SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function COUNT (children 1)
       ExpressionList
      Literal UInt64_0
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 5)
          ExpressionList (children 2)
           Function toDate (alias day1) (children 1)
            ExpressionList (children 1)
             Literal \'2019-01-01\'
           Identifier day1 (alias t)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier test_table
          Function equals (children 1)
           ExpressionList (children 2)
            Identifier t
            Literal \'2020-01-03\'
          Function equals (children 1)
           ExpressionList (children 2)
            Identifier t
            Literal \'2020-01-03\'
          ExpressionList (children 1)
           Identifier t