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Annotation of embedaddon/sqlite3/test/join5.test, revision 1.1.1.1

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