soql select individual CaseComment with all its FeedComments

问题

I am trying to select all comments ,feeds and feedcomments for an individual case. The hierarchy is like

Case
    |
     CaseComment
                |
                 FeedComments(commnets or feeds under a CaseComment)

I could not find any relation between CaseComments and FeedComments nor CaseComments and CaseFeeds. How can I select all together in a soql or individual soqls which relates Case, CaseComment,CaseFeed,FeedComment?

回答1:

EDIT

The query you've included in the comment looks good. I'd write it as something like that:

SELECT Id, Body, ParentId, Parent.CaseNumber, CreatedDate,
    (SELECT Id, CommentBody, CommentType FROM FeedComments)
FROM CaseFeed
ORDER BY Parent.CaseNumber, CreatedDate

(this is sample output rendered in Real Force Explorer, a pretty neat tool)

If I'll click into the "2 records" bit I can drill down to the fields selected from FeedComment for "this" CaseFeed:

If your query renders differently for you (some stuff is blank) - maybe try this different editor or even go to https://workbench.developerforce.com

If only some comments contain text - they might be uploaded images for example - filter them by CommentType = 'TextComment'?

---

ORIGINAL

FeedComments(commnets or feeds under a CaseComment)

No, not really. FeedComment is a Chatter table that can link to many objects but CaseComment is not one of them.

Maybe study the Chatter Entity Relationship Diagram?

Anyway - relationship to feed* objects doesn't have a nice name exposed so we can't query it all in one go:

I think you'll need something like this:

SELECT Id, CaseNumber,
    (SELECT Id, CommentBody FROM CaseComments),
    (SELECT Id, Body FROM Feeds)
FROM Case

SELECT Id, FeedItemId, ParentId, CommentBody
FROM FeedComment
WHERE ParentId = :caseIdHere

来源：https://stackoverflow.com/questions/20985609/soql-select-individual-casecomment-with-all-its-feedcomments