RE: temp_file_limit parameter ignored?

Here's the output:

select * from pg_settings where name = 'temp_file_limit';
-[ RECORD 1 ]---+-------------------------------------------------------------------
name            | temp_file_limit
setting         | 4194304
unit            | kB
category        | Resource Usage / Disk
short_desc      | Limits the total size of all temporary files used by each session.
extra_desc      | -1 means no limit.
context         | superuser
vartype         | integer
source          | database
min_val         | -1
max_val         | 2147483647
enumvals        |
boot_val        | -1
reset_val       | 4194304
sourcefile      |
sourceline      |
pending_restart | f




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________________________________________
From: Tom Lane [tgl@sss.pgh.pa.us]
Sent: August 20, 2018 09:26
To: Erwin Fritz
Cc: Johannes Truschnigg; pgsql-admin@postgresql.org
Subject: Re: temp_file_limit parameter ignored?

Erwin Fritz <efritz@gljpc.com> writes:
> Hmm. I did that, and the sourcefile and sourceline values are blank. I then ran "show config_file" and the result has
thecorrect location of the file.
 

What does the "source" column say?

                        regards, tom lane