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

Class LookupCallContext

java.lang.Object

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

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

All Implemented Interfaces:

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

@Internal
public class LookupCallContext
extends AbstractSqlCallContext

The CallContext of a LookupTableSource runtime function.

Nested Class Summary

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

AbstractSqlCallContext.LiteralValueAccessor

Constructor Summary

Constructors

Constructor	Description
LookupCallContext(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory, org.apache.flink.table.functions.UserDefinedFunction function, org.apache.flink.table.types.logical.LogicalType inputType, Map<Integer,LookupJoinUtil.LookupKey> lookupKeys, int[] lookupKeyOrder, org.apache.flink.table.types.logical.LogicalType lookupType)

Method Summary

Modifier and Type	Method	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, isGroupedAggregation

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

fail, getTableSemantics, newValidationError

Constructor Details

LookupCallContext

public LookupCallContext(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory,
 org.apache.flink.table.functions.UserDefinedFunction function,
 org.apache.flink.table.types.logical.LogicalType inputType,
 Map<Integer,LookupJoinUtil.LookupKey> lookupKeys,
 int[] lookupKeyOrder,
 org.apache.flink.table.types.logical.LogicalType lookupType)

Method Details

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()