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