Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/13315#discussion_r64793761
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/tables.scala ---
@@ -289,37 +289,53 @@ case class TruncateTableCommand(
val catalog = sparkSession.sessionState.catalog
if (!catalog.tableExists(tableName)) {
throw new AnalysisException(s"Table '$tableName' in TRUNCATE TABLE
does not exist.")
- } else if (catalog.isTemporaryTable(tableName)) {
+ }
+ if (catalog.isTemporaryTable(tableName)) {
throw new AnalysisException(
s"Operation not allowed: TRUNCATE TABLE on temporary tables:
'$tableName'")
+ }
+ val table = catalog.getTableMetadata(tableName)
+ if (table.tableType == CatalogTableType.EXTERNAL) {
+ throw new AnalysisException(
+ s"Operation not allowed: TRUNCATE TABLE on external tables:
'$tableName'")
+ }
+ if (table.tableType == CatalogTableType.VIEW) {
+ throw new AnalysisException(
+ s"Operation not allowed: TRUNCATE TABLE on views: '$tableName'")
+ }
+ if (DDLUtils.isDatasourceTable(table) && partitionSpec.isDefined) {
+ throw new AnalysisException(
+ s"Operation not allowed: TRUNCATE TABLE ... PARTITION is not
supported " +
+ s"for tables created using the data sources API: '$tableName'")
+ }
+ val locations = if (partitionSpec.isDefined) {
+ catalog.listPartitions(tableName,
partitionSpec).map(_.storage.locationUri)
} else {
- val locations = if (partitionSpec.isDefined) {
- catalog.listPartitions(tableName,
partitionSpec).map(_.storage.locationUri)
+ if (table.partitionColumnNames.nonEmpty) {
+ catalog.listPartitions(tableName).map(_.storage.locationUri)
--- End diff --
This is for hive table, right?
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