AryaWu/sqlite

1# 2013-06-142#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 that the optimizations that disable13# ORDER BY clauses work correctly14#15 16 17set testdir [file dirname $argv0]18source $testdir/tester.tcl19set ::testprefix orderby520 21# Generate test data for a join.  Verify that the join gets the22# correct answer.23#24do_execsql_test 1.1 {25  CREATE TABLE t1(a,b,c);26  CREATE INDEX t1bc ON t1(b,c);27 28  EXPLAIN QUERY PLAN29  SELECT DISTINCT a, b, c FROM t1 WHERE a=0;30} {~/B-TREE/}31do_execsql_test 1.2.1 {32  EXPLAIN QUERY PLAN33  SELECT DISTINCT a, c, b FROM t1 WHERE a=0;34} {~/B-TREE/}35do_execsql_test 1.2.2 {36  EXPLAIN QUERY PLAN37  SELECT DISTINCT a, c, b FROM t1 WHERE a='xyz' COLLATE nocase;38} {/B-TREE/}39do_execsql_test 1.2.3 {40  EXPLAIN QUERY PLAN41  SELECT DISTINCT a COLLATE nocase, c, b FROM t1 WHERE a='xyz';42} {/B-TREE/}43do_execsql_test 1.2.4 {44  EXPLAIN QUERY PLAN45  SELECT DISTINCT a COLLATE nocase, c, b FROM t1 WHERE a='xyz' COLLATE nocase;46} {~/B-TREE/}47do_execsql_test 1.3 {48  EXPLAIN QUERY PLAN49  SELECT DISTINCT b, a, c FROM t1 WHERE a=0;50} {~/B-TREE/}51do_execsql_test 1.4 {52  EXPLAIN QUERY PLAN53  SELECT DISTINCT b, c, a FROM t1 WHERE a=0;54} {~/B-TREE/}55do_execsql_test 1.5 {56  EXPLAIN QUERY PLAN57  SELECT DISTINCT c, a, b FROM t1 WHERE a=0;58} {~/B-TREE/}59do_execsql_test 1.6 {60  EXPLAIN QUERY PLAN61  SELECT DISTINCT c, b, a FROM t1 WHERE a=0;62} {~/B-TREE/}63do_execsql_test 1.7 {64  EXPLAIN QUERY PLAN65  SELECT DISTINCT c, b, a FROM t1 WHERE +a=0;66} {/B-TREE/}67 68# In some cases, it is faster to do repeated index lookups than it is to69# sort.  But in other cases, it is faster to sort than to do repeated index70# lookups.71#72do_execsql_test 2.1a {73  CREATE TABLE t2(a,b,c);74  CREATE INDEX t2bc ON t2(b,c);75  ANALYZE;76  INSERT INTO sqlite_stat1 VALUES('t1','t1bc','1000000 10 9');77  INSERT INTO sqlite_stat1 VALUES('t2','t2bc','100 10 5');78  ANALYZE sqlite_master;79 80  EXPLAIN QUERY PLAN81  SELECT * FROM t2 WHERE a=0 ORDER BY a, b, c;82} {~/B-TREE/}83 84do_execsql_test 2.1b {85  EXPLAIN QUERY PLAN86  SELECT * FROM t1 WHERE likelihood(a=0, 0.03) ORDER BY a, b, c;87} {/B-TREE/}88 89do_execsql_test 2.2 {90  EXPLAIN QUERY PLAN91  SELECT * FROM t1 WHERE +a=0 ORDER BY a, b, c;92} {/B-TREE/}93do_execsql_test 2.3 {94  EXPLAIN QUERY PLAN95  SELECT * FROM t1 WHERE a=0 ORDER BY b, a, c;96} {~/B-TREE/}97do_execsql_test 2.4 {98  EXPLAIN QUERY PLAN99  SELECT * FROM t1 WHERE a=0 ORDER BY b, c, a;100} {~/B-TREE/}101do_execsql_test 2.5 {102  EXPLAIN QUERY PLAN103  SELECT * FROM t1 WHERE a=0 ORDER BY a, c, b;104} {/B-TREE/}105do_execsql_test 2.6 {106  EXPLAIN QUERY PLAN107  SELECT * FROM t1 WHERE a=0 ORDER BY c, a, b;108} {/B-TREE/}109do_execsql_test 2.7 {110  EXPLAIN QUERY PLAN111  SELECT * FROM t1 WHERE a=0 ORDER BY c, b, a;112} {/B-TREE/}113 114 115do_execsql_test 3.0 {116  CREATE TABLE t3(a INTEGER PRIMARY KEY, b, c, d, e, f);117  CREATE INDEX t3bcde ON t3(b, c, d, e);118  EXPLAIN QUERY PLAN119  SELECT a FROM t3 WHERE b=2 AND c=3 ORDER BY d DESC, e DESC, b, c, a DESC;120} {~/B-TREE/}121do_execsql_test 3.1 {122  DROP TABLE t3;123  CREATE TABLE t3(a INTEGER PRIMARY KEY, b, c, d, e, f) WITHOUT rowid;124  CREATE INDEX t3bcde ON t3(b, c, d, e);125  EXPLAIN QUERY PLAN126  SELECT a FROM t3 WHERE b=2 AND c=3 ORDER BY d DESC, e DESC, b, c, a DESC;127} {~/B-TREE/}128 129#-------------------------------------------------------------------------130do_execsql_test 4.1.0 {131  CREATE TABLE t4(b COLLATE nocase);132  INSERT INTO t4 VALUES('abc');133  INSERT INTO t4 VALUES('ABC');134  INSERT INTO t4 VALUES('aBC');135}136do_execsql_test 4.1.1 {137  SELECT * FROM t4 ORDER BY b COLLATE binary138} {ABC aBC abc}139do_execsql_test 4.1.2 {140  SELECT * FROM t4 WHERE b='abc' ORDER BY b COLLATE binary141} {ABC aBC abc}142 143do_execsql_test 4.2.1 {144  CREATE TABLE Records(typeID INTEGER, key TEXT COLLATE nocase, value TEXT);145  CREATE INDEX RecordsIndex ON Records(typeID, key, value);146}147do_execsql_test 4.2.2 {148  explain query plan149  SELECT typeID, key, value FROM Records 150  WHERE typeID = 2 AND key = 'x' 151  ORDER BY key, value;152} {~/TEMP B-TREE/}153do_execsql_test 4.2.3 {154  explain query plan155  SELECT typeID, key, value FROM Records 156  WHERE typeID = 2 AND (key = 'x' COLLATE binary)157  ORDER BY key, value;158} {~/TEMP B-TREE/}159do_execsql_test 4.2.4 {160  explain query plan161  SELECT typeID, key, value FROM Records 162  WHERE typeID = 2 163  ORDER BY key, value;164} {~/TEMP B-TREE/}165 166db collate hello [list string match]167do_execsql_test 4.3.1 {168  CREATE TABLE t5(a INTEGER PRIMARY KEY, b COLLATE hello, c, d);169}170db close171sqlite3 db test.db172do_catchsql_test 4.3.2 {173  SELECT a FROM t5 WHERE b='def' ORDER BY b;174} {1 {no such collation sequence: hello}}175 176# 2020-02-13 ticket 41c1456a6e61c0e7177do_execsql_test 4.4.0 {178  DROP TABLE t1;179  CREATE TABLE t1(a);180  DROP TABLE t2;181  CREATE TABLE t2(b INTEGER PRIMARY KEY, c INT);182  SELECT DISTINCT *183    FROM t1 LEFT JOIN t2 ON b=c AND b=(SELECT a FROM t1)184   WHERE c>10;185} {}186 187finish_test188