Re: [HACKERS] error on HAVING clause
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] error on HAVING clause |
Дата | |
Msg-id | 199804101333.JAA13290@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] error on HAVING clause ("Jose' Soares Da Silva" <sferac@proxy.bazzanese.com>) |
Список | pgsql-hackers |
Question is, if we can't get it fixed completely, does it work well enough for us to keep it in 6.3.2? > > On Thu, 9 Apr 1998, Bruce Momjian wrote: > > Don't worry about time Bruce. I'm not in a hurry. > HAVING is an important feature. Finally SELECT statement is complete. > I would like to show you another thing about HAVING. > > prova=> select sno,qty from sp group by sno,qty having qty = 300; > sno |qty > -----+--- > S1 |100 > S1 |200 > S1 |300 > S1 |400 > S2 |300 > S2 |400 > S3 |200 > S4 |200 > S4 |300 > S4 |400 > (10 rows) > > prova=> select oid,sno,qty from sp group by sno,qty having qty = 300; > oid|sno |qty > ------+-----+--- > 147004|S1 |100 > 147001|S1 |200 > 147000|S1 |300 > 147002|S1 |400 > 147006|S2 |300 > 147007|S2 |400 > 147008|S3 |200 > 147009|S4 |200 > 147010|S4 |300 > 147011|S4 |400 > (10 rows) > > Solid give me another result. Who are rigth ? > > SOLID SQL Editor (teletype) v.02.20.0007 > select sno,qty from sp group by sno,qty having qty = 300; > SNO QTY > --- --- > S1 300. > S2 300. > S4 300. > 3 rows fetched. > > Maybe this one is illegal, but it give me a strange output: > > prova=> select oid,sno,qty from sp having qty = 300; > | | <---------where is the title ???? > ------+-----+--- > 147000|S1 |300 > 147001|S1 |200 > 147002|S1 |400 > 147003|S1 |200 > 147004|S1 |100 > 147005|S1 |100 > 147006|S2 |300 > 147007|S2 |400 > 147008|S3 |200 > 147009|S4 |200 > 147010|S4 |300 > 147011|S4 |400 > (12 rows) > Jose' > > -- Bruce Momjian | 830 Blythe Avenue maillist@candle.pha.pa.us | Drexel Hill, Pennsylvania 19026 + If your life is a hard drive, | (610) 353-9879(w) + Christ can be your backup. | (610) 853-3000(h)
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