cloud-fan commented on a change in pull request #32547:
URL: https://github.com/apache/spark/pull/32547#discussion_r633622121
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala
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@@ -822,6 +845,44 @@ case class SortMergeJoinExec(
""".stripMargin
}
+ /**
+ * Generates the code for Left Anti join.
+ */
+ private def codegenAnti(
+ streamedInput: String,
+ findNextJoinRows: String,
+ beforeLoop: String,
+ matchIterator: String,
+ bufferedRow: String,
+ conditionCheck: String,
+ loadStreamed: String,
+ hasOutputRow: String,
+ outputRow: String,
+ eagerCleanup: String): String = {
+ s"""
+ |while ($streamedInput.hasNext()) {
+ | $findNextJoinRows;
+ | $beforeLoop
+ | boolean $hasOutputRow = false;
Review comment:
nit: `hasMatchedRow`? Has matched row means no output row.
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