AryaWu/sqlite

1# 2014-04-252#3# The author disclaims copyright to this source code.  In place of4# 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# This file implements regression tests for SQLite library.  The12# focus of this file is testing ORDER BY optimizations on joins13# that involve virtual tables.14#15 16 17set testdir [file dirname $argv0]18source $testdir/tester.tcl19set ::testprefix orderby720 21ifcapable !fts3 {22  finish_test23  return24}25 26do_execsql_test 1.0 {27  CREATE VIRTUAL TABLE fts USING fts3(content TEXT);28  INSERT INTO fts(rowid,content)29     VALUES(1,'this is a test of the fts3 virtual'),30           (2,'table used as part of a join together'),31           (3,'with the DISTINCT keyword.  There was'),32           (4,'a bug at one time (2013-06 through 2014-04)'),33           (5,'that prevented this from working correctly.'),34           (11,'a row that occurs twice'),35           (12,'a row that occurs twice');36 37  CREATE TABLE t1(x TEXT PRIMARY KEY, y);38  INSERT OR IGNORE INTO t1 SELECT content, rowid+100 FROM fts;39} {}40do_execsql_test 1.1 {41  SELECT DISTINCT fts.rowid, t1.y42    FROM fts, t143   WHERE fts MATCH 'that twice'44     AND content=x45   ORDER BY y;46} {11 111 12 111}47do_execsql_test 1.2 {48  SELECT DISTINCT fts.rowid, t1.x49    FROM fts, t150   WHERE fts MATCH 'that twice'51     AND content=x52   ORDER BY 1;53} {11 {a row that occurs twice} 12 {a row that occurs twice}}54do_execsql_test 1.3 {55  SELECT DISTINCT t1.x56    FROM fts, t157   WHERE fts MATCH 'that twice'58     AND content=x59   ORDER BY 1;60} {{a row that occurs twice}}61do_execsql_test 1.4 {62  SELECT t1.x63    FROM fts, t164   WHERE fts MATCH 'that twice'65     AND content=x66   ORDER BY 1;67} {{a row that occurs twice} {a row that occurs twice}}68do_execsql_test 1.5 {69  SELECT DISTINCT t1.x70    FROM fts, t171   WHERE fts MATCH 'that twice'72     AND content=x;73} {{a row that occurs twice}}74do_execsql_test 1.6 {75  SELECT t1.x76    FROM fts, t177   WHERE fts MATCH 'that twice'78     AND content=x;79} {{a row that occurs twice} {a row that occurs twice}}80 81do_execsql_test 2.1 {82  SELECT DISTINCT t1.x83    FROM fts, t184   WHERE fts.rowid=1185     AND content=x86   ORDER BY fts.rowid;87} {{a row that occurs twice}}88do_execsql_test 2.2 {89  SELECT DISTINCT t1.*90    FROM fts, t191   WHERE fts.rowid=1192     AND content=x93   ORDER BY fts.rowid;94} {{a row that occurs twice} 111}95do_execsql_test 2.3 {96  SELECT DISTINCT t1.*97    FROM fts, t198   WHERE fts.rowid=1199     AND content=x100   ORDER BY t1.y101} {{a row that occurs twice} 111}102 103 104 105 106finish_test107