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+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MySQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Reverse_mysql extends MDB2_Driver_Reverse_Common
+{
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * get the stucture of a field into an array
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype');
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $columns = $db->queryAll("SHOW COLUMNS FROM $table", null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($columns)) {
+ return $columns;
+ }
+ foreach ($columns as $column) {
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column['field'] = strtolower($column['field']);
+ } else {
+ $column['field'] = strtoupper($column['field']);
+ }
+ } else {
+ $column = array_change_key_case($column, $db->options['field_case']);
+ }
+ if ($field_name == $column['field']) {
+ list($types, $length) = $db->datatype->mapNativeDatatype($column);
+ $notnull = false;
+ if (array_key_exists('null', $column) && $column['null'] != 'YES') {
+ $notnull = true;
+ }
+ $default = false;
+ if (array_key_exists('default', $column)) {
+ $default = $column['default'];
+ if (is_null($default) && $notnull) {
+ $default = '';
+ }
+ }
+ $autoincrement = false;
+ if (array_key_exists('extra', $column) && $column['extra'] == 'auto_increment') {
+ $autoincrement = true;
+ }
+ $definition = array();
+ foreach ($types as $key => $type) {
+ $definition[$key] = array(
+ 'type' => $type,
+ 'notnull' => $notnull,
+ );
+ if ($length > 0) {
+ $definition[$key]['length'] = $length;
+ }
+ if ($default !== false) {
+ $definition[$key]['default'] = $default;
+ }
+ if ($autoincrement !== false) {
+ $definition[$key]['autoincrement'] = $autoincrement;
+ }
+ }
+ return $definition;
+ }
+ }
+
+ return $db->raiseError(MDB2_ERROR, null, null,
+ 'getTableFieldDefinition: it was not specified an existing table column');
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * get the stucture of an index into an array
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table, $index_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->query("SHOW INDEX FROM $table");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $definition = array();
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ if (!($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE)
+ || $db->options['field_case'] != CASE_LOWER
+ ) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ }
+ $key_name = $row['key_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ } else {
+ $key_name = strtoupper($key_name);
+ }
+ }
+ if ($index_name == $key_name) {
+ if ($row['key_name'] == 'PRIMARY') {
+ $definition['primary'] = true;
+ } elseif (!$row['non_unique']) {
+ $definition['unique'] = true;
+ }
+ $column_name = $row['column_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array();
+ if (array_key_exists('collation', $row)) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+ ? 'ascending' : 'descending');
+ }
+ }
+ }
+ $result->free();
+ if (!array_key_exists('fields', $definition)) {
+ return $db->raiseError(MDB2_ERROR, null, null,
+ 'getTableIndexDefinition: it was not specified an existing table index');
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::setOption()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (is_string($result)) {
+ /*
+ * Probably received a table name.
+ * Create a result resource identifier.
+ */
+ $connected = $db->connect();
+ if (PEAR::isError($connected)) {
+ return $connected;
+ }
+ $id = @mysql_list_fields($db->database_name, $result, $db->connection);
+ $got_string = true;
+ } elseif (MDB2::isResultCommon($result)) {
+ /*
+ * Probably received a result object.
+ * Extract the result resource identifier.
+ */
+ $id = $result->getResource();
+ $got_string = false;
+ } else {
+ /*
+ * Probably received a result resource identifier.
+ * Copy it.
+ * Deprecated. Here for compatibility only.
+ */
+ $id = $result;
+ $got_string = false;
+ }
+
+ if (!is_resource($id)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @mysql_num_fields($id);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ for ($i = 0; $i < $count; $i++) {
+ $res[$i] = array(
+ 'table' => $case_func(@mysql_field_table($id, $i)),
+ 'name' => $case_func(@mysql_field_name($id, $i)),
+ 'type' => @mysql_field_type($id, $i),
+ 'len' => @mysql_field_len($id, $i),
+ 'flags' => @mysql_field_flags($id, $i),
+ );
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ // free the result only if we were called on a table
+ if ($got_string) {
+ @mysql_free_result($id);
+ }
+ return $res;
+ }
+}
+?> \ No newline at end of file
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