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SET GLOBAL INNODB_OPTIMIZE_FULLTEXT_ONLY=1;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
content TEXT
) ENGINE= InnoDB;
CREATE FULLTEXT INDEX idx ON articles (title, content);
Warnings:
Warning 124 InnoDB rebuilding table to add column FTS_DOC_ID
INSERT INTO articles (title, content) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...'),
('How To Use MySQL Well','After you went through a ...'),
('Optimizing MySQL','In this tutorial we will show ...'),
('1001 MySQL Tricks','How to use full-text search engine'),
('Go MySQL Tricks','How to use full text search engine');
SET GLOBAL innodb_ft_aux_table="test/articles";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 6 6 1 6 0
after 4 4 1 4 22
database 3 3 1 3 37
dbms 3 3 1 3 15
engine 6 7 2 6 46
engine 6 7 2 7 44
full 6 7 2 6 29
full 6 7 2 7 27
mysql 3 7 5 3 0
mysql 3 7 5 3 31
mysql 3 7 5 4 11
mysql 3 7 5 5 11
mysql 3 7 5 6 5
mysql 3 7 5 7 3
optimizing 5 5 1 5 0
search 6 7 2 6 39
search 6 7 2 7 37
show 5 5 1 5 42
stands 3 3 1 3 20
text 6 7 2 6 34
text 6 7 2 7 32
through 4 4 1 4 37
tricks 6 7 2 6 11
tricks 6 7 2 7 9
tutorial 3 5 2 3 6
tutorial 3 5 2 5 25
use 4 7 3 4 7
use 4 7 3 6 25
use 4 7 3 7 23
well 4 4 1 4 17
went 4 4 1 4 32
you 4 4 1 4 28
OPTIMIZE TABLE articles;
Table Op Msg_type Msg_text
test.articles optimize status OK
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 6 6 1 6 0
after 4 4 1 4 22
database 3 3 1 3 37
dbms 3 3 1 3 15
engine 6 7 2 6 46
engine 6 7 2 7 44
full 6 7 2 6 29
full 6 7 2 7 27
mysql 3 7 5 3 0
mysql 3 7 5 3 31
mysql 3 7 5 4 11
mysql 3 7 5 5 11
mysql 3 7 5 6 5
mysql 3 7 5 7 3
optimizing 5 5 1 5 0
search 6 7 2 6 39
search 6 7 2 7 37
show 5 5 1 5 42
stands 3 3 1 3 20
text 6 7 2 6 34
text 6 7 2 7 32
through 4 4 1 4 37
tricks 6 7 2 6 11
tricks 6 7 2 7 9
tutorial 3 5 2 3 6
tutorial 3 5 2 5 25
use 4 7 3 4 7
use 4 7 3 6 25
use 4 7 3 7 23
well 4 4 1 4 17
went 4 4 1 4 32
you 4 4 1 4 28
SET SESSION debug="+d,fts_instrument_result_cache_limit";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 6 6 1 6 0
after 4 4 1 4 22
database 3 3 1 3 37
dbms 3 3 1 3 15
engine 6 7 2 6 46
engine 6 7 2 7 44
full 6 7 2 6 29
full 6 7 2 7 27
mysql 3 7 5 3 0
mysql 3 7 5 3 31
mysql 3 7 5 4 11
mysql 3 7 5 5 11
mysql 3 7 5 6 5
mysql 3 7 5 7 3
optimizing 5 5 1 5 0
search 6 7 2 6 39
search 6 7 2 7 37
show 5 5 1 5 42
stands 3 3 1 3 20
text 6 7 2 6 34
text 6 7 2 7 32
through 4 4 1 4 37
tricks 6 7 2 6 11
tricks 6 7 2 7 9
tutorial 3 5 2 3 6
tutorial 3 5 2 5 25
use 4 7 3 4 7
use 4 7 3 6 25
use 4 7 3 7 23
well 4 4 1 4 17
went 4 4 1 4 32
you 4 4 1 4 28
SET SESSION debug="-d,fts_instrument_result_cache_limit";
DROP TABLE articles;
SET GLOBAL innodb_ft_result_cache_limit=default;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
content TEXT
) ENGINE= InnoDB;
CREATE FULLTEXT INDEX idx_t ON articles (title);
Warnings:
Warning 124 InnoDB rebuilding table to add column FTS_DOC_ID
CREATE FULLTEXT INDEX idx_c ON articles (content);
INSERT INTO articles (title, content) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...'),
('How To Use MySQL Well','After you went through a ...'),
('Optimizing MySQL','In this tutorial we will show ...'),
('1001 MySQL Tricks','How to use full-text search engine'),
('Go MySQL Tricks','How to use full text search engine');
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 6 6 1 6 0
mysql 3 7 5 3 0
mysql 3 7 5 4 11
mysql 3 7 5 5 11
mysql 3 7 5 6 5
mysql 3 7 5 7 3
optimizing 5 5 1 5 0
tricks 6 7 2 6 11
tricks 6 7 2 7 9
tutorial 3 3 1 3 6
use 4 4 1 4 7
well 4 4 1 4 17
after 4 4 1 4 0
database 3 3 1 3 22
dbms 3 3 1 3 0
engine 6 7 2 6 28
engine 6 7 2 7 28
full 6 7 2 6 11
full 6 7 2 7 11
mysql 3 3 1 3 16
search 6 7 2 6 21
search 6 7 2 7 21
show 5 5 1 5 25
stands 3 3 1 3 5
text 6 7 2 6 16
text 6 7 2 7 16
through 4 4 1 4 15
tutorial 5 5 1 5 8
use 6 7 2 6 7
use 6 7 2 7 7
went 4 4 1 4 10
you 4 4 1 4 6
SET GLOBAL innodb_ft_aux_table="test/articles";
OPTIMIZE TABLE articles;
Table Op Msg_type Msg_text
test.articles optimize status OK
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 6 6 1 6 0
mysql 3 7 5 3 0
mysql 3 7 5 4 11
mysql 3 7 5 5 11
mysql 3 7 5 6 5
mysql 3 7 5 7 3
optimizing 5 5 1 5 0
tricks 6 7 2 6 11
tricks 6 7 2 7 9
tutorial 3 3 1 3 6
use 4 4 1 4 7
well 4 4 1 4 17
after 4 4 1 4 0
database 3 3 1 3 22
dbms 3 3 1 3 0
engine 6 7 2 6 28
engine 6 7 2 7 28
full 6 7 2 6 11
full 6 7 2 7 11
mysql 3 3 1 3 16
search 6 7 2 6 21
search 6 7 2 7 21
show 5 5 1 5 25
stands 3 3 1 3 5
text 6 7 2 6 16
text 6 7 2 7 16
through 4 4 1 4 15
tutorial 5 5 1 5 8
use 6 7 2 6 7
use 6 7 2 7 7
went 4 4 1 4 10
you 4 4 1 4 6
DROP TABLE articles;
SET NAMES utf8;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200)
) ENGINE=InnoDB DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
CREATE FULLTEXT INDEX idx ON articles (title);
Warnings:
Warning 124 InnoDB rebuilding table to add column FTS_DOC_ID
INSERT INTO articles (title) VALUES
('相亲相爱'),('怜香惜爱'),('充满可爱'),('爱恨交织');
SET GLOBAL innodb_ft_aux_table="test/articles";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
充满可爱 5 5 1 5 0
怜香惜爱 4 4 1 4 0
爱恨交织 6 6 1 6 0
相亲相爱 3 3 1 3 0
OPTIMIZE TABLE articles;
Table Op Msg_type Msg_text
test.articles optimize status OK
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
充满可爱 5 5 1 5 0
怜香惜爱 4 4 1 4 0
爱恨交织 6 6 1 6 0
相亲相爱 3 3 1 3 0
DROP TABLE articles;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200)
) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
CREATE FULLTEXT INDEX idx ON articles (title);
Warnings:
Warning 124 InnoDB rebuilding table to add column FTS_DOC_ID
INSERT INTO articles (title) VALUES
('相亲相爱'),('怜香惜爱'),('充满可爱'),('爱恨交织');
SET GLOBAL innodb_ft_aux_table="test/articles";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
爱恨交织 6 6 1 6 0
充满可爱 5 5 1 5 0
怜香惜爱 4 4 1 4 0
相亲相爱 3 3 1 3 0
OPTIMIZE TABLE articles;
Table Op Msg_type Msg_text
test.articles optimize status OK
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
怜香惜爱 4 4 1 4 0
充满可爱 5 5 1 5 0
相亲相爱 3 3 1 3 0
爱恨交织 6 6 1 6 0
DROP TABLE articles;
SET GLOBAL innodb_ft_aux_table=default;
SET GLOBAL INNODB_OPTIMIZE_FULLTEXT_ONLY=default;