org.apache.drill.exec.store.parquet

Class ParquetRGFilterEvaluator

java.lang.Object

org.apache.drill.exec.store.parquet.ParquetRGFilterEvaluator

public class ParquetRGFilterEvaluator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ParquetRGFilterEvaluator.FieldReferenceFinder Search through a LogicalExpression, finding all internal schema path references and returning them in a set.

Constructor Summary

Constructors

Constructor and Description
ParquetRGFilterEvaluator()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	canDrop(LogicalExpression expr, Map<SchemaPath,ColumnStatistics> columnStatisticsMap, long rowCount, UdfUtilities udfUtilities, FunctionImplementationRegistry functionImplementationRegistry)
static boolean	canDrop(ParquetFilterPredicate parquetPredicate, Map<SchemaPath,ColumnStatistics> columnStatisticsMap, long rowCount)
static boolean	evalFilter(LogicalExpression expr, org.apache.parquet.hadoop.metadata.ParquetMetadata footer, int rowGroupIndex, OptionManager options, FragmentContext fragmentContext)
static boolean	evalFilter(LogicalExpression expr, org.apache.parquet.hadoop.metadata.ParquetMetadata footer, int rowGroupIndex, OptionManager options, FragmentContext fragmentContext, Map<String,String> implicitColValues)

Methods inherited from class java.lang.Object

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

Constructor Detail

ParquetRGFilterEvaluator

public ParquetRGFilterEvaluator()

Method Detail

evalFilter

public static boolean evalFilter(LogicalExpression expr,
                 org.apache.parquet.hadoop.metadata.ParquetMetadata footer,
                 int rowGroupIndex,
                 OptionManager options,
                 FragmentContext fragmentContext)

evalFilter

public static boolean evalFilter(LogicalExpression expr,
                 org.apache.parquet.hadoop.metadata.ParquetMetadata footer,
                 int rowGroupIndex,
                 OptionManager options,
                 FragmentContext fragmentContext,
                 Map<String,String> implicitColValues)

canDrop

public static boolean canDrop(ParquetFilterPredicate parquetPredicate,
              Map<SchemaPath,ColumnStatistics> columnStatisticsMap,
              long rowCount)

canDrop

public static boolean canDrop(LogicalExpression expr,
              Map<SchemaPath,ColumnStatistics> columnStatisticsMap,
              long rowCount,
              UdfUtilities udfUtilities,
              FunctionImplementationRegistry functionImplementationRegistry)