[SOQL]: Reference Id field on a custom object without dot notation?





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I know that with standard objects one can do AccountId instead of Account.Id inside a SOQL query. Is it possible to do the same for custom objects, say for My_Object__c? Is there a way to reference the Id without using a dot . notation?



I am currently getting the following error if I use the dot notation: The left operand 'My_Object__r.Id' cannot have more than one level of relationships.



I get this when executing the following query:



SELECT
Id,
My_Object__r.Some_Field__c
FROM Opportunity
WHERE My_Object__r.Id IN (SELECT Id FROM My_Object__c WHERE Name LIKE '%myobjectname%')
LIMIT 1









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  • 1




    instead of My_Object__r.Id you can just use My_Object__c
    – Pranay Jaiswal
    10 hours ago



















up vote
2
down vote

favorite












I know that with standard objects one can do AccountId instead of Account.Id inside a SOQL query. Is it possible to do the same for custom objects, say for My_Object__c? Is there a way to reference the Id without using a dot . notation?



I am currently getting the following error if I use the dot notation: The left operand 'My_Object__r.Id' cannot have more than one level of relationships.



I get this when executing the following query:



SELECT
Id,
My_Object__r.Some_Field__c
FROM Opportunity
WHERE My_Object__r.Id IN (SELECT Id FROM My_Object__c WHERE Name LIKE '%myobjectname%')
LIMIT 1









share|improve this question


















  • 1




    instead of My_Object__r.Id you can just use My_Object__c
    – Pranay Jaiswal
    10 hours ago















up vote
2
down vote

favorite









up vote
2
down vote

favorite











I know that with standard objects one can do AccountId instead of Account.Id inside a SOQL query. Is it possible to do the same for custom objects, say for My_Object__c? Is there a way to reference the Id without using a dot . notation?



I am currently getting the following error if I use the dot notation: The left operand 'My_Object__r.Id' cannot have more than one level of relationships.



I get this when executing the following query:



SELECT
Id,
My_Object__r.Some_Field__c
FROM Opportunity
WHERE My_Object__r.Id IN (SELECT Id FROM My_Object__c WHERE Name LIKE '%myobjectname%')
LIMIT 1









share|improve this question













I know that with standard objects one can do AccountId instead of Account.Id inside a SOQL query. Is it possible to do the same for custom objects, say for My_Object__c? Is there a way to reference the Id without using a dot . notation?



I am currently getting the following error if I use the dot notation: The left operand 'My_Object__r.Id' cannot have more than one level of relationships.



I get this when executing the following query:



SELECT
Id,
My_Object__r.Some_Field__c
FROM Opportunity
WHERE My_Object__r.Id IN (SELECT Id FROM My_Object__c WHERE Name LIKE '%myobjectname%')
LIMIT 1






soql






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asked 11 hours ago









Arthlete

793515




793515








  • 1




    instead of My_Object__r.Id you can just use My_Object__c
    – Pranay Jaiswal
    10 hours ago
















  • 1




    instead of My_Object__r.Id you can just use My_Object__c
    – Pranay Jaiswal
    10 hours ago










1




1




instead of My_Object__r.Id you can just use My_Object__c
– Pranay Jaiswal
10 hours ago






instead of My_Object__r.Id you can just use My_Object__c
– Pranay Jaiswal
10 hours ago












1 Answer
1






active

oldest

votes

















up vote
3
down vote













Yes. For some custom relationship from child to parent My_Object__r, your Id will be My_Object__c, and you can reference that field in your SOQL query without performing a join/traversing the relationship. (In fact, it is preferable that you do so!)



The place you have to go somewhere special to determine the relationship name is when you're querying from parent to child, where you locate the child relationship name on the configuration of the lookup on the child.



Here, going from child to parent, your relationship name and Id field name are both derived directly from the API name of the lookup field. The Id field is just the lookup field; the relationship is the lookup field with __r.






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  • I completely missed that! Thank you!
    – Arthlete
    10 hours ago











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
3
down vote













Yes. For some custom relationship from child to parent My_Object__r, your Id will be My_Object__c, and you can reference that field in your SOQL query without performing a join/traversing the relationship. (In fact, it is preferable that you do so!)



The place you have to go somewhere special to determine the relationship name is when you're querying from parent to child, where you locate the child relationship name on the configuration of the lookup on the child.



Here, going from child to parent, your relationship name and Id field name are both derived directly from the API name of the lookup field. The Id field is just the lookup field; the relationship is the lookup field with __r.






share|improve this answer























  • I completely missed that! Thank you!
    – Arthlete
    10 hours ago















up vote
3
down vote













Yes. For some custom relationship from child to parent My_Object__r, your Id will be My_Object__c, and you can reference that field in your SOQL query without performing a join/traversing the relationship. (In fact, it is preferable that you do so!)



The place you have to go somewhere special to determine the relationship name is when you're querying from parent to child, where you locate the child relationship name on the configuration of the lookup on the child.



Here, going from child to parent, your relationship name and Id field name are both derived directly from the API name of the lookup field. The Id field is just the lookup field; the relationship is the lookup field with __r.






share|improve this answer























  • I completely missed that! Thank you!
    – Arthlete
    10 hours ago













up vote
3
down vote










up vote
3
down vote









Yes. For some custom relationship from child to parent My_Object__r, your Id will be My_Object__c, and you can reference that field in your SOQL query without performing a join/traversing the relationship. (In fact, it is preferable that you do so!)



The place you have to go somewhere special to determine the relationship name is when you're querying from parent to child, where you locate the child relationship name on the configuration of the lookup on the child.



Here, going from child to parent, your relationship name and Id field name are both derived directly from the API name of the lookup field. The Id field is just the lookup field; the relationship is the lookup field with __r.






share|improve this answer














Yes. For some custom relationship from child to parent My_Object__r, your Id will be My_Object__c, and you can reference that field in your SOQL query without performing a join/traversing the relationship. (In fact, it is preferable that you do so!)



The place you have to go somewhere special to determine the relationship name is when you're querying from parent to child, where you locate the child relationship name on the configuration of the lookup on the child.



Here, going from child to parent, your relationship name and Id field name are both derived directly from the API name of the lookup field. The Id field is just the lookup field; the relationship is the lookup field with __r.







share|improve this answer














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edited 10 hours ago

























answered 10 hours ago









David Reed

27k51745




27k51745












  • I completely missed that! Thank you!
    – Arthlete
    10 hours ago


















  • I completely missed that! Thank you!
    – Arthlete
    10 hours ago
















I completely missed that! Thank you!
– Arthlete
10 hours ago




I completely missed that! Thank you!
– Arthlete
10 hours ago


















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