module Code_sc_join:sig
..end
val build_staircase_join_code : Code_selection_context.code_selection_context ->
Xquery_common_ast.crname ->
Xquery_algebra_ast.twig_pattern ->
unit ->
Algebra_type.eval_fun ->
Execution_context.algebra_context ->
Physical_value.tuple_unit Cursor.cursor ->
Physical_value.tuple_unit Cursor.cursor