Fixed #21775 -- Allowed customization of datafile for Oracle tablespace
Updated release notes for backporting locale additions; refs #23368 and #23417.
Fixed #23495 -- Stopped swallowing real settings import error

Thanks papaloizouc for the report.
factorized create_fk_sql expression
factorized create_unique_sql expression
factorized delete_constraint_sql expression
added test for #23065
fixed #23065 -- quote constraint names in SQL
added 1.7.1 release notes for #23065