Xiao Li created SPARK-12745:
-------------------------------
Summary: Limit is not supported inside Set Operation
Key: SPARK-12745
URL: https://issues.apache.org/jira/browse/SPARK-12745
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 1.6.0
Reporter: Xiao Li
The current SQLContext allow the following query, which is copied from a test
case in SQLQuerySuite:
{code}
checkAnswer(sql(
"""
|select key from ((select * from testData limit 1)
| union all (select * from testData limit 1)) x limit 1
""".stripMargin),
Row(1)
)
{code}
However, it is rejected in the Hive parser.
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