Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/12169#discussion_r58600702
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala ---
@@ -553,9 +553,13 @@ class SparkSqlAstBuilder extends AstBuilder {
* ALTER TABLE table ADD [IF NOT EXISTS] PARTITION spec [LOCATION
'loc1']
* ALTER VIEW view ADD [IF NOT EXISTS] PARTITION spec
* }}}
+ *
+ * ALTER VIEW ... DROP PARTITION ... is not supported because the
concept of partitioning
+ * is associated with physical tables
*/
override def visitAddTablePartition(
ctx: AddTablePartitionContext): LogicalPlan = withOrigin(ctx) {
+ if (ctx.VIEW != null) throw new ParseException(s"Unsupported
partitioned view", ctx)
--- End diff --
I think @yhuai prefers to say something like `Operation not allowed:
partitioned views` for the message
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