org.apache.drill.exec.store.parquet.stat

Interface ColumnStatCollector

All Known Implementing Classes:

ParquetFooterStatCollector, ParquetMetaStatCollector

public interface ColumnStatCollector

Method Summary

Methods

Modifier and Type	Method and Description
Map<SchemaPath,ColumnStatistics>	collectColStat(Set<SchemaPath> fields) Given a list of fields (SchemaPath), return mapping from field to its corresponding ColumnStatistics

Method Detail

collectColStat

Map<SchemaPath,ColumnStatistics> collectColStat(Set<SchemaPath> fields)

Given a list of fields (SchemaPath), return mapping from field to its corresponding ColumnStatistics

Returns: