mila boldareva <pierro@dds.nl> writes:
> The column is an array of float8 with V1 method.
> I can't find the method to pick up the arguments-arrays,
deconstruct_array is the most general method, but for arrays of
fixed-size objects (like float8), you can cheat. There are some
useful examples in the aggregate operators in utils/adt/float.c.
regards, tom lane