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Overview
Comment:Add file tkt-3a77c9714e.test, containing tests to verify that the problem documented by ticket [3a77c9714e] has been fixed.
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SHA1: 162421dadf93e9201c3290d800c597cbeeacdb40
User & Date: dan 2011-12-06 13:46:54.313
Context
2011-12-07
01:55
Cherrypick the [7e5b56b1c6] fix for the sqlite3SelectDup() routine into trunk. (check-in: 7fc535090c user: drh tags: trunk)
2011-12-06
19:44
Begin adding the data-structure explaining subsystem. All is contained within (check-in: 79ae51c5b1 user: drh tags: tree-explain)
13:46
Add file tkt-3a77c9714e.test, containing tests to verify that the problem documented by ticket [3a77c9714e] has been fixed. (check-in: 162421dadf user: dan tags: trunk)
13:24
Do not reuse temp registers originally allocated to a subroutine within the main body of the program logic, since if the subroutine is called while the reused temp registers are in use, their values will get clobbered. Candidate fix for ticket [3a77c9714e63330] (check-in: 092d53315e user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Added test/tkt-3a77c9714e.test. 










































































































































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# 2011 December 06
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests to verify that ticket [3a77c9714e] has been
# fixed.  

set testdir [file dirname $argv0]
source $testdir/tester.tcl

set testprefix "tkt-3a77c9714e"

do_execsql_test 1.1 {
  CREATE TABLE t1(t1_id INTEGER PRIMARY KEY, t1_title TEXT);
  CREATE TABLE t2(t2_id INTEGER PRIMARY KEY, t2_title TEXT);
  CREATE TABLE t3(t3_id INTEGER PRIMARY KEY, t3_title TEXT);

  INSERT INTO t1 (t1_id, t1_title) VALUES (888, 'ABCDEF');
  INSERT INTO t2 (t2_id, t2_title) VALUES (999, 'ABCDEF');
  INSERT INTO t3 (t3_id, t3_title) VALUES (999, 'ABCDEF');
}

do_execsql_test 1.2 {
  SELECT t1_title, t2_title
  FROM t1 LEFT JOIN t2
  WHERE
    t2_id = (SELECT t3_id FROM
     ( SELECT t3_id FROM t3 WHERE t3_title=t1_title LIMIT 500 )
  )
} {ABCDEF ABCDEF}

do_execsql_test 2.1 {
  CREATE TABLE [Beginnings] (
    [Id] INTEGER PRIMARY KEY AUTOINCREMENT,[Title] TEXT, [EndingId] INTEGER
  );
  CREATE TABLE [Endings] (Id INT,Title TEXT,EndingId INT);
  INSERT INTO Beginnings (Id, Title, EndingId) VALUES (1, 'FACTOR', 18);
  INSERT INTO Beginnings (Id, Title, EndingId) VALUES (2, 'SWIMM', 18);
  INSERT INTO Endings (Id, Title, EndingId) VALUES (1, 'ING', 18);
}

do_execsql_test 2.2 {
  SELECT
    SrcWord, Beginnings.Title
    FROM 
      (SELECT 'FACTORING' AS SrcWord UNION SELECT 'SWIMMING' AS SrcWord )
    LEFT JOIN 
      Beginnings
    WHERE Beginnings.Id= (
      SELECT BeginningId FROM (
        SELECT SrcWord, B.Id as BeginningId, B.Title || E.Title As Connected
        FROM Beginnings B LEFT JOIN Endings E ON B.EndingId=E.EndingId
        WHERE Connected=SrcWord LIMIT 1
      )
    )
} {FACTORING FACTOR SWIMMING SWIMM} 


finish_test