#1427 - QueryCache should be cleared, if one of a dependent bean is updated

Initial work, does not include propagation across cluster.

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

@@ -21,6 +21,7 @@ import java.sql.Timestamp;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 /**
  * Normal bean included in the query.
@@ -578,6 +579,14 @@ class SqlTreeNodeBean implements SqlTreeNode {
     }
   }
 
+  @Override
+  public void dependentTables(Set<String> tables) {
+    tables.add(nodeBeanProp.target().getBaseTable(temporalMode));
+    for (SqlTreeNode child : children) {
+      child.dependentTables(tables);
+    }
+  }
+
   /**
    * Join to base table for this node. This includes a join to the intersection
    * table if this is a ManyToMany node.