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https://issues.apache.org/jira/browse/HIVE-19303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich resolved HIVE-19303.
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Resolution: Duplicate
dup of HIVE-19278
> Fix grammar warnings
> --------------------
>
> Key: HIVE-19303
> URL: https://issues.apache.org/jira/browse/HIVE-19303
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Priority: Major
>
> It seems to be that something is not right around the handling of "KW_CHECK"
> https://github.com/apache/hive/blob/da10aabe56edf8fbb26d89d64bedcc4afa84a305/ql/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g#L2376
> {code}
> warning(200): org/apache/hadoop/hive/ql/parse/HiveParser.g:2376:5:
> Decision can match input such as "KW_CHECK {KW_EXISTS, KW_TINYINT}" using
> multiple alternatives: 1, 2
> As a result, alternative(s) 2 were disabled for that input
> warning(200): org/apache/hadoop/hive/ql/parse/HiveParser.g:2376:5:
> Decision can match input such as "KW_CHECK KW_STRUCT LESSTHAN" using multiple
> alternatives: 1, 2
> As a result, alternative(s) 2 were disabled for that input
> warning(200): org/apache/hadoop/hive/ql/parse/HiveParser.g:2376:5:
> Decision can match input such as "KW_CHECK KW_DATETIME" using multiple
> alternatives: 1, 2
> As a result, alternative(s) 2 were disabled for that input
> warning(200): org/apache/hadoop/hive/ql/parse/HiveParser.g:2376:5:
> Decision can match input such as "KW_CHECK KW_DATE {LPAREN, StringLiteral}"
> using multiple alternatives: 1, 2
> As a result, alternative(s) 2 were disabled for that input
> warning(200): org/apache/hadoop/hive/ql/parse/HiveParser.g:2376:5:
> Decision can match input such as "KW_CHECK KW_UNIONTYPE LESSTHAN" using
> multiple alternatives: 1, 2
> {code}
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