111 lines
4.5 KiB
PHP
111 lines
4.5 KiB
PHP
<?php
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/*
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* $Id$
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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.phpdoctrine.com>.
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*/
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Doctrine::autoload('Doctrine_DataDict');
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/**
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* @package Doctrine
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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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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @version $Revision$
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* @category Object Relational Mapping
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* @link www.phpdoctrine.com
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* @since 1.0
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*/
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class Doctrine_DataDict_Informix 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 $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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*
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getNativeDeclaration($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 'char':
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case 'varchar':
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case 'array':
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case 'object':
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case 'string':
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if (empty($field['length']) && array_key_exists('default', $field)) {
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$field['length'] = $this->conn->varchar_max_length;
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}
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$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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return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')
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: ($length ? 'VARCHAR('.$length.')' : 'NVARCHAR');
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case 'clob':
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return 'TEXT';
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case 'blob':
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return 'BLOB';
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case 'integer':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 1) {
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return 'SMALLINT';
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} elseif ($length == 2) {
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return 'SMALLINT';
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} elseif ($length == 3 || $length == 4) {
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return 'INTEGER';
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} elseif ($length > 4) {
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return 'DECIMAL(20)';
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}
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}
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return 'INT';
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case 'boolean':
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return 'SMALLINT';
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case 'date':
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return 'DATE';
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case 'time':
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return 'DATETIME YEAR TO SECOND';
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case 'timestamp':
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return 'DATETIME';
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case 'float':
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return 'FLOAT';
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case 'decimal':
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return 'DECIMAL';
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}
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throw new Doctrine_DataDict_Exception('Unknown field type \'' . $field['type'] . '\'.');
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}
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}
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