On 06/11/2007, Toni Casueps <casueps@hotmail.com> wrote:
>
> I'm using the PostgreSQL crosstab functions to do something like this:
>
> From this table ...
>
> a x 10
> b x 13
> a y 11
> b y 17
>
>
> ... I get:
>
> x y
> a 10 11
> b 13 17
>
>
> To get the second table I have to specify the field list when I call the crosstab function (in this example it would
beAS t(x integer, y integer))
> My problem arises when that field list changes, for example when someone inserts a record in the first table with a
newvalue, for example "z". In that case I have to change my queries to AS t(x integer, y integer, z integer)
>
> Do you know how to declare a "generic" field list, or some other library similar to crosstab?
>
Hello
it isn't possible. PostgreSQL'SQL is strict typed language :(.
Pavel Stehule
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