tabel loaded at start is large(qvd type) , normaly user need to show only a part of data, like 1 year, however it happens he clicks on button clear all choices he could make, then qlik starts reading , dislaying all years, and will hang in memort error
not responding anymore
how sowe way to make sure when he clears all somehow keep at minumum 1 year or other item filled with a fixed value like this year only
