org.apache.flink.table.planner.functions.inference

Class CallBindingCallContext

java.lang.Object

org.apache.flink.table.planner.functions.inference.AbstractSqlCallContext

org.apache.flink.table.planner.functions.inference.CallBindingCallContext

All Implemented Interfaces:

org.apache.flink.table.types.inference.CallContext

@Internal
public final class CallBindingCallContext
extends AbstractSqlCallContext

A CallContext backed by SqlCallBinding. Compared to OperatorBindingCallContext, this class is able to reorder arguments.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.table.planner.functions.inference.AbstractSqlCallContext

AbstractSqlCallContext.LiteralValueAccessor

Constructor Summary

Constructors

Constructor and Description
CallBindingCallContext(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory, org.apache.flink.table.functions.FunctionDefinition definition, org.apache.calcite.sql.SqlCallBinding binding, org.apache.calcite.rel.type.RelDataType outputType)

Method Summary

Modifier and Type	Method and Description
List<org.apache.flink.table.types.DataType>	getArgumentDataTypes()
<T> Optional<T>	getArgumentValue(int pos, Class<T> clazz)
Optional<org.apache.flink.table.types.DataType>	getOutputDataType()
boolean	isArgumentLiteral(int pos)
boolean	isArgumentNull(int pos)

Methods inherited from class org.apache.flink.table.planner.functions.inference.AbstractSqlCallContext

getDataTypeFactory, getFunctionDefinition, getLiteralValueAs, getName

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.types.inference.CallContext

newValidationError

Constructor Detail

CallBindingCallContext

public CallBindingCallContext(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory,
                              org.apache.flink.table.functions.FunctionDefinition definition,
                              org.apache.calcite.sql.SqlCallBinding binding,
                              @Nullable
                              org.apache.calcite.rel.type.RelDataType outputType)

Method Detail

isArgumentLiteral

public boolean isArgumentLiteral(int pos)

isArgumentNull

public boolean isArgumentNull(int pos)

getArgumentValue

public <T> Optional<T> getArgumentValue(int pos,
                                        Class<T> clazz)

getArgumentDataTypes

public List<org.apache.flink.table.types.DataType> getArgumentDataTypes()

getOutputDataType

public Optional<org.apache.flink.table.types.DataType> getOutputDataType()