On 7/19/22 10:42 AM, Adrian Klaver wrote:
On 7/19/22 10:32 AM, Adrian Klaver wrote:
On 7/19/22 10:26 AM, Achilleas Mantzios wrote:


Have you tried:

NULLIF(cept.value, 'inf')::numeric

That was a miss. I originally tested this on Postgres 14 and of course it worked. Trying it on Postgres 12 got:

select nullif(1.5, 'inf')::numeric;
ERROR:  invalid input syntax for type numeric: "inf"
LINE 1: select nullif(1.5, 'inf')::numeric;

Due to this:

https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-NULLIF

"The two arguments must be of comparable types. To be specific, they are compared exactly as if you had written value1 = value2, so there must be a suitable = operator available."

So:

1.5::numeric = 'inf'::numeric

The cheat would be:

select version();
version
-------------------------------------------------------------------------------------
PostgreSQL 12.10 on x86_64-pc-linux-gnu, compiled by gcc (SUSE Linux) 7.5.0, 64-bit

select nullif('inf'::float, 'inf')::numeric;
 nullif
--------
   NULL

select nullif(1.5::float, 'inf')::numeric;
 nullif
--------
    1.5
(1 row)


--
Achilleas Mantzios
DBA, Analyst, IT Lead
IT DEPT
Dynacom Tankers Mgmt





--
Adrian Klaver
adrian.kla...@aklaver.com


Reply via email to