SqlTypeTransformCascade (Apache Calcite API)

java.lang.Object
- org.apache.calcite.sql.type.SqlTypeTransformCascade

All Implemented Interfaces:

SqlReturnTypeInference
```
public class SqlTypeTransformCascade
extends java.lang.Object
implements SqlReturnTypeInference
```
Strategy to infer the type of an operator call from the type of the operands by using one SqlReturnTypeInference rule and a combination of SqlTypeTransforms

Field Summary

Fields
Modifier and Type Field Description

private SqlReturnTypeInference rule

private com.google.common.collect.ImmutableList<SqlTypeTransform> transforms

Constructor Summary

Constructors
Constructor	Description
`SqlTypeTransformCascade(SqlReturnTypeInference rule, SqlTypeTransform... transforms)`	Creates a SqlTypeTransformCascade from a rule and an array of one or more transforms.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`RelDataType`	`inferReturnType(SqlOperatorBinding opBinding)`	Infers the return type of a call to an `SqlOperator`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - rule
```
private final SqlReturnTypeInference rule
```
  - transforms
```
private final com.google.common.collect.ImmutableList<SqlTypeTransform> transforms
```
- Constructor Detail
  - SqlTypeTransformCascade
```
public SqlTypeTransformCascade(SqlReturnTypeInference rule,
                               SqlTypeTransform... transforms)
```
    Creates a SqlTypeTransformCascade from a rule and an array of one or more transforms.
- Method Detail
  - inferReturnType
```
public RelDataType inferReturnType(SqlOperatorBinding opBinding)
```
    Description copied from interface: SqlReturnTypeInference
    
    Infers the return type of a call to an SqlOperator.
    
    Specified by:
    
    inferReturnType in interface SqlReturnTypeInference
    
    Parameters:
    
    opBinding - description of operator binding
    
    Returns:
    
    inferred type; may be null