| commit | cf8ee2fe5af9fa4cfd24d01c0781ede7bad3cd08 | [log] [tgz] |
|---|---|---|
| author | alexander.behm <alexander.behm@eaa15691-b419-025a-1212-ee371bd00084> | Wed Jul 18 08:44:58 2012 +0000 |
| committer | alexander.behm <alexander.behm@eaa15691-b419-025a-1212-ee371bd00084> | Wed Jul 18 08:44:58 2012 +0000 |
| tree | 41734c46aa5f3b559e9c1dd0bbd688b4d225a34f | |
| parent | 21f2811795845b0e5cde8f4e2183f9bda6714ca3 [diff] |
Added system null to distinguish between empty stream and null in aggregate functions. Changes sum aggregate function to use system null properly. Other aggregates to follow. git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_fix_agg@523 eaa15691-b419-025a-1212-ee371bd00084