[SalesForce] How to find min of two dates in apex

I am trying to find min of two dates.

I used MIN(date1,date2) but I am facing the following error:
"Method does not exist or incorrect signature: void min(Date, Date)"

How can we find the minimum of two dates?

Best Answer

Probably best to add your own static method either into the class where you need the minimum (make it private) or a utility class (make it public). This version handles nulls:

private static Date min(Date d1, Date d2) {
    if (d1 != null && d2 != null) return d1 < d2 ? d1 : d2;
    else if (d1 != null) return d1;
    else if (d2 != null) return d2;
    else return null;
}

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[SalesForce] How to calculate distance between two records

DISTANCE & GEOLOCATION are SOQL Methods, you can't use them in apex.

Thanks for your comment kurunve, so as documented here, this should work in Apex:

Location loc1 = Location.newInstance(28.635308,77.22496);
Location loc2 = Location.newInstance(37.7749295,-122.4194155);
Double dist = Location.getDistance(loc1, loc2, 'mi');

[SalesForce] Method does not exist or incorrect signature: void containsKey(Id) from the type Set

For the first one, instead of:

affectedCasesByContactId.keyset().containsKey(...)

use either the Map method containsKey on the Map:

affectedCasesByContactId.containsKey(...)

or the Set method contains on the Set:

affectedCasesByContactId.keyset().contains(...)

For the second one instead of trying to access from the List:

trigger.new.get(...)

access from the Map:

trigger.newMap.get(...)

Take a look at the available Trigger Context Variables and also do some Googling about lists and maps to get clear about how to use those most effectively.

Best Answer

Related Solutions

[SalesForce] How to calculate distance between two records

[SalesForce] Method does not exist or incorrect signature: void containsKey(Id) from the type Set

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