org.eigenbase.sql.type
Class ExplicitOperandTypeInference

java.lang.Object
  org.eigenbase.sql.type.ExplicitOperandTypeInference

All Implemented Interfaces:

SqlOperandTypeInference

public class ExplicitOperandTypeInference
extends Object
implements SqlOperandTypeInference

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

Version:

$Id: //open/dev/farrago/src/org/eigenbase/sql/type/ExplicitOperandTypeInference.java#6 $

Author:

John V. Sichi

Field Summary

private RelDataType[]

paramTypes

Constructor Summary

ExplicitOperandTypeInference(RelDataType[] paramTypes)

Method Summary

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 RelDataType[] paramTypes

Constructor Detail

ExplicitOperandTypeInference

public ExplicitOperandTypeInference(RelDataType[] paramTypes)

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