#1645 - ENH: Add expression rawOrEmpty() ... as a convenience for conditionally added a raw expression

src/main/java/io/ebean/ExpressionList.java

@@ -1342,7 +1342,7 @@ public interface ExpressionList<T> {
    * @param raw The raw expression that is typically a subquery
    * @param values The values which is typically a list or set of id values.
    */
-  ExpressionList<T> rawOrEmpty(String raw, Collection<Object> values);
+  ExpressionList<T> rawOrEmpty(String raw, Collection<?> values);
 
   /**
    * Add a match expression.

src/main/java/io/ebeaninternal/server/expression/DefaultExpressionList.java

@@ -1077,7 +1077,7 @@ public class DefaultExpressionList<T> implements SpiExpressionList<T> {
   }
 
   @Override
-  public ExpressionList<T> rawOrEmpty(String raw, Collection<Object> values) {
+  public ExpressionList<T> rawOrEmpty(String raw, Collection<?> values) {
     if (notEmpty(values)) {
       add(expr.raw(raw, values));
     }

src/main/java/io/ebeaninternal/server/expression/JunctionExpression.java

@@ -808,7 +808,7 @@ class JunctionExpression<T> implements SpiJunction<T>, SpiExpression, Expression
   }
 
   @Override
-  public ExpressionList<T> rawOrEmpty(String raw, Collection<Object> values) {
+  public ExpressionList<T> rawOrEmpty(String raw, Collection<?> values) {
     return exprList.rawOrEmpty(raw, values);
   }