FIX: @Formula on @ManyToOne produces SQLException ... fix appends missing FROM clause for formula joins #1299

src/main/java/io/ebeaninternal/server/query/SqlTreeNodeBean.java

@@ -531,7 +531,10 @@ class SqlTreeNodeBean implements SqlTreeNode {
    */
   @Override
   public void appendFrom(DbSqlContext ctx, SqlJoinType joinType) {
-
+    if (nodeBeanProp != null && nodeBeanProp.isFormula()) {
+      // add joins for formula beans
+      nodeBeanProp.appendFrom(ctx, joinType);
+    }
     ctx.pushJoin(prefix);
     ctx.pushTableAlias(prefix);