Tom Lane <tgl@xxxxxxxxxxxxx> writes: > ... but expression-index syntax has the restriction that you need > parentheses around an expression unless it is, or at least looks like, > a function call. CAST() looks enough like a function call for this > purpose, v::t does not. > > I think there is relevant documentation for this near CREATE INDEX; > it doesn't seem like the province of the typecast docs to explain > the weirdnesses of index syntax. Thank you Tom, I really missed the explanation in CREATE INDEX doc entry! ciao, lele. -- nickname: Lele Gaifax | Quando vivrò di quello che ho pensato ieri real: Emanuele Gaifas | comincerò ad aver paura di chi mi copia. lele@xxxxxxxxxxxxxxx | -- Fortunato Depero, 1929. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
