SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier datetime_date_table
   Function greater (children 1)
    ExpressionList (children 2)
     Identifier col_datetime_string
     Literal \'2020-03-04 10:20:45\'