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Date: Mon, 8 Dec 2008 19:13:44 -0800 (PST)
From: "Ashish Thusoo (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Created: (HIVE-140) Event Based Infrastructure for Syntax
 Trees in the compiler
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Event Based Infrastructure for Syntax Trees in the compiler
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                 Key: HIVE-140
                 URL: https://issues.apache.org/jira/browse/HIVE-140
             Project: Hadoop Hive
          Issue Type: Improvement
          Components: Query Processor
            Reporter: Ashish Thusoo
            Assignee: Ashish Thusoo


In order to refactor SemanticAnalyzer into a bunch of different components, we need to move more modular mechanisms of doing semantic analysis. One of the missing pieces here is the event based infrastructure for analyzing ASTs in the Semantic Analyzer. We will first use this infrastructure for lineage tools and then migrate the rest of the Semantic Analyzer to this infrastructure over time.

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