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explainする例を追加 #8

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@hiroshi-cl hiroshi-cl commented Jul 22, 2025

各split strategyでexplainを出力するコード例です

sbt "runMain jp.cedretaber.minispark.FlowJoinExplain"

Iterator

== Physical Plan ==
AdaptiveSparkPlan isFinalPlan=false
+- Union
   :- ShuffledHashJoin [lang_id#153], [id#165], Inner, BuildRight
   :  :- Exchange hashpartitioning(lang_id#153, 200), ENSURE_REQUIREMENTS, [plan_id=275]
   :  :  +- LocalTableScan [id#150, name#151, user_id#152, lang_id#153]
   :  +- Exchange hashpartitioning(id#165, 200), ENSURE_REQUIREMENTS, [plan_id=276]
   :     +- LocalTableScan [id#165, name#166]
   +- BroadcastHashJoin [lang_id#145], [id#161], Inner, BuildRight, false
      :- LocalTableScan [id#142, name#143, user_id#144, lang_id#145]
      +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=278]
         +- LocalTableScan [id#161, name#162]

GroupBy

== Physical Plan ==
AdaptiveSparkPlan isFinalPlan=false
+- Union
   :- ShuffledHashJoin [lang_id#247], [id#256], Inner, BuildRight
   :  :- Exchange hashpartitioning(lang_id#247, 200), ENSURE_REQUIREMENTS, [plan_id=442]
   :  :  +- LocalTableScan [id#244, name#245, user_id#246, lang_id#247]
   :  +- Exchange hashpartitioning(id#256, 200), ENSURE_REQUIREMENTS, [plan_id=443]
   :     +- LocalTableScan [id#256, name#257]
   +- BroadcastHashJoin [lang_id#239], [id#252], Inner, BuildRight, false
      :- LocalTableScan [id#236, name#237, user_id#238, lang_id#239]
      +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=445]
         +- LocalTableScan [id#252, name#253]

Filter

== Physical Plan ==
AdaptiveSparkPlan isFinalPlan=false
+- Union
   :- ShuffledHashJoin [lang_id#84], [id#50], Inner, BuildRight
   :  :- Exchange hashpartitioning(lang_id#84, 200), ENSURE_REQUIREMENTS, [plan_id=631]
   :  :  +- Filter isnotnull(lang_id#84)
   :  :     +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8698/0x0000000802b73840@6065abaf.apply
   :  :        +- Union
   :  :           :- ShuffledHashJoin [id#17], [user_id#83], Inner, BuildRight
   :  :           :  :- Exchange hashpartitioning(id#17, 200), ENSURE_REQUIREMENTS, [plan_id=621]
   :  :           :  :  +- Filter isnotnull(id#17)
   :  :           :  :     +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8698/0x0000000802b73840@201f889a.apply
   :  :           :  :        +- FileScan csv [id#17,name#18] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<id:string,name:string>
   :  :           :  +- Exchange hashpartitioning(user_id#83, 200), ENSURE_REQUIREMENTS, [plan_id=622]
   :  :           :     +- Filter isnotnull(user_id#83)
   :  :           :        +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8698/0x0000000802b73840@7e9cece6.apply
   :  :           :           +- FileScan csv [user_id#83,lang_id#84] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<user_id:string,lang_id:string>
   :  :           +- BroadcastHashJoin [id#306], [user_id#308], Inner, BuildRight, false
   :  :              :- Filter isnotnull(id#306)
   :  :              :  +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8697/0x0000000802b73040@2bd13033.apply
   :  :              :     +- FileScan csv [id#306,name#307] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<id:string,name:string>
   :  :              +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, false]),false), [plan_id=624]
   :  :                 +- Filter isnotnull(user_id#308)
   :  :                    +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8697/0x0000000802b73040@66a4ce35.apply
   :  :                       +- FileScan csv [user_id#308,lang_id#309] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<user_id:string,lang_id:string>
   :  +- Exchange hashpartitioning(id#50, 200), ENSURE_REQUIREMENTS, [plan_id=632]
   :     +- Filter isnotnull(id#50)
   :        +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8698/0x0000000802b73840@3a23d123.apply
   :           +- FileScan csv [id#50,name#51] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/lan..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<id:string,name:string>
   +- BroadcastHashJoin [lang_id#343], [id#348], Inner, BuildRight, false
      :- Filter isnotnull(lang_id#343)
      :  +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8697/0x0000000802b73040@2341f15d.apply
      :     +- Union
      :        :- ShuffledHashJoin [id#340], [user_id#342], Inner, BuildRight
      :        :  :- Exchange hashpartitioning(id#340, 200), ENSURE_REQUIREMENTS, [plan_id=635]
      :        :  :  +- Filter isnotnull(id#340)
      :        :  :     +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8698/0x0000000802b73840@201f889a.apply
      :        :  :        +- FileScan csv [id#340,name#341] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<id:string,name:string>
      :        :  +- Exchange hashpartitioning(user_id#342, 200), ENSURE_REQUIREMENTS, [plan_id=636]
      :        :     +- Filter isnotnull(user_id#342)
      :        :        +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8698/0x0000000802b73840@7e9cece6.apply
      :        :           +- FileScan csv [user_id#342,lang_id#343] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<user_id:string,lang_id:string>
      :        +- BroadcastHashJoin [id#344], [user_id#346], Inner, BuildRight, false
      :           :- Filter isnotnull(id#344)
      :           :  +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8697/0x0000000802b73040@2bd13033.apply
      :           :     +- FileScan csv [id#344,name#345] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<id:string,name:string>
      :           +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, false]),false), [plan_id=638]
      :              +- Filter isnotnull(user_id#346)
      :                 +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8697/0x0000000802b73040@66a4ce35.apply
      :                    +- FileScan csv [user_id#346,lang_id#347] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<user_id:string,lang_id:string>
      +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, false]),false), [plan_id=644]
         +- Filter isnotnull(id#348)
            +- Filter jp.cedretaber.minispark.flowJoinStrategy.FilterSplitStrategy$$$Lambda$8697/0x0000000802b73040@1331dae.apply
               +- FileScan csv [id#348,name#349] Batched: false, DataFilters: [], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/lan..., PartitionFilters: [], PushedFilters: [], ReadSchema: struct<id:string,name:string>

Join

== Physical Plan ==
AdaptiveSparkPlan isFinalPlan=false
+- Union
   :- ShuffledHashJoin [lang_id#84], [id#50], Inner, BuildRight
   :  :- Exchange hashpartitioning(lang_id#84, 200), ENSURE_REQUIREMENTS, [plan_id=925]
   :  :  +- Union
   :  :     :- ShuffledHashJoin [id#17], [user_id#83], Inner, BuildRight
   :  :     :  :- Exchange hashpartitioning(id#17, 200), ENSURE_REQUIREMENTS, [plan_id=907]
   :  :     :  :  +- BroadcastHashJoin [id#17], [id#361], LeftAnti, BuildRight, false
   :  :     :  :     :- Filter isnotnull(id#17)
   :  :     :  :     :  +- FileScan csv [id#17,name#18] Batched: false, DataFilters: [isnotnull(id#17)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:string,name:string>
   :  :     :  :     +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=898]
   :  :     :  :        +- LocalTableScan [id#361]
   :  :     :  +- Exchange hashpartitioning(user_id#83, 200), ENSURE_REQUIREMENTS, [plan_id=908]
   :  :     :     +- BroadcastHashJoin [lang_id#84], [id#408], LeftAnti, BuildRight, false
   :  :     :        :- BroadcastHashJoin [user_id#83], [id#379], LeftAnti, BuildRight, false
   :  :     :        :  :- Filter (isnotnull(user_id#83) AND isnotnull(lang_id#84))
   :  :     :        :  :  +- FileScan csv [user_id#83,lang_id#84] Batched: false, DataFilters: [isnotnull(user_id#83), isnotnull(lang_id#84)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [IsNotNull(user_id), IsNotNull(lang_id)], ReadSchema: struct<user_id:string,lang_id:string>
   :  :     :        :  +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=900]
   :  :     :        :     +- LocalTableScan [id#379]
   :  :     :        +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=903]
   :  :     :           +- LocalTableScan [id#408]
   :  :     +- BroadcastHashJoin [id#397], [user_id#400], Inner, BuildRight, false
   :  :        :- BroadcastHashJoin [id#397], [id#399], LeftSemi, BuildRight, false
   :  :        :  :- Filter isnotnull(id#397)
   :  :        :  :  +- FileScan csv [id#397,name#398] Batched: false, DataFilters: [isnotnull(id#397)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:string,name:string>
   :  :        :  +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=910]
   :  :        :     +- LocalTableScan [id#399]
   :  :        +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, false]),false), [plan_id=918]
   :  :           +- BroadcastHashJoin [lang_id#401], [id#408], LeftAnti, BuildRight, false
   :  :              :- BroadcastHashJoin [user_id#400], [id#388], LeftSemi, BuildRight, false
   :  :              :  :- Filter (isnotnull(user_id#400) AND isnotnull(lang_id#401))
   :  :              :  :  +- FileScan csv [user_id#400,lang_id#401] Batched: false, DataFilters: [isnotnull(user_id#400), isnotnull(lang_id#401)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [IsNotNull(user_id), IsNotNull(lang_id)], ReadSchema: struct<user_id:string,lang_id:string>
   :  :              :  +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=912]
   :  :              :     +- LocalTableScan [id#388]
   :  :              +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=915]
   :  :                 +- LocalTableScan [id#408]
   :  +- Exchange hashpartitioning(id#50, 200), ENSURE_REQUIREMENTS, [plan_id=926]
   :     +- BroadcastHashJoin [id#50], [id#434], LeftAnti, BuildRight, false
   :        :- Filter isnotnull(id#50)
   :        :  +- FileScan csv [id#50,name#51] Batched: false, DataFilters: [isnotnull(id#50)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/lan..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:string,name:string>
   :        +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=921]
   :           +- LocalTableScan [id#434]
   +- BroadcastHashJoin [lang_id#464], [id#473], Inner, BuildRight, false
      :- Union
      :  :- ShuffledHashJoin [id#460], [user_id#463], Inner, BuildRight
      :  :  :- Exchange hashpartitioning(id#460, 200), ENSURE_REQUIREMENTS, [plan_id=937]
      :  :  :  +- BroadcastHashJoin [id#460], [id#462], LeftAnti, BuildRight, false
      :  :  :     :- Filter isnotnull(id#460)
      :  :  :     :  +- FileScan csv [id#460,name#461] Batched: false, DataFilters: [isnotnull(id#460)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:string,name:string>
      :  :  :     +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=928]
      :  :  :        +- LocalTableScan [id#462]
      :  :  +- Exchange hashpartitioning(user_id#463, 200), ENSURE_REQUIREMENTS, [plan_id=938]
      :  :     +- BroadcastHashJoin [lang_id#464], [id#472], LeftSemi, BuildRight, false
      :  :        :- BroadcastHashJoin [user_id#463], [id#465], LeftAnti, BuildRight, false
      :  :        :  :- Filter (isnotnull(lang_id#464) AND isnotnull(user_id#463))
      :  :        :  :  +- FileScan csv [user_id#463,lang_id#464] Batched: false, DataFilters: [isnotnull(lang_id#464), isnotnull(user_id#463)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [IsNotNull(lang_id), IsNotNull(user_id)], ReadSchema: struct<user_id:string,lang_id:string>
      :  :        :  +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=930]
      :  :        :     +- LocalTableScan [id#465]
      :  :        +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=933]
      :  :           +- LocalTableScan [id#472]
      :  +- BroadcastHashJoin [id#466], [user_id#469], Inner, BuildRight, false
      :     :- BroadcastHashJoin [id#466], [id#468], LeftSemi, BuildRight, false
      :     :  :- Filter isnotnull(id#466)
      :     :  :  +- FileScan csv [id#466,name#467] Batched: false, DataFilters: [isnotnull(id#466)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:string,name:string>
      :     :  +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=940]
      :     :     +- LocalTableScan [id#468]
      :     +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, false]),false), [plan_id=948]
      :        +- BroadcastHashJoin [lang_id#470], [id#472], LeftSemi, BuildRight, false
      :           :- BroadcastHashJoin [user_id#469], [id#471], LeftSemi, BuildRight, false
      :           :  :- Filter (isnotnull(user_id#469) AND isnotnull(lang_id#470))
      :           :  :  +- FileScan csv [user_id#469,lang_id#470] Batched: false, DataFilters: [isnotnull(user_id#469), isnotnull(lang_id#470)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/use..., PartitionFilters: [], PushedFilters: [IsNotNull(user_id), IsNotNull(lang_id)], ReadSchema: struct<user_id:string,lang_id:string>
      :           :  +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=942]
      :           :     +- LocalTableScan [id#471]
      :           +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=945]
      :              +- LocalTableScan [id#472]
      +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, false]),false), [plan_id=954]
         +- BroadcastHashJoin [id#473], [id#447], LeftSemi, BuildRight, false
            :- Filter isnotnull(id#473)
            :  +- FileScan csv [id#473,name#474] Batched: false, DataFilters: [isnotnull(id#473)], Format: CSV, Location: InMemoryFileIndex(1 paths)[file:/****/spark_sample/src/main/resources/lan..., PartitionFilters: [], PushedFilters: [IsNotNull(id)], ReadSchema: struct<id:string,name:string>
            +- BroadcastExchange HashedRelationBroadcastMode(List(input[0, string, true]),false), [plan_id=951]
               +- LocalTableScan [id#447]

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