Re: [SQL] PL/PgSQL: selects into strings
От | wieck@debis.com (Jan Wieck) |
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Тема | Re: [SQL] PL/PgSQL: selects into strings |
Дата | |
Msg-id | m11tpWo-0003kGC@orion.SAPserv.Hamburg.dsh.de обсуждение исходный текст |
Ответ на | PL/PgSQL: selects into strings (Virgilio Sanz <vsanz@el-mundo.net>) |
Список | pgsql-sql |
> Hi list, > > I'm just added to the list and I'm not sure whether the following is a > FAQ or not possible. Anyway, here it goes: > > Is there a way to execute a query stored in a string? > > I mean, something like: > > function test(text) as returns opaque as ' > declare > v_weekday alias for $1; > s_qry text; > rec record; > begin > s_qry =3D ''select field1,field2, '' || v_weekday || '' from t_diary''; > for rec in exec_sql(s_qry) > -- ^ this is what I'm looking for... > -- [do what is needed] > loop > end loop; > end; > ' language 'plpgsql'; PL/pgSQL doesn't support it. Could get implemented, in the mean time look at PL/Tcl, it can do it already. Jan -- #======================================================================# # It's easier to get forgiveness for being wrong than for being right. # # Let's break this rule - forgive me. # #========================================= wieck@debis.com (Jan Wieck) #
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