Ruhui Wang created SPARK-20137:
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Summary: In Spark1.5 I can 'cache table as select' for many times.
In Spark2.1 it will show error TempTableAlreadyExistsException
Key: SPARK-20137
URL: https://issues.apache.org/jira/browse/SPARK-20137
Project: Spark
Issue Type: Question
Components: SQL
Affects Versions: 2.1.0
Reporter: Ruhui Wang
About 'cache table as select'. In Spark1.5, I can run this sql for many times:
cache table t as select * from t1;
cache table t as select * from t2;
In Spark2.1 when I run the second sql will show "Error in query: Temporary
table 't1' already exists;"
Why Spark2.1 don't support this sql??
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