SET GLOBAL innodb_ft_enable_diag_print = 1;
# Test Case 1: Test English with Default(latin1) Charset
SET DEBUG="+d,fts_instrument_ignore_ngram_check";
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200)
) ENGINE=InnoDB;
ALTER TABLE articles ADD FULLTEXT INDEX (title) WITH PARSER ngram;
Warnings:
Warning	124	InnoDB rebuilding table to add column FTS_DOC_ID
INSERT INTO articles (title) VALUES
('what is M'),
('Myname is wonder'),
('My SQL is good'),
('MySQL database'),
('Mind a good thing'),
('Mind good idea');
SELECT * FROM articles WHERE
MATCH(title) AGAINST('m*' IN BOOLEAN MODE);
id	title
2	Myname is wonder
3	My SQL is good
4	MySQL database
5	Mind a good thing
6	Mind good idea
SELECT * FROM articles WHERE
MATCH(title) AGAINST('my*' IN BOOLEAN MODE);
id	title
2	Myname is wonder
3	My SQL is good
4	MySQL database
SELECT * FROM articles WHERE
MATCH(title) AGAINST('+mind -mysql' IN BOOLEAN MODE);
id	title
5	Mind a good thing
6	Mind good idea
SELECT * FROM articles WHERE
MATCH(title) AGAINST('+(mind thing) -idea' IN BOOLEAN MODE);
id	title
5	Mind a good thing
SELECT * FROM articles WHERE
MATCH(title) AGAINST('mysql');
id	title
4	MySQL database
3	My SQL is good
2	Myname is wonder
SELECT * FROM articles WHERE
MATCH(title) AGAINST('mysql' IN BOOLEAN MODE);
id	title
4	MySQL database
SELECT * FROM articles WHERE
MATCH(title) AGAINST('"mysql"' IN BOOLEAN MODE);
id	title
4	MySQL database
SELECT * FROM articles WHERE
MATCH(title) AGAINST('"my sql"' IN BOOLEAN MODE);
id	title
3	My SQL is good
SET DEBUG="-d,fts_instrument_ignore_ngram_check";
DROP TABLE articles;
SET NAMES utf8;
# Test Case 2: Test Stopwords
SET DEBUG="+d,fts_instrument_ignore_ngram_check";
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
body TEXT
) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
CREATE FULLTEXT INDEX ft_index ON articles(title, body) WITH PARSER ngram;
Warnings:
Warning	124	InnoDB rebuilding table to add column FTS_DOC_ID
INSERT INTO articles (title, body) VALUES
('从简单购物清单到画展','或企业网络中的海量数据'),
('要想将数据添加到数据库','访问、处理计算机数据库中保存的数据'),
('从简单的购物清单到画展','或企业网络中的海量数据'),
('要想将数据添加到数据库','或访问、处理计算机数据库中保存的数据'),
('数据库是数据的结构化集合','它可以是任何东西');
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('的* 或* 东西' IN BOOLEAN MODE);
id	title	body
5	数据库是数据的结构化集合	它可以是任何东西
1	从简单购物清单到画展	或企业网络中的海量数据
3	从简单的购物清单到画展	或企业网络中的海量数据
4	要想将数据添加到数据库	或访问、处理计算机数据库中保存的数据
2	要想将数据添加到数据库	访问、处理计算机数据库中保存的数据
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('简单的' IN BOOLEAN MODE);
id	title	body
3	从简单的购物清单到画展	或企业网络中的海量数据
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('或访问' IN BOOLEAN MODE);
id	title	body
4	要想将数据添加到数据库	或访问、处理计算机数据库中保存的数据
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('"数据的结构化"' IN BOOLEAN MODE);
id	title	body
5	数据库是数据的结构化集合	它可以是任何东西
SET DEBUG="-d,fts_instrument_ignore_ngram_check";
DROP TABLE articles;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
body TEXT
) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
CREATE TABLE user_stopword(value varchar(30)) ENGINE = InnoDB
DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
INSERT INTO user_stopword VALUES('的'),('或'),('东西'),('ab');
SET GLOBAL innodb_ft_server_stopword_table = 'test/user_stopword';
INSERT INTO articles (title, body) VALUES
('从简单购物清单到画展','或企业网络中的海量数据'),
('要想将数据添加到数据库','访问、处理计算机数据库中保存的数据');
CREATE FULLTEXT INDEX ft_index ON articles(title, body) WITH PARSER ngram;
Warnings:
Warning	124	InnoDB rebuilding table to add column FTS_DOC_ID
INSERT INTO articles (title, body) VALUES
('从简单的购物清单到画展','或企业网络中的海量数据'),
('要想将数据添加到数据库','或访问、处理计算机数据库中保存的数据'),
('要想将数据添加到数据库','或访问、处理计算机数据库中保存的数据 abc xyz'),
('数据库是数据的结构化集合','它可以是任何东西');
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('的* 或* 东西' IN BOOLEAN MODE);
id	title	body
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('简单的' IN BOOLEAN MODE);
id	title	body
3	从简单的购物清单到画展	或企业网络中的海量数据
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('或访问' IN BOOLEAN MODE);
id	title	body
2	要想将数据添加到数据库	访问、处理计算机数据库中保存的数据
4	要想将数据添加到数据库	或访问、处理计算机数据库中保存的数据
5	要想将数据添加到数据库	或访问、处理计算机数据库中保存的数据 abc xyz
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('"数据的结构化"' IN BOOLEAN MODE);
id	title	body
6	数据库是数据的结构化集合	它可以是任何东西
SELECT * FROM user_stopword WHERE value like 'ab' ;
value
ab
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('"ab"' );
id	title	body
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('数据 +ab' IN BOOLEAN MODE);
id	title	body
SELECT * FROM articles WHERE
MATCH(title, body) AGAINST('数据 (+xyz -bc)' IN BOOLEAN MODE);
id	title	body
2	要想将数据添加到数据库	访问、处理计算机数据库中保存的数据
4	要想将数据添加到数据库	或访问、处理计算机数据库中保存的数据
5	要想将数据添加到数据库	或访问、处理计算机数据库中保存的数据 abc xyz
6	数据库是数据的结构化集合	它可以是任何东西
1	从简单购物清单到画展	或企业网络中的海量数据
3	从简单的购物清单到画展	或企业网络中的海量数据
DROP TABLE user_stopword;
DROP TABLE articles;
SET GLOBAL innodb_ft_server_stopword_table=default;
# Test Case 3: Check with FTS debug points
CREATE TABLE articles (
seq INT AUTO_INCREMENT NOT NULL PRIMARY KEY,
c1 VARCHAR(200) CHARACTER SET big5 COLLATE big5_chinese_ci,
c2 CHAR(200) CHARACTER SET gbk COLLATE gbk_chinese_ci,
c3 CHAR(200) CHARACTER SET utf8,
j1 TEXT CHARACTER SET ujis COLLATE ujis_japanese_ci,
j2 VARCHAR(200) CHARACTER SET sjis COLLATE sjis_japanese_ci,
j3 VARCHAR(200) CHARACTER SET ujis,
k1 CHAR(200) CHARACTER SET euckr COLLATE euckr_korean_ci,
k2 CHAR(200) CHARACTER SET utf8,
e1 CHAR(200) CHARACTER SET latin1,
FULLTEXT KEY `con1` (c1),
FULLTEXT KEY `con2` (j1,j3),
FULLTEXT KEY `con3` (k2) WITH PARSER ngram
) ENGINE=InnoDB ;
SET DEBUG='+d,alter_table_rollback_new_index';
ALTER TABLE articles ADD FULLTEXT INDEX (c2(64));
ERROR HY000: Unknown error
ALTER TABLE articles ADD FULLTEXT INDEX (j1,j3);
ERROR HY000: Unknown error
ALTER TABLE articles ADD FULLTEXT INDEX (k1);
ERROR HY000: Unknown error
ALTER TABLE articles ADD FULLTEXT INDEX (e1);
ERROR HY000: Unknown error
SET DEBUG='-d,alter_table_rollback_new_index';
SET DEBUG="+d,ib_dict_create_index_tree_fail";
ALTER TABLE articles ADD FULLTEXT INDEX (c2(64));
ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space
ALTER TABLE articles ADD FULLTEXT INDEX (j1,j3);
ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space
ALTER TABLE articles ADD FULLTEXT INDEX (k1);
ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space
ALTER TABLE articles ADD FULLTEXT INDEX (e1);
ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space
SET DEBUG="-d,ib_dict_create_index_tree_fail";
ALTER TABLE articles ADD FULLTEXT INDEX (e1), ADD FULLTEXT INDEX (k1);
ERROR HY000: InnoDB presently supports one FULLTEXT index creation at a time
DROP TABLE articles;
SET GLOBAL innodb_ft_enable_diag_print = default;