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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2021-10-05 10:24:14 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2021-10-05 10:24:14 -0400 |
| commit | 9024a35c11d7e8c42c2489ae2f912e4d0572f1df (patch) | |
| tree | e6a475faf0b51a2351f3a56c126e09855d180632 /contrib/postgres_fdw/postgres_fdw.c | |
| parent | 0a6549316ee852ebea843671b755dc6d54b0e85b (diff) | |
| download | postgresql-9024a35c11d7e8c42c2489ae2f912e4d0572f1df.tar.gz postgresql-9024a35c11d7e8c42c2489ae2f912e4d0572f1df.zip | |
Doc: improve description of UNION/INTERSECT/EXCEPT syntax.
queries.sgml failed to mention the rather important point that
INTERSECT binds more tightly than UNION or EXCEPT. I thought
it could also use more discussion of the role of parentheses
in these constructs.
Per gripe from Christopher Painter-Wakefield.
Discussion: https://postgr.es/m/163338891727.12510.3939775743980651160@wrigleys.postgresql.org
Diffstat (limited to 'contrib/postgres_fdw/postgres_fdw.c')
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