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Populating APEX Maps with object ID's as keys and object names as values
The invoices.get( ... ) in the last line returns null because the invoices keySet contains keys which are not Opportunity__c.Id's like I expected. I am doing something like this in the following execute anonymous code:
Id key = '006G000000TZ2f9IAD';
Map<Id, Invoice1__c> invoices = new Map<Id, Invoice1__c> ([SELECT Opportunity__c
, Name
FROM Invoice1__c
WHERE Opportunity__c = :key]);
system.debug('Created Map. Number of Invoice names mapped=' + invoices.size());
system.debug('Invoices.Get=' + invoices.get(key));
I would like to be able to pull the Invoice1__c.Name from the Map something like:
String invoiceName = invoices.get(newTicket.sbx_Opportunity__c).Name;
1. How do I properly populate a Map of <OpportunityID, Invoice1__c.Name>. Like this <006G000000TZ2f9IAD, 'Inv-0561'>
2. What are the Id's that I currently see in the invoices variable keySet?
Id key = '006G000000TZ2f9IAD';
Map<Id, Invoice1__c> invoices = new Map<Id, Invoice1__c> ([SELECT Opportunity__c
, Name
FROM Invoice1__c
WHERE Opportunity__c = :key]);
system.debug('Created Map. Number of Invoice names mapped=' + invoices.size());
system.debug('Invoices.Get=' + invoices.get(key));
I would like to be able to pull the Invoice1__c.Name from the Map something like:
String invoiceName = invoices.get(newTicket.sbx_Opportunity__c).Name;
1. How do I properly populate a Map of <OpportunityID, Invoice1__c.Name>. Like this <006G000000TZ2f9IAD, 'Inv-0561'>
2. What are the Id's that I currently see in the invoices variable keySet?
Map<Id, Invoice1__c> invoices = new Map<Id, Invoice1__c> ([SELECT Opportunity__c
, Name
FROM Invoice1__c
WHERE Opportunity__c = :key]);
Following Query hold the key in map as Invoice Id not Opportunity ID.
Try this may be it will help you.
Map<Id, Invoice1__c> invoices = new Map<Id, Invoice1__c>();
for(Invoice1__c obj : [SELECT Opportunity__c
, Name
FROM Invoice1__c
WHERE Opportunity__c = :key]){
invoices.put(obj.Opportunity__c,obj.Name);
}