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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SYSTEMML-2232) Logical namespace handling user-defined functions
Date Wed, 04 Apr 2018 04:36:00 GMT
Matthias Boehm created SYSTEMML-2232:
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             Summary: Logical namespace handling user-defined functions
                 Key: SYSTEMML-2232
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2232
             Project: SystemML
          Issue Type: Task
            Reporter: Matthias Boehm


At script level functions might have logical namespace names such as {{foo::bar()}}, where
foo is the namespace name, and bar is the function name. To handle namespace conflicts, SYSTEMML-631
internally replaced the logical namespaces with filenames. For reasons such as improved statistics
output and the handling of namespace functions in the recently introduced {{eval}} function
(SYSTEMML-2077), it would be good to keep the logical namespace as well.

This task aims to (1) extend the {{FunctionStatementBlock}} and {{FunctionProgramBlock}} data
structures to keep the logical namespace name, (2) extend the parser and compiler accordingly,
and (3) modify the statistics maintenance to use the function key (i.e., concatenation of
logical namespace and function name) as the opcode.



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