Index: third_party/sqlite/src/test/whereG.test |
diff --git a/third_party/sqlite/src/test/whereG.test b/third_party/sqlite/src/test/whereG.test |
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+# 2013-09-05 |
+# |
+# 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. |
+# |
+#*********************************************************************** |
+# |
+# Test cases for query planning decisions and the likely(), unlikely(), and |
+# likelihood() functions. |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+set testprefix whereG |
+ |
+do_execsql_test whereG-1.0 { |
+ CREATE TABLE composer( |
+ cid INTEGER PRIMARY KEY, |
+ cname TEXT |
+ ); |
+ CREATE TABLE album( |
+ aid INTEGER PRIMARY KEY, |
+ aname TEXT |
+ ); |
+ CREATE TABLE track( |
+ tid INTEGER PRIMARY KEY, |
+ cid INTEGER REFERENCES composer, |
+ aid INTEGER REFERENCES album, |
+ title TEXT |
+ ); |
+ CREATE INDEX track_i1 ON track(cid); |
+ CREATE INDEX track_i2 ON track(aid); |
+ INSERT INTO composer VALUES(1, 'W. A. Mozart'); |
+ INSERT INTO composer VALUES(2, 'Beethoven'); |
+ INSERT INTO composer VALUES(3, 'Thomas Tallis'); |
+ INSERT INTO composer VALUES(4, 'Joseph Hayden'); |
+ INSERT INTO composer VALUES(5, 'Thomas Weelkes'); |
+ INSERT INTO composer VALUES(6, 'J. S. Bach'); |
+ INSERT INTO composer VALUES(7, 'Orlando Gibbons'); |
+ INSERT INTO composer VALUES(8, 'Josquin des Prés'); |
+ INSERT INTO composer VALUES(9, 'Byrd'); |
+ INSERT INTO composer VALUES(10, 'Francis Poulenc'); |
+ INSERT INTO composer VALUES(11, 'Mendelsshon'); |
+ INSERT INTO composer VALUES(12, 'Zoltán Kodály'); |
+ INSERT INTO composer VALUES(13, 'Handel'); |
+ INSERT INTO album VALUES(100, 'Kodály: Missa Brevis'); |
+ INSERT INTO album VALUES(101, 'Messiah'); |
+ INSERT INTO album VALUES(102, 'Missa Brevis in D-, K.65'); |
+ INSERT INTO album VALUES(103, 'The complete English anthems'); |
+ INSERT INTO album VALUES(104, 'Mass in B Minor, BWV 232'); |
+ INSERT INTO track VALUES(10005, 12, 100, 'Sanctus'); |
+ INSERT INTO track VALUES(10007, 12, 100, 'Agnus Dei'); |
+ INSERT INTO track VALUES(10115, 13, 101, 'Surely He Hath Borne Our Griefs'); |
+ INSERT INTO track VALUES(10129, 13, 101, 'Since By Man Came Death'); |
+ INSERT INTO track VALUES(10206, 1, 102, 'Agnus Dei'); |
+ INSERT INTO track VALUES(10301, 3, 103, 'If Ye Love Me'); |
+ INSERT INTO track VALUES(10402, 6, 104, 'Domine Deus'); |
+ INSERT INTO track VALUES(10403, 6, 104, 'Qui tollis'); |
+} {} |
+do_eqp_test whereG-1.1 { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE unlikely(cname LIKE '%bach%') |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+} {/.*composer.*track.*album.*/} |
+do_execsql_test whereG-1.2 { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE unlikely(cname LIKE '%bach%') |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+} {{Mass in B Minor, BWV 232}} |
+ |
+do_eqp_test whereG-1.3 { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE likelihood(cname LIKE '%bach%', 0.5) |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+} {/.*track.*composer.*album.*/} |
+do_execsql_test whereG-1.4 { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE likelihood(cname LIKE '%bach%', 0.5) |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+} {{Mass in B Minor, BWV 232}} |
+ |
+do_eqp_test whereG-1.5 { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE cname LIKE '%bach%' |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+} {/.*track.*(composer.*album|album.*composer).*/} |
+do_execsql_test whereG-1.6 { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE cname LIKE '%bach%' |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+} {{Mass in B Minor, BWV 232}} |
+ |
+do_eqp_test whereG-1.7 { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE cname LIKE '%bach%' |
+ AND unlikely(composer.cid=track.cid) |
+ AND unlikely(album.aid=track.aid); |
+} {/.*track.*(composer.*album|album.*composer).*/} |
+do_execsql_test whereG-1.8 { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE cname LIKE '%bach%' |
+ AND unlikely(composer.cid=track.cid) |
+ AND unlikely(album.aid=track.aid); |
+} {{Mass in B Minor, BWV 232}} |
+ |
+do_test whereG-2.1 { |
+ catchsql { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE likelihood(cname LIKE '%bach%', -0.01) |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+ } |
+} {1 {second argument to likelihood() must be a constant between 0.0 and 1.0}} |
+do_test whereG-2.2 { |
+ catchsql { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE likelihood(cname LIKE '%bach%', 1.01) |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+ } |
+} {1 {second argument to likelihood() must be a constant between 0.0 and 1.0}} |
+do_test whereG-2.3 { |
+ catchsql { |
+ SELECT DISTINCT aname |
+ FROM album, composer, track |
+ WHERE likelihood(cname LIKE '%bach%', track.cid) |
+ AND composer.cid=track.cid |
+ AND album.aid=track.aid; |
+ } |
+} {1 {second argument to likelihood() must be a constant between 0.0 and 1.0}} |
+ |
+# Commuting a term of the WHERE clause should not change the query plan |
+# |
+do_execsql_test whereG-3.0 { |
+ CREATE TABLE a(a1 PRIMARY KEY, a2); |
+ CREATE TABLE b(b1 PRIMARY KEY, b2); |
+} {} |
+do_eqp_test whereG-3.1 { |
+ SELECT * FROM a, b WHERE b1=a1 AND a2=5; |
+} {/.*SCAN TABLE a.*SEARCH TABLE b USING INDEX .*b_1 .b1=..*/} |
+do_eqp_test whereG-3.2 { |
+ SELECT * FROM a, b WHERE a1=b1 AND a2=5; |
+} {/.*SCAN TABLE a.*SEARCH TABLE b USING INDEX .*b_1 .b1=..*/} |
+do_eqp_test whereG-3.3 { |
+ SELECT * FROM a, b WHERE a2=5 AND b1=a1; |
+} {/.*SCAN TABLE a.*SEARCH TABLE b USING INDEX .*b_1 .b1=..*/} |
+do_eqp_test whereG-3.4 { |
+ SELECT * FROM a, b WHERE a2=5 AND a1=b1; |
+} {/.*SCAN TABLE a.*SEARCH TABLE b USING INDEX .*b_1 .b1=..*/} |
+ |
+# Ticket [1e64dd782a126f48d78c43a664844a41d0e6334e]: |
+# Incorrect result in a nested GROUP BY/DISTINCT due to the use of an OP_SCopy |
+# where an OP_Copy was needed. |
+# |
+do_execsql_test whereG-4.0 { |
+ CREATE TABLE t4(x); |
+ INSERT INTO t4 VALUES('right'),('wrong'); |
+ SELECT DISTINCT x |
+ FROM (SELECT x FROM t4 GROUP BY x) |
+ WHERE x='right' |
+ ORDER BY x; |
+} {right} |
+ |
+#------------------------------------------------------------------------- |
+# Test that likelihood() specifications on indexed terms are taken into |
+# account by various forms of loops. |
+# |
+# 5.1.*: open ended range scans |
+# 5.2.*: skip-scans |
+# |
+reset_db |
+ |
+do_execsql_test 5.1 { |
+ CREATE TABLE t1(a, b, c); |
+ CREATE INDEX i1 ON t1(a, b); |
+} |
+do_eqp_test 5.1.2 { |
+ SELECT * FROM t1 WHERE a>? |
+} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?)}} |
+do_eqp_test 5.1.3 { |
+ SELECT * FROM t1 WHERE likelihood(a>?, 0.9) |
+} {0 0 0 {SCAN TABLE t1}} |
+do_eqp_test 5.1.4 { |
+ SELECT * FROM t1 WHERE likely(a>?) |
+} {0 0 0 {SCAN TABLE t1}} |
+ |
+do_test 5.2 { |
+ for {set i 0} {$i < 100} {incr i} { |
+ execsql { INSERT INTO t1 VALUES('abc', $i, $i); } |
+ } |
+ execsql { INSERT INTO t1 SELECT 'def', b, c FROM t1; } |
+ execsql { ANALYZE } |
+} {} |
+do_eqp_test 5.2.2 { |
+ SELECT * FROM t1 WHERE likelihood(b>?, 0.01) |
+} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (ANY(a) AND b>?)}} |
+do_eqp_test 5.2.3 { |
+ SELECT * FROM t1 WHERE likelihood(b>?, 0.9) |
+} {0 0 0 {SCAN TABLE t1}} |
+do_eqp_test 5.2.4 { |
+ SELECT * FROM t1 WHERE likely(b>?) |
+} {0 0 0 {SCAN TABLE t1}} |
+ |
+do_eqp_test 5.3.1 { |
+ SELECT * FROM t1 WHERE a=? |
+} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?)}} |
+do_eqp_test 5.3.2 { |
+ SELECT * FROM t1 WHERE likelihood(a=?, 0.9) |
+} {0 0 0 {SCAN TABLE t1}} |
+do_eqp_test 5.3.3 { |
+ SELECT * FROM t1 WHERE likely(a=?) |
+} {0 0 0 {SCAN TABLE t1}} |
+ |
+finish_test |