Re: SQLFunctionCache and generic plans

05.04.2025 00:47, Tom Lane wrote:
> Alexander Lakhin<exclusion(at)gmail(dot)com> writes:
>> I've stumbled upon another defect introduced with 0dca5d68d:
>> CREATE FUNCTION f(VARIADIC ANYARRAY) RETURNS ANYELEMENT AS $$ SELECT x FROM generate_series(1,1) g(i) $$ LANGUAGE SQL
>> IMMUTABLE;
>> SELECT f(1);
>> SELECT f(1);
> Hmm, I see
>
> regression=# CREATE FUNCTION f(VARIADIC ANYARRAY) RETURNS ANYELEMENT AS $$ SELECT x FROM generate_series(1,1) g(i) $$ LANGUAGE SQL IMMUTABLE;
> CREATE FUNCTION
> regression=# SELECT f(1);
> ERROR: column "x" does not exist
> LINE 1: SELECT x FROM generate_series(1,1) g(i)
> ^
> QUERY: SELECT x FROM generate_series(1,1) g(i)
> CONTEXT: SQL function "f" statement 1
> regression=# SELECT f(1);
> ERROR: unrecognized node type: 2139062143
> CONTEXT: SQL function "f" statement 1
>
> Did you intend the typo? The "unrecognized node type" does indicate
> a problem, but your message doesn't seem to indicate that you're
> expecting a syntax error.
>

Yes, the typo is intended. With Valgrind, I get the "column does not exist"
error on the first call and the Valgrind complaint on the second one.

Best regards,
Alexander Lakhin
Neon (https://neon.tech)