Commit Graph

3 Commits

Author SHA1 Message Date
drh
14c98a4f40 At the end of the right-hand table loop of a LEFT JOIN that uses an IN
operator in the ON clause, put the OP_IfNoHope operator after the
OP_IfNotOpen operator, not before, to avoid a (harmless) uninitialized
register reference.  Ticket [82b588d342d515d1]

FossilOrigin-Name: 8b437b47266ec2d80d85eafcfdd6949556d6c28d9d67d5f43d89799f0f5b7bd0
2020-03-16 03:07:53 +00:00
drh
6d6decb8d9 Only choose to scan an IN operator rather than use an index if we have
real STAT1 data to suggest it is advantageous.

FossilOrigin-Name: 30e874661dcc1a2ecb40df2ef74582151d85bb36c754a38548829a3b6285f18d
2018-06-08 21:21:01 +00:00
drh
056f5396fe Test cases.
FossilOrigin-Name: 085e863713a3f2d420c0076b275a6ac445a59d4d93f9eb0e8503b4e3f5589249
2018-06-07 16:07:00 +00:00