InsertQuery   (children 3)
 Identifier test1
 ExpressionList (children 2)
  Identifier year
  Identifier uv
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 2)
     Literal \'2021\'
     Function uniqThetaState (children 1)
      ExpressionList (children 1)
       Function toInt64 (children 1)
        ExpressionList (children 1)
         Literal UInt64_1
