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Do not skip over TK_IF_NULL_ROW operators when bypassing TK_COLLATE operators.

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Fix to check-in [ac31edd3eeafcef4] which was itself a fix for ticket
[45f4bf4eb4ffd788].

FossilOrigin-Name: 871f2ddcfbb9196dbd851a350e3471ee6d242d86bbd755201f7e2406fce3ac55
This commit is contained in:
drh
2020-08-19 23:32:06 +00:00
parent 1d42e619ac
commit 46fe138d98
6 changed files with 32 additions and 17 deletions
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17
test/join2.test
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@ -294,7 +294,10 @@ do_execsql_test 8.1 {
}
#-------------------------------------------------------------------------
# Ticket [45f4bf4eb].
# Ticket [45f4bf4eb] reported by Manuel Rigger (2020-04-25)
#
# Follow up error reported by Eric Speckman on the SQLite forum
# https://sqlite.org/forum/info/c49496d24d35bd7c (2020-08-19)
#
reset_db
do_execsql_test 9.0 {
@ -324,5 +327,17 @@ do_execsql_test 9.5 {
UNION SELECT 0,0 WHERE 0;
} {0 0}
do_execsql_test 9.10 {
CREATE TABLE t1 (aaa);
INSERT INTO t1 VALUES(23456);
CREATE TABLE t2(bbb);
CREATE VIEW v2(ccc) AS SELECT bbb IS 1234 FROM t2;
SELECT ccc, ccc IS NULL AS ddd FROM t1 LEFT JOIN v2;
} {{} 1}
optimization_control db query-flattener 0
do_execsql_test 9.11 {
SELECT ccc, ccc IS NULL AS ddd FROM t1 LEFT JOIN v2;
} {{} 1}
finish_test