from_unixtime should implment a overloading function to accept only bigint type
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Key: HIVE-1260
URL: https://issues.apache.org/jira/browse/HIVE-1260
Project: Hadoop Hive
Issue Type: Improvement
Affects Versions: 0.6.0
Reporter: Ning Zhang
Fix For: 0.6.0
hive> select from_unixtime(cast(0 as bigint)) from nzhang_tt_bigint;
FAILED: Error in semantic analysis: line 1:7 Wrong Arguments a: No matching
method for class org.apache.hadoop.hive.ql.udf.UDFFromUnixTime with (bigint).
Possible choices: _FUNC_(int) _FUNC_(bigint, string) _FUNC_(int, string)
hive> select from_unixtime(cast(0 as nt)) from nzhang_tt_bigint;
succeeded. We should implement a similar overloading function for bigint as
well.
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