| # 2009 December 16 |
| # |
| # The author disclaims copyright to this source code. In place of |
| # a legal notice, here is a blessing: |
| # |
| # May you do good and not evil. |
| # May you find forgiveness for yourself and forgive others. |
| # May you share freely, never taking more than you give. |
| # |
| #*********************************************************************** |
| # This file implements regression tests for SQLite library. |
| # |
| # This file implements tests to verify that ticket [31338dca7e] has been |
| # fixed. Ticket [31338dca7e] demonstrates problems with the OR-clause |
| # optimization in joins where the WHERE clause is of the form |
| # |
| # (x AND y) OR z |
| # |
| # And the x and y subterms from from different tables of the join. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| do_test tkt-31338-1.1 { |
| db eval { |
| CREATE TABLE t1(x); |
| CREATE TABLE t2(y); |
| INSERT INTO t1 VALUES(111); |
| INSERT INTO t1 VALUES(222); |
| INSERT INTO t2 VALUES(333); |
| INSERT INTO t2 VALUES(444); |
| SELECT * FROM t1, t2 |
| WHERE (x=111 AND y!=444) OR x=222 |
| ORDER BY x, y; |
| } |
| } {111 333 222 333 222 444} |
| |
| do_test tkt-31338-1.2 { |
| db eval { |
| CREATE INDEX t1x ON t1(x); |
| SELECT * FROM t1, t2 |
| WHERE (x=111 AND y!=444) OR x=222 |
| ORDER BY x, y; |
| } |
| } {111 333 222 333 222 444} |
| |
| do_test tkt-31338-2.1 { |
| db eval { |
| CREATE TABLE t3(v,w); |
| CREATE TABLE t4(x,y); |
| CREATE TABLE t5(z); |
| INSERT INTO t3 VALUES(111,222); |
| INSERT INTO t3 VALUES(333,444); |
| INSERT INTO t4 VALUES(222,333); |
| INSERT INTO t4 VALUES(444,555); |
| INSERT INTO t5 VALUES(888); |
| INSERT INTO t5 VALUES(999); |
| |
| SELECT * FROM t3, t4, t5 |
| WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444) |
| ORDER BY v, w, x, y, z; |
| } |
| } {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999} |
| |
| do_test tkt-31338-2.2 { |
| db eval { |
| CREATE INDEX t3v ON t3(v); |
| CREATE INDEX t4x ON t4(x); |
| SELECT * FROM t3, t4, t5 |
| WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444) |
| ORDER BY v, w, x, y, z; |
| } |
| } {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999} |
| |
| |
| finish_test |