122 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			SQL
		
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			SQL
		
	
	
	
| # 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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| 
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| eval SET SESSION STORAGE_ENGINE = $engine_type;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| drop table t1;
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