[teiid-issues] [JBoss JIRA] Closed: (TEIID-308) Merge the query rewriter and expression evaluator visitor

Merge the query rewriter and expression evaluator visitor --------------------------------------------------------- Key: TEIID-308 URL: https://jira.jboss.org/jira/browse/TEIID-308 Project: Teiid Issue Type: Task Components: Query Engine Affects Versions: 6.0.0 Reporter: Steven Hawkins Assignee: Steven Hawkins Priority: Minor Fix For: 6.2.0 Original Estimate: 2 days Remaining Estimate: 2 days The query rewriter, expression evaluator visitor, and visitors (CorrelatedVariableSubstitutionVisitor, VariableSubstituionVisitor) used only during rewrite should be merged to run together. The query rewriter needs to be made stateful to do this.