#291 - ENH: Add ability to validate a query or property expression - Was Please check column exist on entity

src/main/java/com/avaje/ebeaninternal/api/SpiExpression.java

@@ -66,4 +66,9 @@ public interface SpiExpression extends Expression {
 	 *            the associated request.
 	 */
 	void addBindValues(SpiExpressionRequest request);
+
+  /**
+   * Validate all the properties/paths associated with this expression.
+   */
+  void validate(SpiExpressionValidation validation);
 }