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Annotation of embedaddon/sqlite3/test/tkt3346.test, revision 1.1.1.1

1.1       misho       1: # 2008 September 1
                      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: # This file implements regression tests for SQLite library.  The
                     13: # focus of this file is testing the fix for ticket #3346
                     14: #
                     15: # $Id: tkt3346.test,v 1.3 2008/12/09 13:12:57 drh Exp $
                     16: 
                     17: set testdir [file dirname $argv0]
                     18: source $testdir/tester.tcl
                     19: 
                     20: do_test tkt3346-1.1 {
                     21:   db eval {
                     22:    CREATE TABLE t1(a,b);
                     23:    INSERT INTO t1 VALUES(2,'bob');
                     24:    INSERT INTO t1 VALUES(1,'alice');
                     25:    INSERT INTO t1 VALUES(3,'claire');
                     26:    SELECT *, ( SELECT y FROM (SELECT x.b='alice' AS y) )
                     27:      FROM ( SELECT * FROM t1 ) AS x;
                     28:   }
                     29: } {2 bob 0 1 alice 1 3 claire 0}
                     30: do_test tkt3346-1.2 {
                     31:   db eval {
                     32:     SELECT b FROM (SELECT * FROM t1) AS x
                     33:      WHERE (SELECT y FROM (SELECT x.b='alice' AS y))=0
                     34:   }
                     35: } {bob claire}
                     36: do_test tkt3346-1.3 {
                     37:   db eval {
                     38:     SELECT b FROM (SELECT * FROM t1 ORDER BY a) AS x
                     39:      WHERE (SELECT y FROM (SELECT a||b y FROM t1 WHERE t1.b=x.b))=(x.a||x.b)
                     40:   }
                     41: } {alice bob claire}
                     42: do_test tkt3346-1.4 {
                     43:   db eval {
                     44:     SELECT b FROM (SELECT * FROM t1 ORDER BY a) AS x
                     45:      WHERE (SELECT y FROM (SELECT a||b y FROM t1 WHERE t1.b=x.b))=('2'||x.b)
                     46:   }
                     47: } {bob}
                     48: 
                     49: # Ticket #3530
                     50: #
                     51: # As shown by ticket #3346 above (see also ticket #3298) it is important
                     52: # that a subquery in the result-set be able to look up through multiple
                     53: # FROM levels in order to view tables in the FROM clause at the top level.
                     54: #
                     55: # But ticket #3530 shows us that a subquery in the FROM clause should not
                     56: # be able to look up to higher levels:
                     57: #
                     58: do_test tkt3346-2.1 {
                     59:   catchsql {
                     60:     CREATE TABLE t2(a);
                     61:     INSERT INTO t2 VALUES(1);
                     62:     
                     63:     SELECT * FROM (SELECT * FROM t1 WHERE 1=x.a) AS x;
                     64:   }
                     65: } {1 {no such column: x.a}}
                     66: 
                     67: finish_test