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When computing dependencies on WHERE-clause terms, be sure to take into

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account the FILTER clause of aggregate functions.  Problem reported by
Manuel Rigger.

FossilOrigin-Name: 3cc2b5709e66ef605c3b85ed13ae6cc9c3090e864ebc18859db36284b8f715b6
This commit is contained in:
drh
2019-12-20 15:35:56 +00:00
parent 8c7715d1cc
commit 8cc8feae7e
4 changed files with 27 additions and 10 deletions
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18
test/window1.test
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@ -1329,6 +1329,22 @@ do_execsql_test 37.20 {
SELECT c FROM v0 WHERE c BETWEEN -10 AND 20;
} {}
# 2019-20-20 mrigger reported problem with a FILTER clause on an aggregate
# in a join.
#
reset_db
do_execsql_test 38.10 {
CREATE TABLE t0(c0);
CREATE TABLE t1(c0, c1 UNIQUE);
INSERT INTO t0(c0) VALUES(1);
INSERT INTO t1(c0,c1) VALUES(2,3);
SELECT COUNT(*) FROM t0, t1 WHERE (SELECT AVG(0) FILTER(WHERE t1.c1));
} {0}
do_execsql_test 38.20 {
SELECT COUNT(*), AVG(1) FILTER(WHERE t1.c1) FROM t0, t1;
} {1 1.0}
do_execsql_test 38.30 {
SELECT COUNT(*) FROM t0, t1 WHERE (SELECT AVG(1) FILTER(WHERE t1.c1));
} {1}
finish_test