pgis_accum_finalfn() [1/2]

Datum pgis_accum_finalfn	(	pgis_abs *	p,
		MemoryContext	mctx,
		__attribute__((__unused__)) FunctionCallInfo	fcinfo
	)

The final function rescues the built array from the side memory context using the PostgreSQL built-in function makeMdArrayResult.

Definition at line 184 of file lwgeom_accum.c.

{
        int dims[1];
        int lbs[1];
        ArrayBuildState *state;
        Datum result;
 
        /* cannot be called directly because of internal-type argument */
        Assert(fcinfo->context &&
               (IsA(fcinfo->context, AggState) ||
                IsA(fcinfo->context, WindowAggState))
               );
 
        state = p->a;
        dims[0] = state->nelems;
        lbs[0] = 1;
        result = makeMdArrayResult(state, 1, dims, lbs, mctx, false);
        return result;
}

References pgis_abs::a.