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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 | cb8a5a588eb7325d17780a7a8871ae3b49adc497 (patch) | |
| tree | 4f1ddba0bcd8abb15b9fc17a4d523181e8d5366a /contrib/postgres_fdw/postgres_fdw.c | |
| parent | 1f00a2902bf422cb15fc66145f1e349fdb97689b (diff) | |
| download | postgresql-cb8a5a588eb7325d17780a7a8871ae3b49adc497.tar.gz postgresql-cb8a5a588eb7325d17780a7a8871ae3b49adc497.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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