Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2069#discussion_r175339254
--- Diff:
hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonFileInputFormat.java
---
@@ -30,64 +27,28 @@
import org.apache.carbondata.common.annotations.InterfaceAudience;
import org.apache.carbondata.common.annotations.InterfaceStability;
-import org.apache.carbondata.core.constants.CarbonCommonConstants;
-import org.apache.carbondata.core.datamap.DataMapChooser;
-import org.apache.carbondata.core.datamap.DataMapLevel;
import org.apache.carbondata.core.datamap.Segment;
-import org.apache.carbondata.core.datamap.dev.expr.DataMapExprWrapper;
import org.apache.carbondata.core.datastore.impl.FileFactory;
-import org.apache.carbondata.core.exception.InvalidConfigurationException;
-import org.apache.carbondata.core.indexstore.ExtendedBlocklet;
-import org.apache.carbondata.core.indexstore.PartitionSpec;
-import
org.apache.carbondata.core.indexstore.blockletindex.BlockletDataMapFactory;
import
org.apache.carbondata.core.indexstore.blockletindex.SegmentIndexFileStore;
import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier;
-import org.apache.carbondata.core.metadata.ColumnarFormatVersion;
import org.apache.carbondata.core.metadata.schema.PartitionInfo;
-import org.apache.carbondata.core.metadata.schema.partition.PartitionType;
import org.apache.carbondata.core.metadata.schema.table.CarbonTable;
import org.apache.carbondata.core.metadata.schema.table.TableInfo;
import org.apache.carbondata.core.mutate.UpdateVO;
import org.apache.carbondata.core.scan.expression.Expression;
import org.apache.carbondata.core.scan.filter.SingleTableProvider;
import org.apache.carbondata.core.scan.filter.TableProvider;
import org.apache.carbondata.core.scan.filter.resolver.FilterResolverIntf;
-import org.apache.carbondata.core.scan.model.QueryModel;
-import org.apache.carbondata.core.stats.QueryStatistic;
-import org.apache.carbondata.core.stats.QueryStatisticsConstants;
-import org.apache.carbondata.core.stats.QueryStatisticsRecorder;
import org.apache.carbondata.core.statusmanager.SegmentUpdateStatusManager;
-import org.apache.carbondata.core.util.CarbonProperties;
-import org.apache.carbondata.core.util.CarbonTimeStatisticsFactory;
import org.apache.carbondata.core.util.CarbonUtil;
-import org.apache.carbondata.core.util.DataTypeConverter;
-import org.apache.carbondata.core.util.DataTypeConverterImpl;
import org.apache.carbondata.core.util.path.CarbonTablePath;
import org.apache.carbondata.hadoop.CarbonInputSplit;
-import org.apache.carbondata.hadoop.CarbonMultiBlockSplit;
-import org.apache.carbondata.hadoop.CarbonProjection;
-import org.apache.carbondata.hadoop.CarbonRecordReader;
-import org.apache.carbondata.hadoop.readsupport.CarbonReadSupport;
-import
org.apache.carbondata.hadoop.readsupport.impl.DictionaryDecodeReadSupport;
import org.apache.carbondata.hadoop.util.CarbonInputFormatUtil;
-import org.apache.carbondata.hadoop.util.ObjectSerializationUtil;
import org.apache.carbondata.hadoop.util.SchemaReader;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.LocalFileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.mapred.JobConf;
-import org.apache.hadoop.mapred.Reporter;
import org.apache.hadoop.mapreduce.InputSplit;
import org.apache.hadoop.mapreduce.JobContext;
-import org.apache.hadoop.mapreduce.RecordReader;
-import org.apache.hadoop.mapreduce.TaskAttemptContext;
-import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
-import org.apache.hadoop.mapreduce.lib.input.FileSplit;
-import org.apache.hadoop.mapreduce.security.TokenCache;
/**
* Input format of CarbonData file.
--- End diff --
change description
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