iwanttobepowerful commented on PR #48145:
URL: https://github.com/apache/spark/pull/48145#issuecomment-2796202913
```sql
create table correlated_scalar_t1(c1 bigint, c2 bigint);
create table correlated_scalar_t2(c1 bigint, c2 bigint);
create table correlated_scalar_t3(c1 bigint, c2 bigint);
insert into correlated_scalar_t1 values (1,null),(null,1),(1,2),
(null,2),(1,3), (2,4), (2,5), (3,3), (3,4), (20,2), (22,3), (24,4),(null,null);
insert into correlated_scalar_t2 values (1,null),(null,1),(1,4), (1,2),
(null,3), (2,4), (3,7), (3,9),(null,null),(5,1);
insert into correlated_scalar_t3 values (1,null),(null,1),(1,9), (1,8),
(null,7), (2,6), (3,7), (3,9),(null,null),(5,1);
select c1 from correlated_scalar_t1 where correlated_scalar_t1.c2 > (select
c1 from correlated_scalar_t2 where correlated_scalar_t1.c1 =
correlated_scalar_t2.c1 and correlated_scalar_t2.c2 < 4) order by c1;
```
should return
```
1
1
```
but spark
```
[SCALAR_SUBQUERY_TOO_MANY_ROWS] More than one row returned by a subquery
used as an expression. SQLSTATE: 21000
org.apache.spark.SparkRuntimeException: [SCALAR_SUBQUERY_TOO_MANY_ROWS] More
than one row returned by a subquery used as an expression. SQLSTATE: 21000
at
org.apache.spark.sql.errors.QueryExecutionErrors$.scalarSubqueryReturnsMultipleRows(QueryExecutionErrors.scala:2534)
at
org.apache.spark.sql.errors.QueryExecutionErrors.scalarSubqueryReturnsMultipleRows(QueryExecutionErrors.scala)
at
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown
Source)
at
org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
at
org.apache.spark.sql.execution.WholeStageCodegenEvaluatorFactory$WholeStageCodegenPartitionEvaluator$$anon$1.hasNext(WholeStageCodegenEvaluatorFactory.scala:50)
at scala.collection.Iterator$$anon$9.hasNext(Iterator.scala:583)
at scala.collection.Iterator$$anon$9.hasNext(Iterator.scala:583)
at
org.apache.spark.util.random.SamplingUtils$.reservoirSampleAndCount(SamplingUtils.scala:41)
at
org.apache.spark.RangePartitioner$.$anonfun$sketch$1(Partitioner.scala:342)
at
org.apache.spark.RangePartitioner$.$anonfun$sketch$1$adapted(Partitioner.scala:340)
at
org.apache.spark.rdd.RDD.$anonfun$mapPartitionsWithIndex$2(RDD.scala:918)
at
org.apache.spark.rdd.RDD.$anonfun$mapPartitionsWithIndex$2$adapted(RDD.scala:918)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:374)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:338)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:93)
```
```
== Parsed Logical Plan ==
'Sort ['c1 ASC NULLS FIRST], true
+- 'Project ['c1]
+- 'Filter ('correlated_scalar_t1.c2 > scalar-subquery#335 [])
: +- 'Project ['c1]
: +- 'Filter (('correlated_scalar_t1.c1 =
'correlated_scalar_t2.c1) AND ('correlated_scalar_t2.c2 < 4))
: +- 'UnresolvedRelation [correlated_scalar_t2], [], false
+- 'UnresolvedRelation [correlated_scalar_t1], [], false
== Analyzed Logical Plan ==
c1: bigint
Sort [c1#204L ASC NULLS FIRST], true
+- Project [c1#204L]
+- Filter (c2#205L > scalar-subquery#335 [c1#204L])
: +- Project [c1#206L]
: +- Filter ((outer(c1#204L) = c1#206L) AND (c2#207L < cast(4 as
bigint)))
: +- SubqueryAlias spark_catalog.default.correlated_scalar_t2
: +- Relation
spark_catalog.default.correlated_scalar_t2[c1#206L,c2#207L] parquet
+- SubqueryAlias spark_catalog.default.correlated_scalar_t1
+- Relation
spark_catalog.default.correlated_scalar_t1[c1#204L,c2#205L] parquet
== Optimized Logical Plan ==
Sort [c1#204L ASC NULLS FIRST], true
+- Project [c1#204L]
+- Filter (isnotnull(c1#206L) AND (c2#205L > c1#206L))
+- Join LeftSingle, (c1#204L = c1#206L)
:- Filter isnotnull(c2#205L)
: +- Relation
spark_catalog.default.correlated_scalar_t1[c1#204L,c2#205L] parquet
+- Project [c1#206L]
+- Filter (isnotnull(c2#207L) AND (c2#207L < 4))
+- Relation
spark_catalog.default.correlated_scalar_t2[c1#206L,c2#207L] parquet
== Physical Plan ==
AdaptiveSparkPlan isFinalPlan=false
+- Sort [c1#204L ASC NULLS FIRST], true, 0
+- Exchange rangepartitioning(c1#204L ASC NULLS FIRST, 200),
ENSURE_REQUIREMENTS, [plan_id=5062]
+- Project [c1#204L]
+- Filter (isnotnull(c1#206L) AND (c2#205L > c1#206L))
+- BroadcastHashJoin [c1#204L], [c1#206L], LeftSingle,
BuildRight, false
:- Filter isnotnull(c2#205L)
: +- FileScan parquet
spark_catalog.default.correlated_scalar_t1[c1#204L,c2#205L] Batched: true,
DataFilters: [isnotnull(c2#205L)], Format: Parquet, Location:
InMemoryFileIndex(1
paths)[file:/Users/zhangweihua/IdeaProjects/spark/spark-warehouse/correlated_...,
PartitionFilters: [], PushedFilters: [IsNotNull(c2)], ReadSchema:
struct<c1:bigint,c2:bigint>
+- BroadcastExchange
HashedRelationBroadcastMode(List(input[0, bigint, true]),false), [plan_id=5057]
+- Project [c1#206L]
+- Filter (isnotnull(c2#207L) AND (c2#207L < 4))
+- FileScan parquet
spark_catalog.default.correlated_scalar_t2[c1#206L,c2#207L] Batched: true,
DataFilters: [isnotnull(c2#207L), (c2#207L < 4)], Format: Parquet, Location:
InMemoryFileIndex(1
paths)[file:/Users/zhangweihua/IdeaProjects/spark/spark-warehouse/correlated_...,
PartitionFilters: [], PushedFilters: [IsNotNull(c2), LessThan(c2,4)],
ReadSchema: struct<c1:bigint,c2:bigint>
Time taken: 0.044 seconds, Fetched 1 row(s)
```
@agubichev @cloud-fan
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