org.apache.hadoop.hive.ql.io.parquet

Class FilterPredicateLeafBuilder

java.lang.Object

org.apache.hadoop.hive.ql.io.parquet.FilterPredicateLeafBuilder

public abstract class FilterPredicateLeafBuilder
extends Object

The base class for building parquet supported filter predicate in primary types.

Constructor Summary

Constructors

Constructor and Description
FilterPredicateLeafBuilder()

Method Summary

Methods

Modifier and Type	Method and Description
parquet.filter2.predicate.FilterPredicate	buildPredicate(PredicateLeaf.Operator op, List<Object> literals, String columnName) Build filter predicate with multiple constants
abstract parquet.filter2.predicate.FilterPredicate	buildPredict(PredicateLeaf.Operator op, Object constant, String columnName) Build predicate with a single constant

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterPredicateLeafBuilder

public FilterPredicateLeafBuilder()

Method Detail

buildPredicate

public parquet.filter2.predicate.FilterPredicate buildPredicate(PredicateLeaf.Operator op,
                                                       List<Object> literals,
                                                       String columnName)
                                                         throws Exception

Build filter predicate with multiple constants

Parameters:

op - IN or BETWEEN

literals -

columnName -

Returns:

Throws:

Exception

buildPredict

public abstract parquet.filter2.predicate.FilterPredicate buildPredict(PredicateLeaf.Operator op,
                                                     Object constant,
                                                     String columnName)
                                                                throws Exception

Build predicate with a single constant

Parameters:

op - EQUALS, NULL_SAFE_EQUALS, LESS_THAN, LESS_THAN_EQUALS, IS_NULL

constant -

columnName -

Returns:

null or a FilterPredicate, null means no filter will be executed

Throws:

Exception