public class ExpressionAnalyzer
extends java.lang.Object
| Constructor and Description |
|---|
ExpressionAnalyzer() |
| Modifier and Type | Method and Description |
|---|---|
static java.util.Set |
getReferencedColumns(Expression expr)
Get the set of data fields the expression is dependent upon.
|
static boolean |
hasDependency(Expression expr)
Determine if an expression has a dependency on a data field.
|
public static boolean hasDependency(Expression expr)
expr - the expression to analyzepublic static java.util.Set getReferencedColumns(Expression expr)
expr - the expression to analyze