CreateQuery v1 (children 3)
 Identifier v1
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration v (children 1)
    DataType UInt64
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Identifier v
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier t1
    Set
