jerryshao commented on a change in pull request #674: [WIP]Supports spark-3.0 
data source V2 APIs
URL: https://github.com/apache/incubator-iceberg/pull/674#discussion_r353592567
 
 

 ##########
 File path: 
spark/src/main/java/org/apache/iceberg/spark/source/IcebergBatchScan.java
 ##########
 @@ -70,31 +70,32 @@
 import org.apache.spark.sql.catalyst.expressions.GenericInternalRow;
 import org.apache.spark.sql.catalyst.expressions.JoinedRow;
 import org.apache.spark.sql.catalyst.expressions.UnsafeProjection;
+import org.apache.spark.sql.connector.read.Batch;
+import org.apache.spark.sql.connector.read.InputPartition;
+import org.apache.spark.sql.connector.read.PartitionReader;
+import org.apache.spark.sql.connector.read.PartitionReaderFactory;
+import org.apache.spark.sql.connector.read.Scan;
+import org.apache.spark.sql.connector.read.Statistics;
+import org.apache.spark.sql.connector.read.SupportsPushDownFilters;
+import org.apache.spark.sql.connector.read.SupportsPushDownRequiredColumns;
+import org.apache.spark.sql.connector.read.SupportsReportStatistics;
 import org.apache.spark.sql.sources.Filter;
-import org.apache.spark.sql.sources.v2.DataSourceOptions;
-import org.apache.spark.sql.sources.v2.reader.DataSourceReader;
-import org.apache.spark.sql.sources.v2.reader.InputPartition;
-import org.apache.spark.sql.sources.v2.reader.InputPartitionReader;
-import org.apache.spark.sql.sources.v2.reader.Statistics;
-import org.apache.spark.sql.sources.v2.reader.SupportsPushDownFilters;
-import org.apache.spark.sql.sources.v2.reader.SupportsPushDownRequiredColumns;
-import org.apache.spark.sql.sources.v2.reader.SupportsReportStatistics;
 import org.apache.spark.sql.types.BinaryType;
 import org.apache.spark.sql.types.DataType;
 import org.apache.spark.sql.types.Decimal;
 import org.apache.spark.sql.types.DecimalType;
 import org.apache.spark.sql.types.StringType;
 import org.apache.spark.sql.types.StructField;
 import org.apache.spark.sql.types.StructType;
+import org.apache.spark.sql.util.CaseInsensitiveStringMap;
 import org.apache.spark.unsafe.types.UTF8String;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import scala.collection.JavaConverters;
 
-class Reader implements DataSourceReader, SupportsPushDownFilters, 
SupportsPushDownRequiredColumns,
+public class IcebergBatchScan implements Scan,
 
 Review comment:
   Why do we need to change to `public`?

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