diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2010-10-15 15:48:45 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2010-10-15 15:48:45 -0400 |
| commit | 71d24466fb84bf51c479dcc85b52a0c2b71b9c50 (patch) | |
| tree | 951b251cc99fd6c709d5329edfb56c759f183a9c /src/backend/utils/adt/xml.c | |
| parent | 0c9b166db5329119b6553e0f38fe486521f1352f (diff) | |
| download | postgresql-71d24466fb84bf51c479dcc85b52a0c2b71b9c50.tar.gz postgresql-71d24466fb84bf51c479dcc85b52a0c2b71b9c50.zip | |
Document the DISTINCT noise word in the UNION/INTERSECT/EXCEPT constructs.
I also rearranged the order of the sections to match the logical order
of processing steps: the distinct-elimination implied by SELECT DISTINCT
happens before, not after, any UNION/INTERSECT/EXCEPT combination.
Per a suggestion from Hitoshi Harada.
Diffstat (limited to 'src/backend/utils/adt/xml.c')
0 files changed, 0 insertions, 0 deletions