| # 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. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| set testprefix join2 |
| |
| do_test join2-1.1 { |
| execsql { |
| CREATE TABLE t1(a,b); |
| INSERT INTO t1 VALUES(1,11); |
| INSERT INTO t1 VALUES(2,22); |
| INSERT INTO t1 VALUES(3,33); |
| SELECT * FROM t1; |
| } |
| } {1 11 2 22 3 33} |
| do_test join2-1.2 { |
| execsql { |
| CREATE TABLE t2(b,c); |
| INSERT INTO t2 VALUES(11,111); |
| INSERT INTO t2 VALUES(33,333); |
| INSERT INTO t2 VALUES(44,444); |
| SELECT * FROM t2; |
| } |
| } {11 111 33 333 44 444}; |
| do_test join2-1.3 { |
| execsql { |
| CREATE TABLE t3(c,d); |
| INSERT INTO t3 VALUES(111,1111); |
| INSERT INTO t3 VALUES(444,4444); |
| INSERT INTO t3 VALUES(555,5555); |
| SELECT * FROM t3; |
| } |
| } {111 1111 444 4444 555 5555} |
| |
| do_test join2-1.4 { |
| execsql { |
| SELECT * FROM |
| t1 NATURAL JOIN t2 NATURAL JOIN t3 |
| } |
| } {1 11 111 1111} |
| do_test join2-1.5 { |
| execsql { |
| SELECT * FROM |
| t1 NATURAL JOIN t2 NATURAL LEFT OUTER JOIN t3 |
| } |
| } {1 11 111 1111 3 33 333 {}} |
| do_test join2-1.6 { |
| execsql { |
| SELECT * FROM |
| t1 NATURAL LEFT OUTER JOIN t2 NATURAL JOIN t3 |
| } |
| } {1 11 111 1111} |
| ifcapable subquery { |
| do_test join2-1.7 { |
| execsql { |
| SELECT * FROM |
| t1 NATURAL LEFT OUTER JOIN (t2 NATURAL JOIN t3) |
| } |
| } {1 11 111 1111 2 22 {} {} 3 33 {} {}} |
| } |
| |
| #------------------------------------------------------------------------- |
| # Check that ticket [25e335f802ddc] has been resolved. It should be an |
| # error for the ON clause of a LEFT JOIN to refer to a table to its right. |
| # |
| do_execsql_test 2.0 { |
| CREATE TABLE aa(a); |
| CREATE TABLE bb(b); |
| CREATE TABLE cc(c); |
| INSERT INTO aa VALUES('one'); |
| INSERT INTO bb VALUES('one'); |
| INSERT INTO cc VALUES('one'); |
| } |
| |
| do_catchsql_test 2.1 { |
| SELECT * FROM aa LEFT JOIN cc ON (a=b) JOIN bb ON (b=c); |
| } {1 {ON clause references tables to its right}} |
| do_catchsql_test 2.2 { |
| SELECT * FROM aa JOIN cc ON (a=b) JOIN bb ON (b=c); |
| } {0 {one one one}} |
| |
| finish_test |