#789 - findCount() ... with where raw(...) expression that includes a "many" produces incorrect SQL

src/main/java/com/avaje/ebeaninternal/server/query/SqlTreeNode.java

@@ -57,4 +57,9 @@ public interface SqlTreeNode {
    * Load a version of a @History bean with effective dates.
    */
   <T> Version<T> loadVersion(DbReadContext ctx) throws SQLException;
+
+  /**
+   * Return true if the query has a many join.
+   */
+  boolean hasMany();
 }