On 21-6-2019 11:46, Simon Slavin wrote: > You will note that SQLite is perfectly happy with > > CREATE UNIQUE INDEX idx_test_c > ON test(id, ts_from, ts_eol) > WHERE ts_eol = NULL > ;
That is what I use now, together with the select as Hick mentioned. An other version I played with is two indexes, one unique on (id, ts_from) to find the last version if eol is not null and one unique on (id, ts_eol) where eol = null to find the current active version of id. Thanks, Ingo _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
