drh
4ad1a1c74c
Disable the OP_SeekScan opcode of the in-scan-vs-index optimization when
...
in PRAGMA reverse_unordered_selects mode, as the OP_SeekScan only works
with forwards scans. Thanks to OSSFuzz for pointing out the problem to
us.
FossilOrigin-Name: c75c3a3b756635bfdab44e4b56a337e4a88af3a8803cd3e9a67abf3d0d3450dc
2020-10-02 02:02:18 +00:00
drh
86b40dfd33
Split the OP_Last opcode into OP_Last and OP_SeekEnd. Use OP_SeekEnd to
...
position a cursor prior to appending. Ticket [cb91bf4290c211d].
FossilOrigin-Name: 3e02474c7bbe16891a7cfc8771cf72f64cd2c0692779037982d7d307512a4f23
2017-08-01 19:53:43 +00:00
drh
d0aa2f3afd
Ignore IS NOT NULL and NOT NULL constraints on NOT NULL columns.
...
FossilOrigin-Name: e476408e3c5ba5f3ba5e98ff264167c163d72e3f
2013-08-20 17:00:55 +00:00
drh
6a9c64b363
Make sure internal queries are well ordered, even when the
...
reverse_unordered_selects pragma is in effect.
Ticket [eb942c64a157].
FossilOrigin-Name: 0209f17180065d9c213b6c437be1c3c40660665f
2010-01-12 23:54:14 +00:00
drh
5901b571d4
Do not let the reverse_unordered_selects pragma force the use of an index that
...
would not otherwise be used. Ticket #3904 .
Also: remove an test which is always true. (CVS 6745)
FossilOrigin-Name: 78a391dca05dbe3ad1d8124b80b31bc2ce75778f
2009-06-10 19:33:28 +00:00
drh
69a442ef1f
Make sure the reverse_unordered_selects pragma works even on unindexed
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tables that are queried without a WHERE clause (CVS 6453)
FossilOrigin-Name: d8c6b28a734fccbbbd567d98ffa7e6557280f737
2009-04-06 12:26:57 +00:00
drh
699b3d4f89
Add the reverse_unordered_selects pragma. (CVS 6314)
...
FossilOrigin-Name: bc078e0007b6c3dc07722820bb53798b643212b3
2009-02-23 16:52:07 +00:00
