added all mdb2 drivers

1 files changed, 308 insertions, 0 deletions

diff --git a/program/lib/MDB2/Driver/Reverse/sqlite.php b/program/lib/MDB2/Driver/Reverse/sqlite.php
new file mode 100755
index 000000000..dd56853cc
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/sqlite.php
@@ -0,0 +1,308 @@
+<?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@backendmedia.com>                         |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 SQlite driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Lukas Smith <smith@backendmedia.com>
+ */
+class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common
+{
+
+    function _getTableColumns($query)
+    {
+        $start_pos = strpos($query, '(');
+        $end_pos = strrpos($query, ')');
+        $column_def = substr($query, $start_pos+1, $end_pos-$start_pos-1);
+        $column_sql = split(',', $column_def);
+        $columns = array();
+        $count = count($column_sql);
+        if ($count == 0) {
+            return $db->raiseError('unexpected empty table column definition list');
+        }
+        $regexp = '/^([^ ]+) (CHAR|VARCHAR|VARCHAR2|TEXT|INT|INTEGER|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( PRIMARY)?( \(([1-9][0-9]*)(,([1-9][0-9]*))?\))?( DEFAULT (\'[^\']*\'|[^ ]+))?( NOT NULL)?$/i';
+        for ($i=0, $j=0; $i<$count; ++$i) {
+            if (!preg_match($regexp, $column_sql[$i], $matches)) {
+                return $db->raiseError('unexpected table column SQL definition');
+            }
+            $columns[$j]['name'] = $matches[1];
+            $columns[$j]['type'] = strtolower($matches[2]);
+            if (isset($matches[5]) && strlen($matches[5])) {
+                $columns[$j]['length'] = $matches[5];
+            }
+            if (isset($matches[7]) && strlen($matches[7])) {
+                $columns[$j]['decimal'] = $matches[7];
+            }
+            if (isset($matches[9]) && strlen($matches[9])) {
+                $default = $matches[9];
+                if (strlen($default) && $default[0]=="'") {
+                    $default = str_replace("''", "'", substr($default, 1, strlen($default)-2));
+                }
+                $columns[$j]['default'] = $default;
+            }
+            if (isset($matches[10]) && strlen($matches[10])) {
+                $columns[$j]['notnull'] = true;
+            }
+            ++$j;
+        }
+        return $columns;
+    }
+
+    // {{{ 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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        $result = $db->loadModule('Datatype');
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $query = "SELECT sql FROM sqlite_master WHERE type='table' AND name='$table'";
+        $query = $db->queryOne($query);
+        if (PEAR::isError($query)) {
+            return $query;
+        }
+        if (PEAR::isError($columns = $this->_getTableColumns($query))) {
+            return $columns;
+        }
+        foreach ($columns as $column) {
+            if ($db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) {
+                $column['name'] = strtolower($column['name']);
+            } else {
+                $column = array_change_key_case($column, CASE_LOWER);
+            }
+            if ($field_name == $column['name']) {
+                list($types, $length) = $db->datatype->mapNativeDatatype($column);
+                unset($notnull);
+                if (isset($column['null']) && $column['null'] != 'YES') {
+                    $notnull = true;
+                }
+                unset($default);
+                if (isset($column['default'])) {
+                    $default = $column['default'];
+                }
+                $definition = array();
+                foreach ($types as $key => $type) {
+                    $definition[0][$key] = array('type' => $type);
+                    if (isset($notnull)) {
+                        $definition[0][$key]['notnull'] = true;
+                    }
+                    if (isset($default)) {
+                        $definition[0][$key]['default'] = $default;
+                    }
+                    if (isset($length)) {
+                        $definition[0][$key]['length'] = $length;
+                    }
+                }
+                // todo .. handle auto_inrement and primary keys
+                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 =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        if ($index_name == 'PRIMARY') {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'getTableIndexDefinition: PRIMARY is an hidden index');
+        }
+        $query = "SELECT sql FROM sqlite_master WHERE type='index' AND name='$index_name' AND tbl_name='$table' AND sql NOT NULL ORDER BY name";
+        $result = $db->query($query);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $columns = $result->getColumnNames();
+        $column = 'sql';
+        if (!isset($columns[$column])) {
+            $result->free();
+            return $db->raiseError('getTableIndexDefinition: show index does not return the table creation sql');
+        }
+
+        $query = strtolower($result->fetchOne());
+        $unique = strstr($query, ' unique ');
+        $key_name = $index_name;
+        $start_pos = strpos($query, '(');
+        $end_pos = strrpos($query, ')');
+        $column_names = substr($query, $start_pos+1, $end_pos-$start_pos-1);
+        $column_names = split(',', $column_names);
+
+        $definition = array();
+        if ($unique) {
+            $definition['unique'] = true;
+        }
+        $count = count($column_names);
+        for ($i=0; $i<$count; ++$i) {
+            $column_name = strtok($column_names[$i]," ");
+            $collation = strtok(" ");
+            $definition['fields'][$column_name] = array();
+            if (!empty($collation)) {
+                $definition['fields'][$column_name]['sorting'] = ($collation=='ASC' ? 'ascending' : 'descending');
+            }
+        }
+
+        $result->free();
+        if (!isset($definition['fields'])) {
+            return $db->raiseError(MDB2_ERROR, null, null,
+                'getTableIndexDefinition: it was not specified an existing table index');
+        }
+        return $definition;
+    }
+
+    // }}}
+    // {{{ tableInfo()
+
+    /**
+     * Returns information about a table
+     *
+     * @param string         $result  a string containing the name of a table
+     * @param int            $mode    a valid tableInfo mode
+     *
+     * @return array  an associative array with the information requested.
+     *                 A MDB2_Error object on failure.
+     *
+     * @see MDB2_common::tableInfo()
+     * @since Method available since Release 1.7.0
+     */
+    function tableInfo($result, $mode = null)
+    {
+        $db =& $GLOBALS['_MDB2_databases'][$this->db_index];
+        if (is_string($result)) {
+            /*
+             * Probably received a table name.
+             * Create a result resource identifier.
+             */
+            $id = $db->queryAll("PRAGMA table_info('$result');", null, MDB2_FETCHMODE_ASSOC);
+            $got_string = true;
+        } else {
+            return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null,
+                                     'This DBMS can not obtain tableInfo' .
+                                     ' from result sets');
+        }
+
+        if ($db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) {
+            $case_func = 'strtolower';
+        } else {
+            $case_func = 'strval';
+        }
+
+        $count = count($id);
+        $res   = array();
+
+        if ($mode) {
+            $res['num_fields'] = $count;
+        }
+
+        for ($i = 0; $i < $count; $i++) {
+            if (strpos($id[$i]['type'], '(') !== false) {
+                $bits = explode('(', $id[$i]['type']);
+                $type = $bits[0];
+                $len  = rtrim($bits[1],')');
+            } else {
+                $type = $id[$i]['type'];
+                $len  = 0;
+            }
+
+            $flags = '';
+            if ($id[$i]['pk']) {
+                $flags .= 'primary_key ';
+            }
+            if ($id[$i]['notnull']) {
+                $flags .= 'not_null ';
+            }
+            if ($id[$i]['dflt_value'] !== null) {
+                $flags .= 'default_' . rawurlencode($id[$i]['dflt_value']);
+            }
+            $flags = trim($flags);
+
+            $res[$i] = array(
+                'table' => $case_func($result),
+                'name'  => $case_func($id[$i]['name']),
+                'type'  => $type,
+                'len'   => $len,
+                'flags' => $flags,
+            );
+
+            if ($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