com.facebook.presto.orc

Interface OrcPredicate

All Known Implementing Classes:

TupleDomainOrcPredicate

public interface OrcPredicate

Field Summary

Fields

Modifier and Type	Field and Description
static OrcPredicate	TRUE

Method Summary

Modifier and Type	Method and Description
boolean	matches(long numberOfRows, Map<Integer,ColumnStatistics> statisticsByColumnIndex) Should the ORC reader process a file section with the specified statistics.

Field Detail

TRUE

static final OrcPredicate TRUE

Method Detail

matches

boolean matches(long numberOfRows,
                Map<Integer,ColumnStatistics> statisticsByColumnIndex)

Should the ORC reader process a file section with the specified statistics.

Parameters:

numberOfRows - the number of rows in the segment; this can be used with ColumnStatistics to determine if a column is only null

statisticsByColumnIndex - statistics for column by ordinal position in the file; this will match the field order from the hive metastore