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https://issues.apache.org/jira/browse/SPARK-5875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael Armbrust resolved SPARK-5875.
-------------------------------------
Resolution: Fixed
Fix Version/s: 1.3.0
Issue resolved by pull request 4663
[https://github.com/apache/spark/pull/4663]
> logical.Project should not be resolved if it contains aggregates or generators
> ------------------------------------------------------------------------------
>
> Key: SPARK-5875
> URL: https://issues.apache.org/jira/browse/SPARK-5875
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Yin Huai
> Priority: Blocker
> Fix For: 1.3.0
>
>
> To reproduce...
> {code}
> val rdd = sc.parallelize((1 to 10).map(i => s"""{"a":$i, "b":"str${i}"}"""))
> sqlContext.jsonRDD(rdd).registerTempTable("jt")
> sqlContext.sql("CREATE TABLE gen_tmp (key Int)")
> sqlContext.sql("INSERT OVERWRITE TABLE gen_tmp SELECT explode(array(1,2,3))
> AS val FROM jt LIMIT 1")
> {code}
> The exception is
> {code}
> org.apache.spark.sql.AnalysisException: invalid cast from
> array<struct<_c0:int>> to int;
> at
> org.apache.spark.sql.catalyst.analysis.Analyzer$CheckResolution$.failAnalysis(Analyzer.scala:85)
> at
> org.apache.spark.sql.catalyst.analysis.Analyzer$CheckResolution$$anonfun$apply$18$$anonfun$apply$2.applyOrElse(Analyzer.scala:98)
> at
> org.apache.spark.sql.catalyst.analysis.Analyzer$CheckResolution$$anonfun$apply$18$$anonfun$apply$2.applyOrElse(Analyzer.scala:92)
> at
> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:250)
> at
> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:250)
> at
> org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:50)
> at
> org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:249)
> at
> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$5.apply(TreeNode.scala:263)
> {code}
> The cause of this exception is that PreInsertionCasts in HiveMetastoreCatalog
> was triggered on an invalid query plan
> {code}
> Project
> [HiveGenericUdtf#org.apache.hadoop.hive.ql.udf.generic.GenericUDTFExplode(Array(1,2,3))
> AS val#19]
> Subquery jt
> LogicalRDD [a#0L,b#1], MapPartitionsRDD[4] at map at JsonRDD.scala:41
> {code}
> Then, after the transformation of PreInsertionCasts, ImplicitGenerate cannot
> be applied.
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