# 2002 May 24 # # 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. # # This file implements tests for joins, including outer joins involving # virtual tables. The test cases in this file are copied from the file # join.test, and some of the comments still reflect that. # # $Id: vtab6.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable !vtab { finish_test return } register_echo_module [sqlite3_connection_pointer db] execsql { CREATE TABLE real_t1(a,b,c); CREATE TABLE real_t2(b,c,d); CREATE TABLE real_t3(c,d,e); CREATE TABLE real_t4(d,e,f); CREATE TABLE real_t5(a INTEGER PRIMARY KEY); CREATE TABLE real_t6(a INTEGER); CREATE TABLE real_t7 (x, y); CREATE TABLE real_t8 (a integer primary key, b); CREATE TABLE real_t9(a INTEGER PRIMARY KEY, b); CREATE TABLE real_t10(x INTEGER PRIMARY KEY, y); CREATE TABLE real_t11(p INTEGER PRIMARY KEY, q); CREATE TABLE real_t12(a,b); CREATE TABLE real_t13(b,c); CREATE TABLE real_t21(a,b,c); CREATE TABLE real_t22(p,q); } foreach t [list t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t21 t22] { execsql "CREATE VIRTUAL TABLE $t USING echo(real_$t)" } do_test vtab6-1.1 { execsql { INSERT INTO t1 VALUES(1,2,3); INSERT INTO t1 VALUES(2,3,4); INSERT INTO t1 VALUES(3,4,5); SELECT * FROM t1; } } {1 2 3 2 3 4 3 4 5} do_test vtab6-1.2 { execsql { INSERT INTO t2 VALUES(1,2,3); INSERT INTO t2 VALUES(2,3,4); INSERT INTO t2 VALUES(3,4,5); SELECT * FROM t2; } } {1 2 3 2 3 4 3 4 5} do_test vtab6-1.3 { execsql2 { SELECT * FROM t1 NATURAL JOIN t2; } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.3.1 { execsql2 { SELECT * FROM t2 NATURAL JOIN t1; } } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} do_test vtab6-1.3.2 { execsql2 { SELECT * FROM t2 AS x NATURAL JOIN t1; } } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} do_test vtab6-1.3.3 { execsql2 { SELECT * FROM t2 NATURAL JOIN t1 AS y; } } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} do_test vtab6-1.3.4 { execsql { SELECT b FROM t1 NATURAL JOIN t2; } } {2 3} do_test vtab6-1.4.1 { execsql2 { SELECT * FROM t1 INNER JOIN t2 USING(b,c); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.4.2 { execsql2 { SELECT * FROM t1 AS x INNER JOIN t2 USING(b,c); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.4.3 { execsql2 { SELECT * FROM t1 INNER JOIN t2 AS y USING(b,c); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.4.4 { execsql2 { SELECT * FROM t1 AS x INNER JOIN t2 AS y USING(b,c); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.4.5 { execsql { SELECT b FROM t1 JOIN t2 USING(b); } } {2 3} do_test vtab6-1.5 { execsql2 { SELECT * FROM t1 INNER JOIN t2 USING(b); } } {a 1 b 2 c 3 c 3 d 4 a 2 b 3 c 4 c 4 d 5} do_test vtab6-1.6 { execsql2 { SELECT * FROM t1 INNER JOIN t2 USING(c); } } {a 1 b 2 c 3 b 2 d 4 a 2 b 3 c 4 b 3 d 5} do_test vtab6-1.7 { execsql2 { SELECT * FROM t1 INNER JOIN t2 USING(c,b); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.8 { execsql { SELECT * FROM t1 NATURAL CROSS JOIN t2; } } {1 2 3 4 2 3 4 5} do_test vtab6-1.9 { execsql { SELECT * FROM t1 CROSS JOIN t2 USING(b,c); } } {1 2 3 4 2 3 4 5} do_test vtab6-1.10 { execsql { SELECT * FROM t1 NATURAL INNER JOIN t2; } } {1 2 3 4 2 3 4 5} do_test vtab6-1.11 { execsql { SELECT * FROM t1 INNER JOIN t2 USING(b,c); } } {1 2 3 4 2 3 4 5} do_test vtab6-1.12 { execsql { SELECT * FROM t1 natural inner join t2; } } {1 2 3 4 2 3 4 5} ifcapable subquery { do_test vtab6-1.13 { execsql2 { SELECT * FROM t1 NATURAL JOIN (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as t3 } } {a 1 b 2 c 3 d 4 e 5} do_test vtab6-1.14 { execsql2 { SELECT * FROM (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as 'tx' NATURAL JOIN t1 } } {c 3 d 4 e 5 a 1 b 2} } do_test vtab6-1.15 { execsql { INSERT INTO t3 VALUES(2,3,4); INSERT INTO t3 VALUES(3,4,5); INSERT INTO t3 VALUES(4,5,6); SELECT * FROM t3; } } {2 3 4 3 4 5 4 5 6} do_test vtab6-1.16 { execsql { SELECT * FROM t1 natural join t2 natural join t3; } } {1 2 3 4 5 2 3 4 5 6} do_test vtab6-1.17 { execsql2 { SELECT * FROM t1 natural join t2 natural join t3; } } {a 1 b 2 c 3 d 4 e 5 a 2 b 3 c 4 d 5 e 6} do_test vtab6-1.18 { execsql { INSERT INTO t4 VALUES(2,3,4); INSERT INTO t4 VALUES(3,4,5); INSERT INTO t4 VALUES(4,5,6); SELECT * FROM t4; } } {2 3 4 3 4 5 4 5 6} do_test vtab6-1.19.1 { execsql { SELECT * FROM t1 natural join t2 natural join t4; } } {1 2 3 4 5 6} do_test vtab6-1.19.2 { execsql2 { SELECT * FROM t1 natural join t2 natural join t4; } } {a 1 b 2 c 3 d 4 e 5 f 6} do_test vtab6-1.20 { execsql { SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1 } } {1 2 3 4 5} do_test vtab6-2.1 { execsql { SELECT * FROM t1 NATURAL LEFT JOIN t2; } } {1 2 3 4 2 3 4 5 3 4 5 {}} do_test vtab6-2.2 { execsql { SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1; } } {1 2 3 {} 2 3 4 1 3 4 5 2} do_test vtab6-2.3 { catchsql { SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2; } } {1 {RIGHT and FULL OUTER JOINs are not currently supported}} do_test vtab6-2.4 { execsql { SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d } } {1 2 3 {} {} {} 2 3 4 {} {} {} 3 4 5 1 2 3} do_test vtab6-2.5 { execsql { SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t1.a>1 } } {2 3 4 {} {} {} 3 4 5 1 2 3} do_test vtab6-2.6 { execsql { SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t2.b IS NULL OR t2.b>1 } } {1 2 3 {} {} {} 2 3 4 {} {} {}} do_test vtab6-3.1 { catchsql { SELECT * FROM t1 NATURAL JOIN t2 ON t1.a=t2.b; } } {1 {a NATURAL join may not have an ON or USING clause}} do_test vtab6-3.2 { catchsql { SELECT * FROM t1 NATURAL JOIN t2 USING(b); } } {1 {a NATURAL join may not have an ON or USING clause}} do_test vtab6-3.3 { catchsql { SELECT * FROM t1 JOIN t2 ON t1.a=t2.b USING(b); } } {1 {cannot have both ON and USING clauses in the same join}} do_test vtab6-3.4 { catchsql { SELECT * FROM t1 JOIN t2 USING(a); } } {1 {cannot join using column a - column not present in both tables}} do_test vtab6-3.5 { catchsql { SELECT * FROM t1 USING(a) } } {1 {a JOIN clause is required before USING}} do_test vtab6-3.6 { catchsql { SELECT * FROM t1 JOIN t2 ON t3.a=t2.b; } } {1 {no such column: t3.a}} do_test vtab6-3.7 { catchsql { SELECT * FROM t1 INNER OUTER JOIN t2; } } {1 {unknown or unsupported join type: INNER OUTER}} do_test vtab6-3.7 { catchsql { SELECT * FROM t1 LEFT BOGUS JOIN t2; } } {1 {unknown or unsupported join type: LEFT BOGUS}} do_test vtab6-4.1 { execsql { BEGIN; INSERT INTO t6 VALUES(NULL); INSERT INTO t6 VALUES(NULL); INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; COMMIT; } execsql { SELECT * FROM t6 NATURAL JOIN t5; } } {} do_test vtab6-4.2 { execsql { SELECT * FROM t6, t5 WHERE t6.at5.a; } } {} do_test vtab6-4.4 { execsql { UPDATE t6 SET a='xyz'; SELECT * FROM t6 NATURAL JOIN t5; } } {} do_test vtab6-4.6 { execsql { SELECT * FROM t6, t5 WHERE t6.at5.a; } } {} do_test vtab6-4.8 { execsql { UPDATE t6 SET a=1; SELECT * FROM t6 NATURAL JOIN t5; } } {} do_test vtab6-4.9 { execsql { SELECT * FROM t6, t5 WHERE t6.at5.a; } } {} # A test for ticket #247. # do_test vtab6-7.1 { execsql { INSERT INTO t7 VALUES ("pa1", 1); INSERT INTO t7 VALUES ("pa2", NULL); INSERT INTO t7 VALUES ("pa3", NULL); INSERT INTO t7 VALUES ("pa4", 2); INSERT INTO t7 VALUES ("pa30", 131); INSERT INTO t7 VALUES ("pa31", 130); INSERT INTO t7 VALUES ("pa28", NULL); INSERT INTO t8 VALUES (1, "pa1"); INSERT INTO t8 VALUES (2, "pa4"); INSERT INTO t8 VALUES (3, NULL); INSERT INTO t8 VALUES (4, NULL); INSERT INTO t8 VALUES (130, "pa31"); INSERT INTO t8 VALUES (131, "pa30"); SELECT coalesce(t8.a,999) from t7 LEFT JOIN t8 on y=a; } } {1 999 999 2 131 130 999} # Make sure a left join where the right table is really a view that # is itself a join works right. Ticket #306. # ifcapable view { do_test vtab6-8.1 { execsql { BEGIN; INSERT INTO t9 VALUES(1,11); INSERT INTO t9 VALUES(2,22); INSERT INTO t10 VALUES(1,2); INSERT INTO t10 VALUES(3,3); INSERT INTO t11 VALUES(2,111); INSERT INTO t11 VALUES(3,333); CREATE VIEW v10_11 AS SELECT x, q FROM t10, t11 WHERE t10.y=t11.p; COMMIT; SELECT * FROM t9 LEFT JOIN v10_11 ON( a=x ); } } {1 11 1 111 2 22 {} {}} ifcapable subquery { do_test vtab6-8.2 { execsql { SELECT * FROM t9 LEFT JOIN (SELECT x, q FROM t10, t11 WHERE t10.y=t11.p) ON( a=x); } } {1 11 1 111 2 22 {} {}} } do_test vtab6-8.3 { execsql { SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x ); } } {1 111 1 11 3 333 {} {}} } ;# ifcapable view # Ticket #350 describes a scenario where LEFT OUTER JOIN does not # function correctly if the right table in the join is really # subquery. # # To test the problem, we generate the same LEFT OUTER JOIN in two # separate selects but with on using a subquery and the other calling # the table directly. Then connect the two SELECTs using an EXCEPT. # Both queries should generate the same results so the answer should # be an empty set. # ifcapable compound { do_test vtab6-9.1 { execsql { BEGIN; INSERT INTO t12 VALUES(1,11); INSERT INTO t12 VALUES(2,22); INSERT INTO t13 VALUES(22,222); COMMIT; } } {} ifcapable subquery { do_test vtab6-9.1.1 { execsql { SELECT * FROM t12 NATURAL LEFT JOIN t13 EXCEPT SELECT * FROM t12 NATURAL LEFT JOIN (SELECT * FROM t13 WHERE b>0); } } {} } ifcapable view { do_test vtab6-9.2 { execsql { CREATE VIEW v13 AS SELECT * FROM t13 WHERE b>0; SELECT * FROM t12 NATURAL LEFT JOIN t13 EXCEPT SELECT * FROM t12 NATURAL LEFT JOIN v13; } } {} } ;# ifcapable view } ;# ifcapable compound ifcapable subquery { do_test vtab6-10.1 { execsql { CREATE INDEX i22 ON real_t22(q); SELECT a FROM t21 LEFT JOIN t22 ON b=p WHERE q= (SELECT max(m.q) FROM t22 m JOIN t21 n ON n.b=m.p WHERE n.c=1); } } {} } ;# ifcapable subquery do_test vtab6-11.1.0 { execsql { CREATE TABLE ab_r(a, b); CREATE TABLE bc_r(b, c); CREATE VIRTUAL TABLE ab USING echo(ab_r); CREATE VIRTUAL TABLE bc USING echo(bc_r); INSERT INTO ab VALUES(1, 2); INSERT INTO bc VALUES(2, 3); } } {} do_test vtab6-11.1.1 { execsql { SELECT a, b, c FROM ab NATURAL JOIN bc; } } {1 2 3} do_test vtab6-11.1.2 { execsql { SELECT a, b, c FROM bc NATURAL JOIN ab; } } {1 2 3} set ::echo_module_cost 1.0 do_test vtab6-11.1.3 { execsql { SELECT a, b, c FROM ab NATURAL JOIN bc; } } {1 2 3} do_test vtab6-11.1.4 { execsql { SELECT a, b, c FROM bc NATURAL JOIN ab; } } {1 2 3} do_test vtab6-11.2.0 { execsql { CREATE INDEX ab_i ON ab_r(b); CREATE INDEX bc_i ON bc_r(b); } } {} unset ::echo_module_cost do_test vtab6-11.2.1 { execsql { SELECT a, b, c FROM ab NATURAL JOIN bc; } } {1 2 3} do_test vtab6-11.2.2 { execsql { SELECT a, b, c FROM bc NATURAL JOIN ab; } } {1 2 3} set ::echo_module_cost 1.0 do_test vtab6-11.2.3 { execsql { SELECT a, b, c FROM ab NATURAL JOIN bc; } } {1 2 3} do_test vtab6-11.2.4 { execsql { SELECT a, b, c FROM bc NATURAL JOIN ab; } } {1 2 3} unset ::echo_module_cost db close sqlite3 db test.db register_echo_module [sqlite3_connection_pointer db] do_test vtab6-11.3.1 { execsql { SELECT a, b, c FROM ab NATURAL JOIN bc; } } {1 2 3} do_test vtab6-11.3.2 { execsql { SELECT a, b, c FROM bc NATURAL JOIN ab; } } {1 2 3} set ::echo_module_cost 1.0 do_test vtab6-11.3.3 { execsql { SELECT a, b, c FROM ab NATURAL JOIN bc; } } {1 2 3} do_test vtab6-11.3.4 { execsql { SELECT a, b, c FROM bc NATURAL JOIN ab; } } {1 2 3} unset ::echo_module_cost set ::echo_module_ignore_usable 1 db cache flush do_test vtab6-11.4.1 { catchsql { SELECT a, b, c FROM ab NATURAL JOIN bc; } } {1 {table bc: xBestIndex returned an invalid plan}} do_test vtab6-11.4.2 { catchsql { SELECT a, b, c FROM bc NATURAL JOIN ab; } } {1 {table ab: xBestIndex returned an invalid plan}} unset ::echo_module_ignore_usable finish_test