Do not require AS a,b,c part in LATERAL VIEW
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Key: HIVE-2608
URL: https://issues.apache.org/jira/browse/HIVE-2608
Project: Hive
Issue Type: Improvement
Components: Query Processor, UDF
Reporter: Igor Kabiljo
Priority: Minor
Currently, it is required to state column names when LATERAL VIEW is used.
That shouldn't be necessary, since UDTF returns struct which contains column
names - and they should be used by default.
For example, it would be great if this was possible:
SELECT t.*, t.key1 + t.key4
FROM some_table
LATERAL VIEW JSON_TUPLE(json, 'key1', 'key2', 'key3', 'key3') t;
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