[GitHub] [carbondata] qiuchenjian commented on a change in pull request #3141: [CARBONDATA-3310]fix IndexOutOfBoundException when drop table and create table run parallel for different table

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qiuchenjian commented on a change in pull request #3141: [CARBONDATA-3310]fix IndexOutOfBoundException when drop table and create table run parallel for different table
URL: https://github.com/apache/carbondata/pull/3141#discussion_r263992050
 
 

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 File path: integration/spark2/src/main/scala/org/apache/spark/sql/hive/CarbonFileMetastore.scala
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 @@ -424,16 +436,21 @@ class CarbonFileMetastore extends CarbonMetaStore {
    * @param tableName
    */
   def removeTableFromMetadata(dbName: String, tableName: String): Unit = {
-    val carbonTableToBeRemoved: Option[CarbonTable] = getTableFromMetadataCache(dbName, tableName)
-    carbonTableToBeRemoved match {
-      case Some(carbonTable) =>
-        metadata.carbonTables -= carbonTable
-      case None =>
-        if (LOGGER.isDebugEnabled) {
-          LOGGER.debug(s"No entry for table $tableName in database $dbName")
-        }
+    if (isDropAllowed) {
+      val carbonTableToBeRemoved: Option[CarbonTable] = getTableFromMetadataCache(dbName, tableName)
+      carbonTableToBeRemoved match {
+        case Some(carbonTable) =>
+          metadata.carbonTables -= carbonTable
+        case None =>
+          if (LOGGER.isDebugEnabled) {
+            LOGGER.debug(s"No entry for table $tableName in database $dbName")
+          }
+      }
+      CarbonMetadata.getInstance.removeTable(dbName, tableName)
+    } else {
+      Thread.sleep(250)
 
 Review comment:
   Better to add timeout

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