Breaking: #69028 - TCA type select - Drop neg_foreign_table¶
See Issue #69028
TCA keys for
select have been dropped and are no longer handled by the core:
These setting were used in
select for comma separated value relations in addition to
to allow a second connected table. Relations for
neg_foreign_table were stored as negative uids in the
field to distinguish them from relations to the table defined in
The functionality has been dropped without substitution and is no longer handled by the TYPO3 core.
Existing relations to the table defined in
neg_foreign_table will be discarded when a record
with such a
TCA configuration is saved to the database. The display of existing connected
records may be misleading.
This old school feature was never documented well and used by a very small amount of extensions.
Searching an instance for the keyword
neg_foreign_table will reveal usages.
In case records from multiple different tables must still be supported, the
should be adapted to use a
MM intermediate table. For existing migrations a database migration