How to fix the Oracle error ORA-22315: type “string” does not contain a map or order function?

In this post, you’ll learn more about the Oracle ErrorORA-22315: type “string” does not contain a map or order function with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22315: type “string” does not contain a map or order function

Reason for the Error ORA-22315: type “string” does not contain a map or order function

The input type does not contain a map or order function so one cannot be returned.

How to fix the Error ORA-22315: type “string” does not contain a map or order function ?

You can fix this error in Oracle by following the below steps

Add a map or order function to the type or catch this error.