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

Do not allow a term in the WHERE clause of the query to qualify a partial

Browse Source 
index on the right table of a LEFT JOIN.  Ticket [7f39060a24b47353]

FossilOrigin-Name: 4066a34da7bcdcece6c438c27f3a11bc49b8c8373b7e1603f30f6225e2bc800a
This commit is contained in:
drh
2019-11-30 19:29:19 +00:00
parent 61cb4ed7f1
commit ca7a26b5a1
4 changed files with 42 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
test/join.test
View File

@ -953,4 +953,26 @@ do_execsql_test join-20.2 {
SELECT * FROM t0 LEFT JOIN t1 WHERE NULL IN (c1);
} {}
# 2019-11-30 ticket 7f39060a24b47353
# Do not allow a WHERE clause term to qualify a partial index on the
# right table of a LEFT JOIN.
#
do_execsql_test join-21.10 {
DROP TABLE t0;
DROP TABLE t1;
CREATE TABLE t0(aa);
CREATE TABLE t1(bb);
INSERT INTO t0(aa) VALUES (1);
INSERT INTO t1(bb) VALUES (1);
SELECT 11, * FROM t1 LEFT JOIN t0 WHERE aa ISNULL;
SELECT 12, * FROM t1 LEFT JOIN t0 WHERE +aa ISNULL;
SELECT 13, * FROM t1 LEFT JOIN t0 ON aa ISNULL;
SELECT 14, * FROM t1 LEFT JOIN t0 ON +aa ISNULL;
CREATE INDEX i0 ON t0(aa) WHERE aa ISNULL;
SELECT 21, * FROM t1 LEFT JOIN t0 WHERE aa ISNULL;
SELECT 22, * FROM t1 LEFT JOIN t0 WHERE +aa ISNULL;
SELECT 23, * FROM t1 LEFT JOIN t0 ON aa ISNULL;
SELECT 24, * FROM t1 LEFT JOIN t0 ON +aa ISNULL;
} {13 1 {} 14 1 {} 23 1 {} 24 1 {}}
finish_test