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[SPARK-53483][SQL] Support disable code-gen for sort merge join other than FULL OUTER and Existence #52227

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[SPARK-53483][SQL] Support disable code-gen for sort merge join other than FULL OUTER and Existence #52227

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[SPARK-53483] Support disable code-gen for sort merge join other than…
zml1206 Sep 4, 2025
d73b2e0
fix conf name
zml1206 Sep 4, 2025
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10 changes: 9 additions & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -3028,6 +3028,14 @@ object SQLConf {
.booleanConf
.createWithDefault(true)

val ENABLE_SORT_MERGE_JOIN_CODEGEN =
buildConf("spark.sql.codegen.join.sortMergeJoin.enabled")
.internal()
.doc("When true, enables code-gen for sort merge join other than FULL OUTER and Existence.")
.version("4.1.0")
.booleanConf
.createWithDefault(true)

val MAX_NESTED_VIEW_DEPTH =
buildConf("spark.sql.view.maxNestedViewDepth")
.internal()
Expand Down Expand Up @@ -3605,7 +3613,7 @@ object SQLConf {
"join operator")
.version("2.2.1")
.intConf
.createWithDefault(ByteArrayMethods.MAX_ROUNDED_ARRAY_LENGTH)
.createWithDefault(4096)

val SORT_MERGE_JOIN_EXEC_BUFFER_SPILL_THRESHOLD =
buildConf("spark.sql.sortMergeJoinExec.buffer.spill.threshold")
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2 changes: 1 addition & 1 deletion sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -167,7 +167,7 @@ case class SortMergeJoinExec(
override def supportCodegen: Boolean = joinType match {
case FullOuter => conf.getConf(SQLConf.ENABLE_FULL_OUTER_SORT_MERGE_JOIN_CODEGEN)
case _: ExistenceJoin => conf.getConf(SQLConf.ENABLE_EXISTENCE_SORT_MERGE_JOIN_CODEGEN)
case _ => true
case _ => conf.getConf(SQLConf.ENABLE_SORT_MERGE_JOIN_CODEGEN)
}

override def inputRDDs(): Seq[RDD[InternalRow]] = {
Expand Down