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From: Tom Lane <[email protected]>
To: Thomas Markus <[email protected]>
Cc: [email protected]
Subject: Re: org.postgresql.util.PSQLException: ERROR: value out of range: underflow
Date: Sun, 06 Feb 2022 11:45:43 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Thomas Markus <[email protected]> writes:
> a customer got the exception "org.postgresql.util.PSQLException: ERROR: 
> value out of range: underflow" without any stacktrace etc.

I'd venture that the cause is some server-side double precision
arithmetic that underflowed.  It's not that hard to hit, eg

postgres=# select 1e-200::float8 * 1e-200::float8;
ERROR:  value out of range: underflow

			regards, tom lane

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