Ioannis Anagnostopoulos <ioannis(at)anatec(dot)com> writes:
> Now, for the final step of it. You said that SFUNC =
> array_append form the example array_accum must be delclared "strict".
> May I ask how as I am lost?
You would need to create a new SQL function declaration, referencing the
same underlying C code but marked strict. Then make a new aggregate
referencing that as the sfunc instead of the original.
regards, tom lane