org.apache.hudi.source

Class ExpressionPredicates.ColumnPredicate

java.lang.Object

org.apache.hudi.source.ExpressionPredicates.ColumnPredicate

All Implemented Interfaces:

Serializable, ExpressionPredicates.Predicate

Direct Known Subclasses:

ExpressionPredicates.Equals, ExpressionPredicates.GreaterThan, ExpressionPredicates.GreaterThanOrEqual, ExpressionPredicates.In, ExpressionPredicates.LessThan, ExpressionPredicates.LessThanOrEqual, ExpressionPredicates.NotEquals

Enclosing class:

ExpressionPredicates

public abstract static class ExpressionPredicates.ColumnPredicate
extends Object
implements ExpressionPredicates.Predicate

Column predicate which depends on the given field.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected String	columnName
protected Serializable	literal
protected org.apache.flink.table.types.logical.LogicalType	literalType

Constructor Summary

Constructors

Constructor and Description
ColumnPredicate()

Method Summary

Modifier and Type	Method and Description
ExpressionPredicates.ColumnPredicate	bindFieldReference(org.apache.flink.table.expressions.FieldReferenceExpression fieldReference) Binds field reference to create a column predicate.
ExpressionPredicates.ColumnPredicate	bindValueLiteral(org.apache.flink.table.expressions.ValueLiteralExpression valueLiteral) Binds value literal to create a column predicate.
org.apache.parquet.filter2.predicate.FilterPredicate	filter() Predicates the criteria for which records to keep when loading data from a parquet file.
org.apache.flink.table.functions.FunctionDefinition	getFunctionDefinition() Returns function definition of predicate.

Methods inherited from class java.lang.Object

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

Field Detail

literalType

protected org.apache.flink.table.types.logical.LogicalType literalType

columnName

protected String columnName

literal

protected Serializable literal

Constructor Detail

ColumnPredicate

public ColumnPredicate()

Method Detail

bindFieldReference

public ExpressionPredicates.ColumnPredicate bindFieldReference(org.apache.flink.table.expressions.FieldReferenceExpression fieldReference)

Binds field reference to create a column predicate.

Parameters:

fieldReference - The field reference to negate.

Returns:

A column predicate.

bindValueLiteral

public ExpressionPredicates.ColumnPredicate bindValueLiteral(org.apache.flink.table.expressions.ValueLiteralExpression valueLiteral)

Binds value literal to create a column predicate.

Parameters:

valueLiteral - The value literal to negate.

Returns:

A column predicate.

filter

public org.apache.parquet.filter2.predicate.FilterPredicate filter()

Description copied from interface: ExpressionPredicates.Predicate

Predicates the criteria for which records to keep when loading data from a parquet file.

Specified by:

filter in interface ExpressionPredicates.Predicate

Returns:

A filter predicate of parquet file.

getFunctionDefinition

public org.apache.flink.table.functions.FunctionDefinition getFunctionDefinition()

Returns function definition of predicate.

Returns:

A function definition of predicate.