function relation_instance_used_slots in Subform 5

1 call to relation_instance_used_slots()

_subform_select_submit in ./subform.module

File

./relation_class.module, line 434

CRUD, and manage relation_classes and relation_class lists

Code

function relation_instance_used_slots($relation_class, $parent_side_node, $child_side_node, $parent_node) {
  return db_result(db_query("SELECT\n        COUNT({$child_side_node})\n      FROM\n        {relation_instance}\n      WHERE\n        relation_class = %d\n          AND\n        {$parent_side_node} = %d", $relation_class, $parent_node));
}