From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dian Fay <dian.m.fay@gmail.com>
Cc: pgsql-hackers@lists.postgresql.org, Vik Fearing <vikreykja@gmail.com>
Subject: Re: TRIM_ARRAY
Date: Mon, 01 Mar 2021 18:53:41 -0500
Message-ID: <865850.1614642821@sss.pgh.pa.us> (raw)
In-Reply-To: <161464047991.29967.8270411748023500393.pgcf@coridan.postgresql.org>
References: <fc92ce17-9655-8ff1-c62a-4dc4c8ccd815@postgresfriends.org>
<931d94fa-9238-47ba-6f17-01600a845417@postgresfriends.org>
<161464047991.29967.8270411748023500393.pgcf@coridan.postgresql.org>
Dian Fay <dian.m.fay@gmail.com> writes:
> This basically does what it says, and the code looks good. The
> documentation is out of alphabetical order (trim_array should appear
> under cardinality rather than over)) but good otherwise. I was able to
> "break" the function with an untyped null in psql:
> select trim_array(null, 2);
> ERROR: could not determine polymorphic type because input has type unknown
That's a generic parser behavior for polymorphic functions, not something
this particular function could or should dodge.
regards, tom lane
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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, dian.m.fay@gmail.com, vikreykja@gmail.com
Subject: Re: TRIM_ARRAY
In-Reply-To: <865850.1614642821@sss.pgh.pa.us>
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