CreateQuery test_view_tb (children 3)
 Identifier test_view_tb
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier test_tb
 ViewTargets (children 1)
  Storage definition (children 2)
   Function MergeTree (children 1)
    ExpressionList
   Identifier a
