Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/20133#discussion_r159170197
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala ---
@@ -408,9 +417,17 @@ class SparkSqlAstBuilder(conf: SQLConf) extends
AstBuilder(conf) {
.map(visitIdentifierList(_).toArray)
.getOrElse(Array.empty[String])
val properties =
Option(ctx.tableProps).map(visitPropertyKeyValues).getOrElse(Map.empty)
- val bucketSpec = Option(ctx.bucketSpec()).map(visitBucketSpec)
+ val bucketSpec = if (ctx.bucketSpec().size > 1) {
+ duplicateClausesNotAllowed("CLUSTERED BY", ctx)
--- End diff --
Sure
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