| # 2008 December 30 |
| # |
| # 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. The |
| # focus of this file is testing the multi-index OR clause optimizer. |
| # |
| # $Id: where9.test,v 1.9 2009/06/05 17:09:12 drh Exp $ |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| ifcapable !or_opt { |
| finish_test |
| return |
| } |
| |
| # Evaluate SQL. Return the result set followed by the |
| # and the number of full-scan steps. |
| # |
| proc count_steps {sql} { |
| set r [db eval $sql] |
| lappend r scan [db status step] sort [db status sort] |
| } |
| |
| |
| # Construct test data. |
| # |
| do_test where9-1.1 { |
| db eval { |
| CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d,e,f,g); |
| INSERT INTO t1 VALUES(1,11,1001,1.001,100.1,'bcdefghij','yxwvuts'); |
| INSERT INTO t1 VALUES(2,22,1001,2.002,100.1,'cdefghijk','yxwvuts'); |
| INSERT INTO t1 VALUES(3,33,1001,3.003,100.1,'defghijkl','xwvutsr'); |
| INSERT INTO t1 VALUES(4,44,2002,4.004,200.2,'efghijklm','xwvutsr'); |
| INSERT INTO t1 VALUES(5,55,2002,5.005,200.2,'fghijklmn','xwvutsr'); |
| INSERT INTO t1 VALUES(6,66,2002,6.006,200.2,'ghijklmno','xwvutsr'); |
| INSERT INTO t1 VALUES(7,77,3003,7.007,300.3,'hijklmnop','xwvutsr'); |
| INSERT INTO t1 VALUES(8,88,3003,8.008,300.3,'ijklmnopq','wvutsrq'); |
| INSERT INTO t1 VALUES(9,99,3003,9.009,300.3,'jklmnopqr','wvutsrq'); |
| INSERT INTO t1 VALUES(10,110,4004,10.01,400.4,'klmnopqrs','wvutsrq'); |
| INSERT INTO t1 VALUES(11,121,4004,11.011,400.4,'lmnopqrst','wvutsrq'); |
| INSERT INTO t1 VALUES(12,132,4004,12.012,400.4,'mnopqrstu','wvutsrq'); |
| INSERT INTO t1 VALUES(13,143,5005,13.013,500.5,'nopqrstuv','vutsrqp'); |
| INSERT INTO t1 VALUES(14,154,5005,14.014,500.5,'opqrstuvw','vutsrqp'); |
| INSERT INTO t1 VALUES(15,165,5005,15.015,500.5,'pqrstuvwx','vutsrqp'); |
| INSERT INTO t1 VALUES(16,176,6006,16.016,600.6,'qrstuvwxy','vutsrqp'); |
| INSERT INTO t1 VALUES(17,187,6006,17.017,600.6,'rstuvwxyz','vutsrqp'); |
| INSERT INTO t1 VALUES(18,198,6006,18.018,600.6,'stuvwxyza','utsrqpo'); |
| INSERT INTO t1 VALUES(19,209,7007,19.019,700.7,'tuvwxyzab','utsrqpo'); |
| INSERT INTO t1 VALUES(20,220,7007,20.02,700.7,'uvwxyzabc','utsrqpo'); |
| INSERT INTO t1 VALUES(21,231,7007,21.021,700.7,'vwxyzabcd','utsrqpo'); |
| INSERT INTO t1 VALUES(22,242,8008,22.022,800.8,'wxyzabcde','utsrqpo'); |
| INSERT INTO t1 VALUES(23,253,8008,23.023,800.8,'xyzabcdef','tsrqpon'); |
| INSERT INTO t1 VALUES(24,264,8008,24.024,800.8,'yzabcdefg','tsrqpon'); |
| INSERT INTO t1 VALUES(25,275,9009,25.025,900.9,'zabcdefgh','tsrqpon'); |
| INSERT INTO t1 VALUES(26,286,9009,26.026,900.9,'abcdefghi','tsrqpon'); |
| INSERT INTO t1 VALUES(27,297,9009,27.027,900.9,'bcdefghij','tsrqpon'); |
| INSERT INTO t1 VALUES(28,308,10010,28.028,1001.0,'cdefghijk','srqponm'); |
| INSERT INTO t1 VALUES(29,319,10010,29.029,1001.0,'defghijkl','srqponm'); |
| INSERT INTO t1 VALUES(30,330,10010,30.03,1001.0,'efghijklm','srqponm'); |
| INSERT INTO t1 VALUES(31,341,11011,31.031,1101.1,'fghijklmn','srqponm'); |
| INSERT INTO t1 VALUES(32,352,11011,32.032,1101.1,'ghijklmno','srqponm'); |
| INSERT INTO t1 VALUES(33,363,11011,33.033,1101.1,'hijklmnop','rqponml'); |
| INSERT INTO t1 VALUES(34,374,12012,34.034,1201.2,'ijklmnopq','rqponml'); |
| INSERT INTO t1 VALUES(35,385,12012,35.035,1201.2,'jklmnopqr','rqponml'); |
| INSERT INTO t1 VALUES(36,396,12012,36.036,1201.2,'klmnopqrs','rqponml'); |
| INSERT INTO t1 VALUES(37,407,13013,37.037,1301.3,'lmnopqrst','rqponml'); |
| INSERT INTO t1 VALUES(38,418,13013,38.038,1301.3,'mnopqrstu','qponmlk'); |
| INSERT INTO t1 VALUES(39,429,13013,39.039,1301.3,'nopqrstuv','qponmlk'); |
| INSERT INTO t1 VALUES(40,440,14014,40.04,1401.4,'opqrstuvw','qponmlk'); |
| INSERT INTO t1 VALUES(41,451,14014,41.041,1401.4,'pqrstuvwx','qponmlk'); |
| INSERT INTO t1 VALUES(42,462,14014,42.042,1401.4,'qrstuvwxy','qponmlk'); |
| INSERT INTO t1 VALUES(43,473,15015,43.043,1501.5,'rstuvwxyz','ponmlkj'); |
| INSERT INTO t1 VALUES(44,484,15015,44.044,1501.5,'stuvwxyza','ponmlkj'); |
| INSERT INTO t1 VALUES(45,495,15015,45.045,1501.5,'tuvwxyzab','ponmlkj'); |
| INSERT INTO t1 VALUES(46,506,16016,46.046,1601.6,'uvwxyzabc','ponmlkj'); |
| INSERT INTO t1 VALUES(47,517,16016,47.047,1601.6,'vwxyzabcd','ponmlkj'); |
| INSERT INTO t1 VALUES(48,528,16016,48.048,1601.6,'wxyzabcde','onmlkji'); |
| INSERT INTO t1 VALUES(49,539,17017,49.049,1701.7,'xyzabcdef','onmlkji'); |
| INSERT INTO t1 VALUES(50,550,17017,50.05,1701.7,'yzabcdefg','onmlkji'); |
| INSERT INTO t1 VALUES(51,561,17017,51.051,1701.7,'zabcdefgh','onmlkji'); |
| INSERT INTO t1 VALUES(52,572,18018,52.052,1801.8,'abcdefghi','onmlkji'); |
| INSERT INTO t1 VALUES(53,583,18018,53.053,1801.8,'bcdefghij','nmlkjih'); |
| INSERT INTO t1 VALUES(54,594,18018,54.054,1801.8,'cdefghijk','nmlkjih'); |
| INSERT INTO t1 VALUES(55,605,19019,55.055,1901.9,'defghijkl','nmlkjih'); |
| INSERT INTO t1 VALUES(56,616,19019,56.056,1901.9,'efghijklm','nmlkjih'); |
| INSERT INTO t1 VALUES(57,627,19019,57.057,1901.9,'fghijklmn','nmlkjih'); |
| INSERT INTO t1 VALUES(58,638,20020,58.058,2002.0,'ghijklmno','mlkjihg'); |
| INSERT INTO t1 VALUES(59,649,20020,59.059,2002.0,'hijklmnop','mlkjihg'); |
| INSERT INTO t1 VALUES(60,660,20020,60.06,2002.0,'ijklmnopq','mlkjihg'); |
| INSERT INTO t1 VALUES(61,671,21021,61.061,2102.1,'jklmnopqr','mlkjihg'); |
| INSERT INTO t1 VALUES(62,682,21021,62.062,2102.1,'klmnopqrs','mlkjihg'); |
| INSERT INTO t1 VALUES(63,693,21021,63.063,2102.1,'lmnopqrst','lkjihgf'); |
| INSERT INTO t1 VALUES(64,704,22022,64.064,2202.2,'mnopqrstu','lkjihgf'); |
| INSERT INTO t1 VALUES(65,715,22022,65.065,2202.2,'nopqrstuv','lkjihgf'); |
| INSERT INTO t1 VALUES(66,726,22022,66.066,2202.2,'opqrstuvw','lkjihgf'); |
| INSERT INTO t1 VALUES(67,737,23023,67.067,2302.3,'pqrstuvwx','lkjihgf'); |
| INSERT INTO t1 VALUES(68,748,23023,68.068,2302.3,'qrstuvwxy','kjihgfe'); |
| INSERT INTO t1 VALUES(69,759,23023,69.069,2302.3,'rstuvwxyz','kjihgfe'); |
| INSERT INTO t1 VALUES(70,770,24024,70.07,2402.4,'stuvwxyza','kjihgfe'); |
| INSERT INTO t1 VALUES(71,781,24024,71.071,2402.4,'tuvwxyzab','kjihgfe'); |
| INSERT INTO t1 VALUES(72,792,24024,72.072,2402.4,'uvwxyzabc','kjihgfe'); |
| INSERT INTO t1 VALUES(73,803,25025,73.073,2502.5,'vwxyzabcd','jihgfed'); |
| INSERT INTO t1 VALUES(74,814,25025,74.074,2502.5,'wxyzabcde','jihgfed'); |
| INSERT INTO t1 VALUES(75,825,25025,75.075,2502.5,'xyzabcdef','jihgfed'); |
| INSERT INTO t1 VALUES(76,836,26026,76.076,2602.6,'yzabcdefg','jihgfed'); |
| INSERT INTO t1 VALUES(77,847,26026,77.077,2602.6,'zabcdefgh','jihgfed'); |
| INSERT INTO t1 VALUES(78,858,26026,78.078,2602.6,'abcdefghi','ihgfedc'); |
| INSERT INTO t1 VALUES(79,869,27027,79.079,2702.7,'bcdefghij','ihgfedc'); |
| INSERT INTO t1 VALUES(80,880,27027,80.08,2702.7,'cdefghijk','ihgfedc'); |
| INSERT INTO t1 VALUES(81,891,27027,81.081,2702.7,'defghijkl','ihgfedc'); |
| INSERT INTO t1 VALUES(82,902,28028,82.082,2802.8,'efghijklm','ihgfedc'); |
| INSERT INTO t1 VALUES(83,913,28028,83.083,2802.8,'fghijklmn','hgfedcb'); |
| INSERT INTO t1 VALUES(84,924,28028,84.084,2802.8,'ghijklmno','hgfedcb'); |
| INSERT INTO t1 VALUES(85,935,29029,85.085,2902.9,'hijklmnop','hgfedcb'); |
| INSERT INTO t1 VALUES(86,946,29029,86.086,2902.9,'ijklmnopq','hgfedcb'); |
| INSERT INTO t1 VALUES(87,957,29029,87.087,2902.9,'jklmnopqr','hgfedcb'); |
| INSERT INTO t1 VALUES(88,968,30030,88.088,3003.0,'klmnopqrs','gfedcba'); |
| INSERT INTO t1 VALUES(89,979,30030,89.089,3003.0,'lmnopqrst','gfedcba'); |
| INSERT INTO t1 VALUES(90,NULL,30030,90.09,3003.0,'mnopqrstu','gfedcba'); |
| INSERT INTO t1 VALUES(91,1001,NULL,91.091,3103.1,'nopqrstuv','gfedcba'); |
| INSERT INTO t1 VALUES(92,1012,31031,NULL,3103.1,'opqrstuvw','gfedcba'); |
| INSERT INTO t1 VALUES(93,1023,31031,93.093,NULL,'pqrstuvwx','fedcbaz'); |
| INSERT INTO t1 VALUES(94,1034,32032,94.094,3203.2,NULL,'fedcbaz'); |
| INSERT INTO t1 VALUES(95,1045,32032,95.095,3203.2,'rstuvwxyz',NULL); |
| INSERT INTO t1 VALUES(96,NULL,NULL,96.096,3203.2,'stuvwxyza','fedcbaz'); |
| INSERT INTO t1 VALUES(97,1067,33033,NULL,NULL,'tuvwxyzab','fedcbaz'); |
| INSERT INTO t1 VALUES(98,1078,33033,98.098,3303.3,NULL,NULL); |
| INSERT INTO t1 VALUES(99,NULL,NULL,NULL,NULL,NULL,NULL); |
| CREATE INDEX t1b ON t1(b); |
| CREATE INDEX t1c ON t1(c); |
| CREATE INDEX t1d ON t1(d); |
| CREATE INDEX t1e ON t1(e); |
| CREATE INDEX t1f ON t1(f); |
| CREATE INDEX t1g ON t1(g); |
| CREATE TABLE t2(a INTEGER PRIMARY KEY,b,c,d,e,f,g); |
| INSERT INTO t2 SELECT * FROM t1; |
| CREATE INDEX t2b ON t2(b,c); |
| CREATE INDEX t2c ON t2(c,e); |
| CREATE INDEX t2d ON t2(d,g); |
| CREATE INDEX t2e ON t2(e,f,g); |
| CREATE INDEX t2f ON t2(f,b,d,c); |
| CREATE INDEX t2g ON t2(g,f); |
| CREATE TABLE t3(x,y); |
| INSERT INTO t3 VALUES(1,80); |
| INSERT INTO t3 VALUES(2,80); |
| CREATE TABLE t4(a INTEGER PRIMARY KEY,b,c,d,e,f,g); |
| INSERT INTO t4 SELECT * FROM t1; |
| CREATE INDEX t4b ON t4(b); |
| CREATE INDEX t4c ON t4(c); |
| } |
| } {} |
| |
| do_test where9-1.2.1 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE b IS NULL |
| OR c IS NULL |
| OR d IS NULL |
| ORDER BY a |
| } |
| } {90 91 92 96 97 99 scan 0 sort 1} |
| do_test where9-1.2.2 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE +b IS NULL |
| OR c IS NULL |
| OR d IS NULL |
| ORDER BY a |
| } |
| } {90 91 92 96 97 99 scan 98 sort 0} |
| do_test where9-1.2.3 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE b IS NULL |
| OR +c IS NULL |
| OR d IS NULL |
| ORDER BY a |
| } |
| } {90 91 92 96 97 99 scan 98 sort 0} |
| do_test where9-1.2.4 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE b IS NULL |
| OR c IS NULL |
| OR +d IS NULL |
| ORDER BY a |
| } |
| } {90 91 92 96 97 99 scan 98 sort 0} |
| do_test where9-1.2.5 { |
| count_steps { |
| SELECT a FROM t4 |
| WHERE b IS NULL |
| OR c IS NULL |
| OR d IS NULL |
| ORDER BY a |
| } |
| } {90 91 92 96 97 99 scan 98 sort 0} |
| |
| do_test where9-1.3.1 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| ORDER BY a |
| } |
| } {90 91 92 97 scan 0 sort 1} |
| do_test where9-1.3.2 { |
| count_steps { |
| SELECT a FROM t4 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| ORDER BY a |
| } |
| } {90 91 92 97 scan 98 sort 0} |
| do_test where9-1.3.3 { |
| count_steps { |
| SELECT a FROM t4 |
| WHERE (b NOT NULL AND c NOT NULL AND d IS NULL) |
| OR (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| ORDER BY a |
| } |
| } {90 91 92 97 scan 98 sort 0} |
| do_test where9-1.3.4 { |
| count_steps { |
| SELECT a FROM t4 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| ORDER BY a |
| } |
| } {90 91 92 97 scan 98 sort 0} |
| |
| do_test where9-1.4 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE (b>=950 AND b<=1010) OR (b IS NULL AND c NOT NULL) |
| ORDER BY a |
| } |
| } {87 88 89 90 91 scan 0 sort 1} |
| do_test where9-1.5 { |
| # When this test was originally written, SQLite used a rowset object |
| # to optimize the "ORDER BY a" clause. Now that it is using a rowhash, |
| # this is not possible. So we have to comment out one term of the OR |
| # expression in order to prevent SQLite from deeming a full-table |
| # scan to be a better strategy than using multiple indexes, which would |
| # defeat the point of the test. |
| count_steps { |
| SELECT a FROM t1 |
| WHERE a=83 |
| OR b=913 |
| OR c=28028 |
| OR (d>=82 AND d<83) |
| /* OR (e>2802 AND e<2803) */ |
| OR f='fghijklmn' |
| OR g='hgfedcb' |
| ORDER BY a |
| } |
| } {5 31 57 82 83 84 85 86 87 scan 0 sort 1} |
| do_test where9-1.6 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE b=1012 |
| OR (d IS NULL AND e IS NOT NULL) |
| } |
| } {92 scan 0 sort 0} |
| do_test where9-1.7 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE (b=1012 OR (d IS NULL AND e IS NOT NULL)) |
| AND f!=g |
| } |
| } {92 scan 0 sort 0} |
| do_test where9-1.8 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE (b=1012 OR (d IS NULL AND e IS NOT NULL)) |
| AND f==g |
| } |
| } {scan 0 sort 0} |
| |
| do_test where9-2.1 { |
| count_steps { |
| SELECT t2.a FROM t1, t2 |
| WHERE t1.a=80 |
| AND (t1.c=t2.c OR t1.d=t2.d) |
| ORDER BY 1 |
| } |
| } {79 80 81 scan 0 sort 1} |
| do_test where9-2.2 { |
| count_steps { |
| SELECT t2.a FROM t1, t2 |
| WHERE t1.a=80 |
| AND ((t1.c=t2.c AND t1.d=t2.d) OR t1.f=t2.f) |
| ORDER BY 1 |
| } |
| } {2 28 54 80 scan 0 sort 1} |
| do_test where9-2.3 { |
| count_steps { |
| SELECT coalesce(t2.a,9999) |
| FROM t1 LEFT JOIN t2 ON (t1.c=t2.c AND t1.d=t2.d) OR t1.f=t2.f |
| WHERE t1.a=80 |
| ORDER BY 1 |
| } |
| } {2 28 54 80 scan 0 sort 1} |
| do_test where9-2.4 { |
| count_steps { |
| SELECT coalesce(t2.a,9999) |
| FROM t1 LEFT JOIN t2 ON (t1.c+1=t2.c AND t1.d=t2.d) OR (t1.f||'x')=t2.f |
| WHERE t1.a=80 |
| ORDER BY 1 |
| } |
| } {9999 scan 0 sort 1} |
| do_test where9-2.5 { |
| count_steps { |
| SELECT t1.a, coalesce(t2.a,9999) |
| FROM t1 LEFT JOIN t2 ON (t1.c=t2.c AND t1.d=t2.d) OR (t1.f)=t2.f |
| WHERE t1.a=80 OR t1.b=880 OR (t1.c=27027 AND round(t1.d)==80) |
| ORDER BY 1 |
| } |
| } {80 80 80 2 80 28 80 54 scan 0 sort 1} |
| do_test where9-2.6 { |
| count_steps { |
| SELECT t1.a, coalesce(t2.a,9999) |
| FROM t1 LEFT JOIN t2 ON (t1.c+1=t2.c AND t1.d=t2.d) OR (t1.f||'x')=t2.f |
| WHERE t1.a=80 OR t1.b=880 OR (t1.c=27027 AND round(t1.d)==80) |
| ORDER BY 1 |
| } |
| } {80 9999 scan 0 sort 1} |
| do_test where9-2.7 { |
| count_steps { |
| SELECT t3.x, t1.a, coalesce(t2.a,9999) |
| FROM t3 JOIN |
| t1 LEFT JOIN t2 ON (t1.c+1=t2.c AND t1.d=t2.d) OR (t1.f||'x')=t2.f |
| WHERE t1.a=t3.y OR t1.b=t3.y*11 OR (t1.c=27027 AND round(t1.d)==80) |
| ORDER BY 1, 2 |
| } |
| } {1 80 9999 2 80 9999 scan 1 sort 1} |
| do_test where9-2.8 { |
| count_steps { |
| SELECT t3.x, t1.a, coalesce(t2.a,9999) |
| FROM t3 JOIN |
| t1 LEFT JOIN t2 ON (t1.c=t2.c AND t1.d=t2.d) OR (t1.f)=t2.f |
| WHERE t1.a=t3.y OR t1.b=t3.y*11 OR (t1.c=27027 AND round(t1.d)==80) |
| ORDER BY 1, 2, 3 |
| } |
| } {1 80 2 1 80 28 1 80 54 1 80 80 2 80 2 2 80 28 2 80 54 2 80 80 scan 1 sort 1} |
| |
| |
| ifcapable explain { |
| do_execsql_test where9-3.1 { |
| EXPLAIN QUERY PLAN |
| SELECT t2.a FROM t1, t2 |
| WHERE t1.a=80 AND ((t1.c=t2.c AND t1.d=t2.d) OR t1.f=t2.f) |
| } { |
| 0 0 0 {SEARCH TABLE t1 USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)} |
| 0 1 1 {SEARCH TABLE t2 USING INDEX t2d (d=?) (~2 rows)} |
| 0 1 1 {SEARCH TABLE t2 USING COVERING INDEX t2f (f=?) (~10 rows)} |
| } |
| do_execsql_test where9-3.2 { |
| EXPLAIN QUERY PLAN |
| SELECT coalesce(t2.a,9999) |
| FROM t1 LEFT JOIN t2 ON (t1.c+1=t2.c AND t1.d=t2.d) OR (t1.f||'x')=t2.f |
| WHERE t1.a=80 |
| } { |
| 0 0 0 {SEARCH TABLE t1 USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)} |
| 0 1 1 {SEARCH TABLE t2 USING INDEX t2d (d=?) (~2 rows)} |
| 0 1 1 {SEARCH TABLE t2 USING COVERING INDEX t2f (f=?) (~10 rows)} |
| } |
| } |
| |
| # Make sure that INDEXED BY and multi-index OR clauses play well with |
| # one another. |
| # |
| do_test where9-4.1 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE b>1000 |
| AND (c=31031 OR d IS NULL) |
| ORDER BY +a |
| } |
| } {92 93 97 scan 0 sort 1} |
| do_test where9-4.2 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE b>1000 |
| AND (c=31031 OR +d IS NULL) |
| ORDER BY +a |
| } |
| } {92 93 97 scan 0 sort 1} |
| do_test where9-4.3 { |
| count_steps { |
| SELECT a FROM t1 |
| WHERE +b>1000 |
| AND (c=31031 OR d IS NULL) |
| ORDER BY +a |
| } |
| } {92 93 97 scan 0 sort 1} |
| do_test where9-4.4 { |
| count_steps { |
| SELECT a FROM t1 INDEXED BY t1b |
| WHERE b>1000 |
| AND (c=31031 OR d IS NULL) |
| ORDER BY +a |
| } |
| } {92 93 97 scan 0 sort 1} |
| do_test where9-4.5 { |
| catchsql { |
| SELECT a FROM t1 INDEXED BY t1b |
| WHERE +b>1000 |
| AND (c=31031 OR d IS NULL) |
| ORDER BY +a |
| } |
| } {1 {cannot use index: t1b}} |
| do_test where9-4.6 { |
| count_steps { |
| SELECT a FROM t1 NOT INDEXED |
| WHERE b>1000 |
| AND (c=31031 OR d IS NULL) |
| ORDER BY +a |
| } |
| } {92 93 97 scan 98 sort 1} |
| do_test where9-4.7 { |
| catchsql { |
| SELECT a FROM t1 INDEXED BY t1c |
| WHERE b>1000 |
| AND (c=31031 OR d IS NULL) |
| ORDER BY +a |
| } |
| } {1 {cannot use index: t1c}} |
| do_test where9-4.8 { |
| catchsql { |
| SELECT a FROM t1 INDEXED BY t1d |
| WHERE b>1000 |
| AND (c=31031 OR d IS NULL) |
| ORDER BY +a |
| } |
| } {1 {cannot use index: t1d}} |
| |
| ifcapable explain { |
| # The (c=31031 OR d IS NULL) clause is preferred over b>1000 because |
| # the former is an equality test which is expected to return fewer rows. |
| # |
| do_execsql_test where9-5.1 { |
| EXPLAIN QUERY PLAN SELECT a FROM t1 WHERE b>1000 AND (c=31031 OR d IS NULL) |
| } { |
| 0 0 0 {SEARCH TABLE t1 USING INDEX t1c (c=?) (~10 rows)} |
| 0 0 0 {SEARCH TABLE t1 USING INDEX t1d (d=?) (~10 rows)} |
| } |
| |
| # In contrast, b=1000 is preferred over any OR-clause. |
| # |
| do_execsql_test where9-5.2 { |
| EXPLAIN QUERY PLAN SELECT a FROM t1 WHERE b=1000 AND (c=31031 OR d IS NULL) |
| } { |
| 0 0 0 {SEARCH TABLE t1 USING INDEX t1b (b=?) (~5 rows)} |
| } |
| |
| # Likewise, inequalities in an AND are preferred over inequalities in |
| # an OR. |
| # |
| do_execsql_test where9-5.3 { |
| EXPLAIN QUERY PLAN SELECT a FROM t1 WHERE b>1000 AND (c>=31031 OR d IS NULL) |
| } { |
| 0 0 0 {SEARCH TABLE t1 USING INDEX t1b (b>?) (~125000 rows)} |
| } |
| } |
| |
| ############################################################################ |
| # Make sure OR-clauses work correctly on UPDATE and DELETE statements. |
| |
| do_test where9-6.2.1 { |
| db eval {SELECT count(*) FROM t1 UNION ALL SELECT a FROM t1 WHERE a>=85} |
| } {99 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99} |
| |
| do_test where9-6.2.2 { ;# Deletes entries 90 91 92 96 97 99 |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 |
| WHERE b IS NULL |
| OR c IS NULL |
| OR d IS NULL |
| } |
| } {scan 0 sort 0} |
| |
| do_test where9-6.2.3 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a>=85; |
| ROLLBACK; |
| } |
| } {93 85 86 87 88 89 93 94 95 98} |
| |
| do_test where9-6.2.4 { ;# Deletes entries 90 91 92 96 97 99 |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 |
| WHERE +b IS NULL |
| OR c IS NULL |
| OR d IS NULL |
| } |
| } {scan 98 sort 0} |
| |
| do_test where9-6.2.5 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a>=85; |
| ROLLBACK; |
| } |
| } {93 85 86 87 88 89 93 94 95 98} |
| |
| do_test where9-6.2.6 { |
| count_steps { |
| BEGIN; |
| UPDATE t1 SET a=a+100 |
| WHERE (b IS NULL |
| OR c IS NULL |
| OR d IS NULL) |
| AND a!=92 |
| AND a!=97 |
| } |
| } {scan 0 sort 0} ;# Add 100 to entries 90 91 96 99 |
| |
| do_test where9-6.2.7 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a>=85; |
| ROLLBACK |
| } |
| } {99 85 86 87 88 89 92 93 94 95 97 98 190 191 196 199} |
| |
| do_test where9-6.2.8 { ;# Deletes entries 90 91 92 97 99 |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 |
| WHERE (b IS NULL |
| OR c IS NULL |
| OR d IS NULL) |
| AND a!=96 |
| } |
| } {scan 0 sort 0} |
| |
| do_test where9-6.2.9 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL SELECT a FROM t1 WHERE a>=85; |
| ROLLBACK; |
| } |
| } {94 85 86 87 88 89 93 94 95 96 98} |
| |
| do_test where9-6.3.1 { |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {scan 0 sort 0} ;# DELETEs rows 90 91 92 97 |
| do_test where9-6.3.2 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 100; |
| ROLLBACK; |
| } |
| } {95 85 86 87 88 89 93 94 95 96 98 99} |
| |
| do_test where9-6.3.3 { |
| count_steps { |
| BEGIN; |
| UPDATE t1 SET a=a+100 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {scan 0 sort 0} ;# Add 100 to rowids 90 91 92 97 |
| do_test where9-6.3.4 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 200; |
| ROLLBACK; |
| } |
| } {99 85 86 87 88 89 93 94 95 96 98 99 190 191 192 197} |
| |
| do_test where9-6.3.5 { |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 |
| WHERE (+b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {scan 98 sort 0} ;# DELETEs rows 90 91 92 97 |
| do_test where9-6.3.6 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 100; |
| ROLLBACK; |
| } |
| } {95 85 86 87 88 89 93 94 95 96 98 99} |
| |
| do_test where9-6.3.7 { |
| count_steps { |
| BEGIN; |
| UPDATE t1 SET a=a+100 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND +c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {scan 98 sort 0} ;# Add 100 to rowids 90 91 92 97 |
| do_test where9-6.3.8 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 100; |
| ROLLBACK; |
| } |
| } {99 85 86 87 88 89 93 94 95 96 98 99} |
| |
| |
| do_test where9-6.4.1 { |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 |
| WHERE (b>=950 AND b<=1010) OR (b IS NULL AND c NOT NULL) |
| } |
| } {scan 0 sort 0} ;# DELETE rows 87 88 89 90 91 |
| do_test where9-6.4.2 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 100; |
| ROLLBACK; |
| } |
| } {94 85 86 92 93 94 95 96 97 98 99} |
| do_test where9-6.4.3 { |
| count_steps { |
| BEGIN; |
| UPDATE t1 SET a=a+100 |
| WHERE (b>=950 AND b<=1010) OR (b IS NULL AND c NOT NULL) |
| } |
| } {scan 0 sort 0} ;# Add 100 to rowids 87 88 89 90 91 |
| do_test where9-6.4.4 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 100; |
| ROLLBACK; |
| } |
| } {99 85 86 92 93 94 95 96 97 98 99} |
| |
| |
| do_test where9-6.5.1 { |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 |
| WHERE a=83 |
| OR b=913 |
| OR c=28028 |
| OR (d>=82 AND d<83) |
| OR (e>2802 AND e<2803) |
| OR f='fghijklmn' |
| OR g='hgfedcb' |
| } |
| } {scan 0 sort 0} ;# DELETE rows 5 31 57 82 83 84 85 86 87 |
| do_test where9-6.5.2 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a IN (5,31,57,82,83,84,85,86,87); |
| ROLLBACK; |
| } |
| } {90} |
| |
| do_test where9-6.5.3 { |
| count_steps { |
| BEGIN; |
| UPDATE t1 SET a=a+100 |
| WHERE a=83 |
| OR b=913 |
| OR c=28028 |
| OR (d>=82 AND d<83) |
| OR (e>2802 AND e<2803) |
| OR f='fghijklmn' |
| OR g='hgfedcb' |
| } |
| } {scan 0 sort 0} ;# Add 100 to rowids 5 31 57 82 83 84 85 86 87 |
| do_test where9-6.5.4 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a%100 IN (5,31,57,82,83,84,85,86,87); |
| ROLLBACK; |
| } |
| } {99 105 131 157 182 183 184 185 186 187} |
| |
| do_test where9-6.6.1 { |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND +c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {scan 98 sort 0} ;# DELETEs rows 90 91 92 97 |
| do_test where9-6.6.2 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 100; |
| ROLLBACK; |
| } |
| } {95 85 86 87 88 89 93 94 95 96 98 99} |
| |
| do_test where9-6.6.3 { |
| count_steps { |
| BEGIN; |
| UPDATE t1 SET a=a+100 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND +c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {scan 98 sort 0} ;# Add 100 to rowids 90 91 92 97 |
| do_test where9-6.6.4 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 200; |
| ROLLBACK; |
| } |
| } {99 85 86 87 88 89 93 94 95 96 98 99 190 191 192 197} |
| |
| do_test where9-6.7.1 { |
| count_steps { |
| BEGIN; |
| DELETE FROM t1 NOT INDEXED |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {scan 98 sort 0} ;# DELETEs rows 90 91 92 97 |
| do_test where9-6.7.2 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 100; |
| ROLLBACK; |
| } |
| } {95 85 86 87 88 89 93 94 95 96 98 99} |
| |
| do_test where9-6.7.3 { |
| count_steps { |
| BEGIN; |
| UPDATE t1 NOT INDEXED SET a=a+100 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {scan 98 sort 0} ;# Add 100 to rowids 90 91 92 97 |
| do_test where9-6.7.4 { |
| db eval { |
| SELECT count(*) FROM t1 UNION ALL |
| SELECT a FROM t1 WHERE a BETWEEN 85 AND 200; |
| ROLLBACK; |
| } |
| } {99 85 86 87 88 89 93 94 95 96 98 99 190 191 192 197} |
| |
| do_test where9-6.8.1 { |
| catchsql { |
| DELETE FROM t1 INDEXED BY t1b |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {1 {cannot use index: t1b}} |
| do_test where9-6.8.2 { |
| catchsql { |
| UPDATE t1 INDEXED BY t1b SET a=a+100 |
| WHERE (b IS NULL AND c NOT NULL AND d NOT NULL) |
| OR (b NOT NULL AND c IS NULL AND d NOT NULL) |
| OR (b NOT NULL AND c NOT NULL AND d IS NULL) |
| } |
| } {1 {cannot use index: t1b}} |
| |
| finish_test |