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Date: Sat, 7 May 2011 23:23:03 +0000 (UTC)
From: "Woody Anderson (JIRA)" <jira@apache.org>
To: pig-dev@hadoop.apache.org
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 <958201276.30633.1304810583168.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Created] (PIG-2051) new LogicalSchema column prune code
 does not preserve type information for map subfields
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new LogicalSchema column prune code does not preserve type information for map subfields
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                 Key: PIG-2051
                 URL: https://issues.apache.org/jira/browse/PIG-2051
             Project: Pig
          Issue Type: Bug
          Components: impl
    Affects Versions: 0.10
            Reporter: Woody Anderson
            Assignee: Woody Anderson
             Fix For: 0.10


current impl of ColumnPruneVisitor.visit ignores field type info and passes type BYTEARRAY for all map fields.
the corrected type is pretty easy to fill in, especially since map field info is only attempted 1 level deep.

i came across this b/c i utilize the type information in the pushProjection call, and this was previously of the 'correct' type information, the change over to LogicalSchema caused a regression.

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