ColumnRef (IBM FHIR Server)

java.lang.Object
- com.ibm.fhir.database.utils.query.expression.ColumnRef

```
public class ColumnRef
extends java.lang.Object
```
A reference to a column. Typed to help us distinguish from literal strings when building expressions

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ColumnRef(java.lang.String ref)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  java.lang.String getRef()
  Getter for the column reference value
  
  java.lang.String toString()
  - Methods inherited from class java.lang.Object
    clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ColumnRef
```
public ColumnRef(java.lang.String ref)
```
- Method Detail
  - getRef
```
public java.lang.String getRef()
```
    Getter for the column reference value
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object