Re: Index based search have issues with 11.20

Thanks for the providing the references

we will go through the wiki link and identify the glibc version updates
during the OS patching.

On Tue, Oct 17, 2023 at 10:18 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Hafeez Rahim <hafeez(dot)rahim(at)mindcurv(dot)com> writes:
> > Issue :
>
> > One of the table query not woks when string values are filtered with =
> > clause
> > where as the query works with like clause using '%' flag or using
> > trim(column)
> > below are query examples describes the problem
>
> You've not really provided enough detail, but I'm going to guess
> that your OS update included a change in collation definitions
> that left any indexes on text columns essentially corrupt.
> The LIKE queries probably weren't affected because they didn't
> rely on indexes.
>
> Reindexing the indexes should have been enough to fix it.
> See
>
> https://wiki.postgresql.org/wiki/Locale_data_changes
>
> regards, tom lane
>

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