SqlOperandTypeInference (Apache Calcite API)

All Known Implementing Classes:

ExplicitOperandTypeInference
```
public interface SqlOperandTypeInference
```
Strategy to infer unknown types of the operands of an operator call.

Method Summary

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

- Method Detail
  - inferOperandTypes
```
void inferOperandTypes(SqlCallBinding callBinding,
                       RelDataType returnType,
                       RelDataType[] operandTypes)
```
    Infers any unknown operand types.
    
    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