[ 
https://issues.apache.org/jira/browse/SPARK-14840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15264616#comment-15264616
 ] 

Suresh Thalamati commented on SPARK-14840:
------------------------------------------

On master(2.0) , this issue is fixed recently  as part of  SPARK-14762.

scala> sql("create table order(a int )") 
res15: org.apache.spark.sql.DataFrame = []
scala> sql("drop  table order") 
res17: org.apache.spark.sql.DataFrame = []

> Cannot drop a table which has the name starting with 'or'
> ---------------------------------------------------------
>
>                 Key: SPARK-14840
>                 URL: https://issues.apache.org/jira/browse/SPARK-14840
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.6.2
>            Reporter: Kwangwoo Kim
>
> sqlContext("drop table tmp.order")  
> The above code makes error as following: 
> 6/04/22 14:27:17 INFO ParseDriver: Parsing command: drop table tmp.order
> 16/04/22 14:27:19 INFO ParseDriver: Parse Completed
> 16/04/22 14:27:19 WARN DropTable: [1.5] failure: identifier expected
> tmp.order
>     ^
> java.lang.RuntimeException: [1.5] failure: identifier expected
> tmp.order
>     ^
>       at scala.sys.package$.error(package.scala:27)
>       at 
> org.apache.spark.sql.catalyst.SqlParser$.parseTableIdentifier(SqlParser.scala:58)
>       at org.apache.spark.sql.SQLContext.table(SQLContext.scala:827)
>       at org.apache.spark.sql.hive.execution.DropTable.run(commands.scala:62)
>       at 
> org.apache.spark.sql.execution.ExecutedCommand.sideEffectResult$lzycompute(commands.scala:58)
>       at 
> org.apache.spark.sql.execution.ExecutedCommand.sideEffectResult(commands.scala:56)
>       at 
> org.apache.spark.sql.execution.ExecutedCommand.doExecute(commands.scala:70)
>       at 
> org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$5.apply(SparkPlan.scala:132)
>       at 
> org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$5.apply(SparkPlan.scala:130)
>       at 
> org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150)
>       at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:130)
>       at 
> org.apache.spark.sql.execution.QueryExecution.toRdd$lzycompute(QueryExecution.scala:55)
>       at 
> org.apache.spark.sql.execution.QueryExecution.toRdd(QueryExecution.scala:55)
>       at org.apache.spark.sql.DataFrame.<init>(DataFrame.scala:145)
>       at org.apache.spark.sql.DataFrame.<init>(DataFrame.scala:130)
>       at org.apache.spark.sql.DataFrame$.apply(DataFrame.scala:52)
>       at org.apache.spark.sql.SQLContext.sql(SQLContext.scala:817)
>       at 
> $line15.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.<init>(<console>:26)
>       at $line15.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.<init>(<console>:31)
>       at $line15.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.<init>(<console>:33)
>       at $line15.$read$$iwC$$iwC$$iwC$$iwC$$iwC.<init>(<console>:35)
>       at $line15.$read$$iwC$$iwC$$iwC$$iwC.<init>(<console>:37)
>       at $line15.$read$$iwC$$iwC$$iwC.<init>(<console>:39)
>       at $line15.$read$$iwC$$iwC.<init>(<console>:41)
>       at $line15.$read$$iwC.<init>(<console>:43)
>       at $line15.$read.<init>(<console>:45)
>       at $line15.$read$.<init>(<console>:49)
>       at $line15.$read$.<clinit>(<console>)
>       at $line15.$eval$.<init>(<console>:7)
>       at $line15.$eval$.<clinit>(<console>)
>       at $line15.$eval.$print(<console>)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.apache.spark.repl.SparkIMain$ReadEvalPrint.call(SparkIMain.scala:1065)
>       at 
> org.apache.spark.repl.SparkIMain$Request.loadAndRun(SparkIMain.scala:1346)
>       at 
> org.apache.spark.repl.SparkIMain.loadAndRunReq$1(SparkIMain.scala:840)
>       at org.apache.spark.repl.SparkIMain.interpret(SparkIMain.scala:871)
>       at org.apache.spark.repl.SparkIMain.interpret(SparkIMain.scala:819)
>       at 
> org.apache.spark.repl.SparkILoop.reallyInterpret$1(SparkILoop.scala:857)
>       at 
> org.apache.spark.repl.SparkILoop.interpretStartingWith(SparkILoop.scala:902)
>       at org.apache.spark.repl.SparkILoop.command(SparkILoop.scala:814)
>       at org.apache.spark.repl.SparkILoop.processLine$1(SparkILoop.scala:657)
>       at org.apache.spark.repl.SparkILoop.innerLoop$1(SparkILoop.scala:665)
>       at 
> org.apache.spark.repl.SparkILoop.org$apache$spark$repl$SparkILoop$$loop(SparkILoop.scala:670)
>       at 
> org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply$mcZ$sp(SparkILoop.scala:997)
>       at 
> org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply(SparkILoop.scala:945)
>       at 
> org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply(SparkILoop.scala:945)
>       at 
> scala.tools.nsc.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:135)
>       at 
> org.apache.spark.repl.SparkILoop.org$apache$spark$repl$SparkILoop$$process(SparkILoop.scala:945)
>       at org.apache.spark.repl.SparkILoop.process(SparkILoop.scala:1059)
>       at org.apache.spark.repl.Main$.main(Main.scala:31)
>       at org.apache.spark.repl.Main.main(Main.scala)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)
>       at 
> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
>       at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
>       at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
>       at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
> java.lang.RuntimeException: [1.5] failure: identifier expected
> tmp.order
>     ^
>       at scala.sys.package$.error(package.scala:27)
>       at 
> org.apache.spark.sql.catalyst.SqlParser$.parseTableIdentifier(SqlParser.scala:58)
>       at 
> org.apache.spark.sql.hive.HiveContext.invalidateTable(HiveContext.scala:351)
>       at org.apache.spark.sql.hive.execution.DropTable.run(commands.scala:72)
>       at 
> org.apache.spark.sql.execution.ExecutedCommand.sideEffectResult$lzycompute(commands.scala:58)
>       at 
> org.apache.spark.sql.execution.ExecutedCommand.sideEffectResult(commands.scala:56)
>       at 
> org.apache.spark.sql.execution.ExecutedCommand.doExecute(commands.scala:70)
>       at 
> org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$5.apply(SparkPlan.scala:132)
>       at 
> org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$5.apply(SparkPlan.scala:130)
>       at 
> org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150)
>       at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:130)
>       at 
> org.apache.spark.sql.execution.QueryExecution.toRdd$lzycompute(QueryExecution.scala:55)
>       at 
> org.apache.spark.sql.execution.QueryExecution.toRdd(QueryExecution.scala:55)
>       at org.apache.spark.sql.DataFrame.<init>(DataFrame.scala:145)
>       at org.apache.spark.sql.DataFrame.<init>(DataFrame.scala:130)
>       at org.apache.spark.sql.DataFrame$.apply(DataFrame.scala:52)
>       at org.apache.spark.sql.SQLContext.sql(SQLContext.scala:817)
>       at $iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.<init>(<console>:26)
>       at $iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.<init>(<console>:31)
>       at $iwC$$iwC$$iwC$$iwC$$iwC$$iwC.<init>(<console>:33)
>       at $iwC$$iwC$$iwC$$iwC$$iwC.<init>(<console>:35)
>       at $iwC$$iwC$$iwC$$iwC.<init>(<console>:37)
>       at $iwC$$iwC$$iwC.<init>(<console>:39)
>       at $iwC$$iwC.<init>(<console>:41)
>       at $iwC.<init>(<console>:43)
>       at <init>(<console>:45)
>       at .<init>(<console>:49)
>       at .<clinit>(<console>)
>       at .<init>(<console>:7)
>       at .<clinit>(<console>)
>       at $print(<console>)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.apache.spark.repl.SparkIMain$ReadEvalPrint.call(SparkIMain.scala:1065)
>       at 
> org.apache.spark.repl.SparkIMain$Request.loadAndRun(SparkIMain.scala:1346)
>       at 
> org.apache.spark.repl.SparkIMain.loadAndRunReq$1(SparkIMain.scala:840)
>       at org.apache.spark.repl.SparkIMain.interpret(SparkIMain.scala:871)
>       at org.apache.spark.repl.SparkIMain.interpret(SparkIMain.scala:819)
>       at 
> org.apache.spark.repl.SparkILoop.reallyInterpret$1(SparkILoop.scala:857)
>       at 
> org.apache.spark.repl.SparkILoop.interpretStartingWith(SparkILoop.scala:902)
>       at org.apache.spark.repl.SparkILoop.command(SparkILoop.scala:814)
>       at org.apache.spark.repl.SparkILoop.processLine$1(SparkILoop.scala:657)
>       at org.apache.spark.repl.SparkILoop.innerLoop$1(SparkILoop.scala:665)
>       at 
> org.apache.spark.repl.SparkILoop.org$apache$spark$repl$SparkILoop$$loop(SparkILoop.scala:670)
>       at 
> org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply$mcZ$sp(SparkILoop.scala:997)
>       at 
> org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply(SparkILoop.scala:945)
>       at 
> org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply(SparkILoop.scala:945)
>       at 
> scala.tools.nsc.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:135)
>       at 
> org.apache.spark.repl.SparkILoop.org$apache$spark$repl$SparkILoop$$process(SparkILoop.scala:945)
>       at org.apache.spark.repl.SparkILoop.process(SparkILoop.scala:1059)
>       at org.apache.spark.repl.Main$.main(Main.scala:31)
>       at org.apache.spark.repl.Main.main(Main.scala)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)
>       at 
> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
>       at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
>       at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
>       at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)



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