On Mon, Jun 19, 2023, at 02:00, jian he wrote:
> select hashset_contains('{1,2}'::int4hashset,NULL::int);
> should return null?I agree, it should. I've now changed all functions except int4hashset() (the init function) and the aggregate functions to be STRICT. I think this patch is OK to send as an incremental one, since it's an isolated change: Apply STRICT to hashset functions; clean up null handling in hashset-api.c Set hashset functions to be STRICT, thereby letting the system reject null inputs automatically. This change reflects the nature of hashset as an implementation of a set-theoretic system, where null values are conceptually unusual. Alongside, the hashset-api.c code has been refactored for clarity, consolidating null checks and assignments into single lines. A 'strict' test case has been added to account for these changes. /Joel
hashset-0.0.1-1ee0df0.patch
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