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From: James Cloos <cloos@jhcloos.com>
To: pgsql-sql@postgresql.org
Subject: getting aroung chr(0)
Date: Fri, 09 Oct 2020 16:01:27 -0400
Message-ID: <m3zh4vxj6w.fsf@carbon.jhcloos.org> (raw)

Is there a better way to do this:

 select (case
         when octet_length(n) > 0
         then chr(octet_length(n))::bytea
         else '\x00'
         end) || n from some_table;

some_table.n may contain values like ''::text,
but some_table.n is not null.

Obviously, a function like chr() which returns bytea
rather than text would be ideal, but lacking one....

Thanks,

-JimC
-- 
James Cloos <cloos@jhcloos.com>         OpenPGP: 0x997A9F17ED7DAEA6

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