1 # 2011 April 9 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 # This file implements regression tests for SQLite library. 12 # 13 14 set testdir [file dirname $argv0] 15 source $testdir/tester.tcl 16 17 set testprefix unordered 18 19 do_execsql_test 1.0 { 20 CREATE TABLE t1(a, b); 21 CREATE INDEX i1 ON t1(a); 22 INSERT INTO t1 VALUES(1, 'xxx'); 23 INSERT INTO t1 SELECT a+1, b FROM t1; 24 INSERT INTO t1 SELECT a+2, b FROM t1; 25 INSERT INTO t1 SELECT a+4, b FROM t1; 26 INSERT INTO t1 SELECT a+8, b FROM t1; 27 INSERT INTO t1 SELECT a+16, b FROM t1; 28 INSERT INTO t1 SELECT a+32, b FROM t1; 29 INSERT INTO t1 SELECT a+64, b FROM t1; 30 ANALYZE; 31 } {} 32 33 foreach idxmode {ordered unordered} { 34 if {$idxmode == "unordered"} { 35 execsql { UPDATE sqlite_stat1 SET stat = stat || ' unordered' } 36 db close 37 sqlite3 db test.db 38 } 39 foreach {tn sql r(ordered) r(unordered)} { 40 1 "SELECT * FROM t1 ORDER BY a" 41 {0 0 0 {SCAN TABLE t1 USING INDEX i1 (~128 rows)}} 42 {0 0 0 {SCAN TABLE t1 (~128 rows)} 0 0 0 {USE TEMP B-TREE FOR ORDER BY}} 43 2 "SELECT * FROM t1 WHERE a >?" 44 {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?) (~32 rows)}} 45 {0 0 0 {SCAN TABLE t1 (~42 rows)}} 46 3 "SELECT * FROM t1 WHERE a = ? ORDER BY rowid" 47 {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?) (~1 rows)}} 48 {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?) (~1 rows)} 49 0 0 0 {USE TEMP B-TREE FOR ORDER BY}} 50 4 "SELECT max(a) FROM t1" 51 {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (~1 rows)}} 52 {0 0 0 {SEARCH TABLE t1 (~1 rows)}} 53 5 "SELECT group_concat(b) FROM t1 GROUP BY a" 54 {0 0 0 {SCAN TABLE t1 USING INDEX i1 (~128 rows)}} 55 {0 0 0 {SCAN TABLE t1 (~128 rows)} 0 0 0 {USE TEMP B-TREE FOR GROUP BY}} 56 57 6 "SELECT * FROM t1 WHERE a = ?" 58 {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?) (~1 rows)}} 59 {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?) (~1 rows)}} 60 } { 61 do_eqp_test 1.$idxmode.$tn $sql $r($idxmode) 62 } 63 } 64 65 finish_test 66
