From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
Cc: | "Colin 't Hart" <colinthart(at)gmail(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org |
Subject: | Re: Regression in Postgres 17? |
Date: | 2024-10-22 16:12:46 |
Message-ID: | 1971274.1729613566@sss.pgh.pa.us |
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Lists: | pgsql-general |
Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> writes:
>> In Postgres 17 trying to create the function yields an error:
>>
>> pg17> create function json_test(out value text, out json jsonb)
>> returns record
>> ...
>> ERROR: syntax error at or near "jsonb"
>> LINE 1: create function json_test(out value text, out json jsonb)
>>
>> Am I doing something wrong? Or is this a regression?
> Yes you are doing something wrong, naming an argument with a type
> name(json) is not a good idea.
The actual problem is that the SQL standards committee invented
some bizarre syntax that we couldn't parse without making JSON
a partially-reserved word. It still works as a type name, but
in this particular syntax where it's not initially clear which
names are type names, you lose. Double-quote the argument name,
or name it something other than "json".
regards, tom lane
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