sig
val build_tuple_tree_pattern_code :
Code_selection_context.code_selection_context ->
Algebra_type.algop_expr ->
Xquery_common_ast.crname * Xquery_algebra_ast.twig_pattern ->
Algebra_type.alg_eval_code_dep *
Code_selection_context.code_selection_context
val select_physical_op :
Code_selection_context.code_selection_context ->
Algebra_type.algop_expr ->
Xquery_common_ast.crname * Xquery_algebra_ast.twig_pattern ->
Xquery_physical_algebra_ast.physop_expr_name
end