4 Commits

Author	SHA1	Message	Date
drh	f570f011eb	Refinements to NULL processing: NULLs are indistinct for DISTINCT and UNION. ... Multiplying a NULL by zero yields zero. In a CASE expression, a NULL comparison is considered false, not NULL. With these changes, NULLs in SQLite now work the same as in PostgreSQL and in Oracle. (CVS 600) FossilOrigin-Name: da61aa1d238539dff9c43fd9f464d311e28d669f	2002-05-31 15:51:25 +00:00
drh	739105c72c	Built-in aggregate functions (MIN, SUM, AVG, etc) should ignore NULL entires. (CVS 597) ... FossilOrigin-Name: 19ae12bef210ae5fe171f10833faa38d640c129f	2002-05-29 23:22:23 +00:00
drh	bb113518f9	Bug fixes and additional test cases for the distinct-NULL patch. (CVS 592) ... FossilOrigin-Name: 0e268d0c0faa02c3f95e1567cf631b7a04bfbdf0	2002-05-27 01:04:51 +00:00
drh	5cf8e8c7fa	New ROWIDs are numbered sequentially. (CVS 383) ... FossilOrigin-Name: 1686196a8aea326f616bc8205df99cd84d955ec4	2002-02-19 22:42:05 +00:00