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 day) (children 1)
            ExpressionList (children 1)
             Literal \'2019-01-01\'
           Identifier day (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