2 Commits

Author	SHA1	Message	Date
drh	4fa326564a	Add another test case for the "x IS NULL" uniqueness problem of ticket #3824. ... No changes to code. This just double-checks that everything is working now. (CVS 6548) FossilOrigin-Name: 3ceae3579bc42974865cf6fe0bc42001e786e894	2009-04-24 20:32:31 +00:00
drh	46619d6787	Make sure that the optimizer realizes that an "x IS NULL" contraint does not ... necessarily give a single-row result even on a UNIQUE index. Ticket #3824. (CVS 6545) FossilOrigin-Name: 207335fdbf992a2f5bc5982b3163a38016ba1b21	2009-04-24 14:51:42 +00:00