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Posted to dev@atlas.apache.org by "David Kantor (JIRA)" <ji...@apache.org> on 2016/12/15 21:33:58 UTC

[jira] [Created] (ATLAS-1386) Avoid unnecessary type lookups during query parsing

David Kantor created ATLAS-1386:
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             Summary: Avoid unnecessary type lookups during query parsing
                 Key: ATLAS-1386
                 URL: https://issues.apache.org/jira/browse/ATLAS-1386
             Project: Atlas
          Issue Type: Improvement
            Reporter: David Kantor


During query parsing, there are unnecessary types lookups happening. For example, in the DSL query hive_table where name = \"bar-999\" select name, name is parsed into an identifier, and it was doing a type lookup to see if a trait or class called 'name' exists. In cases like this, the operands are fields, not types, and so a type lookup is not necessary and arguably incorrect. 



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