Tom Lane <tgl@sss.pgh.pa.us> 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@metapensiero.it | -- Fortunato Depero, 1929.
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