[teiid-issues] [JBoss JIRA] Closed: (TEIID-339) Push down aggragate and distinct through union

Push down aggragate and distinct through union ---------------------------------------------- Key: TEIID-339 URL: https://jira.jboss.org/jira/browse/TEIID-339 Project: Teiid Issue Type: Task Components: Query Engine Affects Versions: 6.0.0 Reporter: Li Liang Assignee: Steven Hawkins Fix For: 6.2.0 Original Estimate: 2 days Remaining Estimate: 2 days This is related to case 6652 and case 6653. It improves performance to push down aggragate and distinct through union. If this is done before 5.5.3 release, we will consider pulling the logics back to 5.5.3.