database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-07-29 08:01:23 +03:00
Code Activity

Make sure affinity is applied correctly on lower-bound range constraints

Browse Source 
in the min() optimization.  Fix for ticket [a0bac8b3c3d1bb].

FossilOrigin-Name: b819bace9c2a0b0159122b26db96a8f50a6f0eac
This commit is contained in:
drh
2016-07-26 04:31:14 +00:00
parent 2b62b5def8
commit 426f4ab009
4 changed files with 24 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
test/minmax.test
View File

@ -628,5 +628,19 @@ do_test_13_noopt 13.7 {
SELECT min(c), count(c) FROM t1 WHERE a='a';
} {1 5}
# 2016-07-26. https://www.sqlite.org/src/info/a0bac8b3c3d1bb75
# Incorrect result on a min() query after a CREATE INDEX.
#
do_execsql_test 14.1 {
CREATE TABLE t14(a INTEGER, b INTEGER);
INSERT INTO t14(a,b) VALUES(100,2),(200,2),(300,2),(400,1),(500,2);
SELECT min(a) FROM t14 WHERE b='2' AND a>'50';
} {100}
do_execsql_test 14.2 {
CREATE INDEX t14ba ON t14(b,a);
SELECT min(a) FROM t14 WHERE b='2' AND a>'50';
} {100}
finish_test