Zoltan Haindrich created HIVE-19303:
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Summary: Fix grammar warnings
Key: HIVE-19303
URL: https://issues.apache.org/jira/browse/HIVE-19303
Project: Hive
Issue Type: Bug
Reporter: Zoltan Haindrich
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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