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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2023-07-19 11:00:34 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2023-07-19 11:00:34 -0400 |
| commit | 8286b432c32dbec8b3109c5b09a902adb2385c52 (patch) | |
| tree | 9902df93ead461cd6a5407c378e127ce434dcd22 /src/tutorial/advanced.source | |
| parent | 2e9135b940936c2d6a08b397da495e0ebc016c40 (diff) | |
| download | postgresql-8286b432c32dbec8b3109c5b09a902adb2385c52.tar.gz postgresql-8286b432c32dbec8b3109c5b09a902adb2385c52.zip | |
Doc: improve description of IN and row-constructor comparisons.
IN and NOT IN work fine on records and arrays, so just say that
they accept "expressions" not "scalar expressions". I think that
that phrasing was meant to say that they don't work on set-returning
expressions, but that's not the common meaning of "scalar".
Revise the description of row-constructor comparisons to make it
perhaps a bit less confusing. (This partially reverts some
dubious wording changes made by commit f56651519.)
Per gripe from Ilya Nenashev. Back-patch to supported branches.
In HEAD and v16, also drop a NOTE about pre-8.2 behavior, which
is hopefully no longer of interest to anybody.
Discussion: https://postgr.es/m/168968062460.632.14303906825812821399@wrigleys.postgresql.org
Diffstat (limited to 'src/tutorial/advanced.source')
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