Postgres 7.4 support

diff --git a/classes/database/Postgres74.php b/classes/database/Postgres74.php
new file mode 100644 (file)
index 0000000..946e217
--- /dev/null
+++ b/classes/database/Postgres74.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * A class that implements the DB interface for Postgres
+ * Note: This class uses ADODB and returns RecordSets.
+ *
+ * $Id: Postgres74.php,v 1.1 2003/01/16 15:06:13 chriskl Exp $
+ */
+
+include_once('../classes/database/Postgres73.php');
+
+class Postgres74 extends Postgres73 {
+
+       // Last oid assigned to a system object
+       var $_lastSystemOID = 16974;
+
+       // Max object name length
+       var $_maxNameLen = 63;
+
+       // System schema ids and names
+       var $_schemaOIDs = array(11, 99);
+       var $_schemaNames = array('pg_catalog', 'pg_toast');
+
+       function Postgres74($host, $port, $database, $user, $password) {
+               $this->Postgres73($host, $port, $database, $user, $password);
+       }
+
+       // Constraint functions
+
+       /**
+        * Returns a list of all constraints on a table
+        * @param $table The table to find rules for
+        * @return A recordset
+        */
+       function &getConstraints($table) {
+               $this->clean($table);
+
+               $sql = "SELECT
+                               conname,
+                               pg_catalog.pg_get_constraintdef(oid) AS consrc,
+                               contype
+                       FROM
+                               pg_catalog.pg_constraint
+                       WHERE
+                               conrelid = (SELECT oid FROM pg_class WHERE relname='{$table}'
+                                       AND relnamespace = (SELECT oid FROM pg_namespace
+                                       WHERE nspname='{$this->_schema}'))
+               ";
+
+               return $this->selectSet($sql);
+       }
+
+}
+
+?>