InsertQuery   (children 2)
 Identifier testNullableStates
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 13)
     Function plus (alias ts) (children 1)
      ExpressionList (children 2)
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal \'2020-01-01 00:00:00\'
       Identifier number
     Function toString (alias id) (children 1)
      ExpressionList (children 1)
       Function modulo (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_999
     Function toString (alias string) (children 1)
      ExpressionList (children 1)
       Identifier number
     Function divide (alias float64) (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal UInt64_333
     Function divide (alias float32) (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal UInt64_333
     Function divide (alias decimal325) (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal UInt64_333
     Function toDate (children 1)
      ExpressionList (children 1)
       Identifier ts
     Identifier ts
     Identifier ts
     Identifier number
     Function toInt32 (children 1)
      ExpressionList (children 1)
       Identifier number
     Function toInt16 (children 1)
      ExpressionList (children 1)
       Identifier number
     Function toInt8 (children 1)
      ExpressionList (children 1)
       Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_100000