org.apache.hudi.source

Class ExpressionEvaluators.NullFalseEvaluator

java.lang.Object

org.apache.hudi.source.ExpressionEvaluators.LeafEvaluator

org.apache.hudi.source.ExpressionEvaluators.NullFalseEvaluator

All Implemented Interfaces:

Serializable, ExpressionEvaluators.Evaluator

Direct Known Subclasses:

ExpressionEvaluators.EqualTo, ExpressionEvaluators.GreaterThan, ExpressionEvaluators.GreaterThanOrEqual, ExpressionEvaluators.LessThan, ExpressionEvaluators.LessThanOrEqual, ExpressionEvaluators.NotEqualTo

Enclosing class:

ExpressionEvaluators

public abstract static class ExpressionEvaluators.NullFalseEvaluator
extends ExpressionEvaluators.LeafEvaluator

Leaf evaluator which compares the field value with literal values.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Object	val

Fields inherited from class org.apache.hudi.source.ExpressionEvaluators.LeafEvaluator

index, name, type

Constructor Summary

Constructors

Constructor and Description
NullFalseEvaluator()

Method Summary

Modifier and Type	Method and Description
ExpressionEvaluators.NullFalseEvaluator	bindVal(org.apache.flink.table.expressions.ValueLiteralExpression vExpr)
boolean	eval(Map<String,ColumnStats> columnStatsMap) Evaluates whether it's possible to match based on the column stats.
protected abstract boolean	eval(@NotNull Object val, ColumnStats columnStats, org.apache.flink.table.types.logical.LogicalType type)

Methods inherited from class org.apache.hudi.source.ExpressionEvaluators.LeafEvaluator

bindFieldReference, getColumnStats

Methods inherited from class java.lang.Object

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

Field Detail

val

protected Object val

Constructor Detail

NullFalseEvaluator

public NullFalseEvaluator()

Method Detail

bindVal

public ExpressionEvaluators.NullFalseEvaluator bindVal(org.apache.flink.table.expressions.ValueLiteralExpression vExpr)

eval

public final boolean eval(Map<String,ColumnStats> columnStatsMap)

Description copied from interface: ExpressionEvaluators.Evaluator

Evaluates whether it's possible to match based on the column stats.

Parameters:

columnStatsMap - column statistics

Returns:

false if there is no any possible to match, true otherwise.

eval

protected abstract boolean eval(@NotNull
                                @NotNull Object val,
                                ColumnStats columnStats,
                                org.apache.flink.table.types.logical.LogicalType type)