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-rw-r--r--database/database.pgsql5
1 files changed, 4 insertions, 1 deletions
diff --git a/database/database.pgsql b/database/database.pgsql
index 1ce84a83a..8fbf9ad24 100644
--- a/database/database.pgsql
+++ b/database/database.pgsql
@@ -681,8 +681,11 @@ INSERT INTO blocks(module,delta,status) VALUES('user', '1', '1');
--- Functions
---
-CREATE FUNCTION "greatest"(integer, integer) RETURNS integer AS '
+CREATE FUNCTION greatest(integer, integer) RETURNS integer AS '
BEGIN
+ IF $2 IS NULL THEN
+ RETURN $1;
+ END IF;
IF $1 > $2 THEN
RETURN $1;
END IF;