IBM Data and AI Ideas Portal for Customers
This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).
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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.
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IBM Employees should enter Ideas at https://ideas.ibm.com
Indeed, it's unfortunate that the standard Oracle connector in CP4D doesn't support anything more than host, sid/service, and port. You can't even specify a DataGuard failover pair for HA.
Could you describe your experience using the custom JDBC connector for connecting with Oracle? How are you specifying the connect string in the parameters, and do you really need to upload an ojdbc driver for each and every connection to Oracle?
If there was support for a tnsnames.ora file and/or LDAP reference, that would also solve any connect string length limit.
There's a limit of something like 10K when you add the connection string into the platform connections section of CPD, but when you then try to use that connection within data discovery... it attempts to create the data connection within the Metadata Import (legacy IMAM) repository. That has a limit of 256 characters for the URL. There is a way to break the URL within the IMAM data connection definition (part then goes into the additional attributes)... but that's only when you have the typical ";" style URL... like "database=GOSALES;encrypted=true;"... this is using an Oracle "thin" client URL which is effectively the TNSNAMES.ORA definition. So not something that can be broken apart in that fashion.
After investigation, we can't identify where the limit is. According to the development team, the size of the URL is not limited. We need more details on how to reproduce this issue. Please provide the detailed steps to reproduce the issue, and we may consider this. You can also contact the IBM support team as there should not be such a limitation currently in Cloud Pak for Data connection forms.
The customer will not be able to move into production this quarter without this capability.