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authorsvncommit <devs@roundcube.net>2005-10-27 13:40:37 +0000
committersvncommit <devs@roundcube.net>2005-10-27 13:40:37 +0000
commitc9462d0c1e2493a7399b1dbd21e23b215e97f808 (patch)
treeb31f3af65a271ae651e76d1230737fbd930c27aa /program/lib/MDB2/Driver/Reverse/mssql.php
parent4518342eca8d40f1c25ff877e00379c1e878035f (diff)
added all mdb2 drivers
Diffstat (limited to 'program/lib/MDB2/Driver/Reverse/mssql.php')
-rwxr-xr-xprogram/lib/MDB2/Driver/Reverse/mssql.php269
1 files changed, 269 insertions, 0 deletions
diff --git a/program/lib/MDB2/Driver/Reverse/mssql.php b/program/lib/MDB2/Driver/Reverse/mssql.php
new file mode 100755
index 000000000..658b7df60
--- /dev/null
+++ b/program/lib/MDB2/Driver/Reverse/mssql.php
@@ -0,0 +1,269 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MSSQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@dybnet.de>
+ */
+class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common
+{
+ // }}}
+ // {{{ 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)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (is_string($result)) {
+ /*
+ * Probably received a table name.
+ * Create a result resource identifier.
+ */
+ $id = $db->_doQuery("SELECT TOP 0 * FROM [$result]");
+ if (PEAR::isError($id)) {
+ return $id;
+ }
+
+ $got_string = true;
+ } elseif (MDB2::isResultCommon($result)) {
+ /*
+ * Probably received a result object.
+ * Extract the result resource identifier.
+ */
+ $id = $result->getResource();
+ $got_string = false;
+ } else {
+ /*
+ * Probably received a result resource identifier.
+ * Copy it.
+ * Deprecated. Here for compatibility only.
+ */
+ $id = $result;
+ $got_string = false;
+ }
+
+ if (!is_resource($id)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @mssql_num_fields($id);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ for ($i = 0; $i < $count; $i++) {
+ $res[$i] = array(
+ 'table' => $got_string ? $case_func($result) : '',
+ 'name' => $case_func(@mssql_field_name($id, $i)),
+ 'type' => @mssql_field_type($id, $i),
+ 'len' => @mssql_field_length($id, $i),
+ // We only support flags for table
+ 'flags' => $got_string
+ ? $this->_mssql_field_flags($result, @mssql_field_name($id, $i)) : '',
+ );
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ // free the result only if we were called on a table
+ if ($got_string) {
+ @mssql_free_result($id);
+ }
+ 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) {
+ $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, $db->options['field_case']);
+ if ($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[$val['column_name']], 'timestamp');
+ }
+ }
+ }
+
+ if (array_key_exists($column, $flags)) {
+ 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);
+ }
+ }
+}
+?>