625 lines
22 KiB
PHP
625 lines
22 KiB
PHP
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<?php
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/**
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* PHP versions 4 and 5
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*
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* Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,
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* Stig. S. Bakken, Lukas Smith, Igor Feghali
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* All rights reserved.
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*
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* MDB2_Schema enables users to maintain RDBMS independant schema files
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* in XML that can be used to manipulate both data and database schemas
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* This LICENSE is in the BSD license style.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,
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* Lukas Smith, Igor Feghali nor the names of his contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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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
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Author: Igor Feghali <ifeghali@php.net>
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*
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* @category Database
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* @package MDB2_Schema
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* @author Igor Feghali <ifeghali@php.net>
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* @license BSD http://www.opensource.org/licenses/bsd-license.php
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* @version CVS: $Id: Parser2.php,v 1.12 2008/11/30 03:34:00 clockwerx Exp $
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* @link http://pear.php.net/packages/MDB2_Schema
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*/
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require_once 'XML/Unserializer.php';
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require_once 'MDB2/Schema/Validate.php';
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/**
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* Parses an XML schema file
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*
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* @category Database
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* @package MDB2_Schema
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* @author Lukas Smith <smith@pooteeweet.org>
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* @author Igor Feghali <ifeghali@php.net>
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* @license BSD http://www.opensource.org/licenses/bsd-license.php
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* @link http://pear.php.net/packages/MDB2_Schema
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*/
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class MDB2_Schema_Parser2 extends XML_Unserializer
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{
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var $database_definition = array();
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var $database_loaded = array();
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var $variables = array();
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var $error;
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var $structure = false;
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var $val;
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var $options = array();
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var $table = array();
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var $table_name = '';
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var $field = array();
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var $field_name = '';
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var $index = array();
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var $index_name = '';
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var $constraint = array();
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var $constraint_name = '';
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var $sequence = array();
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var $sequence_name = '';
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var $init = array();
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function __construct($variables, $fail_on_invalid_names = true, $structure = false, $valid_types = array(), $force_defaults = true)
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{
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// force ISO-8859-1 due to different defaults for PHP4 and PHP5
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// todo: this probably needs to be investigated some more and cleaned up
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$this->options['encoding'] = 'ISO-8859-1';
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$this->options['XML_UNSERIALIZER_OPTION_ATTRIBUTES_PARSE'] = true;
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$this->options['XML_UNSERIALIZER_OPTION_ATTRIBUTES_ARRAYKEY'] = false;
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$this->options['forceEnum'] = array('table', 'field', 'index', 'foreign', 'insert', 'update', 'delete', 'sequence');
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/*
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* todo: find a way to force the following items not to be parsed as arrays
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* as it cause problems in functions with multiple arguments
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*/
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//$this->options['forceNEnum'] = array('value', 'column');
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$this->variables = $variables;
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$this->structure = $structure;
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$this->val =& new MDB2_Schema_Validate($fail_on_invalid_names, $valid_types, $force_defaults);
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parent::XML_Unserializer($this->options);
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}
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function MDB2_Schema_Parser2($variables, $fail_on_invalid_names = true, $structure = false, $valid_types = array(), $force_defaults = true)
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{
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$this->__construct($variables, $fail_on_invalid_names, $structure, $valid_types, $force_defaults);
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}
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function parse()
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{
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$result = $this->unserialize($this->filename, true);
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if (PEAR::isError($result)) {
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return $result;
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} else {
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$this->database_loaded = $this->getUnserializedData();
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return $this->fixDatabaseKeys($this->database_loaded);
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}
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}
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function setInputFile($filename)
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{
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$this->filename = $filename;
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return MDB2_OK;
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}
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function renameKey(&$arr, $oKey, $nKey)
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{
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$arr[$nKey] = &$arr[$oKey];
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unset($arr[$oKey]);
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}
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function fixDatabaseKeys($database)
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{
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$this->database_definition = array(
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'name' => '',
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'create' => '',
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'overwrite' => '',
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'charset' => '',
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'description' => '',
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'comments' => '',
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'tables' => array(),
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'sequences' => array()
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);
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if (!empty($database['name'])) {
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$this->database_definition['name'] = $database['name'];
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}
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if (!empty($database['create'])) {
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$this->database_definition['create'] = $database['create'];
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}
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if (!empty($database['overwrite'])) {
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$this->database_definition['overwrite'] = $database['overwrite'];
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}
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if (!empty($database['charset'])) {
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$this->database_definition['charset'] = $database['charset'];
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}
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if (!empty($database['description'])) {
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$this->database_definition['description'] = $database['description'];
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}
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if (!empty($database['comments'])) {
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$this->database_definition['comments'] = $database['comments'];
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}
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if (!empty($database['table']) && is_array($database['table'])) {
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foreach ($database['table'] as $table) {
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$this->fixTableKeys($table);
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}
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}
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if (!empty($database['sequence']) && is_array($database['sequence'])) {
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foreach ($database['sequence'] as $sequence) {
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$this->fixSequenceKeys($sequence);
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}
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}
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$result = $this->val->validateDatabase($this->database_definition);
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if (PEAR::isError($result)) {
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return $this->raiseError($result->getUserinfo());
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}
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return MDB2_OK;
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}
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function fixTableKeys($table)
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{
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$this->table = array(
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'was' => '',
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'description' => '',
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'comments' => '',
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'fields' => array(),
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'indexes' => array(),
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'constraints' => array(),
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'initialization' => array()
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);
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if (!empty($table['name'])) {
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$this->table_name = $table['name'];
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} else {
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$this->table_name = '';
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}
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if (!empty($table['was'])) {
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$this->table['was'] = $table['was'];
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}
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if (!empty($table['description'])) {
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$this->table['description'] = $table['description'];
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}
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if (!empty($table['comments'])) {
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$this->table['comments'] = $table['comments'];
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}
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if (!empty($table['declaration']) && is_array($table['declaration'])) {
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if (!empty($table['declaration']['field']) && is_array($table['declaration']['field'])) {
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foreach ($table['declaration']['field'] as $field) {
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$this->fixTableFieldKeys($field);
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}
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}
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if (!empty($table['declaration']['index']) && is_array($table['declaration']['index'])) {
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foreach ($table['declaration']['index'] as $index) {
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$this->fixTableIndexKeys($index);
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}
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}
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if (!empty($table['declaration']['foreign']) && is_array($table['declaration']['foreign'])) {
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foreach ($table['declaration']['foreign'] as $constraint) {
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$this->fixTableConstraintKeys($constraint);
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}
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}
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}
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if (!empty($table['initialization']) && is_array($table['initialization'])) {
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if (!empty($table['initialization']['insert']) && is_array($table['initialization']['insert'])) {
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foreach ($table['initialization']['insert'] as $init) {
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$this->fixTableInitializationKeys($init, 'insert');
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}
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}
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if (!empty($table['initialization']['update']) && is_array($table['initialization']['update'])) {
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foreach ($table['initialization']['update'] as $init) {
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$this->fixTableInitializationKeys($init, 'update');
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}
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}
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if (!empty($table['initialization']['delete']) && is_array($table['initialization']['delete'])) {
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foreach ($table['initialization']['delete'] as $init) {
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$this->fixTableInitializationKeys($init, 'delete');
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}
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}
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}
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$result = $this->val->validateTable($this->database_definition['tables'], $this->table, $this->table_name);
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if (PEAR::isError($result)) {
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return $this->raiseError($result->getUserinfo());
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} else {
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$this->database_definition['tables'][$this->table_name] = $this->table;
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}
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return MDB2_OK;
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}
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function fixTableFieldKeys($field)
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{
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$this->field = array();
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if (!empty($field['name'])) {
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$this->field_name = $field['name'];
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} else {
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$this->field_name = '';
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}
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if (!empty($field['was'])) {
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$this->field['was'] = $field['was'];
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}
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if (!empty($field['type'])) {
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$this->field['type'] = $field['type'];
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}
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if (!empty($field['fixed'])) {
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$this->field['fixed'] = $field['fixed'];
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}
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if (isset($field['default'])) {
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$this->field['default'] = $field['default'];
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}
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if (!empty($field['notnull'])) {
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$this->field['notnull'] = $field['notnull'];
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}
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if (!empty($field['autoincrement'])) {
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$this->field['autoincrement'] = $field['autoincrement'];
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}
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if (!empty($field['unsigned'])) {
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$this->field['unsigned'] = $field['unsigned'];
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}
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if (!empty($field['length'])) {
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$this->field['length'] = $field['length'];
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}
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if (!empty($field['description'])) {
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$this->field['description'] = $field['description'];
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}
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if (!empty($field['comments'])) {
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$this->field['comments'] = $field['comments'];
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}
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$result = $this->val->validateField($this->table['fields'], $this->field, $this->field_name);
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if (PEAR::isError($result)) {
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return $this->raiseError($result->getUserinfo());
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} else {
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$this->table['fields'][$this->field_name] = $this->field;
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}
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return MDB2_OK;
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}
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function fixTableIndexKeys($index)
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{
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$this->index = array(
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'was' => '',
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'unique' =>'',
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'primary' => '',
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'fields' => array()
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);
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if (!empty($index['name'])) {
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$this->index_name = $index['name'];
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} else {
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$this->index_name = '';
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}
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if (!empty($index['was'])) {
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$this->index['was'] = $index['was'];
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}
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if (!empty($index['unique'])) {
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$this->index['unique'] = $index['unique'];
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}
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if (!empty($index['primary'])) {
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$this->index['primary'] = $index['primary'];
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}
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if (!empty($index['field'])) {
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foreach ($index['field'] as $field) {
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if (!empty($field['name'])) {
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$this->field_name = $field['name'];
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} else {
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$this->field_name = '';
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}
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$this->field = array(
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'sorting' => '',
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'length' => ''
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);
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if (!empty($field['sorting'])) {
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$this->field['sorting'] = $field['sorting'];
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}
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if (!empty($field['length'])) {
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$this->field['length'] = $field['length'];
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}
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$result = $this->val->validateIndexField($this->index['fields'], $this->field, $this->field_name);
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if (PEAR::isError($result)) {
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return $this->raiseError($result->getUserinfo());
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}
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$this->index['fields'][$this->field_name] = $this->field;
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}
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}
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|
||
|
|
$result = $this->val->validateIndex($this->table['indexes'], $this->index, $this->index_name);
|
||
|
|
if (PEAR::isError($result)) {
|
||
|
|
return $this->raiseError($result->getUserinfo());
|
||
|
|
} else {
|
||
|
|
$this->table['indexes'][$this->index_name] = $this->index;
|
||
|
|
}
|
||
|
|
|
||
|
|
return MDB2_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
function fixTableConstraintKeys($constraint)
|
||
|
|
{
|
||
|
|
$this->constraint = array(
|
||
|
|
'was' => '',
|
||
|
|
'match' => '',
|
||
|
|
'ondelete' => '',
|
||
|
|
'onupdate' => '',
|
||
|
|
'deferrable' => '',
|
||
|
|
'initiallydeferred' => '',
|
||
|
|
'foreign' => true,
|
||
|
|
'fields' => array(),
|
||
|
|
'references' => array('table' => '', 'fields' => array())
|
||
|
|
);
|
||
|
|
|
||
|
|
if (!empty($constraint['name'])) {
|
||
|
|
$this->constraint_name = $constraint['name'];
|
||
|
|
} else {
|
||
|
|
$this->constraint_name = '';
|
||
|
|
}
|
||
|
|
if (!empty($constraint['was'])) {
|
||
|
|
$this->constraint['was'] = $constraint['was'];
|
||
|
|
}
|
||
|
|
if (!empty($constraint['match'])) {
|
||
|
|
$this->constraint['match'] = $constraint['match'];
|
||
|
|
}
|
||
|
|
if (!empty($constraint['ondelete'])) {
|
||
|
|
$this->constraint['ondelete'] = $constraint['ondelete'];
|
||
|
|
}
|
||
|
|
if (!empty($constraint['onupdate'])) {
|
||
|
|
$this->constraint['onupdate'] = $constraint['onupdate'];
|
||
|
|
}
|
||
|
|
if (!empty($constraint['deferrable'])) {
|
||
|
|
$this->constraint['deferrable'] = $constraint['deferrable'];
|
||
|
|
}
|
||
|
|
if (!empty($constraint['initiallydeferred'])) {
|
||
|
|
$this->constraint['initiallydeferred'] = $constraint['initiallydeferred'];
|
||
|
|
}
|
||
|
|
if (!empty($constraint['field']) && is_array($constraint['field'])) {
|
||
|
|
foreach ($constraint['field'] as $field) {
|
||
|
|
$result = $this->val->validateConstraintField($this->constraint['fields'], $field);
|
||
|
|
if (PEAR::isError($result)) {
|
||
|
|
return $this->raiseError($result->getUserinfo());
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->constraint['fields'][$field] = '';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($constraint['references']) && is_array($constraint['references'])) {
|
||
|
|
/**
|
||
|
|
* As we forced 'table' to be enumerated
|
||
|
|
* we have to fix it on the foreign-references-table context
|
||
|
|
*/
|
||
|
|
if (!empty($constraint['references']['table']) && is_array($constraint['references']['table'])) {
|
||
|
|
$this->constraint['references']['table'] = $constraint['references']['table'][0];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($constraint['references']['field']) && is_array($constraint['references']['field'])) {
|
||
|
|
foreach ($constraint['references']['field'] as $field) {
|
||
|
|
$result = $this->val->validateConstraintReferencedField($this->constraint['references']['fields'], $field);
|
||
|
|
if (PEAR::isError($result)) {
|
||
|
|
return $this->raiseError($result->getUserinfo());
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->constraint['references']['fields'][$field] = '';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = $this->val->validateConstraint($this->table['constraints'], $this->constraint, $this->constraint_name);
|
||
|
|
if (PEAR::isError($result)) {
|
||
|
|
return $this->raiseError($result->getUserinfo());
|
||
|
|
} else {
|
||
|
|
$this->table['constraints'][$this->constraint_name] = $this->constraint;
|
||
|
|
}
|
||
|
|
|
||
|
|
return MDB2_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
function fixTableInitializationKeys($element, $type = '')
|
||
|
|
{
|
||
|
|
if (!empty($element['select']) && is_array($element['select'])) {
|
||
|
|
$this->fixTableInitializationDataKeys($element['select']);
|
||
|
|
$this->init = array( 'select' => $this->init );
|
||
|
|
} else {
|
||
|
|
$this->fixTableInitializationDataKeys($element);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->table['initialization'][] = array( 'type' => $type, 'data' => $this->init );
|
||
|
|
}
|
||
|
|
|
||
|
|
function fixTableInitializationDataKeys($element)
|
||
|
|
{
|
||
|
|
$this->init = array();
|
||
|
|
if (!empty($element['field']) && is_array($element['field'])) {
|
||
|
|
foreach ($element['field'] as $field) {
|
||
|
|
$name = $field['name'];
|
||
|
|
unset($field['name']);
|
||
|
|
|
||
|
|
$this->setExpression($field);
|
||
|
|
$this->init['field'][] = array( 'name' => $name, 'group' => $field );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* As we forced 'table' to be enumerated
|
||
|
|
* we have to fix it on the insert-select context
|
||
|
|
*/
|
||
|
|
if (!empty($element['table']) && is_array($element['table'])) {
|
||
|
|
$this->init['table'] = $element['table'][0];
|
||
|
|
}
|
||
|
|
if (!empty($element['where']) && is_array($element['where'])) {
|
||
|
|
$this->init['where'] = $element['where'];
|
||
|
|
$this->setExpression($this->init['where']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function setExpression(&$arr)
|
||
|
|
{
|
||
|
|
$element = each($arr);
|
||
|
|
|
||
|
|
$arr = array( 'type' => $element['key'] );
|
||
|
|
|
||
|
|
$element = $element['value'];
|
||
|
|
|
||
|
|
switch ($arr['type']) {
|
||
|
|
case 'null':
|
||
|
|
break;
|
||
|
|
case 'value':
|
||
|
|
case 'column':
|
||
|
|
$arr['data'] = $element;
|
||
|
|
break;
|
||
|
|
case 'function':
|
||
|
|
if (!empty($element)
|
||
|
|
&& is_array($element)
|
||
|
|
) {
|
||
|
|
$arr['data'] = array( 'name' => $element['name'] );
|
||
|
|
unset($element['name']);
|
||
|
|
|
||
|
|
foreach ($element as $type => $value) {
|
||
|
|
if (!empty($value)) {
|
||
|
|
if (is_array($value)) {
|
||
|
|
foreach ($value as $argument) {
|
||
|
|
$argument = array( $type => $argument );
|
||
|
|
$this->setExpression($argument);
|
||
|
|
$arr['data']['arguments'][] = $argument;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$arr['data']['arguments'][] = array( 'type' => $type, 'data' => $value );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'expression':
|
||
|
|
$arr['data'] = array( 'operants' => array(), 'operator' => $element['operator'] );
|
||
|
|
unset($element['operator']);
|
||
|
|
|
||
|
|
foreach ($element as $k => $v) {
|
||
|
|
$argument = array( $k => $v );
|
||
|
|
$this->setExpression($argument);
|
||
|
|
$arr['data']['operants'][] = $argument;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function fixSequenceKeys($sequence)
|
||
|
|
{
|
||
|
|
$this->sequence = array(
|
||
|
|
'was' => '',
|
||
|
|
'start' => '',
|
||
|
|
'description' => '',
|
||
|
|
'comments' => '',
|
||
|
|
'on' => array('table' => '', 'field' => '')
|
||
|
|
);
|
||
|
|
|
||
|
|
if (!empty($sequence['name'])) {
|
||
|
|
$this->sequence_name = $sequence['name'];
|
||
|
|
} else {
|
||
|
|
$this->sequence_name = '';
|
||
|
|
}
|
||
|
|
if (!empty($sequence['was'])) {
|
||
|
|
$this->sequence['was'] = $sequence['was'];
|
||
|
|
}
|
||
|
|
if (!empty($sequence['start'])) {
|
||
|
|
$this->sequence['start'] = $sequence['start'];
|
||
|
|
}
|
||
|
|
if (!empty($sequence['description'])) {
|
||
|
|
$this->sequence['description'] = $sequence['description'];
|
||
|
|
}
|
||
|
|
if (!empty($sequence['comments'])) {
|
||
|
|
$this->sequence['comments'] = $sequence['comments'];
|
||
|
|
}
|
||
|
|
if (!empty($sequence['on']) && is_array($sequence['on'])) {
|
||
|
|
/**
|
||
|
|
* As we forced 'table' to be enumerated
|
||
|
|
* we have to fix it on the sequence-on-table context
|
||
|
|
*/
|
||
|
|
if (!empty($sequence['on']['table']) && is_array($sequence['on']['table'])) {
|
||
|
|
$this->sequence['on']['table'] = $sequence['on']['table'][0];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* As we forced 'field' to be enumerated
|
||
|
|
* we have to fix it on the sequence-on-field context
|
||
|
|
*/
|
||
|
|
if (!empty($sequence['on']['field']) && is_array($sequence['on']['field'])) {
|
||
|
|
$this->sequence['on']['field'] = $sequence['on']['field'][0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = $this->val->validateSequence($this->database_definition['sequences'], $this->sequence, $this->sequence_name);
|
||
|
|
if (PEAR::isError($result)) {
|
||
|
|
return $this->raiseError($result->getUserinfo());
|
||
|
|
} else {
|
||
|
|
$this->database_definition['sequences'][$this->sequence_name] = $this->sequence;
|
||
|
|
}
|
||
|
|
|
||
|
|
return MDB2_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
function &raiseError($msg = null, $ecode = MDB2_SCHEMA_ERROR_PARSE)
|
||
|
|
{
|
||
|
|
if (is_null($this->error)) {
|
||
|
|
$error = 'Parser error: '.$msg."\n";
|
||
|
|
|
||
|
|
$this->error =& MDB2_Schema::raiseError($ecode, null, null, $error);
|
||
|
|
}
|
||
|
|
return $this->error;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|