AryaWu/sqlite

1# 2011 September 162#3# The author disclaims copyright to this source code.  In place of4# a legal notice, here is a blessing:5#6#    May you do good and not evil.7#    May you find forgiveness for yourself and forgive others.8#    May you share freely, never taking more than you give.9#10#*************************************************************************11# This file implements regression tests for SQLite library.  The12# focus of this script is testing correlated subqueries13#14#15 16set testdir [file dirname $argv0]17source $testdir/tester.tcl18set ::testprefix subquery219 20ifcapable !subquery {21  finish_test22  return23}24 25do_test subquery2-1.1 {26  execsql {27    BEGIN;28    CREATE TABLE t1(a,b);29    INSERT INTO t1 VALUES(1,2);30    INSERT INTO t1 VALUES(3,4);31    INSERT INTO t1 VALUES(5,6);32    INSERT INTO t1 VALUES(7,8);33    CREATE TABLE t2(c,d);34    INSERT INTO t2 VALUES(1,1);35    INSERT INTO t2 VALUES(3,9);36    INSERT INTO t2 VALUES(5,25);37    INSERT INTO t2 VALUES(7,49);38    CREATE TABLE t3(e,f);39    INSERT INTO t3 VALUES(1,1);40    INSERT INTO t3 VALUES(3,27);41    INSERT INTO t3 VALUES(5,125);42    INSERT INTO t3 VALUES(7,343);43    COMMIT;44  }45  execsql {46    SELECT a FROM t147     WHERE b IN (SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));48  }49} {1 3 5 7}50do_test subquery2-1.2 {51  execsql {52    CREATE INDEX t1b ON t1(b);53    SELECT a FROM t154     WHERE b IN (SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));55  }56} {1 3 5 7}57 58do_test subquery2-1.11 {59  execsql {60    SELECT a FROM t161     WHERE +b=(SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));62  }63} {1}64do_test subquery2-1.12 {65  execsql {66    SELECT a FROM t167     WHERE b=(SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));68  }69} {1}70 71do_test subquery2-1.21 {72  execsql {73    SELECT a FROM t174     WHERE +b=(SELECT x+1 FROM 75                 (SELECT DISTINCT f/d AS x FROM t2 JOIN t3 ON d*a=f))76  }77} {1 3 5 7}78do_test subquery2-1.22 {79  execsql {80    SELECT a FROM t181     WHERE b=(SELECT x+1 FROM 82                 (SELECT DISTINCT f/d AS x FROM t2 JOIN t3 ON d*a=f))83  }84} {1 3 5 7}85 86#-------------------------------------------------------------------------87# Test that ticket d6b36be38a has been fixed.88do_execsql_test 2.1 {89  CREATE TABLE t4(a, b);90  CREATE TABLE t5(a, b);91  INSERT INTO t5 VALUES(3, 5);92 93  INSERT INTO t4 VALUES(1, 1);94  INSERT INTO t4 VALUES(2, 3);95  INSERT INTO t4 VALUES(3, 6);96  INSERT INTO t4 VALUES(4, 10);97  INSERT INTO t4 VALUES(5, 15);98}99 100do_execsql_test 2.2 {101  SELECT * 102  FROM (SELECT * FROM t4 ORDER BY a LIMIT -1 OFFSET 1) 103  LIMIT (SELECT a FROM t5)104} {2 3   3 6   4 10}105 106############################################################################107# Ticket http://sqlite.org/src/info/d11a6e908f (2014-09-20)108# Query planner fault on three-way nested join with compound inner SELECT 109#110do_execsql_test 3.0 {111  DROP TABLE IF EXISTS t1;112  DROP TABLE IF EXISTS t2;113  CREATE TABLE t1 (id INTEGER PRIMARY KEY, data TEXT);114  INSERT INTO t1(id,data) VALUES(9,'nine-a');115  INSERT INTO t1(id,data) VALUES(10,'ten-a');116  INSERT INTO t1(id,data) VALUES(11,'eleven-a');117  CREATE TABLE t2 (id INTEGER PRIMARY KEY, data TEXT);118  INSERT INTO t2(id,data) VALUES(9,'nine-b');119  INSERT INTO t2(id,data) VALUES(10,'ten-b');120  INSERT INTO t2(id,data) VALUES(11,'eleven-b');121  122  SELECT id FROM (123    SELECT id,data FROM (124       SELECT * FROM t1 UNION ALL SELECT * FROM t2125    )126    WHERE id=10 ORDER BY data127  );128} {10 10}129do_execsql_test 3.1 {130  SELECT data FROM (131     SELECT 'dummy', data FROM (132       SELECT data FROM t1 UNION ALL SELECT data FROM t1133     ) ORDER BY data134  );135} {eleven-a eleven-a nine-a nine-a ten-a ten-a}136do_execsql_test 3.2 {137  DROP TABLE IF EXISTS t3;138  DROP TABLE IF EXISTS t4;139  CREATE TABLE t3(id INTEGER, data TEXT);140  CREATE TABLE t4(id INTEGER, data TEXT);141  INSERT INTO t3 VALUES(4, 'a'),(2,'c');142  INSERT INTO t4 VALUES(3, 'b'),(1,'d');143 144  SELECT data, id FROM (145    SELECT id, data FROM (146       SELECT * FROM t3 UNION ALL SELECT * FROM t4147    ) ORDER BY data148  );149} {a 4 b 3 c 2 d 1}150 151#-------------------------------------------------------------------------152 153do_execsql_test 4.0 {154  CREATE TABLE t6(x);155}156 157foreach {tn sql} {158  1 {159    SELECT 'abc' FROM (160        SELECT x FROM t6 ORDER BY 1161        UNION ALL162        SELECT x FROM t6163    )164  }165  2 {166    SELECT 'abc' FROM (167        SELECT x FROM t6168        UNION ALL169        SELECT x FROM t6 ORDER BY 1170        UNION ALL171        SELECT x FROM t6172    )173  }174  3 {175    SELECT 'abc' FROM (176        SELECT x FROM t6 ORDER BY 1177        UNION ALL178        SELECT x FROM t6 ORDER BY 1179        UNION ALL180        SELECT x FROM t6181    )182  }183  4 {184    SELECT 'abc' FROM (185        SELECT x FROM t6186        UNION ALL187        SELECT x FROM t6 ORDER BY 1188        UNION ALL189        SELECT x FROM t6 ORDER BY 1190        UNION ALL191        SELECT x FROM t6192    )193  }194} {195  do_catchsql_test 4.$tn $sql [list {*}{196    1 {ORDER BY clause should come after UNION ALL not before}197  }]198}199 200#-------------------------------------------------------------------------201# Test that ticket [9cdc5c46] is fixed.202#203reset_db204do_execsql_test 5.0 {205  CREATE TABLE t1(x);206  INSERT INTO t1 VALUES('ALFKI');207  INSERT INTO t1 VALUES('ANATR');208 209  CREATE TABLE t2(y, z);210  CREATE INDEX t2y ON t2 (y);211  INSERT INTO t2 VALUES('ANATR', '1997-08-08 00:00:00');212  INSERT INTO t2 VALUES('ALFKI', '1997-08-25 00:00:00');213}214do_execsql_test 5.1 {215  SELECT ( SELECT y FROM t2 WHERE x = y ORDER BY y, z) FROM t1;216} {ALFKI ANATR}217 218#-------------------------------------------------------------------------219reset_db220do_execsql_test 6.0 {221  CREATE TABLE t1(x);222  INSERT INTO t1 VALUES(1234);223}224 225do_execsql_test 6.1 {226  SELECT DISTINCT 'string' FROM t1 LIMIT 1 OFFSET 5;227}228 229do_execsql_test 6.2 {230  SELECT (231      SELECT 'string' FROM t1 LIMIT 1 OFFSET 5232  );233} {{}}234 235do_execsql_test 6.3 {236  SELECT (237      SELECT DISTINCT 'string' FROM t1 LIMIT 1 OFFSET 5238  );239} {{}}240 241do_execsql_test 6.4 {242  SELECT (243      SELECT DISTINCT 'string' FROM t1 ORDER BY 1 LIMIT 1 OFFSET 5244  );245} {{}}246 247do_execsql_test 6.5 {248  SELECT (249      SELECT 'string' FROM t1 ORDER BY 1 LIMIT 1 OFFSET 5250  );251} {{}}252 253do_execsql_test 6.6 {254  SELECT (SELECT DISTINCT x, x FROM t1 LIMIT 1 OFFSET 5)==(1234, 1234)255} {{}}256 257#-------------------------------------------------------------------------258reset_db259do_execsql_test 7.0 {260  CREATE TABLE t1(x);261  CREATE INDEX i1 ON t1(x);262  INSERT INTO t1 VALUES(1234);263}264 265do_execsql_test 7.1 {266  SELECT (267    SELECT DISTINCT 'string' FROM t1 ORDER BY x LIMIT 1 OFFSET 5268  );269} {{}}270 271do_execsql_test 7.2 {272  DROP INDEX i1;273  CREATE UNIQUE INDEX i1 ON t1(x);274}275 276do_execsql_test 7.3 {277  SELECT (278    SELECT DISTINCT x FROM t1 ORDER BY 1 LIMIT 1 OFFSET 5279  );280} {{}}281 282do_execsql_test 7.4 {283  SELECT (SELECT DISTINCT x FROM t1 ORDER BY +x LIMIT 1 OFFSET 0);284} {1234}285 286finish_test287