Added support for creating a functional index.

diff --git a/classes/database/Postgres.php b/classes/database/Postgres.php
index cb943a77b4339cd2949ceac952210a7493071051..eca84441fe284d9f0fb571d940a805654ee987f4 100755 (executable)
--- a/classes/database/Postgres.php
+++ b/classes/database/Postgres.php
@@ -4,7 +4,7 @@
  * A class that implements the DB interface for Postgres
  * Note: This class uses ADODB and returns RecordSets.
  *
- * $Id: Postgres.php,v 1.274 2005/09/07 08:09:21 chriskl Exp $
+ * $Id: Postgres.php,v 1.275 2005/10/17 08:32:42 jollytoad Exp $
  */
 
 // @@@ THOUGHT: What about inherits? ie. use of ONLY???
@@ -2170,6 +2170,7 @@ class Postgres extends ADODB_base {
         * @param $name The index name
         * @param $table The table on which to add the index
         * @param $columns An array of columns that form the index
+        *                 or a string expression for a functional index
         * @param $type The index type
         * @param $unique True if unique, false otherwise
         * @param $where Index predicate ('' for none)
@@ -2179,12 +2180,17 @@ class Postgres extends ADODB_base {
        function createIndex($name, $table, $columns, $type, $unique, $where, $tablespace) {
                $this->fieldClean($name);
                $this->fieldClean($table);
-               $this->arrayClean($columns);
 
                $sql = "CREATE";
                if ($unique) $sql .= " UNIQUE";
                $sql .= " INDEX \"{$name}\" ON \"{$table}\" USING {$type} ";
-               $sql .= "(\"" . implode('","', $columns) . "\")";
+               
+               if (is_array($columns)) {
+                       $this->arrayClean($columns);
+                       $sql .= "(\"" . implode('","', $columns) . "\")";
+               } else {
+                       $sql .= "(" . $columns .")";
+               }
 
                // Tablespace
                if ($this->hasTablespaces() && $tablespace != '') {