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https://issues.apache.org/jira/browse/PIG-1026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767468#action_12767468
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Yan Zhou commented on PIG-1026:
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The STR_STORAGE actually has a problem : m2#{x} is actually specified twice. So
a syntax exception should have been thrown. I'm going to attach a patch that
throws the exception in a proper manner.
After I correct the syntax error, the tests pass, particularly with "[m1#{a|b},
m2#{x|y}]; [m1]; [m2]" as the storage specification.
> [zebra] map split returns null
> ------------------------------
>
> Key: PIG-1026
> URL: https://issues.apache.org/jira/browse/PIG-1026
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Jing Huang
> Assignee: Yan Zhou
> Fix For: 0.6.0
>
>
> Here is the test scenario:
> final static String STR_SCHEMA = "m1:map(string),m2:map(map(int))";
> //final static String STR_STORAGE = "[m1#{a}];[m2#{x|y}]; [m1#{b},
> m2#{z}];[m1]";
> final static String STR_STORAGE = "[m1#{a}, m2#{x}];[m2#{x|y}]; [m1#{b},
> m2#{z}];[m1,m2]";
> projection: String projection2 = new String("m1#{b}, m2#{x|z}");
> User got null pointer exception on reading m1#{b}.
> Yan, please refer to the test class:
> TestNonDefaultWholeMapSplit.java
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