{"id":4616,"date":"2024-02-29T17:57:01","date_gmt":"2024-02-29T08:57:01","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=4616"},"modified":"2024-03-13T18:31:51","modified_gmt":"2024-03-13T09:31:51","slug":"post-4616","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/4616","title":{"rendered":"MySQL\u306e\u30c8\u30ea\u30ac\u30fc\u3092\u4f7f\u7528\u3057\u3066\u7279\u5b9a\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u64cd\u4f5c\u3092\u884c\u3063\u305f\u969b\u306b\u5225\u30c6\u30fc\u30d6\u30eb\u306b\u30ed\u30b0\u3092\u6b8b\u3059\u65b9\u6cd5"},"content":{"rendered":"

MySQL\u306b\u30c8\u30ea\u30ac\u30fc\u3068\u3044\u3046\u6a5f\u80fd\u304c\u3042\u308b\u3089\u3057\u304f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u8abf\u3079\u305f\u3068\u3053\u308d\u3001\u4e8b\u524d\u306b\u300c\u6307\u5b9a\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u3067INSERT \/ UPDATE \/ DELETE\u304c\u884c\u308f\u308c\u305f\u3089\u3007\u3007\u3068\u3044\u3046SQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u3082\u306e\u3089\u3057\u304f\u3001\u7ba1\u7406\u753b\u9762\u7b49\u306e\u64cd\u4f5c\u30ed\u30b0\u306a\u3093\u304b\u306b\u4f7f\u3048\u305d\u3046\u3002\u4ee5\u4e0b\u306b\u5c0e\u5165\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n

 <\/p>\n

\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/h2>\n

https:\/\/dev.mysql.com\/doc\/refman\/8.0\/ja\/triggers.html<\/a><\/p>\n

 <\/p>\n

\u3084\u308a\u305f\u3044\u3053\u3068<\/h2>\n

test_table\u306b\u30c7\u30fc\u30bf\u304cINSERT\u3055\u308c\u305f\u3089log_table\u306b\u300cINSERT\u300d\u3068\u300c\u5b9f\u884c\u65e5\u6642\u300d\u3092\u4fdd\u5b58\u3057\u305f\u3044\u3002\u5404\u30c6\u30fc\u30d6\u30eb\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8a2d\u8a08\u3002<\/p>\n

mysql> SHOW COLUMNS FROM `test_table`;\r\n+------------+--------------+------+-----+---------+----------------+\r\n| Field      | Type         | Null | Key | Default | Extra          |\r\n+------------+--------------+------+-----+---------+----------------+\r\n| id         | int          | NO   | PRI | NULL    | auto_increment |\r\n| name       | varchar(255) | NO   |     | NULL    |                |\r\n| score      | int          | NO   |     | NULL    |                |\r\n| regist_ymd | datetime     | NO   |     | NULL    |                |\r\n+------------+--------------+------+-----+---------+----------------+\r\n\r\nmysql> SHOW COLUMNS FROM `log_table`;\r\n+------------+--------------+------+-----+---------+----------------+\r\n| Field      | Type         | Null | Key | Default | Extra          |\r\n+------------+--------------+------+-----+---------+----------------+\r\n| id         | int          | NO   | PRI | NULL    | auto_increment |\r\n| log        | varchar(255) | NO   |     | NULL    |                |\r\n| regist_ymd | datetime     | NO   |     | NULL    |                |\r\n+------------+--------------+------+-----+---------+----------------+<\/pre>\n
 <\/p>\n
\u30c8\u30ea\u30ac\u30fc\u306b\u3064\u3044\u3066<\/h2>\n
\u57fa\u672c\u69cb\u6587<\/h3>\n
CREATE TRIGGER \u3010\u30c8\u30ea\u30ac\u30fc\u540d\u3011\r\n{ BEFORE | AFTER } { INSERT | UPDATE | DELETE }\r\nON \u3010\u30c8\u30ea\u30ac\u30fc\u304c\u767a\u706b\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3011 FOR EACH ROW\r\n\u3010\u767a\u706b\u5185\u5bb9\u3011;<\/pre>\n
\u30c8\u30ea\u30ac\u30fc\u306e\u8ffd\u52a0<\/h3>\n
CREATE TRIGGER insert_trigget \r\nAFTER INSERT ON `test_table` \r\nFOR EACH ROW \r\nINSERT INTO `log_table` \r\n    (\r\n        `log`,\r\n        `regist_ymd`\r\n    )\r\nVALUES \r\n    (\r\n        'INSERT',\r\n        now()\r\n    );<\/pre>\n
\u4eca\u56de\u306fINSERT\u306e\u307f\u8a2d\u5b9a\u3057\u305f\u304cUPDATE \/ DELETE\u3082\u305d\u308c\u305e\u308c\u5225\u3067\u767b\u9332\u53ef\u3002<\/p>\n
\u30c8\u30ea\u30ac\u30fc\u306e\u78ba\u8a8d<\/h3>\n
SHOW TRIGGERS;<\/pre>\n
\u30c8\u30ea\u30ac\u30fc\u306e\u5b9f\u884c<\/h3>\n
INSERT INTO `test_table` \r\n    (`name`, `score`, `regist_ymd`) \r\nVALUES \r\n    (\"\u9234\u6728\", 80, now());\r\n\r\nmysql> SELECT * FROM `test_table`;\r\n+----+--------+-------+---------------------+\r\n| id | name | score | regist_ymd |\r\n+----+--------+-------+---------------------+\r\n| 1 | \u9234\u6728 | 80 | 2024-02-15 18:13:49 |\r\n+----+--------+-------+---------------------+\r\n\r\nmysql> SELECT * FROM `log_table`;\r\n+----+--------+---------------------+\r\n| id | log | regist_ymd |\r\n+----+--------+---------------------+\r\n| 1 | INSERT | 2024-02-15 18:13:49 |\r\n+----+--------+---------------------+<\/pre>\n
test_table\u306bINSERT\u3059\u308b\u3053\u3068\u3067log_table\u3078\u3082\u30c7\u30fc\u30bf\u304c\u767b\u9332\u3055\u308c\u305f\u70b9\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n
\u30c8\u30ea\u30ac\u30fc\u306e\u524a\u9664<\/h3>\n
DROP TRIGGER insert_trigget;<\/pre>\n
 <\/p>\n
\u305d\u306e\u4ed6<\/h2>\n
Adminer<\/a>\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u4ee5\u4e0b\u304b\u3089\u8a2d\u5b9a\u3067\u304d\u308b\u307f\u305f\u3044\u3002<\/p>\n
\"\"<\/a><\/p>\n
\"\"<\/a><\/p>\n
\u6642\u9593(BEFORE \/ AFTER)\u3084\u30a4\u30d9\u30f3\u30c8(INSERT \/ UPDATE \/ DELETE)\u3092GUI\u3067\u9078\u629e\u3067\u304d\u3001\u30c6\u30ad\u30b9\u30c8\u30a8\u30ea\u30a2\u306b\u306f\u4ee5\u4e0b\u306e\u767a\u706b\u5185\u5bb9\u3092\u5165\u529b\u3059\u308b\u3068\u767b\u9332\u3067\u304d\u308b\u3002<\/p>\n
INSERT INTO `log_table` \r\n    (\r\n        `log`,\r\n        `regist_ymd`\r\n    )\r\nVALUES \r\n    (\r\n        'INSERT',\r\n        now()\r\n    );<\/pre>\n","protected":false},"excerpt":{"rendered":"
MySQL\u306b\u30c8\u30ea\u30ac\u30fc\u3068\u3044\u3046\u6a5f\u80fd\u304c\u3042\u308b\u3089\u3057\u304f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u8abf\u3079\u305f\u3068\u3053\u308d\u3001\u4e8b\u524d\u306b\u300c ... <\/p>\n","protected":false},"author":1,"featured_media":1072,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,66],"tags":[],"class_list":["post-4616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","category-database"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/4616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=4616"}],"version-history":[{"count":5,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/4616\/revisions"}],"predecessor-version":[{"id":5448,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/4616\/revisions\/5448"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1072"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=4616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=4616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=4616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}