231 lines
8.8 KiB
PHP
231 lines
8.8 KiB
PHP
<?php
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/*
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* $Id: Oracle.php 7490 2010-03-29 19:53:27Z jwage $
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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/**
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* @package Doctrine
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* @subpackage DataDict
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @version $Revision: 7490 $
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* @link www.doctrine-project.org
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* @since 1.0
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*/
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class Doctrine_DataDict_Oracle extends Doctrine_DataDict
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{
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/**
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* Obtain DBMS specific SQL code portion needed to declare an text type
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* field to be used in statements like CREATE TABLE.
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*
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* @param array $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getNativeDeclaration(array $field)
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{
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if ( ! isset($field['type'])) {
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throw new Doctrine_DataDict_Exception('Missing column type.');
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}
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switch ($field['type']) {
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case 'enum':
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$field['length'] = isset($field['length']) && $field['length'] ? $field['length']:255;
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case 'string':
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case 'array':
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case 'object':
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case 'gzip':
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case 'char':
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case 'varchar':
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$length = !empty($field['length']) ? $field['length'] : false;
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$fixed = ((isset($field['fixed']) && $field['fixed']) || $field['type'] == 'char') ? true : false;
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$unit = $this->conn->getParam('char_unit');
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$unit = ! is_null($unit) ? ' '.$unit : '';
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if ($length && $length <= $this->conn->getParam('varchar2_max_length')) {
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return $fixed ? 'CHAR('.$length.$unit.')' : 'VARCHAR2('.$length.$unit.')';
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}
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case 'clob':
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return 'CLOB';
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case 'blob':
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return 'BLOB';
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case 'integer':
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case 'int':
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$length = (!empty($field['length'])) ? $field['length'] : false;
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if ( $length && $length <= $this->conn->number_max_precision) {
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if ($length <= 1) {
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return 'NUMBER(3)'; // TINYINT, unsigned max. 256
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} elseif ($length == 2) {
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return 'NUMBER(5)'; // SMALLINT, unsigend max. 65.536
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} elseif ($length == 3) {
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return 'NUMBER(8)'; // MEDIUMINT, unsigned max. 16.777.216
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} elseif ($length == 4) {
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return 'NUMBER(10)'; // INTEGER, unsigend max. 4.294.967.296
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} elseif ($length <= 8) {
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return 'NUMBER(20)'; // BIGINT, unsigend max. 18.446.744.073.709.551.616
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} else {
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return 'INTEGER';
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}
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}
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return 'INTEGER';
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case 'boolean':
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return 'NUMBER(1)';
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case 'date':
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case 'time':
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case 'timestamp':
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return 'DATE';
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case 'float':
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case 'double':
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return 'NUMBER';
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case 'decimal':
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$scale = !empty($field['scale']) ? $field['scale'] : $this->conn->getAttribute(Doctrine_Core::ATTR_DECIMAL_PLACES);
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return 'NUMBER(*,'.$scale.')';
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default:
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}
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return $field['type'] . (isset($field['length']) ? '('.$field['length'].')':null);
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}
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/**
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* Maps a native array description of a field to a doctrine datatype and length
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*
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* @param array $field native field description
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* @return array containing the various possible types, length, sign, fixed
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* @throws Doctrine_DataDict_Oracle_Exception
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*/
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public function getPortableDeclaration(array $field)
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{
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if ( ! isset($field['data_type'])) {
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throw new Doctrine_DataDict_Exception('Native oracle definition must have a data_type key specified');
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}
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$dbType = strtolower($field['data_type']);
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$type = array();
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$length = $unsigned = $fixed = null;
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if ( ! empty($field['data_length'])) {
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$length = (int)$field['data_length'];
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}
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if ( ! isset($field['column_name'])) {
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$field['column_name'] = '';
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}
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switch ($dbType) {
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case 'integer':
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case 'pls_integer':
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case 'binary_integer':
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$type[] = 'integer';
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if ($length == '1') {
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/i', $field['column_name'])) {
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$type = array_reverse($type);
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}
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}
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break;
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case 'varchar':
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case 'varchar2':
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case 'nvarchar2':
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$fixed = false;
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case 'char':
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case 'nchar':
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$type[] = 'string';
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if ($length == '1') {
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/i', $field['column_name'])) {
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$type = array_reverse($type);
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}
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}
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if ($fixed !== false) {
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$fixed = true;
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}
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break;
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case 'date':
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case 'timestamp':
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$type[] = 'timestamp';
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$length = null;
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break;
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case 'float':
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$type[] = 'float';
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break;
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case 'number':
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if ( ! empty($field['data_scale'])) {
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$type[] = 'decimal';
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} else {
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$type[] = 'integer';
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if ((int)$length == '1') {
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/i', $field['column_name'])) {
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$type = array_reverse($type);
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} else {
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$length = 1; //TINYINT
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}
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} elseif ( ! is_null($length) && (int)$length <= 3) { // TINYINT
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$length = 1;
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} elseif ( ! is_null($length) && (int)$length <= 5) { // SMALLINT
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$length = 2;
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} elseif ( ! is_null($length) && (int)$length <= 8) { // MEDIUMINT
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$length = 3;
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} elseif ( ! is_null($length) && (int)$length <= 10) { // INT
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$length = 4;
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} elseif ( ! is_null($length) && (int)$length <= 20) { //BIGINT
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$length = 8;
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}
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}
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break;
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case 'long':
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$type[] = 'string';
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case 'clob':
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case 'nclob':
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$type[] = 'clob';
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break;
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case 'blob':
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case 'raw':
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case 'long raw':
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case 'bfile':
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$type[] = 'blob';
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$length = null;
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break;
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case 'rowid':
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case 'urowid':
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default:
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$type[] = $field['type'];
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$length = isset($field['length']) ? $field['length']:null;
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}
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return array('type' => $type,
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'length' => $length,
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'unsigned' => $unsigned,
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'fixed' => $fixed);
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}
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}
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