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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 | 129ac7d349116ac6ddd89d5e55d05f42adf473d2 (patch) | |
| tree | c01c2b37ceafa20480649ab700465e59e275a822 /src/backend/commands/constraint.c | |
| parent | 9cb9c91460c424bb5b856e3e09b59e55854a0293 (diff) | |
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 'src/backend/commands/constraint.c')
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