DD-2318: code for splitted table

[jo-pol]

What this PR does / why we need it:

Which issue(s) this PR closes:

• Closes #

Special notes for your reviewer:

Suggestions on how to test this:

• With user postgres on the DANS VM pre-provisioned-dev_dataversenl_v6.9-PATCH-7_2026-03-05.box and DD-2317: split table TermsOfUseAndAccess #247

  psql --echo-all dvndb < /vagrant/external/dataverse/src/main/resources/db/migration/V6.9.0.1__DD2317-split-termsofuseandaccess.sql
  

• Compile this PR and in the root of dans-core-systems

  deploy.py --dataverse-war external/dataverse/target/dataverse dev_dataversenl
  

• Vist the web-UI of the VM and show a dataset

• Upload a file and save the changes throws 10 times:

  Internal Exception: org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "termsofaccess_pkey"
    Detail: Key (id)=(2) already exists.
  Error Code: 0
  Call: INSERT INTO TERMSOFACCESS (AVAILABILITYSTATUS, CONTACTFORACCESS, DATAACCESSPLACE, ORIGINALARCHIVE, SIZEOFCOLLECTION, STUDYCOMPLETION, TERMSOFACCESS) VALUES (?, ?, ?, ?, ?, ?, ?)
          bind => [7 parameters bound]
  Query: InsertObjectQuery(edu.harvard.iq.dataverse.TermsOfAccess[ id=null ])
  

• Same exceptions when changing a metadata field.

• ...

Does this PR introduce a user interface change? If mockups are available, please link/include them here:

Is there a release notes update needed for this change?:

API-s that used TermsOfUseAndAccess will need another json

Additional documentation: