Add PostgreSQL specific implementation for includeIgnoreConflict.
Add PostgreSQL specific implementation for includeIgnoreConflict.

Signed-off-by: Ole Ostergaard <ae1b689198697e3387707dc1378d48aa262aa737@gmail.com>

andreas-p/nextcloud-server,andreas-p/nextcloud-server,nextcloud/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,andreas-p/nextcloud-server,nextcloud/server