dan
1d24a53125
Fix a case in which SQLite could fail to identify "x BETWEEN ? AND ?" being true as implying that x is not null. Ticket [dfd66334].
...
FossilOrigin-Name: 2f17974912ec5e99089dc0da803e7ff1bf033377a49762d2689a812c005f2641
2019-12-23 15:17:11 +00:00
drh
b3f0276b9e
Fix test cases so that they work with the new EXPLAIN QUERY PLAN output
...
format. Only some of the cases have been fixed. This is an incremental
check-in.
FossilOrigin-Name: 5f0e803e33aa557865d5fc830d9202d628de9a94c9757058ca48f1a560702cd3
2018-05-02 18:00:17 +00:00
drh
6a9b9527fa
The push-down optimization was being too aggressive such that it sometimes
...
generated incorrect results. Reinstate the restriction (4) (with
qualifications) that was removed by check-ins
[b5d3dd8cb0b1e4] and [dd568c27b1d765].
FossilOrigin-Name: f08c1731b0b1dddcba190b094a35306a159713d3db939330f73075ff1d72c81e
2018-03-27 15:13:43 +00:00
drh
2589787c5a
If terms of the WHERE clause require that the right table in a LEFT JOIN
...
not be a null row, then simplify the LEFT JOIN into an ordinary JOIN.
FossilOrigin-Name: 5b7abecc7ab8ccbbb8cb5e0f672e67625c2555ad03442efbf34cb395f5bb71a8
2018-03-20 21:16:15 +00:00
dan
4ea48144f9
Fix a failing assert() in the new code on this branch.
...
FossilOrigin-Name: 74d857d178dfadea7e07ba47439fe11aa9d282b54caf78cd6961e593b37406d0
2018-01-31 14:07:01 +00:00
dan
8433e7166b
Update the omit-left-join optimization so that it works in some cases when the
...
RHS is subject to a UNIQUE but not NOT NULL constraint.
FossilOrigin-Name: 88411a402b29f19d69e0d06d9099eabb98c238ddb7c07ce110236316f008753e
2018-01-29 17:08:52 +00:00
drh
53bf7175af
Fix a problem in the omit-table-from-left-join optimization
...
from check-in [0cd82ee9a8413cf] that was discovered by OSSFuzz.
FossilOrigin-Name: b016c28fa5617a20ad34c005372e738d28f7fc4388d19ee0cb7add4ed19d74aa
2017-11-23 04:45:35 +00:00
dan
41203c6cf1
Update the omit-table-from-left-join optimization so that it can omit tables
...
from the middle of the join as well as the end.
FossilOrigin-Name: 618ca9fe53d8d2d7b4f368e6ee404d5fceeecac0d689f32ab62af8a6cbb37401
2017-11-21 19:22:45 +00:00
dan
17f188e3cf
Fix a typo in a test script on this branch.
...
FossilOrigin-Name: bff5dcfd2b29ee4834258914410a5dee69ec2727dd254053e3ebaf5090937694
2017-11-20 15:45:03 +00:00
dan
75dbf68b5b
Fix a problem preventing the planner from identifying scans that visit at most
...
one row in cases where that property is guaranteed by a unique, not-null,
non-IPK column that is the leftmost in its table.
FossilOrigin-Name: 299d7ca52fec32f04ffd2b8561dd4b839e891792162f8b00259368683436b02d
2017-11-20 14:40:03 +00:00
dan
f112f0b3de
Add a test case for ticket [25e335f802dd].
...
FossilOrigin-Name: e500c15a9f55aed1601f7c14169dd56fd76f1fdd
2017-01-10 17:37:49 +00:00
danielk1977
3e8c37e7f8
Modify test scripts to work when SQLITE_OMIT_SUBQUERY (along with other OMIT macros) is defined. (CVS 2251)
...
FossilOrigin-Name: bb0254ab14417f0ab40f10f37cb63a60507f070a
2005-01-21 03:12:14 +00:00
drh
b733d03749
Add the ability to group FROM terms using parentheses. Names of columns in
...
a join no longer include the table name. (CVS 1197)
FossilOrigin-Name: 3626f6d4a1adb4209d5bd9e6477343b52bddbdf2
2004-01-24 20:18:12 +00:00
