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Annotation of embedaddon/sqlite3/test/join5.test, revision 1.1

1.1     ! misho       1: # 2005 September 19
        !             2: #
        !             3: # The author disclaims copyright to this source code.  In place of
        !             4: # 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.
        !            12: #
        !            13: # This file implements tests for left outer joins containing ON
        !            14: # clauses that restrict the scope of the left term of the join.
        !            15: #
        !            16: # $Id: join5.test,v 1.2 2007/06/08 00:20:48 drh Exp $
        !            17: 
        !            18: set testdir [file dirname $argv0]
        !            19: source $testdir/tester.tcl
        !            20: 
        !            21: 
        !            22: do_test join5-1.1 {
        !            23:   execsql {
        !            24:     BEGIN;
        !            25:     CREATE TABLE t1(a integer primary key, b integer, c integer);
        !            26:     CREATE TABLE t2(x integer primary key, y);
        !            27:     CREATE TABLE t3(p integer primary key, q);
        !            28:     INSERT INTO t3 VALUES(11,'t3-11');
        !            29:     INSERT INTO t3 VALUES(12,'t3-12');
        !            30:     INSERT INTO t2 VALUES(11,'t2-11');
        !            31:     INSERT INTO t2 VALUES(12,'t2-12');
        !            32:     INSERT INTO t1 VALUES(1, 5, 0);
        !            33:     INSERT INTO t1 VALUES(2, 11, 2);
        !            34:     INSERT INTO t1 VALUES(3, 12, 1);
        !            35:     COMMIT;
        !            36:   }
        !            37: } {}
        !            38: do_test join5-1.2 {
        !            39:   execsql {
        !            40:     select * from t1 left join t2 on t1.b=t2.x and t1.c=1
        !            41:   }
        !            42: } {1 5 0 {} {} 2 11 2 {} {} 3 12 1 12 t2-12}
        !            43: do_test join5-1.3 {
        !            44:   execsql {
        !            45:     select * from t1 left join t2 on t1.b=t2.x where t1.c=1
        !            46:   }
        !            47: } {3 12 1 12 t2-12}
        !            48: do_test join5-1.4 {
        !            49:   execsql {
        !            50:     select * from t1 left join t2 on t1.b=t2.x and t1.c=1
        !            51:                      left join t3 on t1.b=t3.p and t1.c=2
        !            52:   }
        !            53: } {1 5 0 {} {} {} {} 2 11 2 {} {} 11 t3-11 3 12 1 12 t2-12 {} {}}
        !            54: do_test join5-1.5 {
        !            55:   execsql {
        !            56:     select * from t1 left join t2 on t1.b=t2.x and t1.c=1
        !            57:                      left join t3 on t1.b=t3.p where t1.c=2
        !            58:   }
        !            59: } {2 11 2 {} {} 11 t3-11}
        !            60: 
        !            61: # Ticket #2403
        !            62: #
        !            63: do_test join5-2.1 {
        !            64:   execsql {
        !            65:     CREATE TABLE ab(a,b);
        !            66:     INSERT INTO "ab" VALUES(1,2);
        !            67:     INSERT INTO "ab" VALUES(3,NULL);
        !            68: 
        !            69:     CREATE TABLE xy(x,y);
        !            70:     INSERT INTO "xy" VALUES(2,3);
        !            71:     INSERT INTO "xy" VALUES(NULL,1);
        !            72:   }
        !            73:   execsql {SELECT * FROM xy LEFT JOIN ab ON 0}
        !            74: } {2 3 {} {} {} 1 {} {}}
        !            75: do_test join5-2.2 {
        !            76:   execsql {SELECT * FROM xy LEFT JOIN ab ON 1}
        !            77: } {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}}
        !            78: do_test join5-2.3 {
        !            79:   execsql {SELECT * FROM xy LEFT JOIN ab ON NULL}
        !            80: } {2 3 {} {} {} 1 {} {}}
        !            81: do_test join5-2.4 {
        !            82:   execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 0}
        !            83: } {}
        !            84: do_test join5-2.5 {
        !            85:   execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 0}
        !            86: } {}
        !            87: do_test join5-2.6 {
        !            88:   execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 0}
        !            89: } {}
        !            90: do_test join5-2.7 {
        !            91:   execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 1}
        !            92: } {2 3 {} {} {} 1 {} {}}
        !            93: do_test join5-2.8 {
        !            94:   execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 1}
        !            95: } {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}}
        !            96: do_test join5-2.9 {
        !            97:   execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 1}
        !            98: } {2 3 {} {} {} 1 {} {}}
        !            99: do_test join5-2.10 {
        !           100:   execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE NULL}
        !           101: } {}
        !           102: do_test join5-2.11 {
        !           103:   execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE NULL}
        !           104: } {}
        !           105: do_test join5-2.12 {
        !           106:   execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE NULL}
        !           107: } {}
        !           108: 
        !           109: 
        !           110: finish_test