- Add support for MDB2's 'sqlsrv' driver (#1486395)

1 files changed, 599 insertions, 577 deletions

diff --git a/program/lib/MDB2/Driver/Reverse/mysqli.php b/program/lib/MDB2/Driver/Reverse/mysqli.php
index 741fac059..4ad52b16c 100644
--- a/program/lib/MDB2/Driver/Reverse/mysqli.php
+++ b/program/lib/MDB2/Driver/Reverse/mysqli.php
@@ -1,578 +1,600 @@
-<?php

-// +----------------------------------------------------------------------+

-// | PHP versions 4 and 5                                                 |

-// +----------------------------------------------------------------------+

-// | Copyright (c) 1998-2007 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: mysqli.php,v 1.69 2007/11/25 13:38:29 quipo Exp $

-//

-

-require_once 'MDB2/Driver/Reverse/Common.php';

-

-/**

- * MDB2 MySQLi driver for the schema reverse engineering module

- *

- * @package MDB2

- * @category Database

- * @author  Lukas Smith <smith@pooteeweet.org>

- * @author  Lorenzo Alberton <l.alberton@quipo.it>

- */

-class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common

-{

-    /**

-     * Array for converting MYSQLI_*_FLAG constants to text values

-     * @var    array

-     * @access public

-     */

-    var $flags = array(

-        MYSQLI_NOT_NULL_FLAG        => 'not_null',

-        MYSQLI_PRI_KEY_FLAG         => 'primary_key',

-        MYSQLI_UNIQUE_KEY_FLAG      => 'unique_key',

-        MYSQLI_MULTIPLE_KEY_FLAG    => 'multiple_key',

-        MYSQLI_BLOB_FLAG            => 'blob',

-        MYSQLI_UNSIGNED_FLAG        => 'unsigned',

-        MYSQLI_ZEROFILL_FLAG        => 'zerofill',

-        MYSQLI_AUTO_INCREMENT_FLAG  => 'auto_increment',

-        MYSQLI_TIMESTAMP_FLAG       => 'timestamp',

-        MYSQLI_SET_FLAG             => 'set',

-        // MYSQLI_NUM_FLAG             => 'numeric',  // unnecessary

-        // MYSQLI_PART_KEY_FLAG        => 'multiple_key',  // duplicatvie

-        MYSQLI_GROUP_FLAG           => 'group_by'

-    );

-

-    /**

-     * Array for converting MYSQLI_TYPE_* constants to text values

-     * @var    array

-     * @access public

-     */

-    var $types = array(

-        MYSQLI_TYPE_DECIMAL     => 'decimal',

-        246                     => 'decimal',

-        MYSQLI_TYPE_TINY        => 'tinyint',

-        MYSQLI_TYPE_SHORT       => 'int',

-        MYSQLI_TYPE_LONG        => 'int',

-        MYSQLI_TYPE_FLOAT       => 'float',

-        MYSQLI_TYPE_DOUBLE      => 'double',

-        // MYSQLI_TYPE_NULL        => 'DEFAULT NULL',  // let flags handle it

-        MYSQLI_TYPE_TIMESTAMP   => 'timestamp',

-        MYSQLI_TYPE_LONGLONG    => 'bigint',

-        MYSQLI_TYPE_INT24       => 'mediumint',

-        MYSQLI_TYPE_DATE        => 'date',

-        MYSQLI_TYPE_TIME        => 'time',

-        MYSQLI_TYPE_DATETIME    => 'datetime',

-        MYSQLI_TYPE_YEAR        => 'year',

-        MYSQLI_TYPE_NEWDATE     => 'date',

-        MYSQLI_TYPE_ENUM        => 'enum',

-        MYSQLI_TYPE_SET         => 'set',

-        MYSQLI_TYPE_TINY_BLOB   => 'tinyblob',

-        MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',

-        MYSQLI_TYPE_LONG_BLOB   => 'longblob',

-        MYSQLI_TYPE_BLOB        => 'blob',

-        MYSQLI_TYPE_VAR_STRING  => 'varchar',

-        MYSQLI_TYPE_STRING      => 'char',

-        MYSQLI_TYPE_GEOMETRY    => 'geometry',

-    );

-

-    // {{{ getTableFieldDefinition()

-

-    /**

-     * Get the structure of a field into an array

-     *

-     * @param string $table_name 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_name, $field_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $result = $db->loadModule('Datatype', null, true);

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);

-        $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($columns)) {

-            return $columns;

-        }

-        foreach ($columns as $column) {

-            $column = array_change_key_case($column, CASE_LOWER);

-            $column['name'] = $column['field'];

-            unset($column['field']);

-            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']);

-                }

-            } else {

-                $column = array_change_key_case($column, $db->options['field_case']);

-            }

-            if ($field_name == $column['name']) {

-                $mapped_datatype = $db->datatype->mapNativeDatatype($column);

-                if (PEAR::isError($mapped_datatype)) {

-                    return $mapped_datatype;

-                }

-                list($types, $length, $unsigned, $fixed) = $mapped_datatype;

-                $notnull = false;

-                if (empty($column['null']) || $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 (!empty($column['extra']) && $column['extra'] == 'auto_increment') {

-                    $autoincrement = true;

-                }

-                $collate = null;

-                if (!empty($column['collation'])) {

-                    $collate = $column['collation'];

-                    $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);

-                }

-

-                $definition[0] = array(

-                    'notnull' => $notnull,

-                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])

-                );

-                if (!is_null($length)) {

-                    $definition[0]['length'] = $length;

-                }

-                if (!is_null($unsigned)) {

-                    $definition[0]['unsigned'] = $unsigned;

-                }

-                if (!is_null($fixed)) {

-                    $definition[0]['fixed'] = $fixed;

-                }

-                if ($default !== false) {

-                    $definition[0]['default'] = $default;

-                }

-                if ($autoincrement !== false) {

-                    $definition[0]['autoincrement'] = $autoincrement;

-                }

-                if (!is_null($collate)) {

-                    $definition[0]['collate'] = $collate;

-                    $definition[0]['charset'] = $charset;

-                }

-                foreach ($types as $key => $type) {

-                    $definition[$key] = $definition[0];

-                    if ($type == 'clob' || $type == 'blob') {

-                        unset($definition[$key]['default']);

-                    } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {

-                        $definition[$key]['default'] = '0000-00-00 00:00:00';

-                    }

-                    $definition[$key]['type'] = $type;

-                    $definition[$key]['mdb2type'] = $type;

-                }

-                return $definition;

-            }

-        }

-

-        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-            'it was not specified an existing table column', __FUNCTION__);

-    }

-

-    // }}}

-    // {{{ getTableIndexDefinition()

-

-    /**

-     * Get the structure of an index into an array

-     *

-     * @param string $table_name 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_name, $index_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";

-        $index_name_mdb2 = $db->getIndexName($index_name);

-        $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));

-        if (!PEAR::isError($result) && !is_null($result)) {

-            // apply 'idxname_format' only if the query succeeded, otherwise

-            // fallback to the given $index_name, without transformation

-            $index_name = $index_name_mdb2;

-        }

-        $result = $db->query(sprintf($query, $db->quote($index_name)));

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $colpos = 1;

-        $definition = array();

-        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {

-            $row = array_change_key_case($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['non_unique']) {

-                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                        $index_name . ' is not an existing table index', __FUNCTION__);

-                }

-                $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(

-                    'position' => $colpos++

-                );

-                if (!empty($row['collation'])) {

-                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'

-                        ? 'ascending' : 'descending');

-                }

-            }

-        }

-        $result->free();

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $index_name . ' is not an existing table index', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTableConstraintDefinition()

-

-    /**

-     * Get the structure of a constraint into an array

-     *

-     * @param string $table_name      name of table that should be used in method

-     * @param string $constraint_name name of constraint that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTableConstraintDefinition($table_name, $constraint_name)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        list($schema, $table) = $this->splitTableSchema($table_name);

-        $constraint_name_original = $constraint_name;

-

-        $table = $db->quoteIdentifier($table, true);

-        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";

-        if (strtolower($constraint_name) != 'primary') {

-            $constraint_name_mdb2 = $db->getIndexName($constraint_name);

-            $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));

-            if (!PEAR::isError($result) && !is_null($result)) {

-                // apply 'idxname_format' only if the query succeeded, otherwise

-                // fallback to the given $index_name, without transformation

-                $constraint_name = $constraint_name_mdb2;

-            }

-        }

-        $result = $db->query(sprintf($query, $db->quote($constraint_name)));

-        if (PEAR::isError($result)) {

-            return $result;

-        }

-        $colpos = 1;

-        //default values, eventually overridden

-        $definition = array(

-            'primary' => false,

-            'unique'  => false,

-            'foreign' => false,

-            'check'   => false,

-            'fields'  => array(),

-            'references' => array(

-                'table'  => '',

-                'fields' => array(),

-            ),

-            'onupdate'  => '',

-            'ondelete'  => '',

-            'match'     => '',

-            'deferrable'        => false,

-            'initiallydeferred' => false,

-        );

-        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {

-            $row = array_change_key_case($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 ($constraint_name == $key_name) {

-                if ($row['non_unique']) {

-                    //FOREIGN KEY?

-                    $query = 'SHOW CREATE TABLE '. $db->escape($table);

-                    $constraint = $db->queryOne($query, 'text', 1);

-                    if (!PEAR::isError($constraint) && !empty($constraint)) {

-                        if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {

-                            if ($db->options['field_case'] == CASE_LOWER) {

-                                $constraint = strtolower($constraint);

-                            } else {

-                                $constraint = strtoupper($constraint);

-                            }

-                        }

-                        $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';

-                        if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {

-                            //fallback to original constraint name

-                            $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';

-                        }

-                        if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {

-                            $definition['foreign'] = true;

-                            $column_names = explode(',', $matches[1]);

-                            $referenced_cols = explode(',', $matches[3]);

-                            $definition['references'] = array(

-                                'table'  => $matches[2],

-                                'fields' => array(),

-                            );

-                            $colpos = 1;

-                            foreach ($column_names as $column_name) {

-                                $definition['fields'][trim($column_name)] = array(

-                                    'position' => $colpos++

-                                );

-                            }

-                            $colpos = 1;

-                            foreach ($referenced_cols as $column_name) {

-                                $definition['references']['fields'][trim($column_name)] = array(

-                                    'position' => $colpos++

-                                );

-                            }

-                            $definition['onupdate'] = 'NO ACTION';

-                            $definition['ondelete'] = 'NO ACTION';

-                            $definition['match']    = 'SIMPLE';

-                            return $definition;

-                        }

-                    }

-

-                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                        $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-                }

-                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(

-                    'position' => $colpos++

-                );

-                if (!empty($row['collation'])) {

-                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'

-                        ? 'ascending' : 'descending');

-                }

-            }

-        }

-        $result->free();

-        if (empty($definition['fields'])) {

-            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,

-                $constraint_name . ' is not an existing table constraint', __FUNCTION__);

-        }

-        return $definition;

-    }

-

-    // }}}

-    // {{{ getTriggerDefinition()

-

-    /**

-     * Get the structure of a trigger into an array

-     *

-     * EXPERIMENTAL

-     *

-     * WARNING: this function is experimental and may change the returned value

-     * at any time until labelled as non-experimental

-     *

-     * @param string    $trigger    name of trigger that should be used in method

-     * @return mixed data array on success, a MDB2 error on failure

-     * @access public

-     */

-    function getTriggerDefinition($trigger)

-    {

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $query = 'SELECT trigger_name,

-                         event_object_table AS table_name,

-                         action_statement AS trigger_body,

-                         action_timing AS trigger_type,

-                         event_manipulation AS trigger_event

-                    FROM information_schema.triggers

-                   WHERE trigger_name = '. $db->quote($trigger, 'text');

-        $types = array(

-            'trigger_name'    => 'text',

-            'table_name'      => 'text',

-            'trigger_body'    => 'text',

-            'trigger_type'    => 'text',

-            'trigger_event'   => 'text',

-        );

-        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);

-        if (PEAR::isError($def)) {

-            return $def;

-        }

-        $def['trigger_comment'] = '';

-        $def['trigger_enabled'] = true;

-        return $def;

-    }

-

-    // }}}

-    // {{{ 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)

-    {

-        if (is_string($result)) {

-           return parent::tableInfo($result, $mode);

-        }

-

-        $db =& $this->getDBInstance();

-        if (PEAR::isError($db)) {

-            return $db;

-        }

-

-        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;

-        if (!is_object($resource)) {

-            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,

-                'Could not generate result resource', __FUNCTION__);

-        }

-

-        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';

-        }

-

-        $count = @mysqli_num_fields($resource);

-        $res = array();

-        if ($mode) {

-            $res['num_fields'] = $count;

-        }

-

-        $db->loadModule('Datatype', null, true);

-        for ($i = 0; $i < $count; $i++) {

-            $tmp = @mysqli_fetch_field($resource);

-

-            $flags = '';

-            foreach ($this->flags as $const => $means) {

-                if ($tmp->flags & $const) {

-                    $flags.= $means . ' ';

-                }

-            }

-            if ($tmp->def) {

-                $flags.= 'default_' . rawurlencode($tmp->def);

-            }

-            $flags = trim($flags);

-

-            $res[$i] = array(

-                'table'  => $case_func($tmp->table),

-                'name'   => $case_func($tmp->name),

-                'type'   => isset($this->types[$tmp->type])

-                    ? $this->types[$tmp->type] : 'unknown',

-                // http://bugs.php.net/?id=36579

-                'length' => $tmp->length,

-                'flags'  => $flags,

-            );

-            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);

-            if (PEAR::isError($mdb2type_info)) {

-               return $mdb2type_info;

-            }

-            $res[$i]['mdb2type'] = $mdb2type_info[0][0];

-            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;

-            }

-        }

-

-        return $res;

-    }

-}

+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 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: mysqli.php 292715 2009-12-28 14:06:34Z quipo $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MySQLi driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@pooteeweet.org>
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common
+{
+    /**
+     * Array for converting MYSQLI_*_FLAG constants to text values
+     * @var    array
+     * @access public
+     */
+    var $flags = array(
+        MYSQLI_NOT_NULL_FLAG        => 'not_null',
+        MYSQLI_PRI_KEY_FLAG         => 'primary_key',
+        MYSQLI_UNIQUE_KEY_FLAG      => 'unique_key',
+        MYSQLI_MULTIPLE_KEY_FLAG    => 'multiple_key',
+        MYSQLI_BLOB_FLAG            => 'blob',
+        MYSQLI_UNSIGNED_FLAG        => 'unsigned',
+        MYSQLI_ZEROFILL_FLAG        => 'zerofill',
+        MYSQLI_AUTO_INCREMENT_FLAG  => 'auto_increment',
+        MYSQLI_TIMESTAMP_FLAG       => 'timestamp',
+        MYSQLI_SET_FLAG             => 'set',
+        // MYSQLI_NUM_FLAG             => 'numeric',  // unnecessary
+        // MYSQLI_PART_KEY_FLAG        => 'multiple_key',  // duplicatvie
+        MYSQLI_GROUP_FLAG           => 'group_by'
+    );
+
+    /**
+     * Array for converting MYSQLI_TYPE_* constants to text values
+     * @var    array
+     * @access public
+     */
+    var $types = array(
+        MYSQLI_TYPE_DECIMAL     => 'decimal',
+        246                     => 'decimal',
+        MYSQLI_TYPE_TINY        => 'tinyint',
+        MYSQLI_TYPE_SHORT       => 'int',
+        MYSQLI_TYPE_LONG        => 'int',
+        MYSQLI_TYPE_FLOAT       => 'float',
+        MYSQLI_TYPE_DOUBLE      => 'double',
+        // MYSQLI_TYPE_NULL        => 'DEFAULT NULL',  // let flags handle it
+        MYSQLI_TYPE_TIMESTAMP   => 'timestamp',
+        MYSQLI_TYPE_LONGLONG    => 'bigint',
+        MYSQLI_TYPE_INT24       => 'mediumint',
+        MYSQLI_TYPE_DATE        => 'date',
+        MYSQLI_TYPE_TIME        => 'time',
+        MYSQLI_TYPE_DATETIME    => 'datetime',
+        MYSQLI_TYPE_YEAR        => 'year',
+        MYSQLI_TYPE_NEWDATE     => 'date',
+        MYSQLI_TYPE_ENUM        => 'enum',
+        MYSQLI_TYPE_SET         => 'set',
+        MYSQLI_TYPE_TINY_BLOB   => 'tinyblob',
+        MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
+        MYSQLI_TYPE_LONG_BLOB   => 'longblob',
+        MYSQLI_TYPE_BLOB        => 'blob',
+        MYSQLI_TYPE_VAR_STRING  => 'varchar',
+        MYSQLI_TYPE_STRING      => 'char',
+        MYSQLI_TYPE_GEOMETRY    => 'geometry',
+    );
+
+    // {{{ getTableFieldDefinition()
+
+    /**
+     * Get the structure of a field into an array
+     *
+     * @param string $table_name 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_name, $field_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $result = $db->loadModule('Datatype', null, true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);
+        $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($columns)) {
+            return $columns;
+        }
+        foreach ($columns as $column) {
+            $column = array_change_key_case($column, CASE_LOWER);
+            $column['name'] = $column['field'];
+            unset($column['field']);
+            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']);
+                }
+            } else {
+                $column = array_change_key_case($column, $db->options['field_case']);
+            }
+            if ($field_name == $column['name']) {
+                $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+                if (PEAR::isError($mapped_datatype)) {
+                    return $mapped_datatype;
+                }
+                list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+                $notnull = false;
+                if (empty($column['null']) || $column['null'] !== 'YES') {
+                    $notnull = true;
+                }
+                $default = false;
+                if (array_key_exists('default', $column)) {
+                    $default = $column['default'];
+                    if ((null === $default) && $notnull) {
+                        $default = '';
+                    }
+                }
+                $autoincrement = false;
+                if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {
+                    $autoincrement = true;
+                }
+                $collate = null;
+                if (!empty($column['collation'])) {
+                    $collate = $column['collation'];
+                    $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
+                }
+
+                $definition[0] = array(
+                    'notnull' => $notnull,
+                    'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+                );
+                if (null !== $length) {
+                    $definition[0]['length'] = $length;
+                }
+                if (null !== $unsigned) {
+                    $definition[0]['unsigned'] = $unsigned;
+                }
+                if (null !== $fixed) {
+                    $definition[0]['fixed'] = $fixed;
+                }
+                if ($default !== false) {
+                    $definition[0]['default'] = $default;
+                }
+                if ($autoincrement !== false) {
+                    $definition[0]['autoincrement'] = $autoincrement;
+                }
+                if (null !== $collate) {
+                    $definition[0]['collate'] = $collate;
+                    $definition[0]['charset'] = $charset;
+                }
+                foreach ($types as $key => $type) {
+                    $definition[$key] = $definition[0];
+                    if ($type == 'clob' || $type == 'blob') {
+                        unset($definition[$key]['default']);
+                    } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {
+                        $definition[$key]['default'] = '0000-00-00 00:00:00';
+                    }
+                    $definition[$key]['type'] = $type;
+                    $definition[$key]['mdb2type'] = $type;
+                }
+                return $definition;
+            }
+        }
+
+        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+            'it was not specified an existing table column', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTableIndexDefinition()
+
+    /**
+     * Get the structure of an index into an array
+     *
+     * @param string $table_name 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_name, $index_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+        $index_name_mdb2 = $db->getIndexName($index_name);
+        $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));
+        if (!PEAR::isError($result) && (null !== $result)) {
+            // apply 'idxname_format' only if the query succeeded, otherwise
+            // fallback to the given $index_name, without transformation
+            $index_name = $index_name_mdb2;
+        }
+        $result = $db->query(sprintf($query, $db->quote($index_name)));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $colpos = 1;
+        $definition = array();
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($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['non_unique']) {
+                    return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                        $index_name . ' is not an existing table index', __FUNCTION__);
+                }
+                $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(
+                    'position' => $colpos++
+                );
+                if (!empty($row['collation'])) {
+                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+                        ? 'ascending' : 'descending');
+                }
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $index_name . ' is not an existing table index', __FUNCTION__);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ getTableConstraintDefinition()
+
+    /**
+     * Get the structure of a constraint into an array
+     *
+     * @param string $table_name      name of table that should be used in method
+     * @param string $constraint_name name of constraint that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTableConstraintDefinition($table_name, $constraint_name)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        list($schema, $table) = $this->splitTableSchema($table_name);
+        $constraint_name_original = $constraint_name;
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+        if (strtolower($constraint_name) != 'primary') {
+            $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+            $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));
+            if (!PEAR::isError($result) && (null !== $result)) {
+                // apply 'idxname_format' only if the query succeeded, otherwise
+                // fallback to the given $index_name, without transformation
+                $constraint_name = $constraint_name_mdb2;
+            }
+        }
+        $result = $db->query(sprintf($query, $db->quote($constraint_name)));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $colpos = 1;
+        //default values, eventually overridden
+        $definition = array(
+            'primary' => false,
+            'unique'  => false,
+            'foreign' => false,
+            'check'   => false,
+            'fields'  => array(),
+            'references' => array(
+                'table'  => '',
+                'fields' => array(),
+            ),
+            'onupdate'  => '',
+            'ondelete'  => '',
+            'match'     => '',
+            'deferrable'        => false,
+            'initiallydeferred' => false,
+        );
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($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 ($constraint_name == $key_name) {
+                if ($row['non_unique']) {
+                    //FOREIGN KEY?
+                    return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
+                }
+                if ($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(
+                    'position' => $colpos++
+                );
+                if (!empty($row['collation'])) {
+                    $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+                        ? 'ascending' : 'descending');
+                }
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ _getTableFKConstraintDefinition()
+
+    /**
+     * Get the FK definition from the CREATE TABLE statement
+     *
+     * @param string $table           table name
+     * @param string $constraint_name constraint name
+     * @param array  $definition      default values for constraint definition
+     *
+     * @return array|PEAR_Error
+     * @access private
+     */
+    function _getTableFKConstraintDefinition($table, $constraint_name, $definition)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+        $query = 'SHOW CREATE TABLE '. $db->escape($table);
+        $constraint = $db->queryOne($query, 'text', 1);
+        if (!PEAR::isError($constraint) && !empty($constraint)) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                if ($db->options['field_case'] == CASE_LOWER) {
+                    $constraint = strtolower($constraint);
+                } else {
+                    $constraint = strtoupper($constraint);
+                }
+            }
+            $constraint_name_original = $constraint_name;
+            $constraint_name = $db->getIndexName($constraint_name);
+            $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+            if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+                //fallback to original constraint name
+                $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+            }
+            if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+                $definition['foreign'] = true;
+                $column_names = explode(',', $matches[1]);
+                $referenced_cols = explode(',', $matches[3]);
+                $definition['references'] = array(
+                    'table'  => $matches[2],
+                    'fields' => array(),
+                );
+                $colpos = 1;
+                foreach ($column_names as $column_name) {
+                    $definition['fields'][trim($column_name)] = array(
+                        'position' => $colpos++
+                    );
+                }
+                $colpos = 1;
+                foreach ($referenced_cols as $column_name) {
+                    $definition['references']['fields'][trim($column_name)] = array(
+                        'position' => $colpos++
+                    );
+                }
+                $definition['onupdate'] = 'NO ACTION';
+                $definition['ondelete'] = 'NO ACTION';
+                $definition['match']    = 'SIMPLE';
+                return $definition;
+            }
+        }
+        return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+    }
+
+    // }}}
+    // {{{ getTriggerDefinition()
+
+    /**
+     * Get the structure of a trigger into an array
+     *
+     * EXPERIMENTAL
+     *
+     * WARNING: this function is experimental and may change the returned value
+     * at any time until labelled as non-experimental
+     *
+     * @param string    $trigger    name of trigger that should be used in method
+     * @return mixed data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function getTriggerDefinition($trigger)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $query = 'SELECT trigger_name,
+                         event_object_table AS table_name,
+                         action_statement AS trigger_body,
+                         action_timing AS trigger_type,
+                         event_manipulation AS trigger_event
+                    FROM information_schema.triggers
+                   WHERE trigger_name = '. $db->quote($trigger, 'text');
+        $types = array(
+            'trigger_name'    => 'text',
+            'table_name'      => 'text',
+            'trigger_body'    => 'text',
+            'trigger_type'    => 'text',
+            'trigger_event'   => 'text',
+        );
+        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($def)) {
+            return $def;
+        }
+        $def['trigger_comment'] = '';
+        $def['trigger_enabled'] = true;
+        return $def;
+    }
+
+    // }}}
+    // {{{ 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, $mode = null)
+    {
+        if (is_string($result)) {
+           return parent::tableInfo($result, $mode);
+        }
+
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+        if (!is_object($resource)) {
+            return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'Could not generate result resource', __FUNCTION__);
+        }
+
+        if ($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';
+        }
+
+        $count = @mysqli_num_fields($resource);
+        $res = array();
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        $db->loadModule('Datatype', null, true);
+        for ($i = 0; $i < $count; $i++) {
+            $tmp = @mysqli_fetch_field($resource);
+
+            $flags = '';
+            foreach ($this->flags as $const => $means) {
+                if ($tmp->flags & $const) {
+                    $flags.= $means . ' ';
+                }
+            }
+            if ($tmp->def) {
+                $flags.= 'default_' . rawurlencode($tmp->def);
+            }
+            $flags = trim($flags);
+
+            $res[$i] = array(
+                'table'  => $case_func($tmp->table),
+                'name'   => $case_func($tmp->name),
+                'type'   => isset($this->types[$tmp->type])
+                    ? $this->types[$tmp->type] : 'unknown',
+                // http://bugs.php.net/?id=36579
+                'length' => $tmp->length,
+                'flags'  => $flags,
+            );
+            $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+            if (PEAR::isError($mdb2type_info)) {
+               return $mdb2type_info;
+            }
+            $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+            if ($mode & MDB2_TABLEINFO_ORDER) {
+                $res['order'][$res[$i]['name']] = $i;
+            }
+            if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+            }
+        }
+
+        return $res;
+    }
+}
 ?>
\ No newline at end of file