On 21 November 2016 at 14:45, Pavel Stehule <pavel.steh...@gmail.com> wrote:
> SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*),
> (array_agg(data))[1], (array_agg(data))[count(*)]
> FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data
> ~ 'INSERT'
> GROUP BY 1 ORDER BY 1;
>
> but result is sensitive on locales setting - doesn't work well with czech
> locales.
Simple fix here is to append COLLATE "C" after the ORDER BY.
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Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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