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Re: Delete, foreign key, index usage - Mailing list pgsql-performance

From Johann Spies
Subject Re: Delete, foreign key, index usage
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Msg-id CAGZ55DRr=wVHJgfrBb9eGVWyL81ObJw=7kpfxpfYyeS4osTKmw@mail.gmail.com
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In response to Delete, foreign key, index usage  (Johann Spies <johann.spies@gmail.com>)
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On 4 April 2017 at 14:07, Johann Spies <johann.spies@gmail.com> wrote:

> Why would that be?

To answer my own question.  After experimenting a lot we found that
9.6 uses a parallel seqscan that is actually a lot faster than using
the index on these large tables.

This, to us was a surprise!

Regards
Johann

--
Because experiencing your loyal love is better than life itself,
my lips will praise you.  (Psalm 63:3)

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