I was going through documentation of FeedItem where for Status field it mentions:
These permissions do not apply when you retrieve feed items using SOQL. To filter out Pending Review feed items you must add an explicit clause.
Here is link to doc
I need to filter out PendingReview FeedItems using soql
SELECT Id FROM FeedItem WHERE Status != 'PendingReview'
^ ERROR at Row:1:Column:31 field 'Status' can not be filtered in a query call