Function post_fields

src/gpre/sqe.cpp:3502–3556

//

static gpre_nod* post_fields( gpre_nod* node, map* to_map)
{
	assert_IS_NOD(node);

	switch (node->nod_type)
	{
		// Removed during fix to BUG_8021 - this would post a literal to
		// the map record for each literal used in an expression - which
		// would result in unneccesary data movement as the literal is more
		// easily experssed in the assignment portion of the mapping select
		// operation.
		// case nod_literal:
		// 1995-Jul-10 David Schnepper

	case nod_field:
	case nod_agg_max:
	case nod_agg_min:
	case nod_agg_average:
	case nod_agg_total:
	case nod_agg_count:
	case nod_map_ref:
		return post_map(node, to_map);

	case nod_udf:
	case nod_gen_id:
		node->nod_arg[0] = post_fields(node->nod_arg[0], to_map);
		break;

	case nod_list:
	case nod_upcase:
	case nod_lowcase:
	case nod_concatenate:
	case nod_cast:
	case nod_plus:
	case nod_minus:
	case nod_times:
	case nod_divide:
	case nod_negate:
		{
			gpre_nod** ptr = node->nod_arg;
			for (const gpre_nod* const* const end = ptr + node->nod_count; ptr < end; ptr++)
			{
				*ptr = post_fields(*ptr, to_map);
			}
			break;
		}
	// Begin date/time/timestamp support
	case nod_extract:
		node->nod_arg[1] = post_fields(node->nod_arg[1], to_map);
		break;
	// End date/time/timestamp support
	}

	return node;
}


//____________________________________________________________