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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 a.*SEARCH b USING INDEX .*b_1 .b1=..*/}
+do_eqp_test whereG-3.2 {
+ SELECT * FROM a, b WHERE a1=b1 AND a2=5;
+} {/.*SCAN a.*SEARCH b USING INDEX .*b_1 .b1=..*/}
+do_eqp_test whereG-3.3 {
+ SELECT * FROM a, b WHERE a2=5 AND b1=a1;
+} {/.*SCAN a.*SEARCH b USING INDEX .*b_1 .b1=..*/}
+do_eqp_test whereG-3.4 {
+ SELECT * FROM a, b WHERE a2=5 AND a1=b1;
+} {/.*SCAN a.*SEARCH 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>?
+} {SEARCH t1 USING INDEX i1 (a>?)}
+do_eqp_test 5.1.3 {
+ SELECT * FROM t1 WHERE likelihood(a>?, 0.9)
+} {SCAN t1}
+do_eqp_test 5.1.4 {
+ SELECT * FROM t1 WHERE likely(a>?)
+} {SCAN 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)
+} {SEARCH t1 USING INDEX i1 (ANY(a) AND b>?)}
+do_eqp_test 5.2.3 {
+ SELECT * FROM t1 WHERE likelihood(b>?, 0.9)
+} {SCAN t1}
+do_eqp_test 5.2.4 {
+ SELECT * FROM t1 WHERE likely(b>?)
+} {SCAN t1}
+
+ifcapable stat4 {
+ do_eqp_test 5.3.1.stat4 {
+ SELECT * FROM t1 WHERE a=?
+ } {SCAN t1}
+} else {
+ do_eqp_test 5.3.1 {
+ SELECT * FROM t1 WHERE a=?
+ } {SEARCH t1 USING INDEX i1}
+}
+do_eqp_test 5.3.2 {
+ SELECT * FROM t1 WHERE likelihood(a=?, 0.9)
+} {SCAN t1}
+do_eqp_test 5.3.3 {
+ SELECT * FROM t1 WHERE likely(a=?)
+} {SCAN t1}
+
+# 2015-06-18
+# Ticket [https://www.sqlite.org/see/tktview/472f0742a1868fb58862bc588ed70]
+#
+do_execsql_test 6.0 {
+ DROP TABLE IF EXISTS t1;
+ CREATE TABLE t1(i int, x, y, z);
+ INSERT INTO t1 VALUES (1,1,1,1), (2,2,2,2), (3,3,3,3), (4,4,4,4);
+ DROP TABLE IF EXISTS t2;
+ CREATE TABLE t2(i int, bool char);
+ INSERT INTO t2 VALUES(1,'T'), (2,'F');
+ SELECT count(*) FROM t1 LEFT JOIN t2 ON t1.i=t2.i AND bool='T';
+ SELECT count(*) FROM t1 LEFT JOIN t2 ON likely(t1.i=t2.i) AND bool='T';
+} {4 4}
+
+# 2015-06-20
+# Crash discovered by AFL
+#
+do_execsql_test 7.0 {
+ DROP TABLE IF EXISTS t1;
+ CREATE TABLE t1(a, b, PRIMARY KEY(a,b));
+ INSERT INTO t1 VALUES(9,1),(1,2);
+ DROP TABLE IF EXISTS t2;
+ CREATE TABLE t2(x, y, PRIMARY KEY(x,y));
+ INSERT INTO t2 VALUES(3,3),(4,4);
+ SELECT likely(a), x FROM t1, t2 ORDER BY 1, 2;
+} {1 3 1 4 9 3 9 4}
+do_execsql_test 7.1 {
+ SELECT unlikely(a), x FROM t1, t2 ORDER BY 1, 2;
+} {1 3 1 4 9 3 9 4}
+do_execsql_test 7.2 {
+ SELECT likelihood(a,0.5), x FROM t1, t2 ORDER BY 1, 2;
+} {1 3 1 4 9 3 9 4}
+do_execsql_test 7.3 {
+ SELECT coalesce(a,a), x FROM t1, t2 ORDER BY 1, 2;
+} {1 3 1 4 9 3 9 4}
+
+# 2019-08-22
+# Ticket https://www.sqlite.org/src/info/7e07a3dbf5a8cd26
+#
+do_execsql_test 8.1 {
+ DROP TABLE IF EXISTS t0;
+ CREATE TABLE t0 (c0);
+ INSERT INTO t0(c0) VALUES ('a');
+ SELECT LIKELY(t0.rowid) <= '0' FROM t0;
+} {1}
+do_execsql_test 8.2 {
+ SELECT * FROM t0 WHERE LIKELY(t0.rowid) <= '0';
+} {a}
+do_execsql_test 8.3 {
+ SELECT (t0.rowid) <= '0' FROM t0;
+} {0}
+do_execsql_test 8.4 {
+ SELECT * FROM t0 WHERE (t0.rowid) <= '0';
+} {}
+do_execsql_test 8.5 {
+ SELECT unlikely(t0.rowid) <= '0', likelihood(t0.rowid,0.5) <= '0' FROM t0;
+} {1 1}
+do_execsql_test 8.6 {
+ SELECT * FROM t0 WHERE unlikely(t0.rowid) <= '0';
+} {a}
+do_execsql_test 8.7 {
+ SELECT * FROM t0 WHERE likelihood(t0.rowid, 0.5) <= '0';
+} {a}
+do_execsql_test 8.8 {
+ SELECT unlikely(t0.rowid <= '0'),
+ likely(t0.rowid <= '0'),
+ likelihood(t0.rowid <= '0',0.5)
+ FROM t0;
+} {0 0 0}
+do_execsql_test 8.9 {
+ SELECT * FROM t0 WHERE unlikely(t0.rowid <= '0');
+} {}
+do_execsql_test 8.10 {
+ SELECT * FROM t0 WHERE likelihood(t0.rowid <= '0', 0.5);
+} {}
+
+# 2019-12-31: assertion fault discovered by Yongheng's fuzzer.
+# Harmless memIsValid() due to the code generators failure to
+# release the registers used by OP_ResultRow.
+#
+do_execsql_test 9.10 {
+ DROP TABLE IF EXISTS t1;
+ CREATE TABLE t1(a, b FLOAT);
+ INSERT INTO t1(a) VALUES(''),(NULL),('X'),(NULL);
+ SELECT coalesce(max(quote(a)),10) FROM t1 GROUP BY a;
+} {NULL '' 'X'}
+
+# 2020-06-14: assert() changed back into testcase()
+# ticket 9fb26d37cefaba40
+#
+reset_db
+do_execsql_test 10.1 {
+ CREATE TABLE a(b TEXT); INSERT INTO a VALUES(0),(4),(9);
+ CREATE TABLE c(d NUM);
+ CREATE VIEW f(g, h) AS SELECT b, 0 FROM a UNION SELECT d, d FROM c;
+ SELECT g = g FROM f GROUP BY h;
+} {1}
+
+reset_db
+do_execsql_test 11.0 {
+ CREATE TABLE t1(x PRIMARY KEY, y);
+ INSERT INTO t1 VALUES('AAA', 'BBB');
+
+ CREATE TABLE t2(z);
+ INSERT INTO t2 VALUES('t2');
+
+ CREATE TABLE t3(x PRIMARY KEY, y);
+ INSERT INTO t3 VALUES('AAA', 'AAA');
+}
+
+do_execsql_test 11.1.1 {
+ SELECT * FROM t1 JOIN t2 ON unlikely(x=y) AND y='AAA'
+}
+do_execsql_test 11.1.2 {
+ SELECT * FROM t1 JOIN t2 ON likely(x=y) AND y='AAA'
+}
+do_execsql_test 11.1.3 {
+ SELECT * FROM t1 JOIN t2 ON x=y AND y='AAA'
+}
+
+do_execsql_test 11.2.1 {
+ SELECT * FROM t3 JOIN t2 ON unlikely(x=y) AND y='AAA'
+} {AAA AAA t2}
+do_execsql_test 11.2.2 {
+ SELECT * FROM t3 JOIN t2 ON likely(x=y) AND y='AAA'
+} {AAA AAA t2}
+do_execsql_test 11.2.3 {
+ SELECT * FROM t3 JOIN t2 ON x=y AND y='AAA'
+} {AAA AAA t2}
+
+# 2021-06-14 forum https://sqlite.org/forum/forumpost/3b940c437a
+# Affinity problem when a likely() function is used as a column in
+# an index.
+#
+reset_db
+do_execsql_test 12.0 {
+ CREATE TABLE t1(a REAL);
+ INSERT INTO t1(a) VALUES(123);
+ CREATE INDEX t1x1 ON t1(likely(a));
+ SELECT typeof(likely(a)) FROM t1 NOT INDEXED;
+ SELECT typeof(likely(a)) FROM t1 INDEXED BY t1x1;
+} {real real}
+do_execsql_test 12.1 {
+ CREATE INDEX t1x2 ON t1(abs(a));
+ SELECT typeof(abs(a)) FROM t1 NOT INDEXED;
+ SELECT typeof(abs(a)) FROM t1 INDEXED BY t1x2;
+} {real real}
+
+
+finish_test
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