Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/12121#discussion_r58418160
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala ---
@@ -409,116 +406,40 @@ class SparkSqlAstBuilder extends AstBuilder {
Option(ctx.STRING).map(string),
Option(ctx.tablePropertyList).map(visitTablePropertyList),
// TODO a partition spec is allowed to have optional values. This is
currently violated.
- Option(ctx.partitionSpec).map(visitNonOptionalPartitionSpec))(
- command(ctx))
+ Option(ctx.partitionSpec).map(visitNonOptionalPartitionSpec))
}
- /**
- * Create an [[AlterTableStorageProperties]] command.
- *
- * For example:
- * {{{
- * ALTER TABLE table CLUSTERED BY (col, ...) [SORTED BY (col, ...)]
INTO n BUCKETS;
- * }}}
- */
+ // TODO: don't even bother parsing alter table commands related to
bucketing and skewing
+
override def visitBucketTable(ctx: BucketTableContext): LogicalPlan =
withOrigin(ctx) {
- AlterTableStorageProperties(
- visitTableIdentifier(ctx.tableIdentifier),
- visitBucketSpec(ctx.bucketSpec))(
- command(ctx))
+ throw new AnalysisException(
+ "Unsupported operation: ALTER TABLE ... CLUSTERED BY ... INTO N
BUCKETS")
--- End diff --
ok
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