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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2021-01-27 12:50:17 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2021-01-27 12:50:17 -0500 |
| commit | bfda0a02444e204024d83db2874ec884960d24f0 (patch) | |
| tree | 7182dddc9ca656cc61ae19da32550a78d92b9d1c /src/backend/commands/explain.c | |
| parent | 2378d9232ea9a7d8147b17f7d78c14fbb4796c7d (diff) | |
| download | postgresql-bfda0a02444e204024d83db2874ec884960d24f0.tar.gz postgresql-bfda0a02444e204024d83db2874ec884960d24f0.zip | |
Doc: improve documentation for UNNEST().
Per a user question, spell out that UNNEST() returns array elements
in storage order; also provide an example to clarify the behavior for
multi-dimensional arrays.
While here, also clarify the SELECT reference page's description of
WITH ORDINALITY. These details were already given in 7.2.1.4, but
a reference page should not omit details.
Back-patch to v13; there's not room in the table in older versions.
Discussion: https://postgr.es/m/FF1FB31F-0507-4F18-9559-2DE6E07E3B43@gmail.com
Diffstat (limited to 'src/backend/commands/explain.c')
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