Jason Dere created HIVE-5204:
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Summary: Change type compatibility methods to use
PrimitiveCategory rather than TypeInfo
Key: HIVE-5204
URL: https://issues.apache.org/jira/browse/HIVE-5204
Project: Hive
Issue Type: Improvement
Reporter: Jason Dere
Assignee: Jason Dere
The type compatibility methods in the FunctionRegistry (getCommonClass,
implicitConvertable) compare TypeInfo objects directly when its doing its type
compatibility logic. This won't work as well with qualified types (varchar,
char, decimal), because we will need different TypeInfo objects to represent
varchar(5) and varchar(10), and the equality comparisons won't work anymore. We
can change this logic to look at the PrimitiveCategory for the TypeInfo instead.
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