{"id":79,"date":"2023-09-23T13:21:46","date_gmt":"2023-09-23T04:21:46","guid":{"rendered":"http:\/\/www.cybergarage.org\/memo\/?p=79"},"modified":"2024-02-07T22:43:57","modified_gmt":"2024-02-07T13:43:57","slug":"postgresql_protocol_impl","status":"publish","type":"post","link":"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/","title":{"rendered":"PostgreSQL\u30d7\u30ed\u30c8\u30b3\u30eb\u5b9f\u88c5\u306b\u5fc5\u8981\u306a\u67d4\u8edf\u6027"},"content":{"rendered":"<p>\u6700\u8fd1\u3001PostgresSQL\u4e92\u63db\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u88c5\u3059\u308b\u76ee\u7684\u3067\u3001Go\u8a00\u8a9e\u5411\u3051\u306ePostgreSQL\u4e92\u63db\u30b5\u30fc\u30d0\u30fc\u69cb\u7bc9\u7528\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308b\u300c<a href=\"https:\/\/github.com\/cybergarage\/go-postgresql\">go-postgresql<\/a>\u300d\u3068\u3001\u305d\u308c\u3092\u6d3b\u7528\u3057\u305f\u30de\u30eb\u30c1\u30d7\u30ed\u30c8\u30b3\u30eb\/\u30de\u30eb\u30c1\u30e2\u30c7\u30eb\u3092\u30b3\u30f3\u30bb\u30d7\u30c8\u3068\u3059\u308b\u300c<a href=\"https:\/\/github.com\/cybergarage\/puzzledb-go\">PuzzleDB<\/a>\u300d\u3092\u958b\u767a\u3059\u308b\u904e\u7a0b\u3067\u3001PostgreSQL\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u5b9f\u88c5\u3092\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u4ee5\u524d\u3001RDBMS\u306e\u4ee3\u8868\u7684\u306aPostgreSQL\u30fbMySQL\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6982\u8981\u3092\u8abf\u67fb<a href=\"http:\/\/www.cybergarage.org\/memo\/rdbms_query_protocols\/\">[3]<\/a>\u3092\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u3001\u5b9f\u88c5\u306b\u304a\u3051\u308b\u30dd\u30a4\u30f3\u30c8\u3084\u3001\u7570\u306a\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5b9f\u969b\u306b\u3064\u3044\u3066\u3082\u8003\u5bdf\u3057\u3001PostgreSQL\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u67d4\u8edf\u6027\u3068\u305d\u306e\u5fc5\u8981\u6027\u306b\u3064\u3044\u3066\u6574\u7406\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E3%83%A1%E3%83%83%E3%82%BB%E3%83%BC%E3%82%B8%E3%81%AE%E5%85%B1%E9%80%9A%E5%BD%A2%E5%BC%8F\" >\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5171\u901a\u5f62\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E3%83%A1%E3%83%83%E3%82%BB%E3%83%BC%E3%82%B8%E5%BD%A2%E5%BC%8F%E3%81%AE%E7%89%B9%E5%BE%B4\" >\u30e1\u30c3\u30bb\u30fc\u30b8\u5f62\u5f0f\u306e\u7279\u5fb4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E3%83%A1%E3%83%83%E3%82%BB%E3%83%BC%E3%82%B8%E3%81%AE%E5%87%A6%E7%90%86%E3%83%95%E3%83%AD%E3%83%BC\" >\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u51e6\u7406\u30d5\u30ed\u30fc<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E3%82%B9%E3%82%BF%E3%83%BC%E3%83%88%E3%82%A2%E3%83%83%E3%83%97%E6%99%82%E3%81%AE%E4%BE%8B%E5%A4%96\" >\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u6642\u306e\u4f8b\u5916<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E6%8B%A1%E5%BC%B5%E3%82%AF%E3%82%A8%E3%83%AA%E3%83%BC%E3%81%AE%E5%87%A6%E7%90%86%E3%83%95%E3%83%AD%E3%83%BC\" >\u62e1\u5f35\u30af\u30a8\u30ea\u30fc\u306e\u51e6\u7406\u30d5\u30ed\u30fc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E3%83%97%E3%83%AD%E3%83%88%E3%82%B3%E3%83%AB%E5%AE%9F%E8%A3%85%E3%81%AE%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88\" >\u30d7\u30ed\u30c8\u30b3\u30eb\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E6%8B%A1%E5%BC%B5%E3%82%AF%E3%82%A8%E3%83%AA%E3%83%BC%E3%81%AE%E9%80%81%E5%8F%97%E4%BF%A1%E4%BE%8B\" >\u62e1\u5f35\u30af\u30a8\u30ea\u30fc\u306e\u9001\u53d7\u4fe1\u4f8b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#CREATE_TABLE%E3%81%AE%E9%80%81%E5%8F%97%E4%BF%A1%E4%BE%8B\" >CREATE TABLE\u306e\u9001\u53d7\u4fe1\u4f8b<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E6%9C%80%E5%BE%8C%E3%81%AB_%E2%80%93_%E5%AE%9F%E8%A3%85%E3%81%AE%E6%9F%94%E8%BB%9F%E6%80%A7%E3%81%A8%E3%81%9D%E3%81%AE%E5%BF%85%E8%A6%81%E6%80%A7\" >\u6700\u5f8c\u306b &#8211;  \u5b9f\u88c5\u306e\u67d4\u8edf\u6027\u3068\u305d\u306e\u5fc5\u8981\u6027<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.cybergarage.org\/memo\/postgresql_protocol_impl\/#%E5%8F%82%E8%80%83%E8%B3%87%E6%96%99\" >\u53c2\u8003\u8cc7\u6599<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"%E3%83%A1%E3%83%83%E3%82%BB%E3%83%BC%E3%82%B8%E3%81%AE%E5%85%B1%E9%80%9A%E5%BD%A2%E5%BC%8F\"><\/span>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5171\u901a\u5f62\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>PostgreSQL\u4ed5\u69d8\u66f8\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3092\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9(Frontend)\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3092\u30d0\u30c3\u30af\u30a8\u30f3\u30c9(Backend)\u3068\u3057\u305f\u7528\u8a9e\u306e\u5b9a\u7fa9\u304c\u3042\u308a\u307e\u3059<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-overview.html\">[3]<\/a>\u3002<br \/>\nPostgreSQL\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304b\u3089\u306e\u8981\u6c42\u30d1\u30b1\u30c3\u30c8\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304b\u3089\u306e\u5fdc\u7b54\u30d1\u30b1\u30c3\u30c8\u306e\u3044\u305a\u308c\u306b\u304a\u3044\u3066\u3082\u3001\u57fa\u672c\u7684\u306b\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u30d1\u30b1\u30c3\u30c8\u4ed5\u69d8\u306b\u6e96\u3058\u3066\u3044\u307e\u3059<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-overview.html\">[3]<\/a>\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cybergarage.org\/wp-content\/uploads\/postgresql_protocol_impl_03.jpg\" alt=\"\" \/><\/p>\n<p>PostgreSQL\u306e\u901a\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225(Cmd)\u3001\u6b21\u306e4\u30d0\u30a4\u30c8(Length of message)\u306f\u81ea\u8eab\u3092\u542b\u3080\u30e1\u30c3\u30bb\u30fc\u30b8\u90e8(Message body)\u9577\u3092\u793a\u3059\u5171\u901a\u30d8\u30c3\u30c0\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u5f8c\u8ff0\u3059\u308b\u3088\u3046\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u6642\u306b\u304a\u3044\u3066\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u4f8b\u5916\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E3%83%A1%E3%83%83%E3%82%BB%E3%83%BC%E3%82%B8%E5%BD%A2%E5%BC%8F%E3%81%AE%E7%89%B9%E5%BE%B4\"><\/span>\u30e1\u30c3\u30bb\u30fc\u30b8\u5f62\u5f0f\u306e\u7279\u5fb4<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001MySQL<a href=\"http:\/\/www.cybergarage.org\/memo\/rdbms_query_protocols\/\">[1]<\/a>\u3084MongoDB<a href=\"http:\/\/www.cybergarage.org\/memo\/mongodb-wire-protocol\/\">[2]<\/a>\u306e\u3088\u3046\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8b58\u5225\u5b50\u304a\u3088\u3073\u5fdc\u7b54\u306e\u8b58\u5225\u5b50\u3068\u306a\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u756a\u53f7(ID)\u304c\u542b\u307e\u308c\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u57fa\u672c\u7684\u306b\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u8981\u6c42\u9806\u306b\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9806\u6b21\u5fdc\u7b54\u3059\u308b\u5f62\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>PostgreSQL\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3088\u308b\u901a\u4fe1\u306f\u3001\u8981\u6c42\u304a\u3088\u3073\u5fdc\u7b54\u5171\u306b\u8907\u6570\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5408\u6210\u7684\u306b\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002MySQL\u306b\u304a\u3044\u3066\u306f\u3001\u305d\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u53b3\u5bc6\u306b\u5b9a\u7fa9<a href=\"https:\/\/dev.mysql.com\/doc\/dev\/mysql-server\/latest\/PAGE_PROTOCOL.html\">[7]<\/a><a href=\"https:\/\/dev.mysql.com\/doc\/dev\/mysql-server\/latest\/page_protocol_com_query_response.html\">[8]<\/a>\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001PostgreSQL\u3067\u306f\u53b3\u5bc6\u306a\u5b9a\u7fa9\u306f\u306a\u304f\u3001\u9806\u6b21\u8981\u6c42\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304a\u3088\u3073\u3001\u305d\u308c\u306b\u5bfe\u3059\u308b\u5fdc\u7b54\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u5404\u81ea\u306e\u5b9f\u88c5\u306b\u304a\u3044\u3066\u3001\u7701\u7565\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E3%83%A1%E3%83%83%E3%82%BB%E3%83%BC%E3%82%B8%E3%81%AE%E5%87%A6%E7%90%86%E3%83%95%E3%83%AD%E3%83%BC\"><\/span>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u51e6\u7406\u30d5\u30ed\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>PostgreSQL\u306e\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u4ee5\u964d\u306e\u57fa\u672c\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u306f\u3001\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4]<\/a>\u306b\u6982\u8981\u306e\u8aac\u660e\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304b\u3089\u4eca\u56de\u5b9f\u88c5\u3057\u3066\u307f\u305f\u3001\u6b63\u5e38\u7cfb\u306e\u4e3b\u8981\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u72b6\u614b\u30de\u30b7\u30f3\u56f3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cybergarage.org\/wp-content\/uploads\/postgresql_protocol_impl_02.jpg\" alt=\"\" \/><\/p>\n<p>\u57fa\u672c\u7684\u306b\u306f\u5f8c\u8ff0\u3059\u308b\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u6642\u306e\u7279\u6b8a\u901a\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u3088\u308b\u8a8d\u8a3c\u304a\u3088\u3073\u8a8d\u53ef\u7d42\u4e86\u5f8c\u306f\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u304b\u3089\u306e\u3001\u9759\u7684\u306a\u6587\u5b57\u5217\u3067\u3042\u308b\u5358\u7d14\u306a\u30af\u30a8\u30ea\u30fc(Simple Query)\u3068\u62e1\u5f35\u30af\u30a8\u30ea\u30fc(Extended Query)\u306a\u3069\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u8981\u6c42\u3092\u51e6\u7406\u3092\u3057\u3066\u3001\u5f85\u6a5f(Ready)\u72b6\u614b\u3078\u306e\u9077\u79fb\u7e70\u308a\u8fd4\u3048\u3059\u306e\u304c\u57fa\u672c\u30d5\u30ed\u30fc\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%82%B9%E3%82%BF%E3%83%BC%E3%83%88%E3%82%A2%E3%83%83%E3%83%97%E6%99%82%E3%81%AE%E4%BE%8B%E5%A4%96\"><\/span>\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u6642\u306e\u4f8b\u5916<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5171\u901a\u5f62\u5f0f\u306b\u306f\u4f8b\u5916\u304c\u3042\u308a\u3001\u6b74\u53f2\u7684\u306a\u7d4c\u7def<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-overview.html\">[3]<\/a>\u304b\u3089\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u6642\u306e\u6700\u521d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u304b\u3089\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225(Cmd)\u304c\u7701\u7565\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4f8b\u5916\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u3001\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u30e1\u30c3\u30bb\u30fc\u30b8(StartupMessage)\u3068\u3001SSL\u8981\u6c42\u30e1\u30c3\u30bb\u30fc\u30b8(SSLRequest)\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cybergarage.org\/wp-content\/uploads\/postgresql_protocol_impl_04.jpg\" alt=\"\" \/><\/p>\n<p>\u3044\u305a\u308c\u3082\u3001\u5171\u901a\u5f62\u5f0f\u3068\u6bd4\u8f03\u3057\u3066\u3001\u6700\u521d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225(Cmd)\u304c\u7701\u7565\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225(Cmd)\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u30e1\u30c3\u30bb\u30fc\u30b8(StartupMessage)\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u5185\u5bb9\u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u9806\u306b\u3088\u308a\u53ef\u5909\u3067\u3059\u304c\u3001SSL\u8981\u6c42\u30e1\u30c3\u30bb\u30fc\u30b8(SSLRequest)\u306f\u56fa\u5b9a\u5024\u3067\u3042\u308b\u305f\u3081\u3001SSL\u8981\u6c42\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30d8\u30c3\u30c0\u90e8\u3067\u8b58\u5225\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>SSL\u8981\u6c42\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9577\u3055\u306f8\u3067\u56fa\u5b9a\u3001SSL\u8981\u6c42(Request)\u90e8\u306f80877103(=04D2162F)\u3001\u3064\u307e\u308a\u30011234(0x04D2)\u30685679(0x162F)\u306e2\u3064\u306e\u30de\u30b8\u30c3\u30af\u30ca\u30f3\u30d0\u30fc\u306e\u56fa\u5b9a\u5024\u306b\u3088\u308b\u8b58\u5225\u3068\u306a\u308a\u307e\u3059\u3002\u3044\u305a\u308c\u306b\u3057\u308d\u3001\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u5f8c\u306e\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u4f8b\u5916\u7684\u306a\u51e6\u7406\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%8B%A1%E5%BC%B5%E3%82%AF%E3%82%A8%E3%83%AA%E3%83%BC%E3%81%AE%E5%87%A6%E7%90%86%E3%83%95%E3%83%AD%E3%83%BC\"><\/span>\u62e1\u5f35\u30af\u30a8\u30ea\u30fc\u306e\u51e6\u7406\u30d5\u30ed\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PostgreSQL\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u5358\u7d14\u306a\u30af\u30a8\u30ea\u30fc(Simple Query)\u8981\u6c42\u306b\u52a0\u3048\u3066\u3001\u62e1\u5f35\u30af\u30a8\u30ea\u30fc(Extended Query)\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u62e1\u5f35\u30af\u30a8\u30ea\u30fc(Extended Query)\u306f\u3001SQL\u6587\u3092\u8907\u6570\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u5206\u5272\u3057\u3066\u9001\u4fe1\u3059\u308b\u30af\u30a8\u30ea\u30fc\u5f62\u5f0f\u3067\u3059\u3002\u62e1\u5f35\u30af\u30a8\u30ea\u30fc\u306b\u3064\u304d\u3001\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4]<\/a>\u304b\u3089\u4eca\u56de\u5b9f\u88c5\u3057\u3066\u307f\u305f\u3001\u6b63\u5e38\u7cfb\u306e\u4e3b\u8981\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u72b6\u614b\u30de\u30b7\u30f3\u56f3\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cybergarage.org\/wp-content\/uploads\/postgresql_protocol_impl_05.jpg\" alt=\"\" \/><\/p>\n<p>\u62e1\u5f35\u30af\u30a8\u30ea\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u4e0a\u8a18\u56f3\u306e\u4e00\u9023\u306e\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u73fe\u3055\u308c\u307e\u3059\u304c\u3001\u30d5\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u306e\u5fdc\u7b54\u3092\u5f85\u305f\u305a\u306b\u3001\u4e00\u9023\u306e\u30af\u30a8\u30ea\u3092\u9001\u4fe1\u3059\u308b\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3092\u53ef\u80fd\u3068\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u76ee\u7684\u3068\u3057\u3066\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u5f80\u5fa9\u56de\u6570\u304c\u524a\u6e1b\u304c\u3042\u308a<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4]<\/a>\u3001\u5b9f\u969b\u306e\u5b9f\u88c5\u3067\u3082\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u304b\u3089\u306e\u5fdc\u7b54\u304c\u7701\u7565\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E3%83%97%E3%83%AD%E3%83%88%E3%82%B3%E3%83%AB%E5%AE%9F%E8%A3%85%E3%81%AE%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88\"><\/span>\u30d7\u30ed\u30c8\u30b3\u30eb\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>PostgreSQL\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5b9f\u88c5\u306b\u304a\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u300cFrontend\/Backend Protocol\u300d\u516c\u5f0f\u8cc7\u6599\u3092\u53c2\u7167\u3057\u306a\u304c\u3089\u4f5c\u696d\u3092\u9032\u3081\u307e\u3059\u3002\u3068\u306f\u8a00\u3048\u3001MySQL\u306e\u3088\u3046\u306b\u53b3\u5bc6\u306a\u5b9a\u7fa9<a href=\"https:\/\/dev.mysql.com\/doc\/dev\/mysql-server\/latest\/PAGE_PROTOCOL.html\">[7]<\/a><a href=\"https:\/\/dev.mysql.com\/doc\/dev\/mysql-server\/latest\/page_protocol_com_query_response.html\">[8]<\/a>\u306f\u306a\u304f\u3001RFC\u5f62\u5f0f\u306e\u3088\u3046\u306a\u5fc5\u9808\u30fb\u63a8\u5968\u30fb\u4efb\u610f\u306e\u5b9a\u7fa9\u3082\u306a\u304f\u3001\u5b9f\u88c5\u306b\u304a\u3044\u3066\u306f\u3001\u89e3\u91c8\u306e\u4f59\u5730\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-overview.html\">[3] Overview - PostgreSQL: Documentation: Frontend\/Backend Protocol<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4] Message Flow - PostgreSQL: Documentation: Frontend\/Backend Protocol<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-message-types.html\">[5] Message Data Types - PostgreSQL: Documentation: Frontend\/Backend Protocol<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-message-formats.html\">[6] Message Formats - PostgreSQL: Documentation: Frontend\/Backend Protocol<\/a><\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u306f\u3001\u5fc5\u9808\u306e\u4ed5\u69d8\u304c\u4e0d\u660e\u78ba\u306a\u305f\u3081\u3001\u3059\u3079\u3066\u3092\u63a8\u5968\u30fb\u4efb\u610f\u3067\u3042\u308b\u4eee\u5b9a\u3092\u7f6e\u3044\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304a\u3088\u3073\u4e92\u63db\u30b5\u30fc\u30d0\u30fc\u5171\u306b\u3001\u67d4\u8edf\u306b\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u5074\u306f\u73fe\u72b6\u516c\u5f0f\u306a\u5b9f\u88c5\u306f\u4e00\u3064\u3067\u3059\u304c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u5404\u8a00\u8a9e\u6bce\u306b\u69d8\u3005\u306a\u5b9f\u88c5\u304c\u5b58\u5728\u3057\u3001\u305d\u306e\u5b9f\u88c5\u65b9\u91dd\u3084\u4ed5\u69d8\u306e\u89e3\u91c8\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%8B%A1%E5%BC%B5%E3%82%AF%E3%82%A8%E3%83%AA%E3%83%BC%E3%81%AE%E9%80%81%E5%8F%97%E4%BF%A1%E4%BE%8B\"><\/span>\u62e1\u5f35\u30af\u30a8\u30ea\u30fc\u306e\u9001\u53d7\u4fe1\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u67d4\u8edf\u306a\u5b9f\u88c5\u306e\u5fc5\u8981\u6027\u3092\u3001\u5358\u7d14\u306aDML\u30af\u30a8\u30ea\u30fc\u3067\u3042\u308b\u300cCREATE TABLE\u300d\u3067\u306e\u5404\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u306e\u5b9f\u88c5\u3092\u4ea4\u3048\u3066\u8aac\u660e\u3057\u3066\u307f\u307e\u3059\u3002DML\u30af\u30a8\u30ea\u30fc\u306f\u4e00\u822c\u7684\u306b\u306f\u9759\u7684\u3001\u56fa\u5b9a\u6587\u5b57\u5217\u3067\u306e\u30af\u30a8\u30ea\u30fc\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>PostgreSQL\u4ed8\u5c5e\u306e\u6a19\u6e96\u30b3\u30de\u30f3\u30c9(psql,pgbench)\u3084\u3001Go\u8a00\u8a9e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308bpq\u306a\u3069\u3067\u306f\u3001\u60f3\u5b9a\u901a\u308a\u5358\u7d14\u306a\u30af\u30a8\u30ea\u30fc(Simple Query)\u304c\u767a\u884c\u3055\u308c\u307e\u3059\u3002Go\u8a00\u8a9e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308bpg\u304cDML\u3082\u6975\u529b\u5358\u7d14\u306a\u30af\u30a8\u30ea\u30fc\u306b\u5c55\u958b\u3059\u308b\u306e\u306b\u5bfe\u3057\u3066\u610f\u3001pgx\u306b\u304a\u3044\u3066\u306f\u3001DDL\u306e\u3088\u3046\u306a\u660e\u3089\u304b\u306b\u9759\u7684\u306a\u30af\u30a8\u30ea\u30fc\u3067\u3042\u3063\u3066\u3082\u3001\u62e1\u5f35\u30af\u30a8\u30ea\u30fc(Extended Query)\u306b\u5c55\u958b\u3059\u308b\u3088\u3046\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"CREATE_TABLE%E3%81%AE%E9%80%81%E5%8F%97%E4%BF%A1%E4%BE%8B\"><\/span>CREATE TABLE\u306e\u9001\u53d7\u4fe1\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u4e0a\u8a18\u306e\u62e1\u5f35\u30af\u30a8\u30ea\u30fc(Extended Query)\u4e8b\u4f8b\u3092\u901a\u3058\u3066\u3001\u4e00\u822c\u7684\u306a\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5074\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u306e\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u3066\u307f\u307e\u3059\u3002\u5de6\u56f3\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5074\u304b\u3089\u306e\u8981\u6c42\u3067\u3001\u9ec4\u8272\u67a0\u304c\u9001\u4fe1\u304c\u5fc5\u9808\u3001\u7070\u8272\u90e8\u304c\u4efb\u610f\u3068\u601d\u308f\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u53f3\u56f3\u306f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u304b\u3089\u306e\u5fdc\u7b54\u3067\u3001\u540c\u3058\u304f\u9ec4\u8272\u67a0\u304c\u9001\u4fe1\u304c\u5fc5\u9808\u3001\u7070\u8272\u90e8\u304c\u4efb\u610f\u3068\u601d\u308f\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cybergarage.org\/wp-content\/uploads\/postgresql_protocol_impl_06.jpg\" alt=\"\" \/><\/p>\n<p>\u307e\u305a\u3001\u5de6\u5074\u56f3\u3068\u306a\u308b\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5074\u3067\u3059\u304c\u3001\u9ec4\u8272\u90e8\u306f\u5fc5\u9808\u3068\u3057\u3066\u3001\u7070\u8272\u90e8\u306eParse\u3084Bindo\u7d50\u679c\u3092\u78ba\u8a8d\u3059\u308bDescribe(D)\u306b\u3064\u3044\u3066\u306f\u3001\u516c\u5f0f\u4ed5\u69d8\u3067\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u64cd\u4f5c\u306b\u533a\u5206\u3055\u308c\u3001Parse\u304bBind\u3044\u305a\u308c\u304b\u306e\u78ba\u8a8d\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4]<\/a>\u3002\u305f\u3060\u3057\u78ba\u8a8d\u3067\u304d\u305f\u5b9f\u88c5\u306b\u304a\u3044\u3066\u306f\u3001pgx\u304a\u3088\u3073pq\u306e\u3044\u305a\u308c\u3082Parse\u304a\u3088\u3073Bind\u306e\u53cc\u65b9\u3092\u78ba\u8a8d\u3057\u3066\u304a\u308a\u3001\u7701\u7565\u306f\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u6b21\u306b\u3001\u53f3\u5074\u306e\u56f3\u3068\u306a\u308b\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u3067\u3059\u304c\u3001ReadyForQuery\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5074\u304c\u5b89\u5168\u306b\u65b0\u3057\u3044\u30b3\u30de\u30f3\u30c9\u3092\u9001\u4fe1\u3067\u304d\u308b\u3053\u3068\u3092\u901a\u77e5\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u3059\u3002\u300c1\u3064\u4ee5\u4e0a\u306e\u5fdc\u7b54\u5f8c\u306b\u3001\u6700\u5f8c\u306bReadyForQuery\u3092\u5fdc\u7b54\u3059\u308b\u300d<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4]<\/a>\u3068\u3055\u308c\u3066\u304a\u308a\u3001\u53f3\u56f3\u306f\u4fbf\u5b9c\u7684\u306b\u8981\u6c42\u6bce\u306bReadyForQuery\u306b\u3088\u308b\u5fdc\u7b54\u3092\u56f3\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u516c\u5f0f\u4ed5\u69d8\u306b\u306f\u3001Sync\u8981\u6c42\u306e\u307f\u9593\u63a5\u7684\u306b\u5fc5\u9808\u306e\u8a18\u8f09<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4]<\/a>\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u660e\u78ba\u306a\u7701\u7565\u306b\u95a2\u3059\u308b\u898f\u5b9a\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u516c\u5f0f\u306ePostgreSQL\u306e\u5b9f\u88c5\u3067\u306f\u9069\u5ea6\u306bReadyForQuery\u5fdc\u7b54\u306f\u7701\u7565\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8a66\u3057\u306b\u5404\u30b3\u30de\u30f3\u30c9\u6bce\u306bReadyForQuery\u3092\u5fdc\u7b54\u3057\u3066\u3082\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306f\u9069\u5207\u306b\u51e6\u7406\u3057\u3066\u304f\u308c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u53f3\u56f3\u306f\u3001Sync\u3078\u306eReadyForQuery\u5fdc\u7b54\u306f\u3082\u3068\u3088\u308a\u3001\u4ed6\u306e\u30b3\u30de\u30f3\u30c9\u306b\u5bfe\u3057\u3066\u306f\u5fc5\u305a\u5bfe\u5fdc\u3059\u308b\u5fdc\u7b54\u3092\u8fd4\u3059\u3088\u3046\u56f3\u793a\u3057\u3066\u3044\u307e\u3059\u304c\u3001Exexute\u8981\u6c42\u306b\u5bfe\u5fdc\u3059\u308bCommandComplete\u306b\u3064\u3044\u3066\u306f\u7701\u7565\u3055\u308c\u308b\u53ef\u80fd\u6027\u3082\u8a18\u8f09<a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4]<\/a>\u3055\u308c\u3066\u304a\u308a\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5074\u306e\u5b9f\u88c5\u306b\u306f\u3001\u7d50\u69cb\u306a\u67d4\u8edf\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u5370\u8c61\u3067\u3059\u3002<\/p>\n<h1>\u6700\u5f8c\u306b -  \u5b9f\u88c5\u306e\u67d4\u8edf\u6027\u3068\u305d\u306e\u5fc5\u8981\u6027<\/h1>\n<p>\u4eca\u56de\u3001PostgresSQL\u4e92\u63db\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u88c5\u3059\u308b\u904e\u7a0b\u3067\u3001PostgreSQL\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u5b9f\u88c5\u3092\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002PostgreSQL\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u9593\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u4ea4\u63db\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u4e00\u822c\u7684\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u672c\u4f53\u9577\u3092\u542b\u3080\u30d8\u30c3\u30c0\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u304c\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u6642\u306b\u306f\u4f8b\u5916\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p>\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001MySQL\u3084MongoDB\u3068\u306f\u7570\u306a\u308a\u3001\u30e1\u30c3\u30bb\u30fc\u30b8ID\u3092\u542b\u307e\u305a\u3001\u57fa\u672c\u7684\u306b\u306f\u8981\u6c42\u3068\u5fdc\u7b54\u304c\u9806\u5e8f\u901a\u308a\u306b\u884c\u308f\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u62e1\u5f35\u30af\u30a8\u30ea\u30fc\u3067\u306fSQL\u6587\u3092\u8907\u6570\u30b9\u30c6\u30c3\u30d7\u306b\u5206\u5272\u3057\u3066\u9001\u4fe1\u3057\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306f\u4e00\u9023\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4ea4\u63db\u3057\u3066\u901a\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5b9f\u88c5\u306b\u306f\u516c\u5f0f\u8cc7\u6599\u3092\u57fa\u306b\u3057\u3064\u3064\u3082\u3001\u53b3\u5bc6\u306a\u5b9a\u7fa9\u304c\u306a\u304f\u3001\u5b9f\u88c5\u306b\u304a\u3044\u3066\u89e3\u91c8\u306e\u4f59\u5730\u304c\u3042\u308b\u305f\u3081\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3084\u4e92\u63db\u30b5\u30fc\u30d0\u30fc\u306f\u67d4\u8edf\u306a\u5b9f\u88c5\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E8%B3%87%E6%96%99\"><\/span>\u53c2\u8003\u8cc7\u6599<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<ul>\n<li><a href=\"http:\/\/www.cybergarage.org\/memo\/rdbms_query_protocols\/\">[1] PostgreSQL\u30fbMySQL\u306e\u554f\u3044\u5408\u308f\u305b(Query)\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6bd4\u8f03 \u2013 Cyber Garage (Memo)<\/a><\/li>\n<li><a href=\"http:\/\/www.cybergarage.org\/memo\/mongodb-wire-protocol\/\">[2] MongoDB \u30d7\u30ed\u30c8\u30b3\u30eb\u5b9f\u88c5\u8abf\u67fb \u2013 v3.6\u4ee5\u964d\u306e\u5b9f\u60c5 \u2013 Cyber Garage (Memo)<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-overview.html\">[3] Overview - PostgreSQL: Documentation: Frontend\/Backend Protocol<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-flow.html\">[4] Message Flow - PostgreSQL: Documentation: Frontend\/Backend Protocol<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-message-types.html\">[5] Message Data Types - PostgreSQL: Documentation: Frontend\/Backend Protocol<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/docs\/16\/protocol-message-formats.html\">[6] Message Formats - PostgreSQL: Documentation: Frontend\/Backend Protocol<\/a><\/li>\n<li><a href=\"https:\/\/dev.mysql.com\/doc\/dev\/mysql-server\/latest\/PAGE_PROTOCOL.html\">[7] MySQL: Client\/Server Protocol<\/a><\/li>\n<li><a href=\"https:\/\/dev.mysql.com\/doc\/dev\/mysql-server\/latest\/page_protocol_com_query_response.html\">[8] MySQL: COM_QUERY Response<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u3001PostgresSQL\u4e92\u63db\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u88c5\u3059\u308b\u76ee\u7684\u3067\u3001Go\u8a00\u8a9e\u5411\u3051\u306ePostgreSQL\u4e92\u63db\u30b5\u30fc\u30d0\u30fc\u69cb\u7bc9\u7528\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308b\u300cgo-postgresql\u300d\u3068\u3001\u305d\u308c\u3092\u6d3b\u7528\u3057\u305f\u30de\u30eb\u30c1\u30d7\u30ed\u30c8\u30b3\u30eb\/\u30de\u30eb\u30c1\u30e2\u30c7\u30eb\u3092\u30b3\u30f3\u30bb\u30d7\u30c8\u3068\u3059\u308b\u300cPuzzleDB\u300d\u3092\u958b\u767a\u3059\u308b\u904e\u7a0b\u3067\u3001PostgreSQL\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u5b9f\u88c5\u3092\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002 \u4ee5\u524d\u3001RDBMS\u306e\u4ee3\u8868\u7684\u306aPostgreSQL\u30fbMySQL\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6982\u8981\u3092\u8abf\u67fb[3]\u3092\u3057\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u3001\u5b9f\u88c5\u306b\u304a\u3051\u308b\u30dd\u30a4\u30f3\u30c8\u3084\u3001\u7570\u306a\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5b9f\u969b\u306b\u3064\u3044\u3066\u3082\u8003\u5bdf\u3057\u3001PostgreSQL\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u67d4\u8edf\u6027\u3068\u305d\u306e\u5fc5\u8981\u6027\u306b\u3064\u3044\u3066\u6574\u7406\u3057\u3066\u307f\u307e\u3059\u3002 \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5171\u901a\u5f62\u5f0f PostgreSQL\u4ed5\u69d8\u66f8\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3092\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9(Frontend)\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3092\u30d0\u30c3\u30af\u30a8\u30f3\u30c9(Backend)\u3068\u3057\u305f\u7528\u8a9e\u306e\u5b9a\u7fa9\u304c\u3042\u308a\u307e\u3059[3]\u3002 PostgreSQL\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304b\u3089\u306e\u8981\u6c42\u30d1\u30b1\u30c3\u30c8\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304b\u3089\u306e\u5fdc\u7b54\u30d1\u30b1\u30c3\u30c8\u306e\u3044\u305a\u308c\u306b\u304a\u3044\u3066\u3082\u3001\u57fa\u672c\u7684\u306b\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u30d1\u30b1\u30c3\u30c8\u4ed5\u69d8\u306b\u6e96\u3058\u3066\u3044\u307e\u3059[3]\u3002 PostgreSQL\u306e\u901a\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225(Cmd)\u3001\u6b21\u306e4\u30d0\u30a4\u30c8(Length of message)\u306f\u81ea\u8eab\u3092\u542b\u3080\u30e1\u30c3\u30bb\u30fc\u30b8\u90e8(Message body)\u9577\u3092\u793a\u3059\u5171\u901a\u30d8\u30c3\u30c0\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u5f8c\u8ff0\u3059\u308b\u3088\u3046\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u6642\u306b\u304a\u3044\u3066\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u4f8b\u5916\u304c\u3042\u308a\u307e\u3059\u3002 \u30e1\u30c3\u30bb\u30fc\u30b8\u5f62\u5f0f\u306e\u7279\u5fb4 \u7279\u5fb4\u3068\u3057\u3066\u306f\u3001MySQL[1]\u3084MongoDB[2]\u306e\u3088\u3046\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8b58\u5225\u5b50\u304a\u3088\u3073\u5fdc\u7b54\u306e\u8b58\u5225\u5b50\u3068\u306a\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u756a\u53f7(ID)\u304c\u542b\u307e\u308c\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u57fa\u672c\u7684\u306b\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u8981\u6c42\u9806\u306b\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9806\u6b21\u5fdc\u7b54\u3059\u308b\u5f62\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002 PostgreSQL\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3088\u308b\u901a\u4fe1\u306f\u3001\u8981\u6c42\u304a\u3088\u3073\u5fdc\u7b54\u5171\u306b\u8907\u6570\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5408\u6210\u7684\u306b\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002MySQL\u306b\u304a\u3044\u3066\u306f\u3001\u305d\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u53b3\u5bc6\u306b\u5b9a\u7fa9[7][8]\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001PostgreSQL\u3067\u306f\u53b3\u5bc6\u306a\u5b9a\u7fa9\u306f\u306a\u304f\u3001\u9806\u6b21\u8981\u6c42\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304a\u3088\u3073\u3001\u305d\u308c\u306b\u5bfe\u3059\u308b\u5fdc\u7b54\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u5404\u81ea\u306e\u5b9f\u88c5\u306b\u304a\u3044\u3066\u3001\u7701\u7565\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002 \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u51e6\u7406\u30d5\u30ed\u30fc PostgreSQL\u306e\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u4ee5\u964d\u306e\u57fa\u672c\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u306f\u3001\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8[4]\u306b\u6982\u8981\u306e\u8aac\u660e\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304b\u3089\u4eca\u56de\u5b9f\u88c5\u3057\u3066\u307f\u305f\u3001\u6b63\u5e38\u7cfb\u306e\u4e3b\u8981\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u72b6\u614b\u30de\u30b7\u30f3\u56f3\u3068\u306a\u308a\u307e\u3059\u3002 \u57fa\u672c\u7684\u306b\u306f\u5f8c\u8ff0\u3059\u308b\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u6642\u306e\u7279\u6b8a\u901a\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u3088\u308b\u8a8d\u8a3c\u304a\u3088\u3073\u8a8d\u53ef\u7d42\u4e86\u5f8c\u306f\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u304b\u3089\u306e\u3001\u9759\u7684\u306a\u6587\u5b57\u5217\u3067\u3042\u308b\u5358\u7d14\u306a\u30af\u30a8\u30ea\u30fc(Simple Query)\u3068\u62e1\u5f35\u30af\u30a8\u30ea\u30fc(Extended Query)\u306a\u3069\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u8981\u6c42\u3092\u51e6\u7406\u3092\u3057\u3066\u3001\u5f85\u6a5f(Ready)\u72b6\u614b\u3078\u306e\u9077\u79fb\u7e70\u308a\u8fd4\u3048\u3059\u306e\u304c\u57fa\u672c\u30d5\u30ed\u30fc\u3068\u306a\u308a\u307e\u3059\u3002 \u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u6642\u306e\u4f8b\u5916 \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5171\u901a\u5f62\u5f0f\u306b\u306f\u4f8b\u5916\u304c\u3042\u308a\u3001\u6b74\u53f2\u7684\u306a\u7d4c\u7def[3]\u304b\u3089\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u6642\u306e\u6700\u521d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u304b\u3089\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225(Cmd)\u304c\u7701\u7565\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4f8b\u5916\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u3001\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u30e1\u30c3\u30bb\u30fc\u30b8(StartupMessage)\u3068\u3001SSL\u8981\u6c42\u30e1\u30c3\u30bb\u30fc\u30b8(SSLRequest)\u304c\u3042\u308a\u307e\u3059\u3002 \u3044\u305a\u308c\u3082\u3001\u5171\u901a\u5f62\u5f0f\u3068\u6bd4\u8f03\u3057\u3066\u3001\u6700\u521d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225(Cmd)\u304c\u7701\u7565\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u7a2e\u5225(Cmd)\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u30e1\u30c3\u30bb\u30fc\u30b8(StartupMessage)\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u5185\u5bb9\u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u9806\u306b\u3088\u308a\u53ef\u5909\u3067\u3059\u304c\u3001SSL\u8981\u6c42\u30e1\u30c3\u30bb\u30fc\u30b8(SSLRequest)\u306f\u56fa\u5b9a\u5024\u3067\u3042\u308b\u305f\u3081\u3001SSL\u8981\u6c42\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30d8\u30c3\u30c0\u90e8\u3067\u8b58\u5225\u3068\u306a\u308a\u307e\u3059\u3002 SSL\u8981\u6c42\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9577\u3055\u306f8\u3067\u56fa\u5b9a\u3001SSL\u8981\u6c42(Request)\u90e8\u306f80877103(=04D2162F)\u3001\u3064\u307e\u308a\u30011234(0x04D2)\u30685679(0x162F)\u306e2\u3064\u306e\u30de\u30b8\u30c3\u30af\u30ca\u30f3\u30d0\u30fc\u306e\u56fa\u5b9a\u5024\u306b\u3088\u308b\u8b58\u5225\u3068\u306a\u308a\u307e\u3059\u3002\u3044\u305a\u308c\u306b\u3057\u308d\u3001\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u5f8c\u306e\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u4f8b\u5916\u7684\u306a\u51e6\u7406\u3068\u306a\u308a\u307e\u3059\u3002 \u62e1\u5f35\u30af\u30a8\u30ea\u30fc\u306e\u51e6\u7406\u30d5\u30ed\u30fc PostgreSQL\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u5358\u7d14\u306a\u30af\u30a8\u30ea\u30fc(Simple Query)\u8981\u6c42\u306b\u52a0\u3048\u3066\u3001\u62e1\u5f35\u30af\u30a8\u30ea\u30fc(Extended Query)\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u62e1\u5f35\u30af\u30a8\u30ea\u30fc(Extended Query)\u306f\u3001SQL\u6587\u3092\u8907\u6570\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u5206\u5272\u3057\u3066\u9001\u4fe1\u3059\u308b\u30af\u30a8\u30ea\u30fc\u5f62\u5f0f\u3067\u3059\u3002\u62e1\u5f35\u30af\u30a8\u30ea\u30fc\u306b\u3064\u304d\u3001\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8[4]\u304b\u3089\u4eca\u56de\u5b9f\u88c5\u3057\u3066\u307f\u305f\u3001\u6b63\u5e38\u7cfb\u306e\u4e3b\u8981\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u72b6\u614b\u30de\u30b7\u30f3\u56f3\u3068\u306a\u308a\u307e\u3059\u3002 \u62e1\u5f35\u30af\u30a8\u30ea\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u4e0a\u8a18\u56f3\u306e\u4e00\u9023\u306e\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u73fe\u3055\u308c\u307e\u3059\u304c\u3001\u30d5\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u306e\u5fdc\u7b54\u3092\u5f85\u305f\u305a\u306b\u3001\u4e00\u9023\u306e\u30af\u30a8\u30ea\u3092\u9001\u4fe1\u3059\u308b\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3092\u53ef\u80fd\u3068\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u76ee\u7684\u3068\u3057\u3066\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u5f80\u5fa9\u56de\u6570\u304c\u524a\u6e1b\u304c\u3042\u308a[4]\u3001\u5b9f\u969b\u306e\u5b9f\u88c5\u3067\u3082\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u5074\u304b\u3089\u306e\u5fdc\u7b54\u304c\u7701\u7565\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u30d7\u30ed\u30c8\u30b3\u30eb\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8 PostgreSQL\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5b9f\u88c5\u306b\u304a\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u300cFrontend\/Backend Protocol\u300d\u516c\u5f0f\u8cc7\u6599\u3092\u53c2\u7167\u3057\u306a\u304c\u3089\u4f5c\u696d\u3092\u9032\u3081\u307e\u3059\u3002\u3068\u306f\u8a00\u3048\u3001MySQL\u306e\u3088\u3046\u306b\u53b3\u5bc6\u306a\u5b9a\u7fa9[7][8]\u306f\u306a\u304f\u3001RFC\u5f62\u5f0f\u306e\u3088\u3046\u306a\u5fc5\u9808\u30fb\u63a8\u5968\u30fb\u4efb\u610f\u306e\u5b9a\u7fa9\u3082\u306a\u304f\u3001\u5b9f\u88c5\u306b\u304a\u3044\u3066\u306f\u3001\u89e3\u91c8\u306e\u4f59\u5730\u304c\u3042\u308a\u307e\u3059\u3002&hellip; <\/p>\n","protected":false},"author":1,"featured_media":80,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-79","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/posts\/79","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/comments?post=79"}],"version-history":[{"count":1,"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/posts\/79\/revisions"}],"predecessor-version":[{"id":81,"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/posts\/79\/revisions\/81"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/media\/80"}],"wp:attachment":[{"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/media?parent=79"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/categories?post=79"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cybergarage.org\/memo\/wp-json\/wp\/v2\/tags?post=79"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}