Re: Replace IN VALUES with ANY in WHERE clauses during optimization

On 04.10.2024 11:43, Ivan Kush wrote:
> Do you mean, that I should try to execute such command?
>
> In this patch it gives ANY
>
> postgres=# EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
> select * from table1
>    where fld2 in 
> (VALUES('\\230\\211\\030f\\332\\261R\\333\\021\\356\\337z5\\336\\032\\372'::bytea), 
> ('\\235\\204 \\004\\017\\353\\301\\200\\021\\355a&d}\\245\\312'::byte
> a));
>
                                                                                                                             QUERY

> PLAN
>
>
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------

>
> -------------------------------------------------------------------------------------------- 
>
> Bitmap Heap Scan on table1 (actual rows=0 loops=1)
>   Recheck Cond: (fld2 = ANY 
>
('{"\\x5c3233305c3231315c303330665c3333325c323631525c3333335c3032315c3335365c3333377a355c3333365c3033325c333732","\\x5c3233355c323034205c30303
> 45c3031375c3335335c3330315c3230305c3032315c3335356126647d5c3234355c333132"}'::bytea[])) 
>
>   ->  Bitmap Index Scan on table1index (actual rows=0 loops=1)
>         Index Cond: (fld2 = ANY 
>
('{"\\x5c3233305c3231315c303330665c3333325c323631525c3333335c3032315c3335365c3333377a355c3333365c3033325c333732","\\x5c3233355c323034205c3
> 030345c3031375c3335335c3330315c3230305c3032315c3335356126647d5c3234355c333132"}'::bytea[])) 
>
> (4 rows)
Yes I meant it.
>
> Do you plan to send your implementation to the hackers?
>
It was sent here [0].

[0] 
https://www.postgresql.org/message-id/21d5fca5-0c02-4afd-8c98-d0930b298a8d%40gmail.com

-- 
Regards,
Alena Rybakina
Postgres Professional