cen yuhai created SPARK-13772:
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Summary: DataType mismatch between double and decimal
Key: SPARK-13772
URL: https://issues.apache.org/jira/browse/SPARK-13772
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.6.0
Environment: spark1.6.0 hadoop2.2.0 jdk1.7.0_79
Reporter: cen yuhai
I found a bug：
select if(1=1, cast(1 as double), cast(1.1 as decimal) as a from test
It will throw exceptions like this：
Error in query: cannot resolve 'if ((1 = 1)) cast(1 as double) else cast(1.1 as
decimal(10,0))' due to data type mismatch: differing types in 'if ((1 = 1))
cast(1 as double) else cast(1.1 as decimal(10,0))' (double and decimal(10,0)).;
line 1 pos 37
I also test：
select if(1=1,cast(1 as decimal),cast(1 as decimal(19,6))) from test;
Error in query: cannot resolve 'if ((1 = 1)) cast(1 as decimal(10,0)) else
cast(1 as decimal(19,6))' due to data type mismatch: differing types in 'if ((1
= 1)) cast(1 as decimal(10,0)) else cast(1 as decimal(19,6))' (decimal(10,0)
and decimal(19,6)).; line 1 pos 38
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