org.apache.iceberg.parquet

Class ParquetMetricsRowGroupFilter

java.lang.Object

org.apache.iceberg.parquet.ParquetMetricsRowGroupFilter

public class ParquetMetricsRowGroupFilter
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ParquetMetricsRowGroupFilter(Schema schema, Expression unbound)
ParquetMetricsRowGroupFilter(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) Test whether the file 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

ParquetMetricsRowGroupFilter

public ParquetMetricsRowGroupFilter(Schema schema,
                                    Expression unbound)

ParquetMetricsRowGroupFilter

public ParquetMetricsRowGroupFilter(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)

Test whether the file may contain records that match the expression.

Parameters:

fileSchema - schema for the Parquet file

rowGroup - metadata for a row group

Returns:

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