jiaqizho commented on PR #1167:
URL: https://github.com/apache/cloudberry/pull/1167#issuecomment-2987116279
> Just tried. Should ORCA reuse same transno here?
>
> ```
> CREATE FUNCTION my_sum_trans(state int, val int) RETURNS int AS $$
> BEGIN
> RETURN state + val;
> END;
> $$ LANGUAGE plpgsql;
>
> CREATE AGGREGATE my_sum1(int) (
> SFUNC = my_sum_trans,
> STYPE = int,
> INITCOND = '0'
> );
>
> CREATE AGGREGATE my_sum2(int) (
> SFUNC = my_sum_trans,
> STYPE = int,
> INITCOND = '0'
> );
>
> postgres=# set debug_print_aggref_in_explain to on;
> SET
> postgres=# explain select my_sum1(v1), my_sum2(v2) from tgb1;
> QUERY PLAN
>
------------------------------------------------------------------------------------
> Aggregate (cost=0.00..431.00 rows=1 width=8)
> AggRefs(TargetList): [(0, 0), (1, 1)]
> -> Gather Motion 3:1 (slice1; segments: 3) (cost=0.00..431.00 rows=1
width=8)
> -> Seq Scan on tgb1 (cost=0.00..431.00 rows=1 width=8)
> Optimizer: GPORCA
> (5 rows)
> ```
nope, same as PG
```
postgres=# explain select my_sum1(v1), my_sum2(v2) from tgb1;
QUERY PLAN
-----------------------------------------------------------------------------------------
Aggregate (cost=44519.00..44519.01 rows=1 width=8)
AggRefs(TargetList): [(0, 0), (1, 1)]
-> Gather Motion 3:1 (slice1; segments: 3) (cost=0.00..1469.00
rows=86100 width=8)
-> Seq Scan on tgb1 (cost=0.00..321.00 rows=28700 width=8)
Optimizer: Postgres query optimizer
(5 rows)
```
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