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(***********************************************************************)
(* *)
(* GALAX *)
(* XQuery Engine *)
(* *)
(* Copyright 2001-2007. *)
(* Distributed only by permission. *)
(* *)
(***********************************************************************)
(* $Id: code_prune.mli,v 1.6 2007/02/01 22:08:45 simeon Exp $ *)
(* Module: Code_parse
Description:
This module contains code building for operators that implement
pruning of sequences of XML items.
*)
open Algebra_type
open Xquery_algebra_ast
open Xquery_common_ast
(* XPath evaluation *)
val build_prune_code :
Code_selection_context.code_selection_context ->
Algebra_type.algop_expr ->
(crname * axis) ->
(Algebra_type.alg_eval_code_dep * Code_selection_context.code_selection_context)
val build_default_prune_code :
Code_selection_context.code_selection_context ->
Xquery_common_ast.axis ->
Xquery_common_ast.crname ->
'a ->
Physical_value.tuple_unit Cursor.cursor ->
Physical_value.tuple_unit Cursor.cursor
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