Re: unintuitive subquery record wrapping
От | Rikard Pavelic |
---|---|
Тема | Re: unintuitive subquery record wrapping |
Дата | |
Msg-id | 4C946AD1.90408@zg.htnet.hr обсуждение исходный текст |
Ответ на | Re: unintuitive subquery record wrapping (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: unintuitive subquery record wrapping
Re: unintuitive subquery record wrapping |
Список | pgsql-general |
On 18.9.2010 4:31, Tom Lane wrote: > Rikard Pavelic <rikard.pavelic@zg.htnet.hr> writes: > >> For basic query: >> select t from t >> result is of type t. >> > yeah ... > > >> If I query: >> select sq from (select t from t) sq; >> result is of type record. >> > yeah ... it's a record containing a single field of type t. > > regards, tom lane > > That was unhelpful ;( You removed the important part of question ;) I'll try again... I'm arguing that is seems wrong that I need to match alias name like this select t from (select t from t) t or like this select sq from (select sq from t sq) sq to get unwrapped type. Maybe I'm alone arguing this because nobody writes queries like that :) Regards, Rikard
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