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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2004-01-05 05:07:36 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2004-01-05 05:07:36 +0000 |
| commit | 9091e8d1b233faf9994518fda7fcc171fddb53ac (patch) | |
| tree | 572b200768bbfba3cfc121f1b4c12c79ab650d96 /doc/src | |
| parent | bf488a6842ef2bf43ab89337c8970971e84951da (diff) | |
Add the ability to extract OR indexscan conditions from OR-of-AND
join conditions in which each OR subclause includes a constraint on
the same relation. This implements the other useful side-effect of
conversion to CNF format, without its unpleasant side-effects. As
per pghackers discussion of a few weeks ago.
Diffstat (limited to 'doc/src')
0 files changed, 0 insertions, 0 deletions