View with a union that projects nulls fails to resolve properly --------------------------------------------------------------- Key: TEIID-4838 URL: https://issues.jboss.org/browse/TEIID-4838 Project: Teiid Issue Type: Bug Components: Query Engine Reporter: Steven Hawkins Assignee: Steven Hawkins Fix For: 9.3, 8.12.x-6.4, 9.2.4 Accessing a view defined as: create view v (col string[]) as select null union all select null Results in an exception: org.teiid.core.TeiidRuntimeException: TEIID30447 org.teiid.api.exception.query.QueryResolverException: TEIID30082 Expected value of type 'null' but 'null' is of type 'string[]' and no implicit conversion is available.