>
> PostgreSQL tells me, the following query is not valid, but I can't see
> nothing wrong.
>
> prova=> select * from sp;
> sno |pno |qty
> -----+-----+---
> S1 |P1 |300
> S1 |P2 |200
> S1 |P3 |400
> S2 |P2 |400
> S3 |P2 |200
> S4 |P4 |300
> S4 |P5 |400
> (7 rows)
>
> prova=> select sno,qty from sp group by sno,qty having qty=300;
> ERROR: This is not a valid having query!
HAVING is only to be used with aggregates. In your case, qty is not an
aggregate.
At least, that is what I think is supposed to happen.
>
> I tried the same query on Informix-SE and I have the following:
>
> sno qty
>
> S1 300.000
> S4 300.000
>
> I tried it also on Solid and I have the following:
>
> SOLID SQL Editor (teletype) v.02.20.0007
> select sno,qty from sp group by sno,qty having qty = 300;
> SNO QTY
> --- ---
> S1 300.
> S4 300.
> 2 rows fetched.
>
> Jose'
>
>
>
>
-- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610)
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