wangyum commented on a change in pull request #24906: 
[SPARK-28104][SQL][test-hadoop3.2] Implement Spark's own GetColumnsOperation
URL: https://github.com/apache/spark/pull/24906#discussion_r296273421
 
 

 ##########
 File path: 
sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkGetColumnsOperation.scala
 ##########
 @@ -0,0 +1,140 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql.hive.thriftserver
+
+import java.util.UUID
+import java.util.regex.Pattern
+
+import scala.collection.JavaConverters.seqAsJavaListConverter
+
+import 
org.apache.hadoop.hive.ql.security.authorization.plugin.{HiveOperationType, 
HivePrivilegeObject}
+import 
org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilegeObject.HivePrivilegeObjectType
+import org.apache.hive.service.cli._
+import org.apache.hive.service.cli.operation.GetColumnsOperation
+import org.apache.hive.service.cli.session.HiveSession
+
+import org.apache.spark.internal.Logging
+import org.apache.spark.sql.SQLContext
+import org.apache.spark.sql.catalyst.TableIdentifier
+import org.apache.spark.sql.catalyst.catalog.SessionCatalog
+import 
org.apache.spark.sql.hive.thriftserver.ThriftserverShimUtils.toJavaSQLType
+
+/**
+ * Spark's own SparkGetColumnsOperation
+ *
+ * @param sqlContext SQLContext to use
+ * @param parentSession a HiveSession from SessionManager
+ * @param catalogName catalog name. NULL if not applicable.
+ * @param schemaName database name, NULL or a concrete database name
+ * @param tableName table name
+ * @param columnName column name
+ */
+private[hive] class SparkGetColumnsOperation(
+    sqlContext: SQLContext,
+    parentSession: HiveSession,
+    catalogName: String,
+    schemaName: String,
+    tableName: String,
+    columnName: String)
+  extends GetColumnsOperation(parentSession, catalogName, schemaName, 
tableName, columnName)
+    with Logging {
+
+  val catalog: SessionCatalog = sqlContext.sessionState.catalog
+
+  private var statementId: String = _
+
+  override def runInternal(): Unit = {
+    statementId = UUID.randomUUID().toString
+    logInfo(s"Getting columns with $statementId")
+    setState(OperationState.RUNNING)
+    // Always use the latest class loader provided by executionHive's state.
+    val executionHiveClassLoader = sqlContext.sharedState.jarClassLoader
+    Thread.currentThread().setContextClassLoader(executionHiveClassLoader)
+
+    val schemaPattern = convertSchemaPattern(schemaName)
+    val tablePattern = convertIdentifierPattern(tableName, true)
+
+    var columnPattern: Pattern = null
+    if (columnName != null) {
+      columnPattern = Pattern.compile(convertIdentifierPattern(columnName, 
false))
+    }
+
+    val db2Tabs = catalog.listDatabases(schemaPattern).map { dbName =>
+      (dbName, catalog.listTables(dbName, tablePattern))
+    }.toMap
 
 Review comment:
   Thank you @juliuszsompolski It seems need more changes:
   ```java
   19/06/21 22:51:53 WARN ThriftCLIService: Error getting tables: 
   java.lang.RuntimeException: org.apache.spark.sql.AnalysisException: 
org.apache.hadoop.hive.ql.metadata.HiveException: Unable to fetch tables of db 
global_temp;
           at 
org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:83)
           at 
org.apache.hive.service.cli.session.HiveSessionProxy.access$000(HiveSessionProxy.java:36)
           at 
org.apache.hive.service.cli.session.HiveSessionProxy$1.run(HiveSessionProxy.java:63)
           at java.security.AccessController.doPrivileged(Native Method)
           at javax.security.auth.Subject.doAs(Subject.java:422)
           at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1746)
           at 
org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:59)
           at com.sun.proxy.$Proxy23.getTables(Unknown Source)
           at 
org.apache.hive.service.cli.CLIService.getTables(CLIService.java:326)
           at 
org.apache.hive.service.cli.thrift.ThriftCLIService.GetTables(ThriftCLIService.java:495)
           at 
org.apache.hive.service.cli.thrift.TCLIService$Processor$GetTables.getResult(TCLIService.java:1393)
           at 
org.apache.hive.service.cli.thrift.TCLIService$Processor$GetTables.getResult(TCLIService.java:1378)
           at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38)
           at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
           at 
org.apache.hive.service.auth.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:53)
           at 
org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:310)
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
           at java.lang.Thread.run(Thread.java:748)
   Caused by: org.apache.spark.sql.AnalysisException: 
org.apache.hadoop.hive.ql.metadata.HiveException: Unable to fetch tables of db 
global_temp;
           at 
org.apache.spark.sql.hive.HiveExternalCatalog.withClient(HiveExternalCatalog.scala:109)
           at 
org.apache.spark.sql.hive.HiveExternalCatalog.getTablesByName(HiveExternalCatalog.scala:710)
           at 
org.apache.spark.sql.catalyst.catalog.ExternalCatalogWithListener.getTablesByName(ExternalCatalogWithListener.scala:142)
           at 
org.apache.spark.sql.catalyst.catalog.SessionCatalog.getTablesByName(SessionCatalog.scala:459)
           at 
org.apache.spark.sql.hive.thriftserver.SparkGetTablesOperation.$anonfun$runInternal$1(SparkGetTablesOperation.scala:89)
           at 
org.apache.spark.sql.hive.thriftserver.SparkGetTablesOperation.$anonfun$runInternal$1$adapted(SparkGetTablesOperation.scala:87)
           at 
scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)
           at 
scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)
           at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49)
           at 
org.apache.spark.sql.hive.thriftserver.SparkGetTablesOperation.runInternal(SparkGetTablesOperation.scala:87)
           at 
org.apache.hive.service.cli.operation.Operation.run(Operation.java:257)
           at 
org.apache.hive.service.cli.session.HiveSessionImpl.getTables(HiveSessionImpl.java:556)
           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
           at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
           at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.lang.reflect.Method.invoke(Method.java:498)
           at 
org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:78)
           ... 18 more
   Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to fetch 
tables of db global_temp
           at 
org.apache.spark.sql.hive.client.HiveClientImpl.getRawTablesByName(HiveClientImpl.scala:401)
           at 
org.apache.spark.sql.hive.client.HiveClientImpl.$anonfun$getTablesByName$1(HiveClientImpl.scala:412)
           at 
org.apache.spark.sql.hive.client.HiveClientImpl.$anonfun$withHiveState$1(HiveClientImpl.scala:310)
           at 
org.apache.spark.sql.hive.client.HiveClientImpl.liftedTree1$1(HiveClientImpl.scala:244)
           at 
org.apache.spark.sql.hive.client.HiveClientImpl.retryLocked(HiveClientImpl.scala:243)
           at 
org.apache.spark.sql.hive.client.HiveClientImpl.withHiveState(HiveClientImpl.scala:293)
           at 
org.apache.spark.sql.hive.client.HiveClientImpl.getTablesByName(HiveClientImpl.scala:412)
           at 
org.apache.spark.sql.hive.HiveExternalCatalog.getRawTablesByNames(HiveExternalCatalog.scala:124)
           at 
org.apache.spark.sql.hive.HiveExternalCatalog.$anonfun$getTablesByName$1(HiveExternalCatalog.scala:710)
           at 
org.apache.spark.sql.hive.HiveExternalCatalog.withClient(HiveExternalCatalog.scala:99)
           ... 34 more
   Caused by: UnknownDBException(message:Could not find database global_temp)
           at 
org.apache.hadoop.hive.metastore.ObjectStore.getTableObjectsByName(ObjectStore.java:1022)
           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
           at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
           at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.lang.reflect.Method.invoke(Method.java:498)
           at 
org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:114)
           at com.sun.proxy.$Proxy13.getTableObjectsByName(Unknown Source)
           at 
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_table_objects_by_name(HiveMetaStore.java:1854)
           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
           at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
           at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.lang.reflect.Method.invoke(Method.java:498)
           at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:107)
           at com.sun.proxy.$Proxy15.get_table_objects_by_name(Unknown Source)
           at 
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.getTableObjectsByName(HiveMetaStoreClient.java:1223)
           at 
org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.getTableObjectsByName(SessionHiveMetaStoreClient.java:197)
           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:498)
           at 
org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:156)
           at com.sun.proxy.$Proxy16.getTableObjectsByName(Unknown Source)
           at 
org.apache.spark.sql.hive.client.HiveClientImpl.getRawTablesByName(HiveClientImpl.scala:397)
           ... 43 more
   ```
   
   How about support `GLOBAL TEMP VIEW` and `TEMPORARY VIEW` in the next PR?

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