# 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