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https://issues.apache.org/jira/browse/HIVE-4039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean Xu updated HIVE-4039:
--------------------------
Release Note: I have changed the code, and added in a test file
Status: Patch Available (was: Open)
> Hive compiler sometimes fails in semantic analysis / optimisation stage when
> boolean variable appears in WHERE clause.
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-4039
> URL: https://issues.apache.org/jira/browse/HIVE-4039
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Jean Xu
> Assignee: Jean Xu
> Priority: Minor
> Attachments: HIVE_4039.1.patch.txt
>
>
> Hive compiler fails with a NullPointerException in semantic analysis /
> optimisation stage when a boolean variable appears in the WHERE clause in
> some cases. A minimal query to generate this error is here:
> SELECT 1
> FROM (
> SELECT TRUE AS flag
> FROM dim_one_row:measurementsystems
> ) a
> WHERE flag;
> On the other hand, the following query is perfectly fine:
> SELECT 1
> FROM (
> SELECT TRUE AS flag
> FROM dim_one_row:measurementsystems
> ) a
> WHERE flag=TRUE;
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