AryaWu/sqlite
0
1# 2016 June 172#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 file is testing "(...) IN (SELECT ...)" expressions13# where the SELECT statement returns more than one column.14#15 16set testdir [file dirname $argv0]17source $testdir/tester.tcl18set ::testprefix rowvalue319 20do_execsql_test 1.0 {21 CREATE TABLE t1(a, b, c);22 CREATE INDEX i1 ON t1(a, b);23 INSERT INTO t1 VALUES(1, 2, 3);24 INSERT INTO t1 VALUES(4, 5, 6);25 INSERT INTO t1 VALUES(7, 8, 9);26}27 28foreach {tn sql res} {29 1 "SELECT 1 WHERE (4, 5) IN (SELECT a, b FROM t1)" 130 2 "SELECT 1 WHERE (5, 5) IN (SELECT a, b FROM t1)" {}31 3 "SELECT 1 WHERE (5, 4) IN (SELECT a, b FROM t1)" {}32 4 "SELECT 1 WHERE (5, 4) IN (SELECT b, a FROM t1)" 133 5 "SELECT 1 WHERE (SELECT a, b FROM t1 WHERE c=6) IN (SELECT a, b FROM t1)" 134 6 "SELECT (5, 4) IN (SELECT a, b FROM t1)" 035 7 "SELECT 1 WHERE (5, 4) IN (SELECT +b, +a FROM t1)" 136 8 "SELECT (5, 4) IN (SELECT +b, +a FROM t1)" 137 9 "SELECT (1, 2) IN (SELECT rowid, b FROM t1)" 138 10 "SELECT 1 WHERE (1, 2) IN (SELECT rowid, b FROM t1)" 139 11 "SELECT 1 WHERE (1, NULL) IN (SELECT rowid, b FROM t1)" {}40 12 "SELECT 1 FROM t1 WHERE (a, b) = (SELECT +a, +b FROM t1)" {1}41} {42 do_execsql_test 1.$tn $sql $res43}44 45#-------------------------------------------------------------------------46 47do_execsql_test 2.0 {48 CREATE TABLE z1(x, y, z);49 CREATE TABLE kk(a, b);50 51 INSERT INTO z1 VALUES('a', 'b', 'c');52 INSERT INTO z1 VALUES('d', 'e', 'f');53 INSERT INTO z1 VALUES('g', 'h', 'i');54 55 -- INSERT INTO kk VALUES('y', 'y');56 INSERT INTO kk VALUES('d', 'e');57 -- INSERT INTO kk VALUES('x', 'x');58 59}60 61foreach {tn idx} {62 1 { }63 2 { CREATE INDEX z1idx ON z1(x, y) }64 3 { CREATE UNIQUE INDEX z1idx ON z1(x, y) }65 4 { CREATE INDEX z1idx ON kk(a, b) }66} {67 execsql "DROP INDEX IF EXISTS z1idx"68 execsql $idx69 70 do_execsql_test 2.$tn.1 {71 SELECT * FROM z1 WHERE x IN (SELECT a FROM kk)72 } {d e f}73 74 do_execsql_test 2.$tn.2 {75 SELECT * FROM z1 WHERE (x,y) IN (SELECT a, b FROM kk)76 } {d e f}77 78 do_execsql_test 2.$tn.3 {79 SELECT * FROM z1 WHERE (x, +y) IN (SELECT a, b FROM kk)80 } {d e f}81 82 do_execsql_test 2.$tn.4 {83 SELECT * FROM z1 WHERE (x, +y) IN (SELECT a, b||'x' FROM kk)84 } {}85 86 do_execsql_test 2.$tn.5 {87 SELECT * FROM z1 WHERE (+x, y) IN (SELECT a, b FROM kk)88 } {d e f}89}90 91#-------------------------------------------------------------------------92#93 94do_execsql_test 3.0 {95 CREATE TABLE c1(a, b, c, d);96 INSERT INTO c1(rowid, a, b) VALUES(1, NULL, 1);97 INSERT INTO c1(rowid, a, b) VALUES(2, 2, NULL);98 INSERT INTO c1(rowid, a, b) VALUES(3, 2, 2);99 INSERT INTO c1(rowid, a, b) VALUES(4, 3, 3);100 101 INSERT INTO c1(rowid, a, b, c, d) VALUES(101, 'a', 'b', 1, 1);102 INSERT INTO c1(rowid, a, b, c, d) VALUES(102, 'a', 'b', 1, 2);103 INSERT INTO c1(rowid, a, b, c, d) VALUES(103, 'a', 'b', 1, 3);104 INSERT INTO c1(rowid, a, b, c, d) VALUES(104, 'a', 'b', 2, 1);105 INSERT INTO c1(rowid, a, b, c, d) VALUES(105, 'a', 'b', 2, 2);106 INSERT INTO c1(rowid, a, b, c, d) VALUES(106, 'a', 'b', 2, 3);107 INSERT INTO c1(rowid, a, b, c, d) VALUES(107, 'a', 'b', 3, 1);108 INSERT INTO c1(rowid, a, b, c, d) VALUES(108, 'a', 'b', 3, 2);109 INSERT INTO c1(rowid, a, b, c, d) VALUES(109, 'a', 'b', 3, 3);110}111 112 113foreach {tn idx} {114 1 { }115 2 { CREATE INDEX c1ab ON c1(a, b); }116 3 { CREATE INDEX c1ba ON c1(b, a); }117 118 4 { CREATE INDEX c1cd ON c1(c, d); }119 5 { CREATE INDEX c1dc ON c1(d, c); }120} {121 drop_all_indexes122 123 foreach {tn2 sql res} {124 1 "SELECT (1, 2) IN (SELECT a, b FROM c1)" {0}125 2 "SELECT (1, 1) IN (SELECT a, b FROM c1)" {{}}126 3 "SELECT (2, 1) IN (SELECT a, b FROM c1)" {{}}127 4 "SELECT (2, 2) IN (SELECT a, b FROM c1)" {1}128 5 "SELECT c, d FROM c1 WHERE (c, d) IN (SELECT d, c FROM c1)"129 { 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3 }130 131 6 "SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1) ORDER BY c DESC"132 { 3 1 3 2 3 3 2 1 2 2 2 3 1 1 1 2 1 3 }133 134 7 {135 SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1) 136 ORDER BY c DESC, d ASC137 } { 3 1 3 2 3 3 2 1 2 2 2 3 1 1 1 2 1 3 }138 139 8 {140 SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1) 141 ORDER BY c ASC, d DESC142 } { 1 3 1 2 1 1 2 3 2 2 2 1 3 3 3 2 3 1 }143 144 9 {145 SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1) 146 ORDER BY c ASC, d ASC147 } { 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3 }148 10 {149 SELECT c, d FROM c1 WHERE (c,d) IN (SELECT d, c FROM c1) 150 ORDER BY c DESC, d DESC151 } { 3 3 3 2 3 1 2 3 2 2 2 1 1 3 1 2 1 1 }152 153 } {154 do_execsql_test 3.$tn.$tn2 $sql $res155 }156}157 158#-------------------------------------------------------------------------159 160do_execsql_test 4.0 {161 CREATE TABLE hh(a, b, c);162 163 INSERT INTO hh VALUES('a', 'a', 1);164 INSERT INTO hh VALUES('a', 'b', 2);165 INSERT INTO hh VALUES('b', 'a', 3);166 INSERT INTO hh VALUES('b', 'b', 4);167 168 CREATE TABLE k1(x, y);169 INSERT INTO k1 VALUES('a', 'a');170 INSERT INTO k1 VALUES('b', 'b');171 INSERT INTO k1 VALUES('a', 'b');172 INSERT INTO k1 VALUES('b', 'a');173}174 175foreach {tn idx} {176 1 { }177 2 { CREATE INDEX h1 ON hh(a, b); }178 3 { CREATE UNIQUE INDEX k1idx ON k1(x, y) }179 4 { CREATE UNIQUE INDEX k1idx ON k1(x, y DESC) }180 5 { 181 CREATE INDEX h1 ON hh(a, b);182 CREATE UNIQUE INDEX k1idx ON k1(x, y); 183 }184 6 { 185 CREATE INDEX h1 ON hh(a, b);186 CREATE UNIQUE INDEX k1idx ON k1(x, y DESC); 187 }188} {189 drop_all_indexes190 execsql $idx191 foreach {tn2 orderby res} {192 1 "a ASC, b ASC" {1 2 3 4}193 2 "a ASC, b DESC" {2 1 4 3}194 3 "a DESC, b ASC" {3 4 1 2}195 4 "a DESC, b DESC" {4 3 2 1}196 } {197 do_execsql_test 4.$tn.$tn2 "198 SELECT c FROM hh WHERE (a, b) in (SELECT x, y FROM k1) ORDER BY $orderby199 " $res200 }201}202 203#-------------------------------------------------------------------------204 205# 2016-11-17. Query flattening in a vector SELECT on the RHS of an IN206# operator. Ticket https://sqlite.org/src/info/da7841375186386c207#208do_execsql_test 5.0 {209 DROP TABLE IF EXISTS t1;210 DROP TABLE IF EXISTS t2;211 CREATE TABLE T1(a TEXT);212 INSERT INTO T1(a) VALUES ('aaa');213 CREATE TABLE T2(a TEXT PRIMARY KEY,n INT);214 INSERT INTO T2(a, n) VALUES('aaa',0);215 SELECT * FROM T2216 WHERE (a,n) IN (SELECT T1.a, V.n217 FROM T1, (SELECT * FROM (SELECT 0 n) T3) V);218} {aaa 0}219 220 221finish_test222