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368 lines
15 KiB
PHP
368 lines
15 KiB
PHP
<?php
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// +----------------------------------------------------------------------+
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// | PHP versions 4 and 5 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
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// | Stig. S. Bakken, Lukas Smith |
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// | All rights reserved. |
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// +----------------------------------------------------------------------+
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// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
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// | API as well as database abstraction for PHP applications. |
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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 nor the names of his contributors may be used to endorse |
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// | or promote products derived from this software without specific prior|
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// | 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: Lukas Smith <smith@pooteeweet.org> |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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//
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require_once 'MDB2/Driver/Reverse/Common.php';
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/**
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* MDB2 MySQL driver for the schema reverse engineering module
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*
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* @package MDB2
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* @category Database
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* @author Lukas Smith <smith@pooteeweet.org>
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*/
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class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common
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{
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/**
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* Array for converting MYSQLI_*_FLAG constants to text values
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* @var array
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* @access public
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* @since Property available since Release 1.6.5
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*/
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var $flags = array(
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MYSQLI_NOT_NULL_FLAG => 'not_null',
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MYSQLI_PRI_KEY_FLAG => 'primary_key',
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MYSQLI_UNIQUE_KEY_FLAG => 'unique_key',
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MYSQLI_MULTIPLE_KEY_FLAG => 'multiple_key',
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MYSQLI_BLOB_FLAG => 'blob',
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MYSQLI_UNSIGNED_FLAG => 'unsigned',
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MYSQLI_ZEROFILL_FLAG => 'zerofill',
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MYSQLI_AUTO_INCREMENT_FLAG => 'auto_increment',
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MYSQLI_TIMESTAMP_FLAG => 'timestamp',
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MYSQLI_SET_FLAG => 'set',
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// MYSQLI_NUM_FLAG => 'numeric', // unnecessary
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// MYSQLI_PART_KEY_FLAG => 'multiple_key', // duplicatvie
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MYSQLI_GROUP_FLAG => 'group_by'
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);
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/**
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* Array for converting MYSQLI_TYPE_* constants to text values
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* @var array
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* @access public
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* @since Property available since Release 1.6.5
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*/
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var $types = array(
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MYSQLI_TYPE_DECIMAL => 'decimal',
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MYSQLI_TYPE_TINY => 'tinyint',
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MYSQLI_TYPE_SHORT => 'int',
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MYSQLI_TYPE_LONG => 'int',
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MYSQLI_TYPE_FLOAT => 'float',
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MYSQLI_TYPE_DOUBLE => 'double',
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// MYSQLI_TYPE_NULL => 'DEFAULT NULL', // let flags handle it
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MYSQLI_TYPE_TIMESTAMP => 'timestamp',
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MYSQLI_TYPE_LONGLONG => 'bigint',
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MYSQLI_TYPE_INT24 => 'mediumint',
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MYSQLI_TYPE_DATE => 'date',
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MYSQLI_TYPE_TIME => 'time',
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MYSQLI_TYPE_DATETIME => 'datetime',
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MYSQLI_TYPE_YEAR => 'year',
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MYSQLI_TYPE_NEWDATE => 'date',
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MYSQLI_TYPE_ENUM => 'enum',
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MYSQLI_TYPE_SET => 'set',
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MYSQLI_TYPE_TINY_BLOB => 'tinyblob',
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MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
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MYSQLI_TYPE_LONG_BLOB => 'longblob',
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MYSQLI_TYPE_BLOB => 'blob',
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MYSQLI_TYPE_VAR_STRING => 'varchar',
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MYSQLI_TYPE_STRING => 'char',
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MYSQLI_TYPE_GEOMETRY => 'geometry',
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);
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// {{{ getTableFieldDefinition()
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/**
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* get the stucture of a field into an array
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*
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* @param string $table name of table that should be used in method
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* @param string $field_name name of field that should be used in method
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* @return mixed data array on success, a MDB2 error on failure
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* @access public
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*/
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function getTableFieldDefinition($table, $field_name)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$result = $db->loadModule('Datatype');
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if (PEAR::isError($result)) {
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return $result;
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}
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$columns = $db->queryAll("SHOW COLUMNS FROM $table", null, MDB2_FETCHMODE_ASSOC);
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if (PEAR::isError($columns)) {
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return $columns;
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}
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foreach ($columns as $column) {
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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if ($db->options['field_case'] == CASE_LOWER) {
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$column['field'] = strtolower($column['field']);
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} else {
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$column['field'] = strtoupper($column['field']);
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}
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} else {
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$column = array_change_key_case($column, $db->options['field_case']);
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}
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if ($field_name == $column['field']) {
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list($types, $length) = $db->datatype->mapNativeDatatype($column);
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$notnull = false;
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if (array_key_exists('null', $column) && $column['null'] != 'YES') {
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$notnull = true;
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}
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$default = false;
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if (array_key_exists('default', $column)) {
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$default = $column['default'];
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if (is_null($default) && $notnull) {
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$default = '';
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}
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}
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$autoincrement = false;
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if (array_key_exists('extra', $column) && $column['extra'] == 'auto_increment') {
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$autoincrement = true;
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}
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$definition = array();
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foreach ($types as $key => $type) {
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$definition[$key] = array(
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'type' => $type,
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'notnull' => $notnull,
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);
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if ($length > 0) {
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$definition[$key]['length'] = $length;
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}
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if ($default !== false) {
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$definition[$key]['default'] = $default;
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}
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if ($autoincrement !== false) {
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$definition[$key]['autoincrement'] = $autoincrement;
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}
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}
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return $definition;
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}
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}
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return $db->raiseError(MDB2_ERROR, null, null,
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'getTableFieldDefinition: it was not specified an existing table column');
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}
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// }}}
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// {{{ getTableIndexDefinition()
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/**
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* get the stucture of an index into an array
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*
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* @param string $table name of table that should be used in method
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* @param string $index_name name of index that should be used in method
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* @return mixed data array on success, a MDB2 error on failure
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* @access public
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*/
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function getTableIndexDefinition($table, $index_name)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$result = $db->query("SHOW INDEX FROM $table");
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if (PEAR::isError($result)) {
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return $result;
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}
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$definition = array();
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while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
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if (!($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE)
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|| $db->options['field_case'] != CASE_LOWER
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) {
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$row = array_change_key_case($row, CASE_LOWER);
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}
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$key_name = $row['key_name'];
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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if ($db->options['field_case'] == CASE_LOWER) {
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$key_name = strtolower($key_name);
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} else {
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$key_name = strtoupper($key_name);
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}
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}
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if ($index_name == $key_name) {
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if ($row['key_name'] == 'PRIMARY') {
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$definition['primary'] = true;
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} elseif (!$row['non_unique']) {
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$definition['unique'] = true;
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}
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$column_name = $row['column_name'];
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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if ($db->options['field_case'] == CASE_LOWER) {
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$column_name = strtolower($column_name);
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} else {
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$column_name = strtoupper($column_name);
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}
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}
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$definition['fields'][$column_name] = array();
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if (array_key_exists('collation', $row)) {
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$definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
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? 'ascending' : 'descending');
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}
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}
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}
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$result->free();
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if (!array_key_exists('fields', $definition)) {
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return $db->raiseError(MDB2_ERROR, null, null,
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'getTableIndexDefinition: it was not specified an existing table index');
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}
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return $definition;
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}
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// }}}
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// {{{ tableInfo()
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/**
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* Returns information about a table or a result set
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*
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* @param object|string $result MDB2_result object from a query or a
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* string containing the name of a table.
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* While this also accepts a query result
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* resource identifier, this behavior is
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* deprecated.
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* @param int $mode a valid tableInfo mode
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*
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* @return array an associative array with the information requested.
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* A MDB2_Error object on failure.
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*
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* @see MDB2_Driver_Common::setOption()
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*/
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function tableInfo($result, $mode = null)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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if (is_string($result)) {
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/*
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* Probably received a table name.
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* Create a result resource identifier.
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*/
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$id = $db->_doQuery("SELECT * FROM $result LIMIT 0");
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if (PEAR::isError($id)) {
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return $id;
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}
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$got_string = true;
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} elseif (MDB2::isResultCommon($result)) {
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/*
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* Probably received a result object.
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* Extract the result resource identifier.
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*/
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$id = $result->getResource();
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$got_string = false;
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} else {
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/*
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* Probably received a result resource identifier.
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* Copy it.
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* Deprecated. Here for compatibility only.
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*/
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$id = $result;
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$got_string = false;
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}
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if (!is_a($id, 'mysqli_result')) {
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return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
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}
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if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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if ($db->options['field_case'] == CASE_LOWER) {
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$case_func = 'strtolower';
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} else {
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$case_func = 'strtoupper';
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}
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} else {
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$case_func = 'strval';
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}
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$count = @mysqli_num_fields($id);
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$res = array();
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if ($mode) {
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$res['num_fields'] = $count;
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}
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for ($i = 0; $i < $count; $i++) {
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$tmp = @mysqli_fetch_field($id);
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$flags = '';
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foreach ($this->flags as $const => $means) {
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if ($tmp->flags & $const) {
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$flags.= $means . ' ';
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}
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}
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if ($tmp->def) {
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$flags.= 'default_' . rawurlencode($tmp->def);
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}
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$flags = trim($flags);
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$res[$i] = array(
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'table' => $case_func($tmp->table),
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'name' => $case_func($tmp->name),
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'type' => isset($this->types[$tmp->type])
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? $this->types[$tmp->type]
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: 'unknown',
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'len' => $tmp->max_length,
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'flags' => $flags,
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);
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if ($mode & MDB2_TABLEINFO_ORDER) {
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$res['order'][$res[$i]['name']] = $i;
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}
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if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
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$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
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}
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}
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// free the result only if we were called on a table
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if ($got_string) {
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@mysqli_free_result($id);
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}
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return $res;
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}
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}
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?>
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