| Index: third_party/sqlite/test/join.test
|
| ===================================================================
|
| --- third_party/sqlite/test/join.test (revision 56608)
|
| +++ third_party/sqlite/test/join.test (working copy)
|
| @@ -1,579 +0,0 @@
|
| -# 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.
|
| -#
|
| -# $Id: join.test,v 1.27 2009/07/01 16:12:08 danielk1977 Exp $
|
| -
|
| -set testdir [file dirname $argv0]
|
| -source $testdir/tester.tcl
|
| -
|
| -do_test join-1.1 {
|
| - execsql {
|
| - CREATE TABLE t1(a,b,c);
|
| - 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 join-1.2 {
|
| - execsql {
|
| - CREATE TABLE t2(b,c,d);
|
| - 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 join-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 join-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 join-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 join-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 join-1.3.4 {
|
| - execsql {
|
| - SELECT b FROM t1 NATURAL JOIN t2;
|
| - }
|
| -} {2 3}
|
| -
|
| -# ticket #3522
|
| -do_test join-1.3.5 {
|
| - execsql2 {
|
| - SELECT t2.* FROM t2 NATURAL JOIN t1
|
| - }
|
| -} {b 2 c 3 d 4 b 3 c 4 d 5}
|
| -do_test join-1.3.6 {
|
| - execsql2 {
|
| - SELECT xyzzy.* FROM t2 AS xyzzy NATURAL JOIN t1
|
| - }
|
| -} {b 2 c 3 d 4 b 3 c 4 d 5}
|
| -do_test join-1.3.7 {
|
| - execsql2 {
|
| - SELECT t1.* FROM t2 NATURAL JOIN t1
|
| - }
|
| -} {a 1 b 2 c 3 a 2 b 3 c 4}
|
| -do_test join-1.3.8 {
|
| - execsql2 {
|
| - SELECT xyzzy.* FROM t2 NATURAL JOIN t1 AS xyzzy
|
| - }
|
| -} {a 1 b 2 c 3 a 2 b 3 c 4}
|
| -do_test join-1.3.9 {
|
| - execsql2 {
|
| - SELECT aaa.*, bbb.* FROM t2 AS aaa NATURAL JOIN t1 AS bbb
|
| - }
|
| -} {b 2 c 3 d 4 a 1 b 2 c 3 b 3 c 4 d 5 a 2 b 3 c 4}
|
| -do_test join-1.3.10 {
|
| - execsql2 {
|
| - SELECT t1.*, t2.* FROM t2 NATURAL JOIN t1
|
| - }
|
| -} {a 1 b 2 c 3 b 2 c 3 d 4 a 2 b 3 c 4 b 3 c 4 d 5}
|
| -
|
| -
|
| -do_test join-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 join-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 join-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 join-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 join-1.4.5 {
|
| - execsql {
|
| - SELECT b FROM t1 JOIN t2 USING(b);
|
| - }
|
| -} {2 3}
|
| -
|
| -# Ticket #3522
|
| -do_test join-1.4.6 {
|
| - execsql2 {
|
| - SELECT t1.* FROM t1 JOIN t2 USING(b);
|
| - }
|
| -} {a 1 b 2 c 3 a 2 b 3 c 4}
|
| -do_test join-1.4.7 {
|
| - execsql2 {
|
| - SELECT t2.* FROM t1 JOIN t2 USING(b);
|
| - }
|
| -} {b 2 c 3 d 4 b 3 c 4 d 5}
|
| -
|
| -do_test join-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 join-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 join-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 join-1.8 {
|
| - execsql {
|
| - SELECT * FROM t1 NATURAL CROSS JOIN t2;
|
| - }
|
| -} {1 2 3 4 2 3 4 5}
|
| -do_test join-1.9 {
|
| - execsql {
|
| - SELECT * FROM t1 CROSS JOIN t2 USING(b,c);
|
| - }
|
| -} {1 2 3 4 2 3 4 5}
|
| -do_test join-1.10 {
|
| - execsql {
|
| - SELECT * FROM t1 NATURAL INNER JOIN t2;
|
| - }
|
| -} {1 2 3 4 2 3 4 5}
|
| -do_test join-1.11 {
|
| - execsql {
|
| - SELECT * FROM t1 INNER JOIN t2 USING(b,c);
|
| - }
|
| -} {1 2 3 4 2 3 4 5}
|
| -do_test join-1.12 {
|
| - execsql {
|
| - SELECT * FROM t1 natural inner join t2;
|
| - }
|
| -} {1 2 3 4 2 3 4 5}
|
| -
|
| -ifcapable subquery {
|
| - do_test join-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 join-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 join-1.15 {
|
| - execsql {
|
| - CREATE TABLE t3(c,d,e);
|
| - 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 join-1.16 {
|
| - execsql {
|
| - SELECT * FROM t1 natural join t2 natural join t3;
|
| - }
|
| -} {1 2 3 4 5 2 3 4 5 6}
|
| -do_test join-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 join-1.18 {
|
| - execsql {
|
| - CREATE TABLE t4(d,e,f);
|
| - 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 join-1.19.1 {
|
| - execsql {
|
| - SELECT * FROM t1 natural join t2 natural join t4;
|
| - }
|
| -} {1 2 3 4 5 6}
|
| -do_test join-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 join-1.20 {
|
| - execsql {
|
| - SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1
|
| - }
|
| -} {1 2 3 4 5}
|
| -
|
| -do_test join-2.1 {
|
| - execsql {
|
| - SELECT * FROM t1 NATURAL LEFT JOIN t2;
|
| - }
|
| -} {1 2 3 4 2 3 4 5 3 4 5 {}}
|
| -
|
| -# ticket #3522
|
| -do_test join-2.1.1 {
|
| - execsql2 {
|
| - SELECT * FROM t1 NATURAL LEFT JOIN t2;
|
| - }
|
| -} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5 a 3 b 4 c 5 d {}}
|
| -do_test join-2.1.2 {
|
| - execsql2 {
|
| - SELECT t1.* FROM t1 NATURAL LEFT JOIN t2;
|
| - }
|
| -} {a 1 b 2 c 3 a 2 b 3 c 4 a 3 b 4 c 5}
|
| -do_test join-2.1.3 {
|
| - execsql2 {
|
| - SELECT t2.* FROM t1 NATURAL LEFT JOIN t2;
|
| - }
|
| -} {b 2 c 3 d 4 b 3 c 4 d 5 b {} c {} d {}}
|
| -
|
| -do_test join-2.2 {
|
| - execsql {
|
| - SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1;
|
| - }
|
| -} {1 2 3 {} 2 3 4 1 3 4 5 2}
|
| -do_test join-2.3 {
|
| - catchsql {
|
| - SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2;
|
| - }
|
| -} {1 {RIGHT and FULL OUTER JOINs are not currently supported}}
|
| -do_test join-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 join-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 join-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 join-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 join-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 join-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 join-3.4.1 {
|
| - catchsql {
|
| - SELECT * FROM t1 JOIN t2 USING(a);
|
| - }
|
| -} {1 {cannot join using column a - column not present in both tables}}
|
| -do_test join-3.4.2 {
|
| - catchsql {
|
| - SELECT * FROM t1 JOIN t2 USING(d);
|
| - }
|
| -} {1 {cannot join using column d - column not present in both tables}}
|
| -do_test join-3.5 {
|
| - catchsql { SELECT * FROM t1 USING(a) }
|
| -} {1 {a JOIN clause is required before USING}}
|
| -do_test join-3.6 {
|
| - catchsql {
|
| - SELECT * FROM t1 JOIN t2 ON t3.a=t2.b;
|
| - }
|
| -} {1 {no such column: t3.a}}
|
| -do_test join-3.7 {
|
| - catchsql {
|
| - SELECT * FROM t1 INNER OUTER JOIN t2;
|
| - }
|
| -} {1 {unknown or unsupported join type: INNER OUTER}}
|
| -do_test join-3.8 {
|
| - catchsql {
|
| - SELECT * FROM t1 INNER OUTER CROSS JOIN t2;
|
| - }
|
| -} {1 {unknown or unsupported join type: INNER OUTER CROSS}}
|
| -do_test join-3.9 {
|
| - catchsql {
|
| - SELECT * FROM t1 OUTER NATURAL INNER JOIN t2;
|
| - }
|
| -} {1 {unknown or unsupported join type: OUTER NATURAL INNER}}
|
| -do_test join-3.10 {
|
| - catchsql {
|
| - SELECT * FROM t1 LEFT BOGUS JOIN t2;
|
| - }
|
| -} {1 {unknown or unsupported join type: LEFT BOGUS}}
|
| -do_test join-3.11 {
|
| - catchsql {
|
| - SELECT * FROM t1 INNER BOGUS CROSS JOIN t2;
|
| - }
|
| -} {1 {unknown or unsupported join type: INNER BOGUS CROSS}}
|
| -do_test join-3.12 {
|
| - catchsql {
|
| - SELECT * FROM t1 NATURAL AWK SED JOIN t2;
|
| - }
|
| -} {1 {unknown or unsupported join type: NATURAL AWK SED}}
|
| -
|
| -do_test join-4.1 {
|
| - execsql {
|
| - BEGIN;
|
| - CREATE TABLE t5(a INTEGER PRIMARY KEY);
|
| - CREATE TABLE t6(a INTEGER);
|
| - 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 join-4.2 {
|
| - execsql {
|
| - SELECT * FROM t6, t5 WHERE t6.a<t5.a;
|
| - }
|
| -} {}
|
| -do_test join-4.3 {
|
| - execsql {
|
| - SELECT * FROM t6, t5 WHERE t6.a>t5.a;
|
| - }
|
| -} {}
|
| -do_test join-4.4 {
|
| - execsql {
|
| - UPDATE t6 SET a='xyz';
|
| - SELECT * FROM t6 NATURAL JOIN t5;
|
| - }
|
| -} {}
|
| -do_test join-4.6 {
|
| - execsql {
|
| - SELECT * FROM t6, t5 WHERE t6.a<t5.a;
|
| - }
|
| -} {}
|
| -do_test join-4.7 {
|
| - execsql {
|
| - SELECT * FROM t6, t5 WHERE t6.a>t5.a;
|
| - }
|
| -} {}
|
| -do_test join-4.8 {
|
| - execsql {
|
| - UPDATE t6 SET a=1;
|
| - SELECT * FROM t6 NATURAL JOIN t5;
|
| - }
|
| -} {}
|
| -do_test join-4.9 {
|
| - execsql {
|
| - SELECT * FROM t6, t5 WHERE t6.a<t5.a;
|
| - }
|
| -} {}
|
| -do_test join-4.10 {
|
| - execsql {
|
| - SELECT * FROM t6, t5 WHERE t6.a>t5.a;
|
| - }
|
| -} {}
|
| -
|
| -do_test join-5.1 {
|
| - execsql {
|
| - BEGIN;
|
| - create table centros (id integer primary key, centro);
|
| - INSERT INTO centros VALUES(1,'xxx');
|
| - create table usuarios (id integer primary key, nombre, apellidos,
|
| - idcentro integer);
|
| - INSERT INTO usuarios VALUES(1,'a','aa',1);
|
| - INSERT INTO usuarios VALUES(2,'b','bb',1);
|
| - INSERT INTO usuarios VALUES(3,'c','cc',NULL);
|
| - create index idcentro on usuarios (idcentro);
|
| - END;
|
| - select usuarios.id, usuarios.nombre, centros.centro from
|
| - usuarios left outer join centros on usuarios.idcentro = centros.id;
|
| - }
|
| -} {1 a xxx 2 b xxx 3 c {}}
|
| -
|
| -# A test for ticket #247.
|
| -#
|
| -do_test join-7.1 {
|
| - execsql {
|
| - CREATE TABLE t7 (x, y);
|
| - 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);
|
| -
|
| - CREATE TABLE t8 (a integer primary key, b);
|
| - 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 join-8.1 {
|
| - execsql {
|
| - BEGIN;
|
| - CREATE TABLE t9(a INTEGER PRIMARY KEY, b);
|
| - INSERT INTO t9 VALUES(1,11);
|
| - INSERT INTO t9 VALUES(2,22);
|
| - CREATE TABLE t10(x INTEGER PRIMARY KEY, y);
|
| - INSERT INTO t10 VALUES(1,2);
|
| - INSERT INTO t10 VALUES(3,3);
|
| - CREATE TABLE t11(p INTEGER PRIMARY KEY, q);
|
| - 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 join-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 join-8.3 {
|
| - execsql {
|
| - SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x );
|
| - }
|
| -} {1 111 1 11 3 333 {} {}}
|
| -ifcapable subquery {
|
| - # Constant expressions in a subquery that is the right element of a
|
| - # LEFT JOIN evaluate to NULL for rows where the LEFT JOIN does not
|
| - # match. Ticket #3300
|
| - do_test join-8.4 {
|
| - execsql {
|
| - SELECT * FROM t9 LEFT JOIN (SELECT 44, p, q FROM t11) AS sub1 ON p=a
|
| - }
|
| - } {1 11 {} {} {} 2 22 44 2 111}
|
| -}
|
| -} ;# 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 join-9.1 {
|
| - execsql {
|
| - BEGIN;
|
| - CREATE TABLE t12(a,b);
|
| - INSERT INTO t12 VALUES(1,11);
|
| - INSERT INTO t12 VALUES(2,22);
|
| - CREATE TABLE t13(b,c);
|
| - INSERT INTO t13 VALUES(22,222);
|
| - COMMIT;
|
| - }
|
| -} {}
|
| -
|
| -ifcapable subquery {
|
| - do_test join-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 join-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 {
|
| - # Ticket #1697: Left Join WHERE clause terms that contain an
|
| - # aggregate subquery.
|
| - #
|
| - do_test join-10.1 {
|
| - execsql {
|
| - CREATE TABLE t21(a,b,c);
|
| - CREATE TABLE t22(p,q);
|
| - CREATE INDEX i22 ON 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);
|
| - }
|
| - } {}
|
| -
|
| - # Test a LEFT JOIN when the right-hand side of hte join is an empty
|
| - # sub-query. Seems fine.
|
| - #
|
| - do_test join-10.2 {
|
| - execsql {
|
| - CREATE TABLE t23(a, b, c);
|
| - CREATE TABLE t24(a, b, c);
|
| - INSERT INTO t23 VALUES(1, 2, 3);
|
| - }
|
| - execsql {
|
| - SELECT * FROM t23 LEFT JOIN t24;
|
| - }
|
| - } {1 2 3 {} {} {}}
|
| - do_test join-10.3 {
|
| - execsql {
|
| - SELECT * FROM t23 LEFT JOIN (SELECT * FROM t24);
|
| - }
|
| - } {1 2 3 {} {} {}}
|
| -
|
| -} ;# ifcapable subquery
|
| -
|
| -finish_test
|
|
|