Re: PL/pgSQL: SELECT INTO EXACT
От | Jaime Casanova |
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Тема | Re: PL/pgSQL: SELECT INTO EXACT |
Дата | |
Msg-id | c2d9e70e05072915047223be0b@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: PL/pgSQL: SELECT INTO EXACT (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: PL/pgSQL: SELECT INTO EXACT
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Список | pgsql-patches |
On 7/29/05, Tom Lane <tgl@sss.pgh.pa.us> wrote: > Matt Miller <mattm@epx.com> writes: > > This patch implements an optional EXACT keyword after the INTO keyword > > of the PL/pgSQL SELECT INTO command. The motivation is to come closer > > to Oracle's SELECT INTO behavior: when SELECTing INTO scalar targets, > > raise an exception and leave the targets untouched if the query does not > > return exactly one row. This patch does not go so far as to raise an > > exception, but it can simplify porting efforts from PL/SQL. > > Uh, what's the point of being only sort-of compatible? Why not throw > the exception? > > I dislike the choice of "EXACT", too, as it (a) adds a new reserved word > and (b) doesn't seem to convey quite what is happening anyway. Not sure > about a better word though ... anyone? > > regards, tom lane > just wonder, why that is not the default behavior of the SELECT INTO? at least, the first time i think the function was right until i found that the first row of a set of rows was assigned... i mean, when you do that code you are expecting just one row from your query, doesn't you? -- Atentamente, Jaime Casanova (DBA: DataBase Aniquilator ;)
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