Raajay Viswanathan created HIVE-11413:
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Summary: Error in detecting availability of
HiveSemanticAnalyzerHooks
Key: HIVE-11413
URL: https://issues.apache.org/jira/browse/HIVE-11413
Project: Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 2.0.0
Reporter: Raajay Viswanathan
Priority: Trivial
In {{compile(String, Boolean)}} function in {{Driver.java}}, the list of
available {{HiveSemanticAnalyzerHook}} (_saHooks_) are obtained using the
{{getHooks}} method. This method always returns a {{List}} of hooks.
However, while checking for availability of hooks, the current version of the
code uses a comparison of _saHooks_ with NULL. This is incorrect, as the
segment of code designed to call pre and post Analyze functions gets executed
even when the list is empty. The comparison should be changed to
{{saHooks.size() > 0}}.
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