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    1: # 2009 June 11
    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: #
   12: # Tests to verify ticket #3911 is fixed.
   13: #
   14: # $Id: tkt3911.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
   15: 
   16: set testdir [file dirname $argv0]
   17: source $testdir/tester.tcl
   18: 
   19: do_test tkt3911.1 {
   20:   execsql {
   21:     CREATE TABLE t1(a,b);
   22:     INSERT INTO t1 VALUES(1,2);
   23:     INSERT INTO t1 VALUES(11,12);
   24: 
   25:     CREATE TABLE t2(b,c);
   26:     INSERT INTO t2 VALUES(2,3);
   27:     INSERT INTO t2 VALUES(22,23);
   28: 
   29:     SELECT * FROM t1 JOIN t2 USING(b);
   30:   }
   31: } {1 2 3}
   32: do_test tkt3911.2 {
   33:   db eval {
   34:     SELECT * FROM t1 JOIN (t2) AS x USING (b);
   35:   }
   36: } {1 2 3}
   37: do_test tkt3911.3 {
   38:   db eval {
   39:     SELECT * FROM t1 JOIN (SELECT * FROM t2) AS x USING (b);
   40:   }
   41: } {1 2 3}
   42: 
   43: do_test tkt3911.4 {
   44:   db eval {
   45:     CREATE TABLE t3(m,a);
   46:     INSERT INTO t3 VALUES('one',1);
   47:     INSERT INTO t3 VALUES('two',2);
   48: 
   49:     SELECT * FROM t3 JOIN (SELECT * FROM t1 NATURAL JOIN t2) AS x USING(a);
   50:   }
   51: } {one 1 2 3}
   52: do_test tkt3911.5 {
   53:   db eval {
   54:     SELECT * FROM t3 JOIN (SELECT * FROM t1 JOIN t2 USING (b)) AS x USING(a);
   55:   }
   56: } {one 1 2 3}
   57: 
   58: finish_test