Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/12146#discussion_r59093916
--- 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) {
+ throw new ParseException("Unsupported operation: PURGE option", ctx)
+ }
+ if (ctx.REPLICATION != null) {
--- End diff --
This is a 2015 feature. https://issues.apache.org/jira/browse/HIVE-10228 It
is introduced for replication. I think we also need to ban it for alter table.
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