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Bug #4354

closed

AttributeGetter does not have NO_NODES_NEWLY_CREATED property

Added by Michael Kay over 4 years ago. Updated over 4 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
Performance
Sprint/Milestone:
-
Start date:
2019-10-21
Due date:
% Done:

0%

Estimated time:
Legacy ID:
Applies to branch:
9.9, trunk
Fix Committed on Branch:
9.9, trunk
Fixed in Maintenance Release:
Platforms:

Description

The AttributeGetter expression (displayed as data(@xyz), and used when getting the atomized value of a named attribute of the context item) does not set the internal property NO_NODES_NEWLY_CREATED, which means that this expression, and any expression of which it forms part, is not eligible for optimizations such as loop lifting, promotion to a global variable, or common subexpression elimination.

Found during investigation of bug #4340 (but not the principal cause of that problem)

Actions #1

Updated by Michael Kay over 4 years ago

  • Status changed from New to Resolved
  • Fix Committed on Branch 9.9, trunk added
Actions #2

Updated by O'Neil Delpratt over 4 years ago

  • Status changed from Resolved to Closed
  • Fixed in Maintenance Release 9.9.1.6 added

Patch committed to the Saxon 9.9.1.6 maintenance release.

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