I might be wrong, but I think the idea of unique index was never followed through, it just exists in the command syntax but does nothing as far as I know.
c.f. http://doc.4d.com/4Dv16/4D/16/CREATE-INDEX.300-3201313.en.html ACI0088408 CREATE UNIQUE INDEX command does not work > 2017/02/05 8:21、Arnaud de Montard <[email protected]> のメール： > Thinking better, I guess field.unique is just a kind of trigger to create an > index.unique. 宮古 啓介 セールス・エンジニア 株式会社フォーディー・ジャパン 〒150-0043 東京都渋谷区道玄坂1-10-2 渋谷THビル6F Tel: 03-6427-8441 Fax: 03-6427-8449 [email protected] www.4D.com/JP ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: http://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
