Re: Postgresql Sort cost Poor performance?

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Re: Gavin Flower 2019-04-01 <3113f2f4-a4da-4862-8596-2e189398c988@xxxxxxxxxxxxxxxxx>
> Would it be possible to optionally enable the system to create a hidden
> system column for the text field to be sorted, the new column would be the
> original column preprocessed to sort correctly & efficiently.

That's the idea behind the strxfrm(3) optimization that ultimately got
disabled again for non-C locales because glibc fails to implement it
correctly.

Christoph





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