Pavel Stehule <stehule(at)kix(dot)fsv(dot)cvut(dot)cz> writes:
> Array and array's functions works fine, but I need call this function
> with empty array. I can't use array constructor for empty array.
Yeah. We have not figured out how to assign a type to "ARRAY[]".
You can do something like '{}'::integer[], however.
regards, tom lane