org.apache.paimon.predicate

类 PredicateBuilder

java.lang.Object

org.apache.paimon.predicate.PredicateBuilder

@Public
public class PredicateBuilder
extends Object

A utility class to create Predicate object for common filter conditions.

从以下版本开始:

0.4.0

构造器概要

构造器

构造器和说明
PredicateBuilder(RowType rowType)

方法概要

限定符和类型	方法和说明
static Predicate	and(List<Predicate> predicates)
static Predicate	and(Predicate... predicates)
Predicate	between(int idx, Object includedLowerBound, Object includedUpperBound)
static boolean	containsFields(Predicate predicate, Set<String> fields)
static Object	convertJavaObject(DataType literalType, Object o)
Predicate	equal(int idx, Object literal)
static Predicate	equalPartition(BinaryRow partition, RowType partitionType)
Predicate	greaterOrEqual(int idx, Object literal)
Predicate	greaterThan(int idx, Object literal)
Predicate	in(int idx, List<Object> literals)
int	indexOf(String field)
Predicate	isNotNull(int idx)
Predicate	isNull(int idx)
Predicate	leaf(LeafUnaryFunction function, int idx)
Predicate	leaf(NullFalseLeafBinaryFunction function, int idx, Object literal)
Predicate	lessOrEqual(int idx, Object literal)
Predicate	lessThan(int idx, Object literal)
Predicate	notEqual(int idx, Object literal)
Predicate	notIn(int idx, List<Object> literals)
static Predicate	or(List<Predicate> predicates)
static Predicate	or(Predicate... predicates)
static Predicate	partition(Map<String,String> map, RowType rowType)
static List<Predicate>	pickTransformFieldMapping(List<Predicate> predicates, int[] fieldIdxMapping)
static List<Predicate>	pickTransformFieldMapping(List<Predicate> predicates, List<String> inputFields, List<String> pickedFields)
static List<Predicate>	splitAnd(Predicate predicate)
static List<Predicate>	splitOr(Predicate predicate)
Predicate	startsWith(int idx, Object patternLiteral)
static Optional<Predicate>	transformFieldMapping(Predicate predicate, int[] fieldIdxMapping)

从类继承的方法 java.lang.Object

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

构造器详细资料

PredicateBuilder

public PredicateBuilder(RowType rowType)

方法详细资料

indexOf

public int indexOf(String field)

equal

public Predicate equal(int idx,
                       Object literal)

notEqual

public Predicate notEqual(int idx,
                          Object literal)

lessThan

public Predicate lessThan(int idx,
                          Object literal)

lessOrEqual

public Predicate lessOrEqual(int idx,
                             Object literal)

greaterThan

public Predicate greaterThan(int idx,
                             Object literal)

greaterOrEqual

public Predicate greaterOrEqual(int idx,
                                Object literal)

isNull

public Predicate isNull(int idx)

isNotNull

public Predicate isNotNull(int idx)

startsWith

public Predicate startsWith(int idx,
                            Object patternLiteral)

leaf

public Predicate leaf(NullFalseLeafBinaryFunction function,
                      int idx,
                      Object literal)

leaf

public Predicate leaf(LeafUnaryFunction function,
                      int idx)

in

public Predicate in(int idx,
                    List<Object> literals)

notIn

public Predicate notIn(int idx,
                       List<Object> literals)

between

public Predicate between(int idx,
                         Object includedLowerBound,
                         Object includedUpperBound)

and

public static Predicate and(Predicate... predicates)

and

public static Predicate and(List<Predicate> predicates)

or

public static Predicate or(Predicate... predicates)

or

public static Predicate or(List<Predicate> predicates)

splitAnd

public static List<Predicate> splitAnd(@Nullable
                                       Predicate predicate)

splitOr

public static List<Predicate> splitOr(@Nullable
                                      Predicate predicate)

convertJavaObject

public static Object convertJavaObject(DataType literalType,
                                       Object o)

pickTransformFieldMapping

public static List<Predicate> pickTransformFieldMapping(List<Predicate> predicates,
                                                        List<String> inputFields,
                                                        List<String> pickedFields)

pickTransformFieldMapping

public static List<Predicate> pickTransformFieldMapping(List<Predicate> predicates,
                                                        int[] fieldIdxMapping)

transformFieldMapping

public static Optional<Predicate> transformFieldMapping(Predicate predicate,
                                                        int[] fieldIdxMapping)

containsFields

public static boolean containsFields(Predicate predicate,
                                     Set<String> fields)

partition

@Nullable
public static Predicate partition(Map<String,String> map,
                                            RowType rowType)

equalPartition

public static Predicate equalPartition(BinaryRow partition,
                                       RowType partitionType)