From d0b973cf6aed4a7cb705f706624d25b31d19ed52 Mon Sep 17 00:00:00 2001
From: svncommit <devs@roundcube.net>
Date: Thu, 18 Sep 2008 07:54:14 -0400
Subject: [PATCH] Bind cookie gotten over HTTPS to HTTPS only (#1485336).

---
 program/lib/MDB2/Driver/Reverse/mssql.php |  653 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 653 insertions(+), 0 deletions(-)

diff --git a/program/lib/MDB2/Driver/Reverse/mssql.php b/program/lib/MDB2/Driver/Reverse/mssql.php
new file mode 100644
index 0000000..0991190
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/mssql.php
@@ -0,0 +1,653 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann, Lorenzo Alberton     |
+// | 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.                                          |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org>                          |
+// |          Lorenzo Alberton <l.alberton@quipo.it>                      |
+// +----------------------------------------------------------------------+
+//
+// $Id: mssql.php,v 1.49 2008/02/17 15:30:57 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MSSQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@dybnet.de>
+ * @author  Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common
+{
+    // {{{ 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);
+        $fldname = $db->quoteIdentifier($field_name, true);
+
+        $query = "SELECT t.table_name,
+                         c.column_name 'name',
+                         c.data_type 'type',
+                         CASE c.is_nullable WHEN 'YES' THEN 1 ELSE 0 END AS 'is_nullable',
+                         c.column_default,
+                         c.character_maximum_length 'length',
+                         c.numeric_precision,
+                         c.numeric_scale,
+                         c.character_set_name,
+                         c.collation_name
+                    FROM INFORMATION_SCHEMA.TABLES t,
+                         INFORMATION_SCHEMA.COLUMNS c
+                   WHERE t.table_name = c.table_name
+                     AND t.table_name = '$table'
+                     AND c.column_name = '$fldname'";
+        if (!empty($schema)) {
+            $query .= " AND t.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ' ORDER BY t.table_name';
+        $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($column)) {
+            return $column;
+        }
+        if (empty($column)) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified an existing table column', __FUNCTION__);
+        }
+
+        if ($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']);
+        }
+        $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+        if (PEAR::isError($mapped_datatype)) {
+            return $mapped_datatype;
+        }
+        list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+        $notnull = true;
+        if ($column['is_nullable']) {
+            $notnull = false;
+        }
+        $default = false;
+        if (array_key_exists('column_default', $column)) {
+            $default = $column['column_default'];
+            if (is_null($default) && $notnull) {
+                $default = '';
+            } elseif (strlen($default) > 4
+                   && substr($default, 0, 1) == '('
+                   &&  substr($default, -1, 1) == ')'
+            ) {
+                //mssql wraps the default value in parentheses: "((1234))", "(NULL)"
+                $default = trim($default, '()');
+                if ($default == 'NULL') {
+                    $default = null;
+                }
+            }
+        }
+        $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'] = $default;
+        }
+        foreach ($types as $key => $type) {
+            $definition[$key] = $definition[0];
+            if ($type == 'clob' || $type == 'blob') {
+                unset($definition[$key]['default']);
+            }
+            $definition[$key]['type'] = $type;
+            $definition[$key]['mdb2type'] = $type;
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ 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);
+        //$idxname = $db->quoteIdentifier($index_name, true);
+
+        $query = "SELECT OBJECT_NAME(i.id) tablename,
+                         i.name indexname,
+                         c.name field_name,
+                         CASE INDEXKEY_PROPERTY(i.id, i.indid, ik.keyno, 'IsDescending')
+                           WHEN 1 THEN 'DESC' ELSE 'ASC'
+                         END 'collation',
+                         ik.keyno 'position'
+                    FROM sysindexes i
+                    JOIN sysindexkeys ik ON ik.id = i.id AND ik.indid = i.indid
+                    JOIN syscolumns c ON c.id = ik.id AND c.colid = ik.colid
+                   WHERE OBJECT_NAME(i.id) = '$table'
+                     AND i.name = '%s'
+                     AND NOT EXISTS (
+                            SELECT *
+                              FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+                             WHERE k.table_name = OBJECT_NAME(i.id)
+                               AND k.constraint_name = i.name";
+        if (!empty($schema)) {
+            $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ')
+                ORDER BY tablename, indexname, ik.keyno';
+
+        $index_name_mdb2 = $db->getIndexName($index_name);
+        $result = $db->queryRow(sprintf($query, $index_name_mdb2));
+        if (!PEAR::isError($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, $index_name));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $definition = array();
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $column_name = $row['field_name'];
+            if ($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' => (int)$row['position'],
+            );
+            if (!empty($row['collation'])) {
+                $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
+                    ? 'ascending' : 'descending');
+            }
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'it was not specified 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);
+
+        $table = $db->quoteIdentifier($table, true);
+        $query = "SELECT k.table_name,
+                         k.column_name field_name,
+                         CASE c.constraint_type WHEN 'PRIMARY KEY' THEN 1 ELSE 0 END 'primary',
+                         CASE c.constraint_type WHEN 'UNIQUE' THEN 1 ELSE 0 END 'unique',
+                         CASE c.constraint_type WHEN 'FOREIGN KEY' THEN 1 ELSE 0 END 'foreign',
+                         CASE c.constraint_type WHEN 'CHECK' THEN 1 ELSE 0 END 'check',
+                         CASE c.is_deferrable WHEN 'NO' THEN 0 ELSE 1 END 'deferrable',
+                         CASE c.initially_deferred WHEN 'NO' THEN 0 ELSE 1 END 'initiallydeferred',
+                         rc.match_option 'match',
+                		 rc.update_rule 'onupdate',
+                         rc.delete_rule 'ondelete',
+                         kcu.table_name 'references_table',
+                         kcu.column_name 'references_field',
+                         k.ordinal_position 'field_position'
+                    FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+                    LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
+                      ON k.table_name = c.table_name
+                     AND k.table_schema = c.table_schema
+                     AND k.table_catalog = c.table_catalog
+                     AND k.constraint_catalog = c.constraint_catalog
+                     AND k.constraint_name = c.constraint_name
+               LEFT JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc
+                      ON rc.constraint_schema = c.constraint_schema
+                     AND rc.constraint_catalog = c.constraint_catalog
+                     AND rc.constraint_name = c.constraint_name
+               LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE kcu
+                      ON rc.unique_constraint_schema = kcu.constraint_schema
+                     AND rc.unique_constraint_catalog = kcu.constraint_catalog
+                     AND rc.unique_constraint_name = kcu.constraint_name
+					 AND k.ordinal_position = kcu.ordinal_position
+                   WHERE k.constraint_catalog = DB_NAME()
+                     AND k.table_name = '$table'
+                     AND k.constraint_name = '%s'";
+        if (!empty($schema)) {
+            $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+        }
+        $query .= ' ORDER BY k.constraint_name,
+                             k.ordinal_position';
+
+        $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+        $result = $db->queryRow(sprintf($query, $constraint_name_mdb2));
+        if (!PEAR::isError($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, $constraint_name));
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        $definition = array(
+            'fields' => array()
+        );
+        while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+            $row = array_change_key_case($row, CASE_LOWER);
+            $column_name = $row['field_name'];
+            if ($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' => (int)$row['field_position']
+            );
+            if ($row['foreign']) {
+                $ref_column_name = $row['references_field'];
+                if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+                    if ($db->options['field_case'] == CASE_LOWER) {
+                        $ref_column_name = strtolower($ref_column_name);
+                    } else {
+                        $ref_column_name = strtoupper($ref_column_name);
+                    }
+                }
+                $definition['references']['table'] = $row['references_table'];
+                $definition['references']['fields'][$ref_column_name] = array(
+                    'position' => (int)$row['field_position']
+                );
+            }
+            //collation?!?
+            /*
+            if (!empty($row['collation'])) {
+                $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
+                    ? 'ascending' : 'descending');
+            }
+            */
+            $lastrow = $row;
+            // otherwise $row is no longer usable on exit from loop
+        }
+        $result->free();
+        if (empty($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+        }
+
+        $definition['primary'] = (boolean)$lastrow['primary'];
+        $definition['unique']  = (boolean)$lastrow['unique'];
+        $definition['foreign'] = (boolean)$lastrow['foreign'];
+        $definition['check']   = (boolean)$lastrow['check'];
+        $definition['deferrable'] = (boolean)$lastrow['deferrable'];
+        $definition['initiallydeferred'] = (boolean)$lastrow['initiallydeferred'];
+        $definition['onupdate'] = $lastrow['onupdate'];
+        $definition['ondelete'] = $lastrow['ondelete'];
+        $definition['match']    = $lastrow['match'];
+
+        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 sys1.name trigger_name,
+                         sys2.name table_name,
+                         c.text trigger_body,
+                         c.encrypted is_encripted,
+                         CASE
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsTriggerDisabled') = 1
+                           THEN 0 ELSE 1
+                         END trigger_enabled,
+                         CASE
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsertTrigger') = 1
+                           THEN 'INSERT'
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsUpdateTrigger') = 1
+                           THEN 'UPDATE'
+                           WHEN OBJECTPROPERTY(sys1.id, 'ExecIsDeleteTrigger') = 1
+                           THEN 'DELETE'
+                         END trigger_event,
+                         CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsteadOfTrigger') = 1
+                           THEN 'INSTEAD OF' ELSE 'AFTER'
+                         END trigger_type,
+                         '' trigger_comment
+                    FROM sysobjects sys1
+                    JOIN sysobjects sys2 ON sys1.parent_obj = sys2.id
+                    JOIN syscomments c ON sys1.id = c.id
+                   WHERE sys1.xtype = 'TR'
+                     AND sys1.name = ". $db->quote($trigger, 'text');
+
+        $types = array(
+            'trigger_name'    => 'text',
+            'table_name'      => 'text',
+            'trigger_body'    => 'text',
+            'trigger_type'    => 'text',
+            'trigger_event'   => 'text',
+            'trigger_comment' => 'text',
+            'trigger_enabled' => 'boolean',
+            'is_encripted'    => 'boolean',
+        );
+
+        $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+        if (PEAR::isError($def)) {
+            return $def;
+        }
+        $trg_body = $db->queryCol('EXEC sp_helptext '. $db->quote($trigger, 'text'), 'text');
+        if (!PEAR::isError($trg_body)) {
+            $def['trigger_body'] = implode(' ', $trg_body);
+        }
+        return $def;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table or a result set
+     *
+     * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+     * is a table name.
+     *
+     * @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            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_Driver_Common::tableInfo()
+     */
+    function tableInfo($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() : $result;
+        if (!is_resource($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';
+        }
+
+        $count = @mssql_num_fields($resource);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        $db->loadModule('Datatype', null, true);
+        for ($i = 0; $i < $count; $i++) {
+            $res[$i] = array(
+                'table' => '',
+                'name'  => $case_func(@mssql_field_name($resource, $i)),
+                'type'  => @mssql_field_type($resource, $i),
+                'length'   => @mssql_field_length($resource, $i),
+                '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;
+    }
+
+    // }}}
+    // {{{ _mssql_field_flags()
+
+    /**
+     * Get a column's flags
+     *
+     * Supports "not_null", "primary_key",
+     * "auto_increment" (mssql identity), "timestamp" (mssql timestamp),
+     * "unique_key" (mssql unique index, unique check or primary_key) and
+     * "multiple_key" (multikey index)
+     *
+     * mssql timestamp is NOT similar to the mysql timestamp so this is maybe
+     * not useful at all - is the behaviour of mysql_field_flags that primary
+     * keys are alway unique? is the interpretation of multiple_key correct?
+     *
+     * @param string $table   the table name
+     * @param string $column  the field name
+     *
+     * @return string  the flags
+     *
+     * @access protected
+     * @author Joern Barthel <j_barthel@web.de>
+     */
+    function _mssql_field_flags($table, $column)
+    {
+        $db =& $this->getDBInstance();
+        if (PEAR::isError($db)) {
+            return $db;
+        }
+
+        static $tableName = null;
+        static $flags = array();
+
+        if ($table != $tableName) {
+
+            $flags = array();
+            $tableName = $table;
+
+            // get unique and primary keys
+            $res = $db->queryAll("EXEC SP_HELPINDEX[$table]", null, MDB2_FETCHMODE_ASSOC);
+
+            foreach ($res as $val) {
+                $val = array_change_key_case($val, CASE_LOWER);
+                $keys = explode(', ', $val['index_keys']);
+
+                if (sizeof($keys) > 1) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'multiple_key');
+                    }
+                }
+
+                if (strpos($val['index_description'], 'primary key')) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'primary_key');
+                    }
+                } elseif (strpos($val['index_description'], 'unique')) {
+                    foreach ($keys as $key) {
+                        $this->_add_flag($flags[$key], 'unique_key');
+                    }
+                }
+            }
+
+            // get auto_increment, not_null and timestamp
+            $res = $db->queryAll("EXEC SP_COLUMNS[$table]", null, MDB2_FETCHMODE_ASSOC);
+
+            foreach ($res as $val) {
+                $val = array_change_key_case($val, CASE_LOWER);
+                if ($val['nullable'] == '0') {
+                    $this->_add_flag($flags[$val['column_name']], 'not_null');
+                }
+                if (strpos($val['type_name'], 'identity')) {
+                    $this->_add_flag($flags[$val['column_name']], 'auto_increment');
+                }
+                if (strpos($val['type_name'], 'timestamp')) {
+                    $this->_add_flag($flags[$val['column_name']], 'timestamp');
+                }
+            }
+        }
+
+        if (!empty($flags[$column])) {
+            return(implode(' ', $flags[$column]));
+        }
+        return '';
+    }
+
+    // }}}
+    // {{{ _add_flag()
+
+    /**
+     * Adds a string to the flags array if the flag is not yet in there
+     * - if there is no flag present the array is created
+     *
+     * @param array  &$array  the reference to the flag-array
+     * @param string $value   the flag value
+     *
+     * @return void
+     *
+     * @access protected
+     * @author Joern Barthel <j_barthel@web.de>
+     */
+    function _add_flag(&$array, $value)
+    {
+        if (!is_array($array)) {
+            $array = array($value);
+        } elseif (!in_array($value, $array)) {
+            array_push($array, $value);
+        }
+    }
+
+    // }}}
+}
+?>
\ No newline at end of file

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