{"id":85239,"date":"2024-03-21T05:24:21","date_gmt":"2024-03-20T20:24:21","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/pl-sql%e3%81%a7blob%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T13:18:35","modified_gmt":"2024-04-05T04:18:35","slug":"pl-sql%e3%81%a7blob%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/pl-sql%e3%81%a7blob%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"PL\/SQL\u3067BLOB\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

PL\/SQL\u3067\u306f\u3001BLOB\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u6b21\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059:<\/p>\n

    \n
  1. DBMS_OUTPUT.PUT_LINE \u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001BLOB \u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u3002<\/li>\n<\/ol>\n
    DECLARE<\/span>\r\n  l_blob BLOB<\/span>;\r\n  l_buffer RAW(32767<\/span>);\r\n  l_amount BINARY_INTEGER :=<\/span> 32767<\/span>;\r\n  l_pos INTEGER<\/span> :=<\/span> 1<\/span>;\r\nBEGIN<\/span>\r\n  -- \u5047\u8bbe\u6709\u4e00\u4e2a\u8868my_table\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2aBLOB\u5217my_blob<\/span>\r\n  SELECT<\/span> my_blob INTO<\/span> l_blob FROM<\/span> my_table WHERE<\/span> ...\r\n\r\n  -- \u4eceBLOB\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5e76\u8f93\u51fa\u5230\u63a7\u5236\u53f0<\/span>\r\n  LOOP\r\n    DBMS_LOB.READ(l_blob, l_amount, l_pos, l_buffer);\r\n    DBMS_OUTPUT.PUT_LINE(UTL_RAW.CAST_TO_VARCHAR2(l_buffer));\r\n    l_pos :=<\/span> l_pos +<\/span> l_amount;\r\n  END<\/span> LOOP;\r\nEND<\/span>;\r\n\/<\/span>\r\n<\/code><\/pre>\n
      \n
    1. \u30d5\u30a1\u30a4\u30eb\u3078BLOB\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080\uff1a<\/li>\n<\/ol>\n
      DECLARE<\/span>\r\n  l_blob BLOB<\/span>;\r\n  l_file UTL_FILE.FILE_TYPE;\r\n  l_buffer RAW(32767<\/span>);\r\n  l_amount BINARY_INTEGER :=<\/span> 32767<\/span>;\r\n  l_pos INTEGER<\/span> :=<\/span> 1<\/span>;\r\nBEGIN<\/span>\r\n  -- \u5047\u8bbe\u6709\u4e00\u4e2a\u8868my_table\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2aBLOB\u5217my_blob<\/span>\r\n  SELECT<\/span> my_blob INTO<\/span> l_blob FROM<\/span> my_table WHERE<\/span> ...\r\n\r\n  -- \u6253\u5f00\u6587\u4ef6<\/span>\r\n  l_file :=<\/span> UTL_FILE.FOPEN('DIRECTORY'<\/span>, 'file_name'<\/span>, 'W'<\/span>);\r\n\r\n  -- \u4eceBLOB\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5e76\u5199\u5165\u6587\u4ef6<\/span>\r\n  LOOP\r\n    DBMS_LOB.READ(l_blob, l_amount, l_pos, l_buffer);\r\n    UTL_FILE.PUT_RAW(l_file, l_buffer, TRUE<\/span>);\r\n    l_pos :=<\/span> l_pos +<\/span> l_amount;\r\n  END<\/span> LOOP;\r\n\r\n  -- \u5173\u95ed\u6587\u4ef6<\/span>\r\n  UTL_FILE.FCLOSE(l_file);\r\nEND<\/span>;\r\n\/<\/span>\r\n<\/code><\/pre>\n
      my_table \u3068 my_blob \u3092\u5b9f\u969b\u306e\u30c6\u30fc\u30d6\u30eb\u540d\u3068 BLOB \u5217\u540d\u306b\u3001\u307e\u305f DIRECTORY \u306f\u5b9f\u969b\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u3001file_name \u306f\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      PL\/SQL\u3067\u306f\u3001BLOB\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u6b21\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059: DBMS_OUTPUT.PUT_LINE \u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001BLOB \u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u3002 DECLARE l_blob BLOB;  […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-85239","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nPL\/SQL\u3067BLOB\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/pl-sql\u3067blob\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PL\/SQL\u3067BLOB\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"PL\/SQL\u3067\u306f\u3001BLOB\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u6b21\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059: DBMS_OUTPUT.PUT_LINE \u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001BLOB \u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u3002 DECLARE l_blob BLOB; 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