hyperspace - explain

explain.log

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Plan with indexes:
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Project [name#11]
+- Filter (isnotnull(id#10) && (id#10 = 1))
   <----+- FileScan parquet [id#10,name#11] Batched: true, Format: Parquet, Location: InMemoryFileIndex[file:/Users/mingwli/Dev/lib/hadoop-2.9.2/bin/spark-warehouse/indexes/index/v__=0], PartitionFilters: [], PushedFilters: [IsNotNull(id), EqualTo(id,1)], ReadSchema: struct<id:int,name:string>---->
 
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Plan without indexes:
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Project [name#11]
+- Filter (isnotnull(id#10) && (id#10 = 1))
   <----+- FileScan csv [id#10,name#11] Batched: false, Format: CSV, Location: InMemoryFileIndex[hdfs://localhost:9000/mingwli/customers.csv], PartitionFilters: [], PushedFilters: [IsNotNull(id), EqualTo(id,1)], ReadSchema: struct<id:int,name:string>---->
 
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Indexes used:
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index:file:/Users/mingwli/Dev/lib/hadoop-2.9.2/bin/spark-warehouse/indexes/index/v__=0
 
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Physical operator stats:
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+-----------------+-------------------+------------------+----------+
|Physical Operator|Hyperspace Disabled|Hyperspace Enabled|Difference|
+-----------------+-------------------+------------------+----------+
|        *Scan csv|                  1|                 0|        -1|
|    *Scan parquet|                  0|                 1|         1|
|           Filter|                  1|                 1|         0|
|          Project|                  1|                 1|         0|
|WholeStageCodegen|                  1|                 1|         0|
+-----------------+-------------------+------------------+----------+