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https://issues.apache.org/jira/browse/IMPALA-7915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Rogers resolved IMPALA-7915.
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Resolution: Fixed
> Wrap SQL parser to avoid redundant code
> ---------------------------------------
>
> Key: IMPALA-7915
> URL: https://issues.apache.org/jira/browse/IMPALA-7915
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Affects Versions: Impala 3.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Minor
>
> The FE has several repeated blocks of code to set up the lexer and parser, to
> parse, and to handle errors.
> Move this code into a static function that can be used in place of the copies.
> At the same time, provide a specific {{ParseException}} to replace the
> generic {{Exception}} thrown by the parser to allow easier error handling.
> Some of the uses of the parser assume the return value is {{Object}}, others
> that the value is {{ParseNode}} and still others that it is
> {{StatementBase}}. Since the actual return is {{StatementBase}}, declare that
> as the return value of the new static method to clearly state the actual
> output.
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