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 68
