org.apache.iceberg.parquet

Class ParquetBloomRowGroupFilter

java.lang.Object

org.apache.iceberg.parquet.ParquetBloomRowGroupFilter

public class ParquetBloomRowGroupFilter
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ParquetBloomRowGroupFilter(Schema schema, Expression unbound)
ParquetBloomRowGroupFilter(Schema schema, Expression unbound, boolean caseSensitive)

Method Summary

Modifier and Type	Method and Description
boolean	shouldRead(org.apache.parquet.schema.MessageType fileSchema, org.apache.parquet.hadoop.metadata.BlockMetaData rowGroup, org.apache.parquet.hadoop.BloomFilterReader bloomReader) Tests whether the bloom for a row group may contain records that match the expression.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ParquetBloomRowGroupFilter

public ParquetBloomRowGroupFilter(Schema schema,
                                  Expression unbound)

ParquetBloomRowGroupFilter

public ParquetBloomRowGroupFilter(Schema schema,
                                  Expression unbound,
                                  boolean caseSensitive)

Method Detail

shouldRead

public boolean shouldRead(org.apache.parquet.schema.MessageType fileSchema,
                          org.apache.parquet.hadoop.metadata.BlockMetaData rowGroup,
                          org.apache.parquet.hadoop.BloomFilterReader bloomReader)

Tests whether the bloom for a row group may contain records that match the expression.

Parameters:

fileSchema - schema for the Parquet file

rowGroup - metadata for a row group

bloomReader - a bloom filter reader

Returns:

false if the file cannot contain rows that match the expression, true otherwise.