c01a3c1775
are not prematurely evaluated when tables on the left end of the join make use of the OR-clause optimization. Fix for ticket [31338dca7e]. FossilOrigin-Name: 2c2de252666662f5459904fc33a9f2956cbff23c
78 lines
2.1 KiB
Plaintext
78 lines
2.1 KiB
Plaintext
# 2009 December 16
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library.
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#
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# This file implements tests to verify that ticket [31338dca7e] has been
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# fixed. Ticket [31338dca7e] demonstrates problems with the OR-clause
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# optimization in joins where the WHERE clause is of the form
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#
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# (x AND y) OR z
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#
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# And the x and y subterms from from different tables of the join.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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do_test tkt-31338-1.1 {
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db eval {
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CREATE TABLE t1(x);
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CREATE TABLE t2(y);
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INSERT INTO t1 VALUES(111);
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INSERT INTO t1 VALUES(222);
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INSERT INTO t2 VALUES(333);
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INSERT INTO t2 VALUES(444);
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SELECT * FROM t1, t2
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WHERE (x=111 AND y!=444) OR x=222
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ORDER BY x, y;
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}
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} {111 333 222 333 222 444}
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do_test tkt-31338-1.2 {
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db eval {
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CREATE INDEX t1x ON t1(x);
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SELECT * FROM t1, t2
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WHERE (x=111 AND y!=444) OR x=222
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ORDER BY x, y;
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}
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} {111 333 222 333 222 444}
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do_test tkt-31338-2.1 {
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db eval {
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CREATE TABLE t3(v,w);
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CREATE TABLE t4(x,y);
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CREATE TABLE t5(z);
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INSERT INTO t3 VALUES(111,222);
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INSERT INTO t3 VALUES(333,444);
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INSERT INTO t4 VALUES(222,333);
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INSERT INTO t4 VALUES(444,555);
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INSERT INTO t5 VALUES(888);
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INSERT INTO t5 VALUES(999);
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SELECT * FROM t3, t4, t5
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WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444)
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ORDER BY v, w, x, y, z;
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}
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} {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999}
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do_test tkt-31338-2.2 {
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db eval {
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CREATE INDEX t3v ON t3(v);
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CREATE INDEX t4x ON t4(x);
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SELECT * FROM t3, t4, t5
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WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444)
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ORDER BY v, w, x, y, z;
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}
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} {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999}
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finish_test
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