Making Having expression

In the version 2.0 the opportunity is added to impose conditions in group queries (HAVING). Having pressed the button "Having" will open the form (Fig.1) similar by the form and rules of work to the form with usual filters (Where). The unique difference is, that all elements of the structure, not getting in a condition of grouping, in query (Group by) should by a part of aggregate functions (for more detailed look a rule of construction SQL).

Fig.1