| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | fed(dot)guman(at)gmail(dot)com |
| Cc: | pgsql-docs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Documentation mistake? |
| Date: | 2024-10-25 14:44:56 |
| Message-ID: | 2771918.1729867496@sss.pgh.pa.us |
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| Lists: | pgsql-docs |
PG Doc comments form <noreply(at)postgresql(dot)org> writes:
> In page https://www.postgresql.org/docs/current/indexes-bitmap-scans.html
> написано следующее:
> "Another example is that if we have separate indexes on x and y, one
> possible implementation of a query like WHERE x = 5 AND y = 6 is to use each
> index with the appropriate query clause and then AND together the index
> results to identify the result rows".
> You mean "WHERE x = 5 OR y = 6"?
No; the query says AND. Unioning the index results would be
appropriate if it said OR, but that's a different topic.
regards, tom lane
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