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Correctly handle the case of a multi-column UNIQUE constraint that contains

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the ROWID as one of it columns, and then the columns of that UNIQUE are
used in a row-value IN operator as a WHERE clause constraint.  Reported by
[forum:/forumpost/b9647a113b465950|forum post b9647a113b].  Problem
introduced by [723f1be3d4a905a6], part of ticket [da78413751863].

FossilOrigin-Name: d22475b81c4e26ccc50f3b5626d43b32f7a2de34e5a764539554665bdda735d5
This commit is contained in:
drh
2025-04-15 21:59:38 +00:00
parent 8488789d74
commit 0243ca8245
6 changed files with 36 additions and 11 deletions
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23
test/rowvalue.test
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@ -782,4 +782,27 @@ do_execsql_test 33.3 {
SELECT * FROM t1 WHERE (a,b) BETWEEN (2,99) AND (4,0);
} {3 100}
# 2025-04-15 https://sqlite.org/forum/forumpost/b9647a113b465950
# Incorrect result when the schema includes a table with a UNIQUE
# constraint and one of the columns in the UNIQUE constraint is the
# INTEGER PRIMARY KEY, and the columns that UNIQUE constraint are
# used in a rowvalue-IN operator constraint.
#
reset_db
do_execsql_test 34.1 {
CREATE TABLE items (
Id INTEGER /* rowid alias */,
Item INTEGER /* any type */,
Test TEXT /* TEXT or BLOB */,
Filler, /* any type */
PRIMARY KEY(Id),
UNIQUE(Item, Id)
);
INSERT INTO items (Id, Item)
VALUES (1, 2), (2, 2), (3, 3), (4, 5);
UPDATE items SET test='ok'
WHERE (Id, Item) IN (SELECT Id, Item FROM items);
SELECT Id, Item, test FROM items ORDER BY id;
} {1 2 ok 2 2 ok 3 3 ok 4 5 ok}
finish_test