Re: performance tuning in large function / transaction - Mailing list pgsql-sql

From Bruce Momjian
Subject Re: performance tuning in large function / transaction
Date
Msg-id 200112170539.fBH5dR606887@candle.pha.pa.us
Whole thread Raw
In response to Re: performance tuning in large function / transaction  ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>)
List pgsql-sql
> > As a note, does rewriting the queries in the function
> > to use exists rather than in help any?
> 
> Is it true that the IN command is implemented sort of as a linked list
> linear time search?  Is there any plan for a super-fast implementation of
> 'IN'?

I keep asking for it and am told it is hard to do.

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