# 2014-04-25 # # 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. The # focus of this file is testing ORDER BY optimizations on joins # that involve virtual tables. # set testdir [file dirname $argv0] source $testdir/tester.tcl set ::testprefix orderby7 ifcapable !fts3 { finish_test return } do_execsql_test 1.0 { CREATE VIRTUAL TABLE fts USING fts3(content TEXT); INSERT INTO fts(rowid,content) VALUES(1,'this is a test of the fts3 virtual'), (2,'table used as part of a join together'), (3,'with the DISTINCT keyword. There was'), (4,'a bug at one time (2013-06 through 2014-04)'), (5,'that prevented this from working correctly.'), (11,'a row that occurs twice'), (12,'a row that occurs twice'); CREATE TABLE t1(x TEXT PRIMARY KEY, y); INSERT OR IGNORE INTO t1 SELECT content, rowid+100 FROM fts; } {} do_execsql_test 1.1 { SELECT DISTINCT fts.rowid, t1.y FROM fts, t1 WHERE fts MATCH 'that twice' AND content=x ORDER BY y; } {11 111 12 111} do_execsql_test 1.2 { SELECT DISTINCT fts.rowid, t1.x FROM fts, t1 WHERE fts MATCH 'that twice' AND content=x ORDER BY 1; } {11 {a row that occurs twice} 12 {a row that occurs twice}} do_execsql_test 1.3 { SELECT DISTINCT t1.x FROM fts, t1 WHERE fts MATCH 'that twice' AND content=x ORDER BY 1; } {{a row that occurs twice}} do_execsql_test 1.4 { SELECT t1.x FROM fts, t1 WHERE fts MATCH 'that twice' AND content=x ORDER BY 1; } {{a row that occurs twice} {a row that occurs twice}} do_execsql_test 1.5 { SELECT DISTINCT t1.x FROM fts, t1 WHERE fts MATCH 'that twice' AND content=x; } {{a row that occurs twice}} do_execsql_test 1.6 { SELECT t1.x FROM fts, t1 WHERE fts MATCH 'that twice' AND content=x; } {{a row that occurs twice} {a row that occurs twice}} do_execsql_test 2.1 { SELECT DISTINCT t1.x FROM fts, t1 WHERE fts.rowid=11 AND content=x ORDER BY fts.rowid; } {{a row that occurs twice}} do_execsql_test 2.2 { SELECT DISTINCT t1.* FROM fts, t1 WHERE fts.rowid=11 AND content=x ORDER BY fts.rowid; } {{a row that occurs twice} 111} do_execsql_test 2.3 { SELECT DISTINCT t1.* FROM fts, t1 WHERE fts.rowid=11 AND content=x ORDER BY t1.y } {{a row that occurs twice} 111} finish_test