```
public class ExpressionVirtualColumn
extends Object
```
INTERNAL: Represents an <expression-column> element in the mapping file. Effectively a virtual column which uses a SQL expression to produce a value inside the SQL query.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getColumnName()`
`String`	`getSQLExpression()`
`void`	`setSQLExpression(String sqlexpression)`

public ExpressionVirtualColumn(String colname)

public void setSQLExpression(String sqlexpression)

Class ExpressionVirtualColumn