#2876 & #2875 - Query Beans subquery exists/notExists + eq(other property), ne(other property)

ebean-querybean/src/main/java/io/ebean/typequery/PBaseValueEqual.java

@@ -83,6 +83,17 @@ public abstract class PBaseValueEqual<R, T> extends TQPropertyBase<R> {
     return _root;
   }
 
+  /**
+   * Is equal to another property.
+   *
+   * @param other the other property to compare
+   * @return the root query bean instance
+   */
+  public final R eq(TQProperty<?> other) {
+    expr().raw(_name + " = " + other.propertyName());
+    return _root;
+  }
+
   /**
    * Is equal to if value is non-null and otherwise no expression is added to the query.
    * <p>
@@ -135,6 +146,17 @@ public abstract class PBaseValueEqual<R, T> extends TQPropertyBase<R> {
     return _root;
   }
 
+  /**
+   * Is not equal to another property.
+   *
+   * @param other the other property to compare
+   * @return the root query bean instance
+   */
+  public final R ne(TQProperty<?> other) {
+    expr().raw(_name + " <> " + other.propertyName());
+    return _root;
+  }
+
   /**
    * Is in a list of values.
    *

ebean-querybean/src/main/java/io/ebean/typequery/TQRootBean.java

@@ -693,6 +693,22 @@ public abstract class TQRootBean<T, R> {
     return root;
   }
 
+  /**
+   * Add EXISTS sub-query predicate.
+   */
+  public R exists(Query<?> subQuery) {
+    query.where().exists(subQuery);
+    return root;
+  }
+
+  /**
+   * Add NOT EXISTS sub-query predicate.
+   */
+  public R notExists(Query<?> subQuery) {
+    query.where().notExists(subQuery);
+    return root;
+  }
+
   /**
    * Execute using "for update" clause which results in the DB locking the record.
    */