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Posted to issues@spark.apache.org by "Udbhav Agrawal (JIRA)" <ji...@apache.org> on 2019/03/01 11:19:00 UTC
[jira] [Commented] (SPARK-26727) CREATE OR REPLACE VIEW query fails
with TableAlreadyExistsException
[ https://issues.apache.org/jira/browse/SPARK-26727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16781582#comment-16781582 ]
Udbhav Agrawal commented on SPARK-26727:
----------------------------------------
works fine for me, cannot reproduce it
> CREATE OR REPLACE VIEW query fails with TableAlreadyExistsException
> -------------------------------------------------------------------
>
> Key: SPARK-26727
> URL: https://issues.apache.org/jira/browse/SPARK-26727
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Srinivas Yarra
> Priority: Major
>
> We experienced that sometimes the Hive query "CREATE OR REPLACE VIEW <view name> AS SELECT <columns> FROM <table>" fails with the following exception:
> {code:java}
> // code placeholder
> org.apache.spark.sql.catalyst.analysis.TableAlreadyExistsException: Table or view '<view name>' already exists in database 'default'; at org.apache.spark.sql.catalyst.catalog.SessionCatalog.createTable(SessionCatalog.scala:314) at org.apache.spark.sql.execution.command.CreateViewCommand.run(views.scala:165) at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:70) at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:68) at org.apache.spark.sql.execution.command.ExecutedCommandExec.executeCollect(commands.scala:79) at org.apache.spark.sql.Dataset$$anonfun$6.apply(Dataset.scala:195) at org.apache.spark.sql.Dataset$$anonfun$6.apply(Dataset.scala:195) at org.apache.spark.sql.Dataset$$anonfun$53.apply(Dataset.scala:3365) at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:78) at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:125) at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:73) at org.apache.spark.sql.Dataset.withAction(Dataset.scala:3364) at org.apache.spark.sql.Dataset.<init>(Dataset.scala:195) at org.apache.spark.sql.Dataset$.ofRows(Dataset.scala:80) at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:642) ... 49 elided
> {code}
> {code}
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res1: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res2: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res3: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res4: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res5: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res6: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res7: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res8: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res9: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res10: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") res11: org.apache.spark.sql.DataFrame = []
> scala> spark.sql("CREATE OR REPLACE VIEW testSparkReplace as SELECT dummy FROM ae_dual") org.apache.spark.sql.catalyst.analysis.TableAlreadyExistsException: Table or view 'testsparkreplace' already exists in database 'default'; at org.apache.spark.sql.hive.HiveExternalCatalog$$anonfun$createTable$1.apply$mcV$sp(HiveExternalCatalog.scala:246) at org.apache.spark.sql.hive.HiveExternalCatalog$$anonfun$createTable$1.apply(HiveExternalCatalog.scala:236) at org.apache.spark.sql.hive.HiveExternalCatalog$$anonfun$createTable$1.apply(HiveExternalCatalog.scala:236) at org.apache.spark.sql.hive.HiveExternalCatalog.withClient(HiveExternalCatalog.scala:97) at org.apache.spark.sql.hive.HiveExternalCatalog.createTable(HiveExternalCatalog.scala:236) at org.apache.spark.sql.catalyst.catalog.ExternalCatalogWithListener.createTable(ExternalCatalogWithListener.scala:94) at org.apache.spark.sql.catalyst.catalog.SessionCatalog.createTable(SessionCatalog.scala:319) at org.apache.spark.sql.execution.command.CreateViewCommand.run(views.scala:165) at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:70) at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:68) at org.apache.spark.sql.execution.command.ExecutedCommandExec.executeCollect(commands.scala:79) at org.apache.spark.sql.Dataset$$anonfun$6.apply(Dataset.scala:195) at org.apache.spark.sql.Dataset$$anonfun$6.apply(Dataset.scala:195) at org.apache.spark.sql.Dataset$$anonfun$53.apply(Dataset.scala:3365) at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:78) at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:125) at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:73) at org.apache.spark.sql.Dataset.withAction(Dataset.scala:3364) at org.apache.spark.sql.Dataset.<init>(Dataset.scala:195) at org.apache.spark.sql.Dataset$.ofRows(Dataset.scala:80) at
> org.apache.spark.sql.SparkSession.sql(SparkSession.scala:642) ... 49 elided scala> spark.catalog.tableExists("testSparkReplace") res13: Boolean = false
> scala>
> {code}
>
> As we can see, it does not happen for the first 11 executions and then the exception is thrown and then the table does not exist, so it is dropped, but not created again
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