Github user jose-torres commented on a diff in the pull request: https://github.com/apache/spark/pull/21559#discussion_r195516859 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/sources/memoryV2.scala --- @@ -110,40 +126,61 @@ class MemorySinkV2 extends DataSourceV2 with StreamWriteSupport with MemorySinkB def clear(): Unit = synchronized { batches.clear() + numRows = 0 + } + + private def truncateRowsIfNeeded(rows: Array[Row], maxRows: Int, batchId: Long): Array[Row] = { --- End diff -- Can this go in MemorySinkBase?
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