68 lines
1.9 KiB
Plaintext
68 lines
1.9 KiB
Plaintext
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# 2008 September 1
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the fix for ticket #3346
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#
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# $Id: tkt3346.test,v 1.3 2008/12/09 13:12:57 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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do_test tkt3346-1.1 {
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db eval {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(2,'bob');
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INSERT INTO t1 VALUES(1,'alice');
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INSERT INTO t1 VALUES(3,'claire');
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SELECT *, ( SELECT y FROM (SELECT x.b='alice' AS y) )
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FROM ( SELECT * FROM t1 ) AS x;
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}
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} {2 bob 0 1 alice 1 3 claire 0}
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do_test tkt3346-1.2 {
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db eval {
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SELECT b FROM (SELECT * FROM t1) AS x
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WHERE (SELECT y FROM (SELECT x.b='alice' AS y))=0
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}
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} {bob claire}
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do_test tkt3346-1.3 {
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db eval {
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SELECT b FROM (SELECT * FROM t1 ORDER BY a) AS x
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WHERE (SELECT y FROM (SELECT a||b y FROM t1 WHERE t1.b=x.b))=(x.a||x.b)
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}
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} {alice bob claire}
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do_test tkt3346-1.4 {
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db eval {
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SELECT b FROM (SELECT * FROM t1 ORDER BY a) AS x
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WHERE (SELECT y FROM (SELECT a||b y FROM t1 WHERE t1.b=x.b))=('2'||x.b)
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}
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} {bob}
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# Ticket #3530
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#
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# As shown by ticket #3346 above (see also ticket #3298) it is important
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# that a subquery in the result-set be able to look up through multiple
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# FROM levels in order to view tables in the FROM clause at the top level.
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#
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# But ticket #3530 shows us that a subquery in the FROM clause should not
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# be able to look up to higher levels:
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#
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do_test tkt3346-2.1 {
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catchsql {
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CREATE TABLE t2(a);
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INSERT INTO t2 VALUES(1);
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SELECT * FROM (SELECT * FROM t1 WHERE 1=x.a) AS x;
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}
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} {1 {no such column: x.a}}
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finish_test
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