proactive buffering on an enhanced sort merge left outer join results in an assertionerror ------------------------------------------------------------------------------------------ Key: TEIID-2707 URL: https://issues.jboss.org/browse/TEIID-2707 Project: Teiid Issue Type: Bug Components: Query Engine Affects Versions: 8.4 Reporter: Steven Hawkins Assignee: Steven Hawkins Fix For: 8.4.1, 8.6 The proactive buffering logic with particular blocking patterns is not correct. Namely the setting of the buffer to forward only prevents re-reading which results in an AssertionError.