How to query data older than 30 days?

Question

HI All, I want to query all of the data that older than 30 days in the DB. 
 Can an someone suggest me how to achieve the filtering thing from db? 
 Thanks in advance

Harshit Bumb (Appyzie) · Answer

In the filters, you can use the following code. a!queryFilter(
 field: "createdOn",
 operator: "<",
 value: today()-(day()*30)
)