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(at)sss(dot)pgh(dot)pa(dot)us]
Sent: August 20, 2018 09:26
To: Erwin Fritz
Cc: Johannes Truschnigg; pgsql-admin(at)postgresql(dot)org
Subject: Re: temp_file_limit parameter ignored?

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

What does the "source" column say?

regards, tom lane