XuQianJin-Stars commented on a change in pull request #4455:
URL: https://github.com/apache/hudi/pull/4455#discussion_r775731656
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File path:
hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/command/DropHoodieTableCommand.scala
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@@ -85,25 +91,42 @@ case class DropHoodieTableCommand(
}
private def dropHiveDataSourceTable(
- sparkSession: SparkSession,
- table: CatalogTable,
- ifExists: Boolean,
- purge: Boolean): Unit = {
+ sparkSession: SparkSession,
+ hoodieCatalogTable: HoodieCatalogTable): Unit = {
+ val table = hoodieCatalogTable.table
val dbName = table.identifier.database.get
val tableName = table.identifier.table
+
// check database exists
val dbExists = sparkSession.sessionState.catalog.databaseExists(dbName)
if (!dbExists) {
throw new NoSuchDatabaseException(dbName)
}
- // check table exists
- if (!sparkSession.sessionState.catalog.tableExists(table.identifier)) {
- throw new NoSuchTableException(dbName, table.identifier.table)
+
+ if (HoodieTableType.MERGE_ON_READ == hoodieCatalogTable.tableType &&
purge) {
+ val snapshotTableName = hoodieCatalogTable.tableName +
SUFFIX_SNAPSHOT_TABLE
+ val roTableName = hoodieCatalogTable.tableName +
SUFFIX_READ_OPTIMIZED_TABLE
+
+ dropHiveTable(sparkSession, dbName, snapshotTableName)
+ dropHiveTable(sparkSession, dbName, roTableName)
+ dropHiveTable(sparkSession, dbName, hoodieCatalogTable.tableName, purge)
Review comment:
> why still need the original tableName?
Because purge deletes the directory of the original table.
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