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[SQL] add @group tab in limit() and count() #3458

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[SQL] add @group tab in limit() and count() #3458

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4 changes: 4 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/SchemaRDD.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -225,6 +225,8 @@ class SchemaRDD(
* {{{
* schemaRDD.limit(10)
* }}}
*
* @group Query
*/
def limit(limitNum: Int): SchemaRDD =
new SchemaRDD(sqlContext, Limit(Literal(limitNum), logicalPlan))
Expand Down Expand Up @@ -355,6 +357,8 @@ class SchemaRDD(
* Return the number of elements in the RDD. Unlike the base RDD implementation of count, this
* implementation leverages the query optimizer to compute the count on the SchemaRDD, which
* supports features such as filter pushdown.
*
* @group Query
*/
@Experimental
override def count(): Long = aggregate(Count(Literal(1))).collect().head.getLong(0)
Expand Down