From: Domas Mituzas <midom@users.mediawiki.org>
Date: Thu, 9 Sep 2004 07:12:11 +0000 (+0000)
Subject: add indexUnique()
X-Git-Tag: 1.5.0alpha1~2046
X-Git-Url: http://git.cyclocoop.org/%7D%7Cconcat%7B?a=commitdiff_plain;h=378956d652058d4796293b5aaded6dfcebcea625;p=lhc%2Fweb%2Fwiklou.git

add indexUnique()
---

diff --git a/includes/DatabasePostgreSQL.php b/includes/DatabasePostgreSQL.php
index 75c7fe4808..736822fb73 100644
--- a/includes/DatabasePostgreSQL.php
+++ b/includes/DatabasePostgreSQL.php
@@ -171,6 +171,18 @@ class DatabasePgsql extends Database {
 		return false;
 	}
 
+	function indexUnique ($table, $index, $fname = 'Database::indexUnique' ) {
+		$sql = "SELECT indexname FROM pg_indexes WHERE tablename='{$table}'".
+			" AND indexdef LIKE 'CREATE UNIQUE%({$index})'";
+		$res = $this->query( $sql, $fname );
+		if ( !$res )
+			return NULL;
+		while ($row = $this->fetchObject( $res )) 
+			return true;
+		return false;
+		
+	}
+
 	function fieldInfo( $table, $field ) {
 		wfDebugDieBacktrace( 'Database::fieldInfo() error : mysql_fetch_field() not implemented for postgre' );
 		/*