pgis_accum_finalfn()

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

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

Definition at line 182 of file lwgeom_accum.c.

References pgis_abs::a, PG_FUNCTION_INFO_V1(), and pgis_geometry_accum_finalfn().

Referenced by pgis_geometry_accum_finalfn(), pgis_geometry_accum_transfn(), pgis_geometry_clusterintersecting_finalfn(), pgis_geometry_clusterwithin_finalfn(), pgis_geometry_collect_finalfn(), pgis_geometry_makeline_finalfn(), pgis_geometry_polygonize_finalfn(), and pgis_geometry_union_finalfn().

{
        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;
}

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