ENG-6597 fix support for params in unions and clean up error handling around voltQueueSQL param counts.
Merge branch 'master' into ENG-6597-union-parameters
Merge branch 'master' into ENG-6597-union-parameters
index on ENG-6597-union-parameters: 21a03eb Merge branch 'master' into ENG-6597-union-parameters
On ENG-6597-union-parameters: progress
Merge branch 'master' into ENG-6597-union-parameters
Merge commit 'stash@{2}' into ENG-6597-union-parameters
Clean up
Patch comment typo.
Merge pull request #1585 from VoltDB/ENG-6597-union-parameters

Eng 6597 union parameters