,
'length' => $length,
'unsigned' => $unsigned,
'fixed' => $fixed);
}
}
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