ashutosh-jindal commented on code in PR #55441:
URL: https://github.com/apache/spark/pull/55441#discussion_r3434649761
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sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala:
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@@ -1480,6 +1480,33 @@ class SparkSqlAstBuilder extends AstBuilder {
}
}
+ /**
+ * A command for users to list the partition names of a table. If partition
spec is specified,
+ * only partitions that match the spec are returned. Otherwise all
partitions are returned.
+ *
+ * Without `AS JSON`, this creates a [[ShowPartitions]] logical plan (one
row per partition).
+ * With `AS JSON`, this creates a [[ShowPartitionsJsonCommand]] that returns
a single JSON
+ * document.
+ *
+ * The syntax of using this command in SQL is:
+ * {{{
+ * SHOW PARTITIONS multi_part_name [partition_spec] [AS JSON];
+ * }}}
+ */
+ override def visitShowPartitions(ctx: ShowPartitionsContext): LogicalPlan =
withOrigin(ctx) {
+ val asJson = ctx.JSON != null
Review Comment:
@cloud-fan Agreed. `visitShowPartitions` is back in `AstBuilder` and i have
reverted other corresponding changes.
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