Support GpuHashJoin on Structs (#2173)

Signed-off-by: sperlingxx <[email protected]>

docs/supported_ops.md

@@ -561,9 +561,9 @@ Accelerator supports are described below.
 <td>S</td>
 <td><b>NS</b></td>
 <td><b>NS</b></td>
-<td><em>PS* (missing nested DECIMAL, BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
+<td><em>PS* (missing nested BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
 <td><b>NS</b></td>
-<td><em>PS* (missing nested DECIMAL, BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
+<td><em>PS* (missing nested BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
 <td><b>NS</b></td>
 </tr>
 <tr>
@@ -607,9 +607,9 @@ Accelerator supports are described below.
 <td>S</td>
 <td><b>NS</b></td>
 <td><b>NS</b></td>
-<td><em>PS* (missing nested DECIMAL, BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
+<td><em>PS* (missing nested BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
 <td><b>NS</b></td>
-<td><em>PS* (missing nested DECIMAL, BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
+<td><em>PS* (missing nested BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
 <td><b>NS</b></td>
 </tr>
 <tr>
@@ -676,9 +676,9 @@ Accelerator supports are described below.
 <td>S</td>
 <td><b>NS</b></td>
 <td><b>NS</b></td>
-<td><em>PS* (missing nested DECIMAL, BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
+<td><em>PS* (missing nested BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
 <td><b>NS</b></td>
-<td><em>PS* (missing nested DECIMAL, BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
+<td><em>PS* (missing nested BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
 <td><b>NS</b></td>
 </tr>
 <tr>
@@ -699,9 +699,9 @@ Accelerator supports are described below.
 <td>S</td>
 <td><b>NS</b></td>
 <td><b>NS</b></td>
-<td><em>PS* (missing nested DECIMAL, BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
+<td><em>PS* (missing nested BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
 <td><b>NS</b></td>
-<td><em>PS* (missing nested DECIMAL, BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
+<td><em>PS* (missing nested BINARY, CALENDAR, ARRAY, MAP, STRUCT, UDT)</em></td>
 <td><b>NS</b></td>
 </tr>
 <tr>

integration_tests/src/main/python/join_test.py

@@ -33,13 +33,30 @@
         pytest.param(FloatGen(nullable=False), marks=[incompat]),
         pytest.param(DoubleGen(nullable=False), marks=[incompat])]
 
+basic_struct_gen = StructGen([
+    ['child' + str(ind), sub_gen]
+    for ind, sub_gen in enumerate([StringGen(), ByteGen(), ShortGen(), IntegerGen(), LongGen(),
+                                   BooleanGen(), DateGen(), TimestampGen(), null_gen, decimal_gen_default])],
+    nullable=True)
+
+basic_struct_gen_with_no_null_child = StructGen([
+    ['child' + str(ind), sub_gen]
+    for ind, sub_gen in enumerate([StringGen(nullable=False), ByteGen(nullable=False),
+                                   ShortGen(nullable=False), IntegerGen(nullable=False), LongGen(nullable=False),
+                                   BooleanGen(nullable=False), DateGen(nullable=False), TimestampGen(nullable=False)])],
+    nullable=True)
+
+basic_struct_gen_with_floats = StructGen([['child0', FloatGen()], ['child1', DoubleGen()]], nullable=False)
+
+struct_gens = [basic_struct_gen, basic_struct_gen_with_no_null_child]
+
 double_gen = [pytest.param(DoubleGen(), marks=[incompat])]
 
 _sortmerge_join_conf = {'spark.sql.autoBroadcastJoinThreshold': '-1',
                         'spark.sql.join.preferSortMergeJoin': 'True',
                         'spark.sql.shuffle.partitions': '2',
-                        'spark.sql.legacy.allowNegativeScaleOfDecimal': 'true'
-                       }
+                        'spark.sql.legacy.allowNegativeScaleOfDecimal': 'true',
+                        }
 
 # For spark to insert a shuffled hash join it has to be enabled with
 # "spark.sql.join.preferSortMergeJoin" = "false" and both sides have to
@@ -121,16 +138,6 @@ def do_join(spark):
         return left.join(right, left.key == right.r_key, join_type)
     assert_gpu_and_cpu_are_equal_collect(do_join, conf=_sortmerge_join_conf)
 
-@allow_non_gpu('SortMergeJoinExec', 'SortExec', 'KnownFloatingPointNormalized', 'NormalizeNaNAndZero', 'CreateNamedStruct', 'GetStructField', 'Literal', 'If', 'IsNull')
-@ignore_order(local=True)
-@pytest.mark.parametrize('data_gen', [all_basic_struct_gen], ids=idfn)
-@pytest.mark.parametrize('join_type', ['Left', 'Right', 'Inner', 'LeftSemi', 'LeftAnti', 'Cross', 'FullOuter'], ids=idfn)
-def test_sortmerge_join_struct_as_key(data_gen, join_type):
-    def do_join(spark):
-        left, right = create_df(spark, data_gen, 500, 500)
-        return left.join(right, left.a == right.r_a, join_type)
-    assert_gpu_fallback_collect(do_join, 'SortMergeJoinExec', conf=_sortmerge_join_conf)
-
 # For spark to insert a shuffled hash join it has to be enabled with
 # "spark.sql.join.preferSortMergeJoin" = "false" and both sides have to
 # be larger than a broadcast hash join would want
@@ -173,26 +180,6 @@ def do_join(spark):
         return left.join(broadcast(right), left.key == right.r_key, join_type)
     assert_gpu_and_cpu_are_equal_collect(do_join, conf=allow_negative_scale_of_decimal_conf)
 
-@allow_non_gpu('BroadcastHashJoinExec', 'BroadcastExchangeExec', 'KnownFloatingPointNormalized', 'ArrayTransform', 'LambdaFunction', 'NamedLambdaVariable', 'NormalizeNaNAndZero')
-@ignore_order(local=True)
-@pytest.mark.parametrize('data_gen', single_level_array_gens, ids=idfn)
-@pytest.mark.parametrize('join_type', ['Left', 'Inner', 'LeftSemi', 'LeftAnti'], ids=idfn)
-def test_broadcast_join_right_array_as_key(data_gen, join_type):
-    def do_join(spark):
-        left, right = create_df(spark, data_gen, 500, 50)
-        return left.join(broadcast(right), left.a == right.r_a, join_type)
-    assert_gpu_fallback_collect(do_join, 'BroadcastHashJoinExec', conf=allow_negative_scale_of_decimal_conf)
-
-@allow_non_gpu('BroadcastHashJoinExec', 'BroadcastExchangeExec', 'KnownFloatingPointNormalized', 'NormalizeNaNAndZero', 'CreateNamedStruct', 'GetStructField', 'Literal', 'If', 'IsNull')
-@ignore_order(local=True)
-@pytest.mark.parametrize('data_gen', [all_basic_struct_gen], ids=idfn)
-@pytest.mark.parametrize('join_type', ['Left', 'Inner', 'LeftSemi', 'LeftAnti'], ids=idfn)
-def test_broadcast_join_right_struct_as_key(data_gen, join_type):
-    def do_join(spark):
-        left, right = create_df(spark, data_gen, 500, 50)
-        return left.join(broadcast(right), left.a == right.r_a, join_type)
-    assert_gpu_fallback_collect(do_join, 'BroadcastHashJoinExec', conf=allow_negative_scale_of_decimal_conf)
-
 @ignore_order(local=True)
 @pytest.mark.parametrize('data_gen', [all_basic_struct_gen], ids=idfn)
 # Not all join types can be translated to a broadcast join, but this tests them to be sure we
@@ -376,3 +363,85 @@ def do_join(spark):
     # Even though Spark does not know the size of an RDD input so it will not do a broadcast join unless
     # we tell it to, this is just to be safe
     assert_gpu_and_cpu_are_equal_collect(do_join, {'spark.sql.autoBroadcastJoinThreshold': '1'})
+
+# local sort because of https://github.com/NVIDIA/spark-rapids/issues/84
+# After 3.1.0 is the min spark version we can drop this
+@ignore_order(local=True)
+@pytest.mark.parametrize('data_gen', struct_gens, ids=idfn)
+@pytest.mark.parametrize('join_type', ['Inner', 'Left', 'Right', 'Cross', 'LeftSemi', 'LeftAnti'], ids=idfn)
+def test_sortmerge_join_struct_as_key(data_gen, join_type):
+    def do_join(spark):
+        left, right = create_df(spark, data_gen, 500, 250)
+        return left.join(right, left.a == right.r_a, join_type)
+    assert_gpu_and_cpu_are_equal_collect(do_join, conf=_sortmerge_join_conf)
+
+# local sort because of https://github.com/NVIDIA/spark-rapids/issues/84
+# After 3.1.0 is the min spark version we can drop this
+@ignore_order(local=True)
+@pytest.mark.parametrize('data_gen', struct_gens, ids=idfn)
+@pytest.mark.parametrize('join_type', ['Inner', 'Left', 'Right', 'Cross', 'LeftSemi', 'LeftAnti'], ids=idfn)
+def test_sortmerge_join_struct_mixed_key(data_gen, join_type):
+    def do_join(spark):
+        left = two_col_df(spark, data_gen, int_gen, length=500)
+        right = two_col_df(spark, data_gen, int_gen, length=500)
+        return left.join(right, (left.a == right.a) & (left.b == right.b), join_type)
+    assert_gpu_and_cpu_are_equal_collect(do_join, conf=_sortmerge_join_conf)
+
+# local sort because of https://github.com/NVIDIA/spark-rapids/issues/84
+# After 3.1.0 is the min spark version we can drop this
+@ignore_order(local=True)
+@pytest.mark.parametrize('data_gen', struct_gens, ids=idfn)
+@pytest.mark.parametrize('join_type', ['Inner', 'Left', 'Right', 'Cross', 'LeftSemi', 'LeftAnti'], ids=idfn)
+def test_sortmerge_join_struct_mixed_key_with_null_filter(data_gen, join_type):
+    def do_join(spark):
+        left = two_col_df(spark, data_gen, int_gen, length=500)
+        right = two_col_df(spark, data_gen, int_gen, length=500)
+        return left.join(right, (left.a == right.a) & (left.b == right.b), join_type)
+    # Disable constraintPropagation to test null filter on built table with nullable structures.
+    conf = {'spark.sql.constraintPropagation.enabled': 'false', **_sortmerge_join_conf}
+    assert_gpu_and_cpu_are_equal_collect(do_join, conf=conf)
+
+# local sort because of https://github.com/NVIDIA/spark-rapids/issues/84
+# After 3.1.0 is the min spark version we can drop this
+@ignore_order(local=True)
+@pytest.mark.parametrize('data_gen', struct_gens, ids=idfn)
+@pytest.mark.parametrize('join_type', ['Inner', 'Left', 'Right', 'Cross', 'LeftSemi', 'LeftAnti'], ids=idfn)
+def test_broadcast_join_right_struct_as_key(data_gen, join_type):
+    def do_join(spark):
+        left, right = create_df(spark, data_gen, 500, 250)
+        return left.join(broadcast(right), left.a == right.r_a, join_type)
+    assert_gpu_and_cpu_are_equal_collect(do_join, conf=allow_negative_scale_of_decimal_conf)
+
+# local sort because of https://github.com/NVIDIA/spark-rapids/issues/84
+# After 3.1.0 is the min spark version we can drop this
+@ignore_order(local=True)
+@pytest.mark.parametrize('data_gen', struct_gens, ids=idfn)
+@pytest.mark.parametrize('join_type', ['Inner', 'Left', 'Right', 'Cross', 'LeftSemi', 'LeftAnti'], ids=idfn)
+def test_broadcast_join_right_struct_mixed_key(data_gen, join_type):
+    def do_join(spark):
+        left = two_col_df(spark, data_gen, int_gen, length=500)
+        right = two_col_df(spark, data_gen, int_gen, length=250)
+        return left.join(broadcast(right), (left.a == right.a) & (left.b == right.b), join_type)
+    assert_gpu_and_cpu_are_equal_collect(do_join, conf=allow_negative_scale_of_decimal_conf)
+
+# local sort because of https://github.com/NVIDIA/spark-rapids/issues/84
+# After 3.1.0 is the min spark version we can drop this
+@ignore_order(local=True)
+@pytest.mark.xfail(reason='https://github.com/NVIDIA/spark-rapids/issues/2140')
+@pytest.mark.parametrize('data_gen', [basic_struct_gen_with_floats], ids=idfn)
+@pytest.mark.parametrize('join_type', ['Inner', 'Left', 'Right', 'Cross', 'LeftSemi', 'LeftAnti'], ids=idfn)
+def test_sortmerge_join_struct_with_floats_key(data_gen, join_type):
+    def do_join(spark):
+        left, right = create_df(spark, data_gen, 500, 250)
+        return left.join(right, left.a == right.r_a, join_type)
+    assert_gpu_and_cpu_are_equal_collect(do_join, conf=_sortmerge_join_conf)
+
+@allow_non_gpu('SortMergeJoinExec', 'SortExec', 'KnownFloatingPointNormalized', 'NormalizeNaNAndZero', 'CreateNamedStruct', 'GetStructField', 'Literal', 'If', 'IsNull')
+@ignore_order(local=True)
+@pytest.mark.parametrize('data_gen', struct_gens, ids=idfn)
+@pytest.mark.parametrize('join_type', ['FullOuter'], ids=idfn)
+def test_sortmerge_join_struct_as_key_fallback(data_gen, join_type):
+    def do_join(spark):
+        left, right = create_df(spark, data_gen, 500, 500)
+        return left.join(right, left.a == right.r_a, join_type)
+    assert_gpu_fallback_collect(do_join, 'SortMergeJoinExec', conf=_sortmerge_join_conf)

shims/spark300/src/main/scala/com/nvidia/spark/rapids/shims/spark300/GpuBroadcastHashJoinExec.scala

@@ -151,7 +151,7 @@ case class GpuBroadcastHashJoinExec(
         GpuProjectExec.project(broadcastRelation.value.batch, gpuBuildKeys)) { keys =>
         val combined = GpuHashJoin.incRefCount(combine(keys, broadcastRelation.value.batch))
         withResource(combined) { combined =>
-          GpuColumnVector.from(combined)
+          filterBuiltNullsIfNecessary(GpuColumnVector.from(combined))
         }
       }
 

shims/spark300/src/main/scala/com/nvidia/spark/rapids/shims/spark300/Spark300Shims.scala

@@ -216,17 +216,20 @@ class Spark300Shims extends SparkShims {
       GpuOverrides.exec[SortMergeJoinExec](
         "Sort merge join, replacing with shuffled hash join",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+            TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuSortMergeJoinMeta(join, conf, p, r)),
       GpuOverrides.exec[BroadcastHashJoinExec](
         "Implementation of join using broadcast data",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+            TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuBroadcastHashJoinMeta(join, conf, p, r)),
       GpuOverrides.exec[ShuffledHashJoinExec](
         "Implementation of join using hashed shuffled data",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+            TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuShuffledHashJoinMeta(join, conf, p, r))
     ).map(r => (r.getClassFor.asSubclass(classOf[SparkPlan]), r)).toMap
   }

shims/spark301/src/main/scala/com/nvidia/spark/rapids/shims/spark301/GpuBroadcastHashJoinExec.scala

@@ -149,7 +149,7 @@ case class GpuBroadcastHashJoinExec(
         GpuProjectExec.project(broadcastRelation.value.batch, gpuBuildKeys)) { keys =>
         val combined = GpuHashJoin.incRefCount(combine(keys, broadcastRelation.value.batch))
         withResource(combined) { combined =>
-          GpuColumnVector.from(combined)
+          filterBuiltNullsIfNecessary(GpuColumnVector.from(combined))
         }
       }
 

shims/spark301/src/main/scala/com/nvidia/spark/rapids/shims/spark301/Spark301Shims.scala

@@ -46,17 +46,20 @@ class Spark301Shims extends Spark300Shims {
       GpuOverrides.exec[SortMergeJoinExec](
         "Sort merge join, replacing with shuffled hash join",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuSortMergeJoinMeta(join, conf, p, r)),
       GpuOverrides.exec[BroadcastHashJoinExec](
         "Implementation of join using broadcast data",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuBroadcastHashJoinMeta(join, conf, p, r)),
       GpuOverrides.exec[ShuffledHashJoinExec](
         "Implementation of join using hashed shuffled data",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuShuffledHashJoinMeta(join, conf, p, r))
     ).map(r => (r.getClassFor.asSubclass(classOf[SparkPlan]), r))
   }

shims/spark301db/src/main/scala/com/nvidia/spark/rapids/shims/spark301db/GpuBroadcastHashJoinExec.scala

@@ -148,7 +148,7 @@ case class GpuBroadcastHashJoinExec(
         GpuProjectExec.project(broadcastRelation.value.batch, gpuBuildKeys)) { keys =>
         val combined = GpuHashJoin.incRefCount(combine(keys, broadcastRelation.value.batch))
         withResource(combined) { combined =>
-          GpuColumnVector.from(combined)
+          filterBuiltNullsIfNecessary(GpuColumnVector.from(combined))
         }
       }
 

shims/spark311/src/main/scala/com/nvidia/spark/rapids/shims/spark311/GpuBroadcastHashJoinExec.scala

@@ -153,7 +153,7 @@ case class GpuBroadcastHashJoinExec(
         GpuProjectExec.project(broadcastRelation.value.batch, gpuBuildKeys)) { keys =>
         val combined = GpuHashJoin.incRefCount(combine(keys, broadcastRelation.value.batch))
         withResource(combined) { combined =>
-          GpuColumnVector.from(combined)
+          filterBuiltNullsIfNecessary(GpuColumnVector.from(combined))
         }
       }
 

shims/spark311/src/main/scala/com/nvidia/spark/rapids/shims/spark311/Spark311Shims.scala

@@ -294,17 +294,20 @@ class Spark311Shims extends Spark301Shims {
       GpuOverrides.exec[SortMergeJoinExec](
         "Sort merge join, replacing with shuffled hash join",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+            TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuSortMergeJoinMeta(join, conf, p, r)),
       GpuOverrides.exec[BroadcastHashJoinExec](
         "Implementation of join using broadcast data",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+            TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuBroadcastHashJoinMeta(join, conf, p, r)),
       GpuOverrides.exec[ShuffledHashJoinExec](
         "Implementation of join using hashed shuffled data",
         ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+            TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL
+        ), TypeSig.all),
         (join, conf, p, r) => new GpuShuffledHashJoinMeta(join, conf, p, r))
     ).map(r => (r.getClassFor.asSubclass(classOf[SparkPlan]), r))
   }

sql-plugin/src/main/scala/com/nvidia/spark/rapids/GpuOverrides.scala

@@ -2842,7 +2842,8 @@ object GpuOverrides {
     exec[BroadcastExchangeExec](
       "The backend for broadcast exchange of data",
       ExecChecks((TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL + TypeSig.ARRAY +
-        TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL), TypeSig.all),
+          TypeSig.STRUCT).nested(TypeSig.commonCudfTypes + TypeSig.NULL + TypeSig.DECIMAL)
+        , TypeSig.all),
       (exchange, conf, p, r) => new GpuBroadcastMeta(exchange, conf, p, r)),
     exec[BroadcastNestedLoopJoinExec](
       "Implementation of join using brute force",

sql-plugin/src/main/scala/com/nvidia/spark/rapids/GpuShuffledHashJoinBase.scala

@@ -84,7 +84,7 @@ abstract class GpuShuffledHashJoinBase(
               combinedSize =
                   GpuColumnVector.extractColumns(combined)
                       .map(_.getBase.getDeviceMemorySize).sum.toInt
-              GpuColumnVector.from(combined)
+              filterBuiltNullsIfNecessary(GpuColumnVector.from(combined))
             }
           }
         }