isBlank filter not working on the empty String

[shekhar_gwt]

We have tested with the new build but still, the Evaluator class isn't able to filter the empty string when the operator is IsBlank.

[shekhar_gwt]

While filtering data of big size, we have handled the filtering operation in server side by calling valuesMatchCriteria method of Evaluator class
...

[shekhar_gwt]

It worked after having a separate ds.xml for this functionality....