InsertQuery   (children 2)
 Identifier test_tz_hour
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 2)
     Function plus (children 1)
      ExpressionList (children 2)
       Function toDateTime (children 1)
        ExpressionList (children 2)
         Literal \'2021-06-01 00:00:00\'
         Literal \'UTC\'
       Function multiply (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_600
     Literal \'x\'
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal Float64_1000
