cloud-fan commented on a change in pull request #32411:
URL: https://github.com/apache/spark/pull/32411#discussion_r633635249
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/DataWritingCommand.scala
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@@ -96,4 +99,19 @@ object DataWritingCommand {
sparkContext.getLocalProperty(SQLExecution.EXECUTION_ID_KEY),
metrics.values.toSeq)
}
+
+ def assertEmptyRootPath(tablePath: URI, saveMode: SaveMode, hadoopConf:
Configuration) {
+ if (saveMode != SaveMode.Overwrite &&
!SQLConf.get.allowNonEmptyLocationInCTAS) {
Review comment:
Can we add a bit more comment to explain the save mode here? For SQL
CTAS, the mode is always append?
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