Maxim Boguk <maxim.bo...@gmail.com> writes:
> PS: I try create two-dimentional integer array from query results:
Well, you could do that with a suitably defined aggregate having the
signature "agg(anyarray) returns anyarray". But array_agg has the
signature "array_agg(anyelement) returns anyarray" so you can't use
it on an array input. 2-D arrays are not distinct from 1-D arrays
so far as the type system is concerned.
regards, tom lane
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