Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/12146#discussion_r59068141
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala ---
@@ -367,6 +367,22 @@ class SparkSqlAstBuilder extends AstBuilder {
}
/**
+ * Create a [[DropTable]] command.
+ */
+ override def visitDropTable(ctx: DropTableContext): LogicalPlan =
withOrigin(ctx) {
+ if (ctx.PURGE != null) {
+ logWarning("PURGE option is ignored.")
--- End diff --
The function we called is
https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java#L1118-L1132
Basically, the parameter value of `ifPurge` is `false`. That means, the
data of the to-be-dropped table will not be permanently deleted. That will be
put in the `Trash` directory.
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