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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1999-03-10 12:16:09 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1999-03-10 12:16:09 +0000 |
| commit | 2a76aa23e08e1b3b44865ef30fd72c05ef155e11 (patch) | |
| tree | d02d335eef10046e4cd957675f27d2400a5d3f66 /src/tutorial | |
| parent | f8f0efb43d764426265ed3bed6e3de792619ec2b (diff) | |
| download | postgresql-2a76aa23e08e1b3b44865ef30fd72c05ef155e11.tar.gz postgresql-2a76aa23e08e1b3b44865ef30fd72c05ef155e11.zip | |
We have to return dummy tuple for empty targetlist!
Try select t1.x from t1, t2 where t1.y = 1 and t2.y = 1
- t2 scan target list will be empty and so no one tuple
will be returned...
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