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Preserve the COLLATE operator on an index on an expression when resolving

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the use of that expression into a reference to the index.  See
[forum:/info/7efabf4b03328e57|forum thread 7efabf4b03328e57] for details.

FossilOrigin-Name: a8da85c57e07721dc1c918d67433d6c99ce48421e369123cc3194d855e55f7e8
This commit is contained in:
drh
2022-04-30 12:35:51 +00:00
parent a25bbaf74a
commit 2aa1086cab
4 changed files with 28 additions and 8 deletions
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19
test/indexexpr1.test
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@ -487,4 +487,23 @@ ifcapable like_match_blobs {
} {2.0}
}
# 2022-04-30 https://sqlite.org/forum/info/7efabf4b03328e57
# Assertion fault during a DELETE INDEXED BY.
#
reset_db
do_execsql_test indexexpr-1900 {
CREATE TABLE t1(x TEXT PRIMARY KEY, y TEXT, z INT);
INSERT INTO t1(x,y,z) VALUES('alpha','ALPHA',1),('bravo','charlie',1);
CREATE INDEX i1 ON t1(+y COLLATE NOCASE);
SELECT * FROM t1;
} {alpha ALPHA 1 bravo charlie 1}
do_execsql_test indexexpr-1910 {
DELETE FROM t1 INDEXED BY i1
WHERE x IS +y COLLATE NOCASE IN (SELECT z FROM t1)
RETURNING *;
} {alpha ALPHA 1}
do_execsql_test indexexpr-1920 {
SELECT * FROM t1;
} {bravo charlie 1}
finish_test