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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2021-10-05 10:24:15 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2021-10-05 10:24:15 -0400 |
| commit | abc037b65882396e4655ac6a95388ad33199ccef (patch) | |
| tree | 24a758fbc9fbb1a84150015625984766c472fd71 /contrib/postgres_fdw/connection.c | |
| parent | e1242068537f304dc4c6daa52dca1d62fcdbf45a (diff) | |
| download | postgresql-abc037b65882396e4655ac6a95388ad33199ccef.tar.gz postgresql-abc037b65882396e4655ac6a95388ad33199ccef.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/connection.c')
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