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abhishek_pandey1989@yahoo.com How to sort a list of records with respect to one DATetime field
I have a list of records and now i have a requirement that the list of records should get sorted according the date field in the inner query .
list<contact> conmap=new list<contact>([SELECT Id, (SELECT Status,Subject,ActivityDate FROM Tasks order by ActivityDate ASC) FROM Contact where id=:conid]);
Now in list "conmap ": i want tasks records to get sorted according to the activitydate field , which means the activitydate field record of min value belonging to record should come at 0th index of the new list....
You may have to iterate through it to sort the list or you can have a look at comparable class to implement your own sorting using wrapper class
seriously I have no idea about compare class ..If u can pls elaborate more on the soql process.
Because as u can see in the above query that the comparison occurs but it occurs in such a way that tasks under 1st contact get ORDER BY then tasks of 2nd contact GEt ORDER by , But what i want is to get a list in which i get the all tasks of all contacts under one account get sorted at once .
FYI :Account is not directly related to tasks therefore going through contacts of the account..
I hope u got it..
THank u
So do this
List<Task> tasks = [SELECT Status,Subject,ActivityDate FROM Tasks order by ActivityDate ASC WHERE WhoId=:con.Id]