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I got 3 objects, BUnit__c, Row__c and Portfolio__c, with the following design

Portfolio__c(Many)-----------(1) BUnit__c (1)-----------(Many)Row__c

Portfolio__c object has a lookup to the BUnit__c, Row__c and BUnit__c are Master-detail.

I want to access a field in Portfolio__c from a Row__c object query. Can I access the Portfolio__c object through BUnit__c from Row__c object ? Or do I have to create a lookup on Row__c to Portfolio__c ?

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  • is this for a trigger use case or a VF controller use case? That is, under what circumstances will you have a row (or rows) that need to fetch Portfolio? In addition, since 1 BU has many Rows and also many Portfolios, how do you known which Portfolio is the one for a given Row? – cropredy Nov 27 '15 at 18:06
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set<Id> setBUIds = new  set<Id>(); //first get all the BUnit__c  ids
 for(Row__c objRow: [SELECT Id, BUnit__c  FROM Row__c ])
{
  setBUIds .add(objRow.BUnit__c );//add all BUnit__c  id into set
}
for(Portfolio__c objPortfolio: [SELECT Id, BUnit__c  FROM Portfolio__c WHERE BUnit__c IN: setBUIds ])
{
    system.debug('====objPortfolio===='+objPortfolio);
}
//now based on set of BUnit__c  ids query all the Row__c records.
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  • ? OP wants to access a Portfolio__c from Row__c – cropredy Nov 27 '15 at 18:05
  • @crop1645 yes, i got a current query on Row__c, so I need to access Portfolio__c from there. – Tinkerbell Nov 30 '15 at 11:02
  • @Butterfly. check above ans. – Ratan Paul Nov 30 '15 at 11:33
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You'll probably want to query for your Junction object (BUnit), and get portfolio and row fields from there, using relationship fields (__r).

You would do something like the following:

SELECT Portolio__r.PersonName, Row__r.RowValue__c FROM BUnit__c WHERE Portfolio__c = 'portfolioId'

That way you will get both Row an Portfolio information querying the BUnit table.

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