class InMemoryRelation(
output: Seq[Attribute],
useCompression: Boolean,
batchSize: Int,
storageLevel: StorageLevel,
@transient child: SparkPlan,
tableName: Option[String])(
@transient var _cachedColumnBuffers: RDD[CachedBatch] = null,
val batchStats: LongAccumulator = child.sqlContext.sparkContext.longAccumulator)
extends logical.LeafNode with MultiInstanceRelation InMemoryRelation Logical Operator
InMemoryRelation is a leaf logical operator, i.e. has no child operators. InMemoryRelation