Meaning of -{0} inside set expression ?

[swarup_malli]

Hello Fellow developers,

I was trying to get the meaning of - {0}, though i know - minus mean means  exclude when is used along with a column name , could some one explain me the meaning. I havee highlighted it in red.

COUNT({$<INDNUMBER={"=sum({<CYEAR=$(vCampaignYearSelected)},MasterCalendar.MonthName=>}DCDetails.TOTALDON )>0 and sum({<CAMPAIGNYEAR={$(=vCampaignYearSelected-1)},MasterCalendar.MonthName=>}DCDetails.TOTALDON )=0"} - {0},  CAMPAIGNYEAR=,MasterCalendar.MonthName=>}DISTINCT INDACCOUNTNUMBER)

Thx

SM

[swuehl · Accepted solution]

Your advanced search used for the set modifier of INDNUMBER will return a set of INDNUMBERs where the two sum conditions are met, but whatever INDNUMBERs are returned, exclude 0 (zero) from the set.

[swarup_malli]

Thank you, Swuel..