Package org.apache.calcite.sql.type

Class ExplicitOperandTypeInference

java.lang.Object

org.apache.calcite.sql.type.ExplicitOperandTypeInference

All Implemented Interfaces:

SqlOperandTypeInference

public class ExplicitOperandTypeInference
extends java.lang.Object
implements SqlOperandTypeInference

ExplicitOperandTypeInferences implements SqlOperandTypeInference by explicitly supplying a type for each parameter.

Field Summary

Fields

Modifier and Type	Field	Description
private com.google.common.collect.ImmutableList<RelDataType>	paramTypes

Constructor Summary

Constructors

Constructor	Description
ExplicitOperandTypeInference(com.google.common.collect.ImmutableList<RelDataType> paramTypes)	Use InferTypes.explicit(java.util.List).

Method Summary

Modifier and Type	Method	Description
void	inferOperandTypes(SqlCallBinding callBinding, RelDataType returnType, RelDataType[] operandTypes)	Infers any unknown operand types.

Methods inherited from class java.lang.Object

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

Field Detail

paramTypes

private final com.google.common.collect.ImmutableList<RelDataType> paramTypes

Constructor Detail

ExplicitOperandTypeInference

ExplicitOperandTypeInference(com.google.common.collect.ImmutableList<RelDataType> paramTypes)

Use InferTypes.explicit(java.util.List).

Method Detail

inferOperandTypes

public void inferOperandTypes(SqlCallBinding callBinding,
                              RelDataType returnType,
                              RelDataType[] operandTypes)

Description copied from interface: SqlOperandTypeInference

Infers any unknown operand types.

Specified by:

inferOperandTypes in interface SqlOperandTypeInference

Parameters:

callBinding - description of the call being analyzed

returnType - the type known or inferred for the result of the call

operandTypes - receives the inferred types for all operands