{"id":624,"date":"2007-07-12T03:33:14","date_gmt":"2007-07-11T18:33:14","guid":{"rendered":"http:\/\/www.kazu.tv\/blog\/?p=624"},"modified":"2007-07-12T03:33:14","modified_gmt":"2007-07-11T18:33:14","slug":"jdbc","status":"publish","type":"post","link":"https:\/\/kazu.tv\/blog\/2007\/07\/12\/jdbc\/","title":{"rendered":"JDBC\u3067\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3"},"content":{"rendered":"<p>\u968f\u5206\u524d\u3060\u3051\u3069\u3001Java + DB\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u672c\u683c\u7684\u306b\u643a\u308f\u308a\u59cb\u3081\u305f\u6642\u3001JDBC\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4f7f\u3044\u65b9\u304c\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u3002\u3051\u3069\u3001\u5206\u304b\u3063\u3061\u3083\u3048\u3070\u7c21\u5358\u3060\u3063\u305f\u3002<br \/>\nConnection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066setAutoCommit(false)\u3092\u5b9f\u884c\u3057\u3066\u3001\u6700\u5f8c\u306bcommit()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3076\u4ee5\u5916\u306f\u901a\u5e38\u306eDB\u306b\u5bfe\u3059\u308b\u51e6\u7406\u3068\u4e00\u7dd2\u3002<br \/>\n\u3053\u3093\u306a\u7c21\u5358\u306a\u60c5\u5831\u3092\u63a2\u3059\u306e\u306b\u7d50\u69cb\u6642\u9593\u304c\u304b\u304b\u3063\u305f\u6c17\u304c\u3059\u308b\u3002\u968f\u5206\u524d\u306e\u8a71\u3060\u3063\u305f\u304b\u3089\u304b\u306a\u3002\u4eca\u306f\u7c21\u5358\u306a\u89e3\u8aac\u30da\u30fc\u30b8\uff08\u3053\u3093\u306a<a href=\"http:\/\/www.hellohiro.com\/jdbctransaction.htm\" target>\u30da\u30fc\u30b8<\/a>\u3068\u304b\uff09\u304c\u3044\u304f\u3089\u3067\u3082\u898b\u3064\u304b\u308b\u306e\u306b\u3002<br \/>\n\u8a73\u3057\u304f\u306fSun\u306e\u3053\u306e<a href=\"http:\/\/java.sun.com\/docs\/books\/tutorial\/jdbc\/basics\/transactions.html\" target=\"_blank\">\u30da\u30fc\u30b8<\/a>\u3068\u304b\u82f1\u8a9e\u3060\u3051\u3069\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3068\u304b\u306f\u53c2\u8003\u306b\u306a\u308b\u3068\u601d\u3046\u3002\u65e5\u672c\u8a9e\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u3069\u3053\u3060\u308d\uff1f<\/p>\n<p><!--more--><br \/>\n\u305d\u306e\u4ed6\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u306f\u76f4\u63a5\u95a2\u4fc2\u306a\u3044\u3051\u3069\u3001Statement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306fexecuteBatch\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u3063\u3066\u3001\u8907\u6570\u306eSQL\u3092\u4e00\u62ec\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002@IT\u306e<a href=\"http:\/\/www.atmarkit.co.jp\/fjava\/javatips\/027jspservlet018.html\" target=\"_blank\">\u30da\u30fc\u30b8<\/a>\u3002<br \/>\n\u4eca\u958b\u767a\u3057\u3066\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u72ec\u81ea\u306eDB\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30ea\u30f3\u30b0\u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u308b\u3093\u3060\u3051\u3069\u3001PreparedStatement\u3082\u305d\u306e\u30af\u30e9\u30b9\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u304a\u308b\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u9055\u3044\u306e\u540c\u3058SQL\uff08UPDATE\uff09\u3092\u5b9f\u884c\u3059\u308b\u6642\u306b\u306f\u3053\u308c\u3092\u3053\u308c\u3092\u4f7f\u3063\u3066\u308b\u3002\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305fCSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067DB\u306b\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u5834\u5408\u3068\u304b\u3002<br \/>\n\u7591\u4f3cJava\u30b3\u30fc\u30c9\u306f\u3053\u3093\u306a\u611f\u3058\u3002\u4f8b\u5916\u51e6\u7406\u7701\u7565<\/p>\n<div class=\"code\">\/\/MyConnection\u30af\u30e9\u30b9\u306f\u72ec\u81ea\u306eConnection\u30af\u30e9\u30b9\u306e\u30e9\u30c3\u30d1\u30fc<br \/>\nMyConnection = myConn = ConnPool.getMyConn();<br \/>\nConnection conn = myConn.getConn();<br \/>\n\/\/\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30ea\u30f3\u30b0\u30af\u30e9\u30b9\u304b\u3089PreparedStatement\u3092\u53d6\u5f97<br \/>\n\/\/\u4f8b\u3048\u3070 &#8220;INSERT INTO tbl (username, password) VALUES(?,?)&#8221;<br \/>\n\/\/ \u307f\u305f\u3044\u306aSQL\u6587\u304cPreparedStatement\u306e\u5b9f\u969b\u306eSQL\u3060\u3068\u3059\u308b<br \/>\nPreparedStatemsnt pstmt = myConn.getPstmt(&#8220;insert1line&#8221;);<br \/>\n\/\/ CSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406<br \/>\n\/\/ \u3053\u306e\u6642\u70b9\u3067CSV\u30d5\u30a1\u30a4\u30eb\u306f\u30d1\u30fc\u30b9\u6e08\u307f\u3067\u3001<br \/>\n\/\/ \u30c7\u30fc\u30bf\u30af\u30e9\u30b9&#8221;csv&#8221;\u306b\u4f7f\u3044\u3084\u3059\u3044\u5f62\u3067\u4e2d\u8eab\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\nwhile (csv.hasNext()) {<br \/>\n\/\/1\u884c\u53d6\u5f97<br \/>\nCsvLine aLine = csv.next();<br \/>\n\/\/\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u53d6\u5f97\uff06\u30bb\u30c3\u30c8<br \/>\nObject[] params = csv.getParams();<br \/>\nfor(int i=0; i<params.length; i++) {\npstmt.setObject(params[i]);\n}\n\/\/\u30d0\u30c3\u30c1\u30ad\u30e5\u30fc\u306b\u8ffd\u52a0\npstmt.addBatch();\n}\n\/\/\u30d0\u30c3\u30c1\u3092\u5b9f\u884c\npstmt.executeBatch();\n\/\/\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u30d7\u30fc\u30eb\u306b\u623b\u3059\nmyConn.release();<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u968f\u5206\u524d\u3060\u3051\u3069\u3001Java + DB\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u672c\u683c\u7684\u306b\u643a\u308f\u308a\u59cb\u3081\u305f\u6642\u3001JDBC\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4f7f\u3044\u65b9\u304c\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u3002\u3051\u3069\u3001\u5206\u304b\u3063\u3061\u3083\u3048\u3070\u7c21\u5358\u3060\u3063\u305f\u3002 Connection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066setAutoCommi&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[60],"tags":[107,108,109,953,110,111],"class_list":["post-624","post","type-post","status-publish","format-standard","hentry","category-java","tag-commit","tag-connection","tag-executebatch","tag-java","tag-jdbc","tag-setautocommit"],"_links":{"self":[{"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/posts\/624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/comments?post=624"}],"version-history":[{"count":0,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/posts\/624\/revisions"}],"wp:attachment":[{"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/media?parent=624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/categories?post=624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/tags?post=624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}