ParquetGroupScanStatistics (Drill : 1.20.3 API)

```
public class ParquetGroupScanStatistics<T extends BaseMetadata & LocationProvider>
extends Object
```
Holds common statistics about data in parquet group scan, including information about total row count, columns counts, partition columns.

Constructors
Constructor and Description
`ParquetGroupScanStatistics(Collection<T> rowGroupInfos)`
`ParquetGroupScanStatistics(ParquetGroupScanStatistics<T> that)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`collect(Collection<T> metadataList)`
`long`	`getColumnValueCount(SchemaPath column)`
`List<SchemaPath>`	`getPartitionColumns()`
`Map<org.apache.hadoop.fs.Path,Object>`	`getPartitionPaths(SchemaPath column)`
`Object`	`getPartitionValue(org.apache.hadoop.fs.Path path, SchemaPath column)`
`long`	`getRowCount()`
`TypeProtos.MajorType`	`getTypeForColumn(SchemaPath schemaPath)`

public ParquetGroupScanStatistics(Collection<T> rowGroupInfos)

public ParquetGroupScanStatistics(ParquetGroupScanStatistics<T> that)

public long getColumnValueCount(SchemaPath column)

public List<SchemaPath> getPartitionColumns()

public TypeProtos.MajorType getTypeForColumn(SchemaPath schemaPath)

public Object getPartitionValue(org.apache.hadoop.fs.Path path,
                                SchemaPath column)

public Map<org.apache.hadoop.fs.Path,Object> getPartitionPaths(SchemaPath column)

public void collect(Collection<T> metadataList)

Class ParquetGroupScanStatistics<T extends BaseMetadata & LocationProvider>