distinguish unknown and zero number of affected rows
authorTeodor Sigaev <teodor@sigaev.ru>
Mon, 29 Aug 2016 14:19:14 +0000 (17:19 +0300)
committerTeodor Sigaev <teodor@sigaev.ru>
Mon, 29 Aug 2016 14:19:14 +0000 (17:19 +0300)

No differences found