# HG changeset patch
# User jbe
# Date 1293155835 -3600
# Node ID 741b7a5a2783c4403b6ceb8c0e125bb10b176fb6
# Parent  58451b5565aec871dcb7ecef4b496921f8d2f3ba
Added comment in line where ISNULL is applied to a row record

diff -r 58451b5565ae -r 741b7a5a2783 core.sql
--- a/core.sql	Tue Dec 07 00:04:44 2010 +0100
+++ b/core.sql	Fri Dec 24 02:57:15 2010 +0100
@@ -1952,7 +1952,7 @@
       "loop_v" := FALSE;
       LOOP
         "output_row" := "output_rows"["i"];
-        EXIT WHEN "output_row" ISNULL;
+        EXIT WHEN "output_row" ISNULL;  -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
         IF "loop_v" THEN
           IF "i" + 1 = "row_count" THEN
             "output_row"."loop" := 'last';