Attila Jeges created IMPALA-7368:
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Summary: Add initial support for DATE type
Key: IMPALA-7368
URL: https://issues.apache.org/jira/browse/IMPALA-7368
Project: IMPALA
Issue Type: Sub-task
Reporter: Attila Jeges
Assignee: Attila Jeges
DATE values describe a particular year/month/day, in the form YYYY-MM-DD. For
example, DATE '2013-01-01'. Date types do not have a time of day component.
The range of values supported for the Date type is 0000-01-01 to 9999-12-31.
The initial DATE type support should incluide the following changes:
- text scanner/writer
- casting between DATE and other types
- expression evaluation
- "IS [NOT] NULL" and "[NOT] IN" predicates
- common comparison operators
- conditiioal functions
- infrastructure changes for builtin scalar functions.
These items are tightly coupled and it makes sense to implement them in one
change-set.
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