#1643 - ENH: Add expression inOrEmpty() ... as a convenience for conditionally added a IN expression

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

@@ -672,6 +672,11 @@ class JunctionExpression<T> implements SpiJunction<T>, SpiExpression, Expression
     return exprList.in(propertyName, values);
   }
 
+  @Override
+  public ExpressionList<T> inOrEmpty(String propertyName, Collection<?> values) {
+    return exprList.inOrEmpty(propertyName, values);
+  }
+
   @Override
   public ExpressionList<T> in(String propertyName, Object... values) {
     return exprList.in(propertyName, values);