[jira] [Created] (SPARK-29786) Fix MetaException when dropping a partition not exists on HDFS.

["Deegue (Jira)" <ji...@apache.org>]

Deegue created SPARK-29786:
------------------------------

             Summary: Fix MetaException when dropping a partition not exists on HDFS.
                 Key: SPARK-29786
                 URL: https://issues.apache.org/jira/browse/SPARK-29786
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Deegue


When we drop a partition which doesn't exist on HDFS, we will receive `MetaException`.
But actually the partition has been dropped.

In Hive, no exception will thrown in this case.

For example:
If we execute alter table test.tmp drop partition(stat_day=20190516);
(the partition stat_day=20190516 exists on Hive meta, but doesn't exist on HDFS)

We will get :

{code:java}
Error: Error running query: MetaException(message:File does not exist: /user/hive/warehouse/test.db/tmp/stat_day=20190516
   at org.apache.hadoop.hdfs.server.namenode.FSDirectory.getContentSummary(FSDirectory.java:2414)
   at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:4719)
   at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1237)
   at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.getContentSummary(AuthorizationProviderProxyClientProtocol.java:568)
   at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:896)
   at org.apache.hadoop.hdfs. protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
   at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
   at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
   at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2278)
   at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2274)
   at java.security.AccessController.doPrivileged(Native Method)
   at javax.security.auth.Subject.doAs(Subject.java:422)
   at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
   at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2274)
) (state=,code=0)
{code}





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