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https://issues.apache.org/jira/browse/SPARK-10754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14960802#comment-14960802
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Rick Hillegas commented on SPARK-10754:
---------------------------------------
Note that unquoted identifiers are case-insensitive in the SQL Standard. Thanks.
> table and column name are case sensitive when json Dataframe was registered
> as tempTable using JavaSparkContext.
> -----------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-10754
> URL: https://issues.apache.org/jira/browse/SPARK-10754
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.3.0, 1.3.1, 1.4.1
> Environment: Linux ,Hadoop Version 1.3
> Reporter: Babulal
>
> Create a dataframe using json data source
> SparkConf conf=new
> SparkConf().setMaster("spark://xyz:7077")).setAppName("Spark Tabble");
> JavaSparkContext javacontext=new JavaSparkContext(conf);
> SQLContext sqlContext=new SQLContext(javacontext);
>
> DataFrame df =
> sqlContext.jsonFile("/user/root/examples/src/main/resources/people.json");
>
> df.registerTempTable("sparktable");
>
> Run the Query
>
> sqlContext.sql("select * from sparktable").show() // this will PASs
>
>
> sqlContext.sql("select * from sparkTable").show() /// This will FAIL
>
> java.lang.RuntimeException: Table Not Found: sparkTable
> at scala.sys.package$.error(package.scala:27)
> at
> org.apache.spark.sql.catalyst.analysis.SimpleCatalog$$anonfun$1.apply(Catalog.scala:115)
> at
> org.apache.spark.sql.catalyst.analysis.SimpleCatalog$$anonfun$1.apply(Catalog.scala:115)
> at scala.collection.MapLike$class.getOrElse(MapLike.scala:128)
> at scala.collection.AbstractMap.getOrElse(Map.scala:58)
> at
> org.apache.spark.sql.catalyst.analysis.SimpleCatalog.lookupRelation(Catalog.scala:115)
> at
> org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveRelations$.getTable(Analyzer.scala:233)
>
>
>
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