145 lines
5.2 KiB
Plaintext
145 lines
5.2 KiB
Plaintext
SET NAMES utf8mb4;
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CREATE TABLE t1 (
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id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
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title VARCHAR(200),
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content TEXT,
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FULLTEXT INDEX ft_content (content)
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) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
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INSERT INTO t1 (title, content) VALUES ('中国', '中国'), ('中国上海', '中国上海');
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ALTER TABLE t1 ADD FULLTEXT INDEX ft_title (title);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
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`title` varchar(200) DEFAULT NULL,
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`content` text,
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PRIMARY KEY (`id`),
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FULLTEXT KEY `ft_content` (`content`),
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FULLTEXT KEY `ft_title` (`title`)
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) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=gb2312
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SELECT * FROM t1 WHERE MATCH(title) AGAINST('中国') ORDER BY id;
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id title content
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SELECT * FROM t1 WHERE MATCH(title) AGAINST('中国上海') ORDER BY id;
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id title content
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2 中国上海 中国上海
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SELECT * FROM t1 WHERE MATCH(content) AGAINST('中国') ORDER BY id;
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id title content
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SELECT * FROM t1 WHERE MATCH(content) AGAINST('中国上海') ORDER BY id;
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id title content
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2 中国上海 中国上海
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DROP TABLE t1;
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CREATE TABLE t1 (
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id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
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title VARCHAR(200),
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content TEXT,
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FULLTEXT INDEX ft_content (content) WITH PARSER ngram
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) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
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INSERT INTO t1 (title, content) VALUES ('中国', '中国'), ('中国上海', '中国上海');
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ALTER TABLE t1 ADD FULLTEXT INDEX ft_title (title) WITH PARSER ngram;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
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`title` varchar(200) DEFAULT NULL,
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`content` text,
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PRIMARY KEY (`id`),
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FULLTEXT KEY `ft_content` (`content`) /*!50100 WITH PARSER `ngram` */ ,
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FULLTEXT KEY `ft_title` (`title`) /*!50100 WITH PARSER `ngram` */
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) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=gb2312
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SELECT * FROM t1 WHERE MATCH(title) AGAINST('中国') ORDER BY id;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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SELECT * FROM t1 WHERE MATCH(title) AGAINST('中国上海') ORDER BY id;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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SELECT * FROM t1 WHERE MATCH(content) AGAINST('中国') ORDER BY id;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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SELECT * FROM t1 WHERE MATCH(content) AGAINST('中国上海') ORDER BY id;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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CREATE TABLE t2 (
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id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
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title VARCHAR(200),
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content TEXT,
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FULLTEXT INDEX ft_content (content) WITH PARSER ngram
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) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
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ALTER TABLE t2 ADD FULLTEXT INDEX ft_title (title) WITH PARSER ngram;
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# restart: --ngram=OFF
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check Error Plugin 'ngram' is not loaded
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test.t1 check error Corrupt
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SELECT * FROM t1;
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ERROR HY000: Plugin 'ngram' is not loaded
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SELECT * FROM t1 WHERE MATCH(title) AGAINST('中国');
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ERROR HY000: Plugin 'ngram' is not loaded
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SELECT * FROM t1 WHERE MATCH(title) AGAINST('中国上海');
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ERROR HY000: Plugin 'ngram' is not loaded
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SELECT * FROM t1 WHERE MATCH(content) AGAINST('中国');
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ERROR HY000: Plugin 'ngram' is not loaded
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SELECT * FROM t1 WHERE MATCH(content) AGAINST('中国上海');
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ERROR HY000: Plugin 'ngram' is not loaded
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INSERT INTO t1 (title, content) VALUES ('中国', '中国');
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ERROR HY000: Plugin 'ngram' is not loaded
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DROP INDEX ft_title ON t1;
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ERROR HY000: Plugin 'ngram' is not loaded
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DROP INDEX ft_content ON t1;
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ERROR HY000: Plugin 'ngram' is not loaded
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TRUNCATE TABLE t1;
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ERROR HY000: Plugin 'ngram' is not loaded
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ALTER TABLE t1 RENAME TO t3;
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ERROR HY000: Plugin 'ngram' is not loaded
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RENAME TABLE t2 to t3;
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DROP TABLE t3;
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CREATE TABLE t2 (
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id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
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title VARCHAR(200),
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FULLTEXT INDEX ft_title (title) WITH PARSER ngram
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) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
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ERROR HY000: Function 'ngram' is not defined
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CREATE TABLE t2 (
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id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
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title VARCHAR(200)
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) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
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ALTER TABLE t2 ADD FULLTEXT INDEX ft_title (title) WITH PARSER ngram;
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ERROR HY000: Function 'ngram' is not defined
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ALTER TABLE t2 ADD FULLTEXT INDEX ft_title (title);
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Warnings:
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Warning 124 InnoDB rebuilding table to add column FTS_DOC_ID
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INSERT INTO t2 (title) VALUES ('中国');
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SELECT * FROM t2 WHERE MATCH(title) AGAINST('中国') ORDER BY id;
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id title
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SELECT * FROM t2 WHERE MATCH(title) AGAINST('中国上海') ORDER BY id;
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id title
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DROP TABLE t2;
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# restart
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT * FROM t1;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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SELECT * FROM t1 WHERE MATCH(title) AGAINST('中国') ORDER BY id;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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SELECT * FROM t1 WHERE MATCH(title) AGAINST('中国上海') ORDER BY id;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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SELECT * FROM t1 WHERE MATCH(content) AGAINST('中国') ORDER BY id;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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SELECT * FROM t1 WHERE MATCH(content) AGAINST('中国上海') ORDER BY id;
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id title content
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1 中国 中国
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2 中国上海 中国上海
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DROP TABLE t1;
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