{"id":2376,"date":"2025-03-04T20:41:26","date_gmt":"2025-03-04T12:41:26","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2376"},"modified":"2025-03-04T20:41:26","modified_gmt":"2025-03-04T12:41:26","slug":"sqlite-autoincrement%ef%bc%88%e8%87%aa%e5%8a%a8%e9%80%92%e5%a2%9e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/04\/sqlite-autoincrement%ef%bc%88%e8%87%aa%e5%8a%a8%e9%80%92%e5%a2%9e%ef%bc%89\/","title":{"rendered":"SQLite Autoincrement\uff08\u81ea\u52a8\u9012\u589e\uff09"},"content":{"rendered":"\n
\n

\u5728 SQLite \u4e2d\uff0cAUTOINCREMENT<\/code> \u662f\u7528\u4e8e\u5728\u521b\u5efa\u8868\u65f6\u6307\u5b9a\u4e00\u4e2a\u5217\u7684\u7279\u6b8a\u7ea6\u675f\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u751f\u6210\u552f\u4e00\u7684\u6574\u6570\u503c\uff0c\u901a\u5e38\u7528\u4e8e\u8868\u793a\u4e3b\u952e\uff08Primary Key\uff09\u3002AUTOINCREMENT<\/code> \u4e3b\u8981\u4e0e INTEGER PRIMARY KEY<\/code> \u4e00\u8d77\u4f7f\u7528\uff0c\u5b83\u786e\u4fdd\u6bcf\u6b21\u63d2\u5165\u6570\u636e\u65f6\uff0c\u81ea\u52a8\u4e3a\u8be5\u5217\u5206\u914d\u4e00\u4e2a\u65b0\u7684\u3001\u552f\u4e00\u7684\u9012\u589e\u503c\u3002<\/p>\n<\/blockquote>\n\n\n\n

1. AUTOINCREMENT<\/code> \u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n\n\n\n

\u901a\u5e38\uff0c\u5728\u521b\u5efa\u8868\u65f6\uff0c\u5982\u679c\u4f60\u5e0c\u671b\u67d0\u4e2a\u5217\u7684\u503c\u662f\u81ea\u52a8\u9012\u589e\u7684\uff0c\u53ef\u4ee5\u4f7f\u7528 AUTOINCREMENT<\/code> \u5173\u952e\u5b57\u3002\u6700\u5e38\u89c1\u7684\u505a\u6cd5\u662f\u5c06\u5176\u7528\u4e8e PRIMARY KEY<\/code> \u5217\uff0c\u8fd9\u6837\u6bcf\u5f53\u63d2\u5165\u65b0\u884c\u65f6\uff0cSQLite \u4f1a\u81ea\u52a8\u4e3a\u8be5\u5217\u751f\u6210\u4e00\u4e2a\u552f\u4e00\u7684\u6574\u6570\u503c\u3002<\/p>\n\n\n\n

\u793a\u4f8b\uff1a\u521b\u5efa\u4e00\u4e2a\u5305\u542b AUTOINCREMENT<\/code> \u7684\u8868<\/h4>\n\n\n\n
CREATE TABLE users (\n    id INTEGER PRIMARY KEY AUTOINCREMENT,\n    first_name TEXT,\n    last_name TEXT\n);<\/code><\/pre>\n\n\n\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cid<\/code> \u5217\u662f\u4e00\u4e2a\u6574\u6570\u5217\uff0c\u5b83\u4f1a\u81ea\u52a8\u9012\u589e\u3002\u5f53\u63d2\u5165\u4e00\u6761\u65b0\u8bb0\u5f55\u65f6\uff0c\u65e0\u9700\u6307\u5b9a id<\/code> \u7684\u503c\uff0cSQLite \u4f1a\u81ea\u52a8\u4e3a\u5b83\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684\u503c\u3002<\/p>\n\n\n\n
2. \u81ea\u52a8\u9012\u589e\u5217\u7684\u884c\u4e3a<\/h3>\n\n\n\n
    \n
  • \u9012\u589e\u7684\u503c<\/strong>\uff1aAUTOINCREMENT<\/code> \u4f1a\u786e\u4fdd\u6bcf\u6b21\u63d2\u5165\u65b0\u884c\u65f6\uff0cINTEGER PRIMARY KEY<\/code> \u5217\u7684\u503c\u90fd\u6bd4\u4e0a\u4e00\u4e2a\u503c\u5927\uff0c\u4e14\u4e0d\u4f1a\u91cd\u590d\u3002\u5982\u679c AUTOINCREMENT<\/code> \u5217\u7684\u503c\u662f\u6700\u5927\u6574\u6570\u503c\uff089223372036854775807<\/code>\uff09\uff0c\u5219\u4f1a\u53d1\u751f\u6ea2\u51fa\uff0c\u5bfc\u81f4\u63d2\u5165\u5931\u8d25\u3002<\/li>\n\n\n\n
  • \u552f\u4e00\u6027<\/strong>\uff1aAUTOINCREMENT<\/code> \u786e\u4fdd\u6bcf\u4e2a\u81ea\u52a8\u751f\u6210\u7684\u503c\u662f\u552f\u4e00\u7684\uff0c\u5373\u4f7f\u67d0\u4e9b\u884c\u88ab\u5220\u9664\uff0c\u4e4b\u524d\u7684\u503c\u4e5f\u4e0d\u4f1a\u518d\u88ab\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n
    \u793a\u4f8b\uff1a\u63d2\u5165\u6570\u636e<\/h4>\n\n\n\n
    INSERT INTO users (first_name, last_name) VALUES ('John', 'Doe');\nINSERT INTO users (first_name, last_name) VALUES ('Jane', 'Smith');<\/code><\/pre>\n\n\n\n
    \u5728\u8fd9\u4e24\u4e2a\u63d2\u5165\u64cd\u4f5c\u540e\uff0cid<\/code> \u5217\u7684\u503c\u4f1a\u5206\u522b\u662f 1 \u548c 2\uff0cSQLite \u4f1a\u81ea\u52a8\u5206\u914d\u8fd9\u4e9b\u503c\u3002<\/p>\n\n\n\n
    3. AUTOINCREMENT<\/code> \u4e0e INTEGER PRIMARY KEY<\/code> \u7684\u5173\u7cfb<\/h3>\n\n\n\n
      \n
    • \u5982\u679c\u5217\u5b9a\u4e49\u4e3a INTEGER PRIMARY KEY<\/code>\uff0c\u5b83\u672c\u8eab\u5c31\u4f1a\u81ea\u52a8\u9012\u589e\u3002\u5b9e\u9645\u4e0a\uff0c\u4f7f\u7528 AUTOINCREMENT<\/code> \u53ea\u662f\u4e3a\u4e86\u907f\u514d\u56de\u6536\u5df2\u5220\u9664\u884c\u7684 id<\/code> \u503c\u3002<\/li>\n\n\n\n
    • \u4f7f\u7528 AUTOINCREMENT<\/code> \u5f3a\u5236 SQLite \u59cb\u7ec8\u4e3a\u65b0\u63d2\u5165\u7684\u884c\u5206\u914d\u4e00\u4e2a\u65b0\u7684\u3001\u552f\u4e00\u7684\u6574\u6570\u503c\uff0c\u5373\u4f7f\u5148\u524d\u7684\u884c\u88ab\u5220\u9664\u3002<\/li>\n<\/ul>\n\n\n\n
      4. AUTOINCREMENT<\/code> \u548c INSERT<\/code> \u7684\u533a\u522b<\/h3>\n\n\n\n
        \n
      • INTEGER PRIMARY KEY<\/code><\/strong>\uff1a\u5982\u679c\u4f60\u6ca1\u6709\u4f7f\u7528 AUTOINCREMENT<\/code>\uff0cSQLite \u4f1a\u81ea\u52a8\u9009\u62e9\u4e00\u4e2a\u6700\u5927\u7684\u73b0\u6709\u503c\u52a0 1 \u6765\u751f\u6210\u65b0\u7684 ID\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u4f60\u5220\u9664\u67d0\u4e9b\u884c\uff0cSQLite \u53ef\u80fd\u4f1a\u91cd\u65b0\u4f7f\u7528\u5df2\u5220\u9664\u884c\u7684 ID\u3002<\/li>\n\n\n\n
      • AUTOINCREMENT<\/code><\/strong>\uff1a\u5982\u679c\u4f60\u4f7f\u7528 AUTOINCREMENT<\/code>\uff0cSQLite \u6c38\u8fdc\u4e0d\u4f1a\u518d\u4f7f\u7528\u5df2\u5220\u9664\u884c\u7684 ID \u503c\uff0c\u5b83\u4f1a\u786e\u4fdd\u4f7f\u7528\u4e00\u4e2a\u9012\u589e\u7684\u3001\u4ece\u672a\u4f7f\u7528\u8fc7\u7684 ID\u3002<\/li>\n<\/ul>\n\n\n\n
        \u793a\u4f8b\uff1a\u4f7f\u7528 AUTOINCREMENT<\/code> \u548c\u5220\u9664\u8bb0\u5f55<\/h4>\n\n\n\n
        CREATE TABLE orders (\n    order_id INTEGER PRIMARY KEY AUTOINCREMENT,\n    product_name TEXT,\n    quantity INTEGER\n);\n\n-- \u63d2\u5165\u6570\u636e\nINSERT INTO orders (product_name, quantity) VALUES ('Product 1', 10);\nINSERT INTO orders (product_name, quantity) VALUES ('Product 2', 20);\n\n-- \u5220\u9664\u4e00\u884c\nDELETE FROM orders WHERE order_id = 1;\n\n-- \u63d2\u5165\u65b0\u6570\u636e\nINSERT INTO orders (product_name, quantity) VALUES ('Product 3', 30);<\/code><\/pre>\n\n\n\n
        \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0corder_id<\/code> \u5217\u7684\u503c\u4e0d\u4f1a\u518d\u4f7f\u7528\u5df2\u5220\u9664\u7684 ID\u3002\u5373\u4f7f\u5220\u9664\u4e86 order_id = 1<\/code> \u7684\u884c\uff0c\u65b0\u63d2\u5165\u7684\u6570\u636e\u5c06\u83b7\u5f97 order_id = 3<\/code>\uff0c\u800c\u4e0d\u662f\u56de\u5230 1<\/code>\u3002<\/p>\n\n\n\n
        5. \u5173\u952e\u70b9\u603b\u7ed3<\/h3>\n\n\n\n
          \n
        • AUTOINCREMENT<\/code> \u7684\u4f5c\u7528<\/strong>\uff1a\u4e3a INTEGER PRIMARY KEY<\/code> \u5217\u81ea\u52a8\u5206\u914d\u9012\u589e\u7684\u552f\u4e00\u503c\u3002<\/li>\n\n\n\n
        • \u552f\u4e00\u6027<\/strong>\uff1a\u6bcf\u4e2a AUTOINCREMENT<\/code> \u503c\u662f\u552f\u4e00\u7684\uff0c\u4e0d\u4f1a\u91cd\u590d\uff0c\u5373\u4f7f\u67d0\u4e9b\u884c\u88ab\u5220\u9664\u3002<\/li>\n\n\n\n
        • \u4e0e PRIMARY KEY<\/code> \u7684\u533a\u522b<\/strong>\uff1a\u5982\u679c\u53ea\u662f\u4f7f\u7528 INTEGER PRIMARY KEY<\/code>\uff0cSQLite \u4f1a\u9009\u62e9\u6700\u5927\u503c\u52a0 1\uff0c\u800c\u4f7f\u7528 AUTOINCREMENT<\/code> \u5219\u4e0d\u4f1a\u56de\u6536\u5df2\u5220\u9664\u7684 ID \u503c\u3002<\/li>\n\n\n\n
        • \u6027\u80fd<\/strong>\uff1aAUTOINCREMENT<\/code> \u662f\u4e00\u4e2a\u6027\u80fd\u8f83\u597d\u7684\u81ea\u52a8\u9012\u589e\u673a\u5236\uff0c\u4f46\u5982\u679c\u4e0d\u9700\u8981\u4e25\u683c\u907f\u514d\u56de\u6536 ID\uff0c\u53ef\u4ee5\u4e0d\u4f7f\u7528 AUTOINCREMENT<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n
          6. \u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n
            \n
          • \u5982\u679c\u4f60\u4e0d\u9700\u8981\u5b8c\u5168\u907f\u514d\u91cd\u590d\u7684 ID \u503c\uff0c\u53ef\u4ee5\u4e0d\u4f7f\u7528 AUTOINCREMENT<\/code>\uff0cSQLite \u4f1a\u5728\u63d2\u5165\u65b0\u8bb0\u5f55\u65f6\u81ea\u52a8\u9009\u62e9\u6700\u5927\u7684\u73b0\u6709 ID \u503c\u52a0 1\u3002<\/li>\n\n\n\n
          • \u4f7f\u7528 AUTOINCREMENT<\/code> \u53ef\u4ee5\u9632\u6b62 ID \u503c\u7684\u56de\u6536\uff0c\u786e\u4fdd\u6bcf\u4e2a\u63d2\u5165\u7684\u8bb0\u5f55\u90fd\u80fd\u5206\u914d\u5230\u552f\u4e00\u4e14\u9012\u589e\u7684\u503c\uff0c\u4f46\u5b83\u53ef\u80fd\u4f1a\u5360\u7528\u66f4\u591a\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n
            \u901a\u8fc7\u5408\u7406\u4f7f\u7528 AUTOINCREMENT<\/code>\uff0c\u53ef\u4ee5\u7b80\u5316\u6570\u636e\u5e93\u8868\u7684\u8bbe\u8ba1\uff0c\u5c24\u5176\u662f\u5904\u7406\u4e3b\u952e\u65f6\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u786e\u4fdd\u6bcf\u4e2a\u8bb0\u5f55\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u4e14\u9012\u589e\u7684\u6807\u8bc6\u7b26\u3002\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5728 SQLite \u4e2d\uff0cAUTOINCREMENT \u662f\u7528\u4e8e\u5728\u521b\u5efa\u8868\u65f6\u6307\u5b9a\u4e00\u4e2a\u5217\u7684\u7279\u6b8a\u7ea6\u675f\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u751f\u6210\u552f\u4e00\u7684\u6574 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-2376","post","type-post","status-publish","format-standard","hentry","category-sqlite"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2376"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2376\/revisions"}],"predecessor-version":[{"id":2377,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2376\/revisions\/2377"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}