vinodkc commented on a change in pull request #32411:
URL: https://github.com/apache/spark/pull/32411#discussion_r631705687
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/DataWritingCommand.scala
##########
@@ -96,4 +98,23 @@ object DataWritingCommand {
sparkContext.getLocalProperty(SQLExecution.EXECUTION_ID_KEY),
metrics.values.toSeq)
}
+
+ def assertEmptyRootPath(tablePath: URI, saveMode: SaveMode, sparkSession:
SparkSession) {
+ if (saveMode != SaveMode.Overwrite &&
+ !sparkSession.sqlContext.conf.allowCreateTableAsSelectNonEmptyLocation) {
+ val filePath = new org.apache.hadoop.fs.Path(tablePath)
+ val fs =
filePath.getFileSystem(sparkSession.sparkContext.hadoopConfiguration)
+ if(fs != null && fs.exists(filePath)) {
+ val locStats = fs.getFileStatus(filePath)
+ if(locStats != null && locStats.isDirectory) {
Review comment:
combined 3 if conditions to 1
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