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DROP TABLE IF EXISTS articles;
DROP TABLE IF EXISTS comments;
CREATE TABLE comments (
comment int unsigned PRIMARY KEY,
content text NOT NULL
);
CREATE TABLE articles (
content text NOT NULL,
comment int unsigned
);
ALTER TABLE articles ADD FOREIGN KEY (comment) REFERENCES comments (comment);
SHOW CREATE TABLE articles;
Table Create Table
articles CREATE TABLE `articles` (
`content` text NOT NULL,
`comment` int(10) unsigned DEFAULT NULL,
KEY `comment` (`comment`),
CONSTRAINT `comment` FOREIGN KEY (`comment`) REFERENCES `test`.`comments` (`comment`) ON DELETE RESTRICT ON UPDATE RESTRICT
) ENGINE=Mroonga DEFAULT CHARSET=latin1
SELECT * FROM information_schema.referential_constraints;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME UNIQUE_CONSTRAINT_CATALOG UNIQUE_CONSTRAINT_SCHEMA UNIQUE_CONSTRAINT_NAME MATCH_OPTION UPDATE_RULE DELETE_RULE TABLE_NAME REFERENCED_TABLE_NAME
def test comment def test PRIMARY NONE RESTRICT RESTRICT articles comments
DROP TABLE articles;
DROP TABLE comments;
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