ios - Realm query 'where before date' -

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i've discovered realm , started working in objective-c.

i'm trying objects where create_date before specific date , time

i read this answer on stackoverflow, tried :

nsstring *datestring = @"2015-06-03 08:24:00"; nsdateformatter * dateformatter = [nsdateformatter new]; [dateformatter setdateformat:@"yyyy-mm-dd hh:mm:ss"]; nsdate *newdate = [dateformatter datefromstring:datestring];  rlmrealm *realm = [rlmrealm defaultrealm]; nsstring *_where = [nsstring stringwithformat:@"create_date < '%@'", newdate]; rlmresults *results = [database_articles objectsinrealm:realm where:_where];

but i'm getting following error:

'expected object of type date property 'created' on object of type 'database_articles', received: 2015-06-03 05:24:00 +0000'

so how can pass nsdate in query in realm ??

thanks in advance ..

you used method + (rlmresults *)objectsinrealm:(rlmrealm *) where:(nsstring *), ...;, convenience api, taking string , further arguments , constructing nspredicate on-the-fly you. providing arguments first [nsstring stringwithformat:], serialize date, comes error.

use 1 of 2 variants avoid that:

rlmresults *results = [database_articles objectsinrealm:realm where:@"create_date < %@", newdate]; 
nspredicate *_where = [nspredicate predicatewithformat:@"create_date < %@", newdate]; rlmresults *results = [database_articles objectsinrealm:realm withpredicate:_where];

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