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Bug #4354
closed
AttributeGetter does not have NO_NODES_NEWLY_CREATED property
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)
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