map lookup on empty key should be disallowed at parse time
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Key: PIG-356
URL: https://issues.apache.org/jira/browse/PIG-356
Project: Pig
Issue Type: Bug
Affects Versions: types_branch
Reporter: Pradeep Kamath
Priority: Minor
Fix For: types_branch
Currently the following is allowed:
{code}
a = load 'testfile';
b = foreach a generate $0#'apple', $0#'mango', $0#'', flatten($1#'orange');
{code}
Looking up an empty key ($0#'') should not be allowed at parse time
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