# include/rowid_order.inc # # Test for rowid ordering (and comparison) functions. # do index_merge select for tables with PK of various types. # # The variable # $engine_type -- storage engine to be tested # has to be set before sourcing this script. # # Note: The comments/expections refer to InnoDB. # They might be not valid for other storage engines. # # Last update: # 2006-08-02 ML test refactored # old name was t/rowid_order.test # main code went into include/rowid_order.inc # eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; --disable_warnings drop table if exists t1, t2, t3,t4; --enable_warnings # Signed number as rowid create table t1 ( pk1 int not NULL, key1 int(11), key2 int(11), PRIMARY KEY (pk1), KEY key1 (key1), KEY key2 (key2) ); insert into t1 values (-5, 1, 1), (-100, 1, 1), (3, 1, 1), (0, 1, 1), (10, 1, 1); explain select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3; select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3; drop table t1; # Unsigned numbers as rowids create table t1 ( pk1 int unsigned not NULL, key1 int(11), key2 int(11), PRIMARY KEY (pk1), KEY key1 (key1), KEY key2 (key2) ); insert into t1 values (0, 1, 1), (0xFFFFFFFF, 1, 1), (0xFFFFFFFE, 1, 1), (1, 1, 1), (2, 1, 1); select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3; drop table t1; # Case-insensitive char(N) create table t1 ( pk1 char(4) not NULL, key1 int(11), key2 int(11), PRIMARY KEY (pk1), KEY key1 (key1), KEY key2 (key2) ) collate latin2_general_ci; insert into t1 values ('a1', 1, 1), ('b2', 1, 1), ('A3', 1, 1), ('B4', 1, 1); select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3; drop table t1; # Multi-part PK create table t1 ( pk1 int not NULL, pk2 char(4) not NULL collate latin1_german1_ci, pk3 char(4) not NULL collate latin1_bin, key1 int(11), key2 int(11), PRIMARY KEY (pk1,pk2,pk3), KEY key1 (key1), KEY key2 (key2) ); insert into t1 values (1, 'u', 'u', 1, 1), (1, 'u', char(0xEC), 1, 1), (1, 'u', 'x', 1, 1); insert ignore into t1 select pk1, char(0xEC), pk3, key1, key2 from t1; insert ignore into t1 select pk1, 'x', pk3, key1, key2 from t1 where pk2='u'; insert ignore into t1 select 2, pk2, pk3, key1, key2 from t1; select * from t1; select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3; # Hidden PK alter table t1 drop primary key; select * from t1; select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3; drop table t1; # Variable-length PK # this is also test for Bug#2688 create table t1 ( pk1 varchar(8) NOT NULL default '', pk2 varchar(4) NOT NULL default '', key1 int(11), key2 int(11), primary key(pk1, pk2), KEY key1 (key1), KEY key2 (key2) ); insert into t1 values ('','empt',2,2), ('a','a--a',2,2), ('bb','b--b',2,2), ('ccc','c--c',2,2), ('dddd','d--d',2,2); select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3; drop table t1;