On 12/1/16, Mark Brand <mabr...@mabrand.nl> wrote: > > Using SQLite version 3.15.2, the following SQL returns 0 rows, whereas > I believe it should return 1 row. Any of the commented out alternatives > produces the expected 1 row.
Thanks for the clear and concise bug report. The ticket is https://www.sqlite.org/src/tktview/2df0107bd268 > > Mark > > CREATE VIEW W AS > SELECT 0 show_a; > > CREATE VIEW X AS > SELECT 'A' a, 1 v > UNION SELECT 'B', 1; > > CREATE VIEW Y AS > SELECT * FROM W JOIN X; > > SELECT CASE WHEN group_by_a THEN a END a, SUM(v) v > FROM Y > LEFT JOIN (SELECT NULL group_by_a UNION SELECT 1) x2 > ON show_a AND a IS NOT NULL > --ON show_a = 1 AND a IS NOT NULL > -- ON IFNULL(show_a, 0) AND a IS NOT NULL > --ON NOT(NOT(show_a)) AND a IS NOT NULL > GROUP BY CASE WHEN group_by_a THEN a END; > _______________________________________________ > sqlite-users mailing list > sqlite-users@mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > -- D. Richard Hipp d...@sqlite.org _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
