Package org.apache.drill.exec.store.parquet

Class FilterEvaluatorUtils

java.lang.Object

org.apache.drill.exec.store.parquet.FilterEvaluatorUtils

public class FilterEvaluatorUtils
extends Object

Nested Class Summary

Nested Classes

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

Method Summary

Modifier and Type	Method	Description
static RowsMatch	evalFilter(LogicalExpression expr, MetadataBase.ParquetTableMetadataBase footer, int rowGroupIndex, OptionManager options, FragmentContext fragmentContext)
static RowsMatch	matches(LogicalExpression expr, Map<SchemaPath,ColumnStatistics<?>> columnsStatistics, TupleMetadata schema, long rowCount, UdfUtilities udfUtilities, FunctionLookupContext functionImplementationRegistry, Set<SchemaPath> schemaPathsInExpr)
static <T extends Comparable<T>> RowsMatch	matches(FilterPredicate<T> parquetPredicate, Map<SchemaPath,ColumnStatistics<?>> columnsStatistics, long rowCount, TupleMetadata fileMetadata, Set<SchemaPath> schemaPathsInExpr, UdfUtilities udfUtilities)

Methods inherited from class java.lang.Object

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

Method Details

evalFilter

public static RowsMatch evalFilter(LogicalExpression expr,
 MetadataBase.ParquetTableMetadataBase footer,
 int rowGroupIndex,
 OptionManager options,
 FragmentContext fragmentContext)

matches

public static RowsMatch matches(LogicalExpression expr,
 Map<SchemaPath,ColumnStatistics<?>> columnsStatistics,
 TupleMetadata schema,
 long rowCount,
 UdfUtilities udfUtilities,
 FunctionLookupContext functionImplementationRegistry,
 Set<SchemaPath> schemaPathsInExpr)

matches

public static <T extends Comparable<T>> RowsMatch matches(FilterPredicate<T> parquetPredicate,
 Map<SchemaPath,ColumnStatistics<?>> columnsStatistics,
 long rowCount,
 TupleMetadata fileMetadata,
 Set<SchemaPath> schemaPathsInExpr,
 UdfUtilities udfUtilities)