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help / color / mirror / Atom feedFrom: Tom Lane <[email protected]>
To: OMPRAKASH SAHU <[email protected]>
Cc: Ron Johnson <[email protected]>
Cc: Pgsql-admin <[email protected]>
Subject: Re: performance issue with a PL/pgSQL function
Date: Wed, 15 Apr 2026 01:19:41 -0400
Message-ID: <[email protected]> (raw)
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OMPRAKASH SAHU <[email protected]> writes:
> I am using a temp table name 5 to 6 times, by storing the data temporarily
> and handing over to other temp and then drop & create temp_table with same
> name to store next temporary data,
That's definitely an anti-pattern. Can you TRUNCATE the temp table
instead of drop-n-recreate?
> Seeing the query plan just by running explain is hectic in case of
> function having more than 4k lines of code, can you please help me if
> there is any tool to check the whole execution plan for a function just
> like we get for a select query.
There's no "whole execution plan" for a function, only for individual
queries within it. You might find auto_explain (with
log_nested_statements turned on) to be useful to capture those query
plans.
regards, tom lane
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