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sqlite3

    1: # 2002 May 24
    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 joins, including outer joins.
   14: #
   15: # $Id: join2.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
   16: 
   17: set testdir [file dirname $argv0]
   18: source $testdir/tester.tcl
   19: 
   20: do_test join2-1.1 {
   21:   execsql {
   22:     CREATE TABLE t1(a,b);
   23:     INSERT INTO t1 VALUES(1,11);
   24:     INSERT INTO t1 VALUES(2,22);
   25:     INSERT INTO t1 VALUES(3,33);
   26:     SELECT * FROM t1;
   27:   }  
   28: } {1 11 2 22 3 33}
   29: do_test join2-1.2 {
   30:   execsql {
   31:     CREATE TABLE t2(b,c);
   32:     INSERT INTO t2 VALUES(11,111);
   33:     INSERT INTO t2 VALUES(33,333);
   34:     INSERT INTO t2 VALUES(44,444);
   35:     SELECT * FROM t2;
   36:   }  
   37: } {11 111 33 333 44 444};
   38: do_test join2-1.3 {
   39:   execsql {
   40:     CREATE TABLE t3(c,d);
   41:     INSERT INTO t3 VALUES(111,1111);
   42:     INSERT INTO t3 VALUES(444,4444);
   43:     INSERT INTO t3 VALUES(555,5555);
   44:     SELECT * FROM t3;
   45:   }  
   46: } {111 1111 444 4444 555 5555}
   47: 
   48: do_test join2-1.4 {
   49:   execsql {
   50:     SELECT * FROM
   51:       t1 NATURAL JOIN t2 NATURAL JOIN t3
   52:   }
   53: } {1 11 111 1111}
   54: do_test join2-1.5 {
   55:   execsql {
   56:     SELECT * FROM
   57:       t1 NATURAL JOIN t2 NATURAL LEFT OUTER JOIN t3
   58:   }
   59: } {1 11 111 1111 3 33 333 {}}
   60: do_test join2-1.6 {
   61:   execsql {
   62:     SELECT * FROM
   63:       t1 NATURAL LEFT OUTER JOIN t2 NATURAL JOIN t3
   64:   }
   65: } {1 11 111 1111}
   66: ifcapable subquery {
   67:   do_test join2-1.7 {
   68:     execsql {
   69:       SELECT * FROM
   70:         t1 NATURAL LEFT OUTER JOIN (t2 NATURAL JOIN t3)
   71:     }
   72:   } {1 11 111 1111 2 22 {} {} 3 33 {} {}}
   73: }
   74: 
   75: finish_test