mike kobyakov created PIG-4357:
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Summary: Support UDFs in %declare and %default macros
Key: PIG-4357
URL: https://issues.apache.org/jira/browse/PIG-4357
Project: Pig
Issue Type: Improvement
Components: internal-udfs
Reporter: mike kobyakov
although this syntax is legal
%default DAYS 2
%default TWICE_AS_LONG 2*$DAYS
this one however is not.
%default DATE '2014-10-01'
DEFINE FileMask myudfs.DateFolderFileMask();
%default FOLDER FileMask('$DATE','$DAYS')
although I understand that preprocessor statements are likely done before
DEFINE statements, and thus this is probably not trivial.
however, it would be some really good syntactic sugar, if this was supported.
the current way of using %declare with backticks forces people to write
additional shell scripts, rather than use the available UDF facilities.
thanks in advance!
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