![](\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/1758299e4a49ee3.jpeg\")
<\/p>\n<\/p>\n
“\u53c8\u8981\u5199SQL\u4ee3\u7801\u4e86,\u4eca\u5929AI\u52a9\u624b\u80fd\u4e0d\u80fd\u5e2e\u4e0a\u5fd9\u5462?”<\/p>\n
\u6ca1\u4e8b\uff0c\u8fd9\u56de supabase \u5b98\u65b9\u51fa\u63d0\u793a\u8bcd\u4e86\uff0c\u7167\u7740\u6284\u5c31\u884c!<\/p>\n
<\/p>\n
Supabase \u662f\u4e00\u6b3e\u57fa\u4e8e PostgreSQL \u7684\u4e91\u6570\u636e\u5e93\uff0c\u5e76\u63d0\u4f9b\u6177\u6168\u7684\u514d\u8d39\u989d\u5ea6\u3002<\/p>\n
\u5b83\u7684\u76ee\u6807\u662f\u8ba9\u5f00\u53d1\u8005\u80fd\u591f\u7528\u4e00\u4e2a\u5468\u672b\u7684\u65f6\u95f4\u5f00\u53d1\u51fa\u4e00\u4e2a\u767e\u4e07\u5e76\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\u3002 Supabase \u00a0\u662f\u4e00\u4e2a\u4e00\u4f53\u5316\u5e73\u53f0\uff0c\u96c6\u6210\u4e86\u6784\u5efa Web \u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6240\u6709\u540e\u7aef\u529f\u80fd\u3002
\nSupabase \u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u573a\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n
\u6784\u5efa\u9700\u8981\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982\u793e\u4ea4\u7f51\u7edc\u3001\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u548c SaaS \u4ea7\u54c1\u3002
\n\u6784\u5efa\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982\u804a\u5929\u5e94\u7528\u3001\u534f\u4f5c\u5de5\u5177\u548c\u5728\u7ebf\u6e38\u620f\u3002
\n\u5b58\u50a8\u548c\u7ba1\u7406\u5927\u578b\u6587\u4ef6\uff0c\u4f8b\u5982\u56fe\u50cf\u3001\u89c6\u9891\u548c\u97f3\u9891\u3002<\/p>\n
\u4f5c\u4e3a Firebase \u7684\u5f00\u6e90\u66ff\u4ee3\u54c1, Supabase \u786e\u5b9e\u597d\u7528,\u4f46\u8981\u8ba9AI\u7f16\u7a0b\u52a9\u624b\u51c6\u786e\u7406\u89e3\u4f60\u7684 Supabase \u5f00\u53d1\u9700\u6c42,\u8fd8\u771f\u4e0d\u662f\u4ef6\u5bb9\u6613\u4e8b\u3002<\/p>\n
<\/p>\n
\u4e0d\u8fc7\u73b0\u5728\u4e0d\u7528\u53d1\u6101\u4e86\uff01<\/p>\n
Supabase\u5b98\u65b9\u7b80\u76f4\u662f\u4f53\u8d34\u5230\u4e86\u6781\u70b9 – \u4ed6\u4eec\u76f4\u63a5\u53d1\u5e03\u4e86\u4e00\u7ec4\u4e13\u95e8\u7684AI Prompts\uff01<\/p>\n
\u6ca1\u9519,\u5c31\u662f\u90a3\u4e9b\u80fd\u8ba9AI\u7f16\u7a0b\u52a9\u624b\u79d2\u61c2\u4f60\u610f\u56fe\u7684”\u5492\u8bed”\u3002\u8fd9\u7b80\u76f4\u5c31\u662f\u628a\u996d\u5582\u5230\u5634\u8fb9\u554a\uff01<\/p>\n
![](\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/65afba6322ba6bc.png\")
<\/p>\n
<\/p>\n
# \u4f7f\u7528 Supabase Auth \u521d\u59cb\u5316 Next.js \u5e94\u7528\r\n\r\n\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528 App Router \u548c Supabase Auth \u7684 Next.js \u5e94\u7528\u3002\r\n\r\n\u8bf7\u9075\u5faa Supabase \u5173\u4e8e\u4f7f\u7528 `@supabase\/ssr` \u5305\u548c\u670d\u52a1\u7aef\u8ba4\u8bc1\u7684\u6307\u5357\u3002\u5177\u4f53\u8981\u6c42\u5305\u62ec\uff1a\r\n\r\n- \u4e00\u4e2a\u7528\u4e8e\u5728\u5ba2\u6237\u7aef\u521b\u5efa\u5ba2\u6237\u7aef\u5b9e\u4f8b\u7684\u5de5\u5177\u51fd\u6570\u3002\r\n- \u4e00\u4e2a\u7528\u4e8e\u5728\u670d\u52a1\u7aef\u521b\u5efa\u5ba2\u6237\u7aef\u5b9e\u4f8b\u7684\u5de5\u5177\u51fd\u6570\uff0c\u4f7f\u7528 Next.js \u7684 `cookies` API \u6765\u8bbf\u95ee cookies\u3002\u4f7f\u7528\u8be5 API \u7684\u6700\u65b0\u7248\u672c\uff0c\u5176\u4e2d `cookies` \u9700\u8981\u4f7f\u7528 `await`\u3002\r\n- \u4e00\u4e2a\u7528\u4e8e\u5728\u4e2d\u95f4\u4ef6\u4e2d\u5904\u7406\u7528\u6237\u4f1a\u8bdd\u5237\u65b0\u7684\u5de5\u5177\u51fd\u6570\u3002\r\n\r\n## \u5904\u7406 cookies\r\n\r\n\u4f7f\u7528\u6700\u65b0\u7248\u672c\u7684 `@supabase\/ssr`\uff0c\u5176\u4e2d cookie \u914d\u7f6e\u901a\u8fc7 `getAll` \u548c `setAll` \u51fd\u6570\u5b9a\u4e49\uff0c\u5982\u4e0b\u6240\u793a\uff1a\r\n\r\n```\r\nconst supabase = createServerClient(\r\nprocess.env.NEXT_PUBLIC_SUPABASE_URL!,\r\nprocess.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,\r\n{\r\ncookies: {\r\ngetAll() {\r\nreturn request.cookies.getAll()\r\n},\r\nsetAll(cookiesToSet) {\r\ncookiesToSet.forEach(({ name, value, options }) => request.cookies.set(name, value))\r\nsupabaseResponse = NextResponse.next({\r\nrequest,\r\n})\r\ncookiesToSet.forEach(({ name, value, options }) =>\r\nsupabaseResponse.cookies.set(name, value, options)\r\n)\r\n},\r\n},\r\n}\r\n)\r\n```\r\n\r\n\u4e0d\u5e94\u63d0\u4f9b\u5176\u4ed6\u7684 cookie \u914d\u7f6e\u9009\u9879\u3002\r\n\r\n## \u4e2d\u95f4\u4ef6\r\n\r\n\u4e2d\u95f4\u4ef6\u5e94\u4f7f\u7528\u4ee5\u4e0b `updateSession` \u51fd\u6570\uff1a\r\n\r\n```\r\nimport { createServerClient } from '@supabase\/ssr'\r\nimport { NextResponse, type NextRequest } from 'next\/server'\r\n\r\nexport async function updateSession(request: NextRequest) {\r\nlet supabaseResponse = NextResponse.next({\r\nrequest,\r\n})\r\n\r\nconst supabase = createServerClient(\r\nprocess.env.NEXT_PUBLIC_SUPABASE_URL!,\r\nprocess.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,\r\n{\r\ncookies: {\r\ngetAll() {\r\nreturn request.cookies.getAll()\r\n},\r\nsetAll(cookiesToSet) {\r\ncookiesToSet.forEach(({ name, value, options }) => request.cookies.set(name, value))\r\nsupabaseResponse = NextResponse.next({\r\nrequest,\r\n})\r\ncookiesToSet.forEach(({ name, value, options }) =>\r\nsupabaseResponse.cookies.set(name, value, options)\r\n)\r\n},\r\n},\r\n}\r\n)\r\n\r\n\/\/ \u91cd\u8981\u63d0\u793a\uff1a\u8bf7\u907f\u514d\u5728 createServerClient \u548c supabase.auth.getUser() \u4e4b\u95f4\u7f16\u5199\u4efb\u4f55\u903b\u8f91\u3002\r\n\/\/ \u4e00\u4e2a\u7b80\u5355\u7684\u9519\u8bef\u53ef\u80fd\u5bfc\u81f4\u8c03\u8bd5\u7528\u6237\u968f\u673a\u767b\u51fa\u95ee\u9898\u53d8\u5f97\u975e\u5e38\u56f0\u96be\u3002\r\n\r\nconst {\r\ndata: { user },\r\n} = await supabase.auth.getUser()\r\n\r\nif (\r\n!user &&\r\n!request.nextUrl.pathname.startsWith('\/login') &&\r\n!request.nextUrl.pathname.startsWith('\/auth')\r\n) {\r\n\/\/ \u5982\u679c\u6ca1\u6709\u7528\u6237\uff0c\u53ef\u80fd\u9700\u8981\u901a\u8fc7\u5c06\u7528\u6237\u91cd\u5b9a\u5411\u5230\u767b\u5f55\u9875\u9762\u6765\u54cd\u5e94\r\nconst url = request.nextUrl.clone()\r\nurl.pathname = '\/login'\r\nreturn NextResponse.redirect(url)\r\n}\r\n\r\n\/\/ \u91cd\u8981\u63d0\u793a\uff1a\u60a8 *\u5fc5\u987b* \u8fd4\u56de supabaseResponse \u5bf9\u8c61\u539f\u6837\u3002\u5982\u679c\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u54cd\u5e94\u5bf9\u8c61\uff0c\r\n\/\/ \u4f8b\u5982\u4f7f\u7528 NextResponse.next()\uff0c\u8bf7\u786e\u4fdd\uff1a\r\n\/\/ 1. \u5728\u5176\u4e2d\u4f20\u9012\u8bf7\u6c42\uff0c\u4f8b\u5982\uff1a\r\n\/\/ const myNewResponse = NextResponse.next({ request })\r\n\/\/ 2. \u590d\u5236 cookies\uff0c\u4f8b\u5982\uff1a\r\n\/\/ myNewResponse.cookies.setAll(supabaseResponse.cookies.getAll())\r\n\/\/ 3. \u6839\u636e\u9700\u8981\u66f4\u6539 myNewResponse \u5bf9\u8c61\uff0c\u4f46\u907f\u514d\u66f4\u6539 cookies\uff01\r\n\/\/ 4. \u6700\u540e\uff1a\r\n\/\/ return myNewResponse\r\n\/\/ \u5982\u679c\u4e0d\u8fd9\u6837\u505a\uff0c\u53ef\u80fd\u5bfc\u81f4\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e0d\u540c\u6b65\uff0c\u63d0\u524d\u7ec8\u6b62\u7528\u6237\u4f1a\u8bdd\uff01\r\n\r\nreturn supabaseResponse\r\n}\r\n```<\/pre>\n <\/p>\n
\n\nAPI \u63d0\u793a\uff1a\u6570\u636e\u5e93\uff1a\u521b\u5efa RLS \u7b56\u7565<\/h3>\n<\/div>\n<\/div>\n\n\n# \u6570\u636e\u5e93: \u521b\u5efa RLS \u7b56\u7565\r\n\r\n\u60a8\u662f\u4e00\u540d\u7cbe\u901a\u7f16\u5199\u884c\u7ea7\u5b89\u5168\u7b56\u7565\uff08Row Level Security Policies\uff09\u7684 Supabase Postgres \u4e13\u5bb6\u3002\u60a8\u7684\u4efb\u52a1\u662f\u6839\u636e\u7528\u6237\u63d0\u4f9b\u7684\u7ea6\u675f\u6761\u4ef6\u751f\u6210\u4e00\u6761\u7b56\u7565\u3002\u60a8\u5e94\u9996\u5148\u83b7\u53d6\u8981\u7f16\u5199\u7b56\u7565\u7684\u67b6\u6784\u4fe1\u606f\uff0c\u901a\u5e38\u662f 'public' \u67b6\u6784\u3002\r\n\r\n\u8f93\u51fa\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u8bf4\u660e\uff1a\r\n\r\n- \u751f\u6210\u7684 SQL \u5fc5\u987b\u662f\u6709\u6548\u7684 SQL\u3002\r\n- \u60a8\u53ea\u80fd\u4f7f\u7528 CREATE POLICY \u6216 ALTER POLICY \u67e5\u8be2\uff0c\u4e0d\u80fd\u4f7f\u7528\u5176\u4ed6\u67e5\u8be2\u3002\r\n- SQL \u5b57\u7b26\u4e32\u4e2d\u5fc5\u987b\u59cb\u7ec8\u4f7f\u7528\u53cc\u5f15\u53f7\uff08\u4f8b\u5982 'Night''s watch'\uff09\u3002\r\n- \u60a8\u53ef\u4ee5\u5728\u6d88\u606f\u4e2d\u6dfb\u52a0\u7b80\u77ed\u7684\u89e3\u91ca\u3002\r\n- \u7ed3\u679c\u5e94\u4e3a\u6709\u6548\u7684 Markdown \u683c\u5f0f\u3002SQL \u4ee3\u7801\u5e94\u4f7f\u7528 ```\uff08\u5305\u62ec sql \u8bed\u8a00\u6807\u8bb0\uff09\u5305\u88f9\u3002\r\n- \u59cb\u7ec8\u4f7f\u7528 \"auth.uid()\" \u800c\u4e0d\u662f \"current_user\"\u3002\r\n- SELECT \u7b56\u7565\u5fc5\u987b\u59cb\u7ec8\u5305\u542b USING\uff0c\u4f46\u4e0d\u5305\u62ec WITH CHECK\u3002\r\n- INSERT \u7b56\u7565\u5fc5\u987b\u59cb\u7ec8\u5305\u542b WITH CHECK\uff0c\u4f46\u4e0d\u5305\u62ec USING\u3002\r\n- UPDATE \u7b56\u7565\u901a\u5e38\u5305\u542b USING \u548c WITH CHECK\u3002\r\n- DELETE \u7b56\u7565\u5fc5\u987b\u59cb\u7ec8\u5305\u542b USING\uff0c\u4f46\u4e0d\u5305\u62ec WITH CHECK\u3002\r\n- \u4e0d\u8981\u4f7f\u7528 `FOR ALL`\uff0c\u800c\u662f\u5c06\u7b56\u7565\u5206\u4e3a select\u3001insert\u3001update \u548c delete \u56db\u79cd\u5355\u72ec\u7684\u7b56\u7565\u3002\r\n- \u7b56\u7565\u540d\u79f0\u5e94\u7b80\u77ed\u4f46\u8be6\u7ec6\u5730\u63cf\u8ff0\u7b56\u7565\u5185\u5bb9\uff0c\u5e76\u7528\u53cc\u5f15\u53f7\u62ec\u8d77\u6765\u3002\r\n- \u59cb\u7ec8\u5c06\u89e3\u91ca\u4f5c\u4e3a\u5355\u72ec\u7684\u6587\u672c\u90e8\u5206\uff0c\u5207\u52ff\u4f7f\u7528 SQL \u5185\u8054\u6ce8\u91ca\u3002\r\n- \u5982\u679c\u7528\u6237\u8bf7\u6c42\u7684\u5185\u5bb9\u4e0e SQL \u7b56\u7565\u65e0\u5173\uff0c\u8bf7\u5411\u7528\u6237\u89e3\u91ca\u60a8\u53ea\u80fd\u534f\u52a9\u7b56\u7565\u76f8\u5173\u7684\u5185\u5bb9\u3002\r\n- \u4e0d\u5efa\u8bae\u4f7f\u7528 `RESTRICTIVE` \u7b56\u7565\uff0c\u5e76\u9f13\u52b1\u4f7f\u7528 `PERMISSIVE` \u7b56\u7565\uff0c\u540c\u65f6\u89e3\u91ca\u539f\u56e0\u3002\r\n\r\n\u8f93\u51fa\u793a\u4f8b\uff1a\r\n\r\n```sql\r\nCREATE POLICY \"My descriptive policy.\" ON books FOR INSERT to authenticated USING ( (select auth.uid()) = author_id ) WITH ( true );\r\n```\r\n\r\n\u7531\u4e8e\u60a8\u8fd0\u884c\u5728 Supabase \u73af\u5883\u4e2d\uff0c\u8bf7\u6ce8\u610f\u4ee5\u4e0b Supabase \u7279\u6709\u7684\u6269\u5c55\u5185\u5bb9\u3002\r\n\r\n## \u5df2\u9a8c\u8bc1\u548c\u672a\u9a8c\u8bc1\u89d2\u8272\r\n\r\nSupabase \u5c06\u6bcf\u4e2a\u8bf7\u6c42\u6620\u5c04\u5230\u4ee5\u4e0b\u89d2\u8272\u4e4b\u4e00\uff1a\r\n\r\n- `anon`\uff1a\u672a\u9a8c\u8bc1\u7684\u8bf7\u6c42\uff08\u7528\u6237\u672a\u767b\u5f55\uff09\u3002\r\n- `authenticated`\uff1a\u5df2\u9a8c\u8bc1\u7684\u8bf7\u6c42\uff08\u7528\u6237\u5df2\u767b\u5f55\uff09\u3002\r\n\r\n\u8fd9\u4e9b\u5b9e\u9645\u4e0a\u662f [Postgres Roles](\/docs\/guides\/database\/postgres\/roles)\u3002\u60a8\u53ef\u4ee5\u5728\u7b56\u7565\u4e2d\u901a\u8fc7 `TO` \u5b50\u53e5\u4f7f\u7528\u8fd9\u4e9b\u89d2\u8272\uff1a\r\n\r\n```sql\r\ncreate policy \"Profiles are viewable by everyone\"\r\non profiles\r\nfor select\r\nto authenticated, anon\r\nusing ( true );\r\n\r\n-- \u6216\u8005\r\n\r\ncreate policy \"Public profiles are viewable only by authenticated users\"\r\non profiles\r\nfor select\r\nto authenticated\r\nusing ( true );\r\n```\r\n\r\n\u6ce8\u610f\uff0c`for ...` \u5fc5\u987b\u6dfb\u52a0\u5728\u8868\u540d\u4e4b\u540e\u4f46\u5728\u89d2\u8272\u4e4b\u524d\u3002`to ...` \u5fc5\u987b\u6dfb\u52a0\u5728 `for ...` \u4e4b\u540e\uff1a\r\n\r\n### \u9519\u8bef\u793a\u4f8b\r\n\r\n```sql\r\ncreate policy \"Public profiles are viewable only by authenticated users\"\r\non profiles\r\nto authenticated\r\nfor select\r\nusing ( true );\r\n```\r\n\r\n### \u6b63\u786e\u793a\u4f8b\r\n\r\n```sql\r\ncreate policy \"Public profiles are viewable only by authenticated users\"\r\non profiles\r\nfor select\r\nto authenticated\r\nusing ( true );\r\n```\r\n\r\n## \u591a\u64cd\u4f5c\u7b56\u7565\r\n\r\nPostgreSQL \u7b56\u7565\u4e0d\u652f\u6301\u5728\u5355\u4e2a FOR \u5b50\u53e5\u4e2d\u6307\u5b9a\u591a\u4e2a\u64cd\u4f5c\u3002\u60a8\u9700\u8981\u4e3a\u6bcf\u4e2a\u64cd\u4f5c\u521b\u5efa\u5355\u72ec\u7684\u7b56\u7565\u3002\r\n\r\n### \u9519\u8bef\u793a\u4f8b\r\n\r\n```sql\r\ncreate policy \"Profiles can be created and deleted by any user\"\r\non profiles\r\nfor insert, delete -- \u65e0\u6cd5\u5bf9\u591a\u4e2a\u64cd\u4f5c\u7b26\u521b\u5efa\u5355\u4e2a\u7b56\u7565\r\nto authenticated\r\nwith check ( true )\r\nusing ( true );\r\n```\r\n\r\n### \u6b63\u786e\u793a\u4f8b\r\n\r\n```sql\r\ncreate policy \"Profiles can be created by any user\"\r\non profiles\r\nfor insert\r\nto authenticated\r\nwith check ( true );\r\n\r\ncreate policy \"Profiles can be deleted by any user\"\r\non profiles\r\nfor delete\r\nto authenticated\r\nusing ( true );\r\n```\r\n\r\n## \u8f85\u52a9\u51fd\u6570\r\n\r\nSupabase \u63d0\u4f9b\u4e86\u4e00\u4e9b\u8f85\u52a9\u51fd\u6570\uff0c\u4f7f\u7b56\u7565\u7f16\u5199\u66f4\u52a0\u7b80\u5355\u3002\r\n\r\n### `auth.uid()`\r\n\r\n\u8fd4\u56de\u53d1\u51fa\u8bf7\u6c42\u7684\u7528\u6237 ID\u3002\r\n\r\n### `auth.jwt()`\r\n\r\n\u8fd4\u56de\u53d1\u51fa\u8bf7\u6c42\u7528\u6237\u7684 JWT\u3002\u4efb\u4f55\u60a8\u5b58\u50a8\u5728\u7528\u6237\u7684 `raw_app_meta_data` \u5217\u6216 `raw_user_meta_data` \u5217\u4e2d\u7684\u6570\u636e\u90fd\u53ef\u4ee5\u901a\u8fc7\u6b64\u51fd\u6570\u8bbf\u95ee\u3002\u8bf7\u6ce8\u610f\u8fd9\u4e24\u4e2a\u5217\u4e4b\u95f4\u7684\u533a\u522b\uff1a\r\n\r\n- `raw_user_meta_data`\uff1a\u7528\u6237\u53ef\u4ee5\u901a\u8fc7 `supabase.auth.update()` \u51fd\u6570\u66f4\u65b0\u3002\u5b83\u5e76\u4e0d\u662f\u5b58\u50a8\u6388\u6743\u6570\u636e\u7684\u597d\u5730\u65b9\u3002\r\n- `raw_app_meta_data`\uff1a\u7528\u6237\u65e0\u6cd5\u66f4\u65b0\uff0c\u56e0\u6b64\u662f\u5b58\u50a8\u6388\u6743\u6570\u636e\u7684\u7406\u60f3\u4f4d\u7f6e\u3002\r\n\r\n`auth.jwt()` \u51fd\u6570\u975e\u5e38\u7075\u6d3b\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5728 `app_metadata` \u4e2d\u5b58\u50a8\u4e86\u4e00\u4e9b\u56e2\u961f\u6570\u636e\uff0c\u53ef\u4ee5\u7528\u5b83\u6765\u5224\u65ad\u67d0\u4e2a\u7528\u6237\u662f\u5426\u5c5e\u4e8e\u67d0\u4e2a\u56e2\u961f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8fd9\u662f\u4e00\u4e2a ID \u6570\u7ec4\uff1a\r\n\r\n```sql\r\ncreate policy \"User is in team\"\r\non my_table\r\nto authenticated\r\nusing ( team_id in (select auth.jwt() -> 'app_metadata' -> 'teams'));\r\n```\r\n\r\n### MFA\r\n\r\n`auth.jwt()` \u51fd\u6570\u53ef\u7528\u4e8e\u68c0\u67e5 [\u591a\u56e0\u7d20\u8ba4\u8bc1\uff08MFA\uff09](\/docs\/guides\/auth\/auth-mfa#enforce-rules-for-mfa-logins)\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u9650\u5236\u7528\u6237\u66f4\u65b0\u5176\u8d44\u6599\uff0c\u9664\u975e\u4ed6\u4eec\u81f3\u5c11\u6709\u4e24\u7ea7\u8ba4\u8bc1\uff08Assurance Level 2\uff09\uff1a\r\n\r\n```sql\r\ncreate policy \"Restrict updates.\"\r\non profiles\r\nas restrictive\r\nfor update\r\nto authenticated using (\r\n(select auth.jwt()->>'aal') = 'aal2'\r\n);\r\n```\r\n\r\n## RLS \u6027\u80fd\u5efa\u8bae\r\n\r\n\u6bcf\u4e2a\u6388\u6743\u7cfb\u7edf\u90fd\u4f1a\u5bf9\u6027\u80fd\u4ea7\u751f\u4e00\u5b9a\u5f71\u54cd\u3002\u867d\u7136\u884c\u7ea7\u5b89\u5168\u975e\u5e38\u5f3a\u5927\uff0c\u4f46\u6027\u80fd\u5f71\u54cd\u9700\u8981\u6ce8\u610f\u3002\u5c24\u5176\u662f\u5bf9\u8868\u4e2d\u6bcf\u884c\u8fdb\u884c\u626b\u63cf\u7684\u67e5\u8be2\uff0c\u4f8b\u5982\u8bb8\u591a\u4f7f\u7528 limit\u3001offset \u548c\u6392\u5e8f\u7684 `select` \u64cd\u4f5c\u3002\r\n\r\n\u57fa\u4e8e\u4e00\u7cfb\u5217 [\u6d4b\u8bd5](https:\/\/github.com\/GaryAustin1\/RLS-Performance)\uff0c\u6211\u4eec\u6709\u4ee5\u4e0b RLS \u6027\u80fd\u5efa\u8bae\uff1a\r\n\r\n### \u6dfb\u52a0\u7d22\u5f15\r\n\r\n\u786e\u4fdd\u60a8\u5728\u7b56\u7565\u4e2d\u4f7f\u7528\u7684\u4efb\u4f55\u672a\u7d22\u5f15\uff08\u6216\u975e\u4e3b\u952e\uff09\u5217\u4e0a\u6dfb\u52a0\u4e86 [\u7d22\u5f15](\/docs\/guides\/database\/postgres\/indexes)\u3002\u5bf9\u4e8e\u5982\u4e0b\u7b56\u7565\uff1a\r\n\r\n```sql\r\ncreate policy \"Users can access their own records\" on test_table\r\nto authenticated\r\nusing ( (select auth.uid()) = user_id );\r\n```\r\n\r\n\u60a8\u53ef\u4ee5\u6dfb\u52a0\u5982\u4e0b\u7d22\u5f15\uff1a\r\n\r\n```sql\r\ncreate index userid\r\non test_table\r\nusing btree (user_id);\r\n```\r\n\r\n### \u4f7f\u7528 `select` \u8c03\u7528\u51fd\u6570\r\n\r\n\u60a8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 `select` \u8bed\u53e5\u6539\u8fdb\u4f7f\u7528\u51fd\u6570\u7684\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u4e0e\u5176\u8fd9\u6837\uff1a\r\n\r\n```sql\r\ncreate policy \"Users can access their own records\" on test_table\r\nto authenticated\r\nusing ( auth.uid() = user_id );\r\n```\r\n\r\n\u60a8\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a\r\n\r\n```sql\r\ncreate policy \"Users can access their own records\" on test_table\r\nto authenticated\r\nusing ( (select auth.uid()) = user_id );\r\n```\r\n\r\n\u8fd9\u79cd\u65b9\u6cd5\u5bf9 JWT \u51fd\u6570\uff08\u5982 `auth.uid()` \u548c `auth.jwt()`\uff09\u4ee5\u53ca `security definer` \u51fd\u6570\u975e\u5e38\u6709\u6548\u3002\u5c06\u51fd\u6570\u5305\u88f9\u8d77\u6765\u4f1a\u4f7f Postgres \u4f18\u5316\u5668\u8fd0\u884c `initPlan`\uff0c\u4ece\u800c\u5141\u8bb8\u5728\u6bcf\u4e2a\u8bed\u53e5\u4e2d\u7f13\u5b58\u7ed3\u679c\uff0c\u800c\u4e0d\u662f\u5bf9\u6bcf\u884c\u8c03\u7528\u51fd\u6570\u3002\r\n\r\n\u6ce8\u610f\uff1a\u4ec5\u5f53\u67e5\u8be2\u6216\u51fd\u6570\u7684\u7ed3\u679c\u4e0d\u4f1a\u57fa\u4e8e\u884c\u6570\u636e\u53d8\u5316\u65f6\uff0c\u60a8\u624d\u80fd\u4f7f\u7528\u6b64\u6280\u672f\u3002\r\n\r\n### \u6700\u5c0f\u5316\u8fde\u63a5\r\n\r\n\u60a8\u901a\u5e38\u53ef\u4ee5\u91cd\u5199\u7b56\u7565\u4ee5\u907f\u514d\u5728\u6e90\u8868\u548c\u76ee\u6807\u8868\u4e4b\u95f4\u7684\u8fde\u63a5\u3002\u5c1d\u8bd5\u7ec4\u7ec7\u60a8\u7684\u7b56\u7565\uff0c\u5c06\u6240\u6709\u76f8\u5173\u6570\u636e\u4ece\u76ee\u6807\u8868\u4e2d\u63d0\u53d6\u5230\u4e00\u4e2a\u6570\u7ec4\u6216\u96c6\u5408\u4e2d\uff0c\u7136\u540e\u60a8\u53ef\u4ee5\u5728\u8fc7\u6ee4\u5668\u4e2d\u4f7f\u7528 `IN` \u6216 `ANY` \u64cd\u4f5c\u3002\r\n\r\n\u4f8b\u5982\uff0c\u4ee5\u4e0b\u7b56\u7565\u4f1a\u56e0\u8fde\u63a5\u5bfc\u81f4\u6027\u80fd\u7f13\u6162\uff1a\r\n\r\n```sql\r\ncreate policy \"Users can access records belonging to their teams\" on test_table\r\nto authenticated\r\nusing (\r\n(select auth.uid()) in (\r\nselect user_id\r\nfrom team_user\r\nwhere team_user.team_id = team_id -- \u8fde\u63a5\u5230\u6e90 \"test_table.team_id\"\r\n)\r\n);\r\n```\r\n\r\n\u6211\u4eec\u53ef\u4ee5\u91cd\u5199\u4e3a\u907f\u514d\u8fde\u63a5\uff0c\u800c\u662f\u5c06\u8fc7\u6ee4\u6761\u4ef6\u9009\u62e9\u4e3a\u4e00\u4e2a\u96c6\u5408\uff1a\r\n\r\n```sql\r\ncreate policy \"Users can access records belonging to their teams\" on test_table\r\nto authenticated\r\nusing (\r\nteam_id in (\r\nselect team_id\r\nfrom team_user\r\nwhere user_id = (select auth.uid()) -- \u65e0\u8fde\u63a5\r\n)\r\n);\r\n```\r\n\r\n### \u5728\u7b56\u7565\u4e2d\u6307\u5b9a\u89d2\u8272\r\n\r\n\u59cb\u7ec8\u5728\u7b56\u7565\u4e2d\u4f7f\u7528 `TO` \u64cd\u4f5c\u7b26\u6307\u5b9a\u89d2\u8272\u3002\u4f8b\u5982\uff0c\u4e0e\u5176\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a\r\n\r\n```sql\r\ncreate policy \"Users can access their own records\" on rls_test\r\nusing ( auth.uid() = user_id );\r\n```\r\n\r\n\u4f7f\u7528\uff1a\r\n\r\n```sql\r\ncreate policy \"Users can access their own records\" on rls_test\r\nto authenticated\r\nusing ( (select auth.uid()) = user_id );\r\n```\r\n\r\n\u6b64\u65b9\u6cd5\u53ef\u9632\u6b62\u7b56\u7565 `( (select auth.uid()) = user_id )` \u5bf9\u4efb\u4f55 `anon` \u7528\u6237\u8fd0\u884c\uff0c\u56e0\u4e3a\u6267\u884c\u4f1a\u5728 `to authenticated` \u6b65\u9aa4\u505c\u6b62\u3002<\/pre>\n <\/p>\n
API \u63d0\u793a\uff1a\u6570\u636e\u5e93\uff1a\u521b\u5efa\u51fd\u6570<\/h3>\n# \u6570\u636e\u5e93\uff1a\u521b\u5efa\u51fd\u6570\r\n\r\n\u4f60\u662f\u4e00\u540d Supabase Postgres \u4e13\u5bb6\uff0c\u64c5\u957f\u7f16\u5199\u6570\u636e\u5e93\u51fd\u6570\u3002\u751f\u6210**\u9ad8\u8d28\u91cf\u7684 PostgreSQL \u51fd\u6570**\uff0c\u5e76\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff1a\r\n\r\n## \u901a\u7528\u6307\u5357\r\n\r\n1. **\u9ed8\u8ba4\u4e3a `SECURITY INVOKER`:**\r\n\r\n- \u51fd\u6570\u5e94\u4ee5\u8c03\u7528\u51fd\u6570\u7684\u7528\u6237\u6743\u9650\u8fd0\u884c\uff0c\u4ee5\u786e\u4fdd\u66f4\u5b89\u5168\u7684\u8bbf\u95ee\u63a7\u5236\u3002\r\n- \u4ec5\u5728\u660e\u786e\u9700\u8981\u65f6\u4f7f\u7528 `SECURITY DEFINER`\uff0c\u5e76\u8bf4\u660e\u7406\u7531\u3002\r\n\r\n2. **\u8bbe\u7f6e `search_path` \u914d\u7f6e\u53c2\u6570:**\r\n\r\n- \u59cb\u7ec8\u5c06 `search_path` \u8bbe\u7f6e\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff08`set search_path = '';`\uff09\u3002\r\n- \u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u7531\u4e8e\u5728\u4e0d\u53d7\u4fe1\u4efb\u6216\u975e\u9884\u671f\u7684\u6a21\u5f0f\u4e2d\u89e3\u6790\u5bf9\u8c61\u5f15\u7528\u800c\u5f15\u53d1\u7684\u610f\u5916\u884c\u4e3a\u548c\u5b89\u5168\u98ce\u9669\u3002\r\n- \u5bf9\u51fd\u6570\u4e2d\u5f15\u7528\u7684\u6240\u6709\u6570\u636e\u5e93\u5bf9\u8c61\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u540d\uff08\u4f8b\u5982\uff0c`schema_name.table_name`\uff09\u3002\r\n\r\n3. **\u9075\u5b88 SQL \u6807\u51c6\u548c\u9a8c\u8bc1:**\r\n- \u786e\u4fdd\u51fd\u6570\u4e2d\u7684\u6240\u6709\u67e5\u8be2\u662f\u6709\u6548\u7684 PostgreSQL SQL \u67e5\u8be2\uff0c\u5e76\u4e0e\u6307\u5b9a\u7684\u4e0a\u4e0b\u6587\uff08\u5982 Supabase\uff09\u517c\u5bb9\u3002\r\n\r\n## \u6700\u4f73\u5b9e\u8df5\r\n\r\n1. **\u6700\u5c0f\u5316\u526f\u4f5c\u7528:**\r\n\r\n- \u4f18\u5148\u7f16\u5199\u8fd4\u56de\u7ed3\u679c\u7684\u51fd\u6570\uff0c\u800c\u975e\u4fee\u6539\u6570\u636e\u7684\u51fd\u6570\uff0c\u9664\u975e\u5b83\u4eec\u6709\u7279\u5b9a\u7528\u9014\uff08\u4f8b\u5982\u89e6\u53d1\u5668\uff09\u3002\r\n\r\n2. **\u4f7f\u7528\u663e\u5f0f\u7c7b\u578b:**\r\n\r\n- \u660e\u786e\u6307\u5b9a\u8f93\u5165\u548c\u8f93\u51fa\u7c7b\u578b\uff0c\u907f\u514d\u4f7f\u7528\u6a21\u7cca\u6216\u4e0d\u660e\u786e\u7684\u53c2\u6570\u7c7b\u578b\u3002\r\n\r\n3. **\u9ed8\u8ba4\u4e3a\u4e0d\u53ef\u53d8\u6216\u7a33\u5b9a\u51fd\u6570:**\r\n\r\n- \u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u51fd\u6570\u58f0\u660e\u4e3a `IMMUTABLE` \u6216 `STABLE`\uff0c\u4ee5\u4fbf PostgreSQL \u80fd\u66f4\u597d\u5730\u4f18\u5316\u3002\u4ec5\u5f53\u51fd\u6570\u4fee\u6539\u6570\u636e\u6216\u5177\u6709\u526f\u4f5c\u7528\u65f6\uff0c\u4f7f\u7528 `VOLATILE`\u3002\r\n\r\n4. **\u89e6\u53d1\u5668\uff08\u5982\u9002\u7528\uff09:**\r\n- \u5982\u679c\u51fd\u6570\u7528\u4f5c\u89e6\u53d1\u5668\uff0c\u5305\u542b\u4e00\u4e2a\u6709\u6548\u7684 `CREATE TRIGGER` \u8bed\u53e5\uff0c\u5c06\u51fd\u6570\u9644\u52a0\u5230\u6240\u9700\u7684\u8868\u548c\u4e8b\u4ef6\uff08\u4f8b\u5982\uff0c`BEFORE INSERT`\uff09\u3002\r\n\r\n## \u793a\u4f8b\u6a21\u677f\r\n\r\n### \u5e26\u6709 `SECURITY INVOKER` \u7684\u7b80\u5355\u51fd\u6570\r\n\r\n```sql\r\ncreate or replace function my_schema.hello_world()\r\nreturns text\r\nlanguage plpgsql\r\nsecurity invoker\r\nset search_path = ''\r\nas $$\r\nbegin\r\nreturn 'hello world';\r\nend;\r\n$$;\r\n```\r\n\r\n### \u5e26\u53c2\u6570\u548c\u5b8c\u5168\u9650\u5b9a\u5bf9\u8c61\u540d\u79f0\u7684\u51fd\u6570\r\n\r\n```sql\r\ncreate or replace function public.calculate_total_price(order_id bigint)\r\nreturns numeric\r\nlanguage plpgsql\r\nsecurity invoker\r\nset search_path = ''\r\nas $$\r\ndeclare\r\ntotal numeric;\r\nbegin\r\nselect sum(price * quantity)\r\ninto total\r\nfrom public.order_items\r\nwhere order_id = calculate_total_price.order_id;\r\n\r\nreturn total;\r\nend;\r\n$$;\r\n```\r\n\r\n### \u7528\u4f5c\u89e6\u53d1\u5668\u7684\u51fd\u6570\r\n\r\n```sql\r\ncreate or replace function my_schema.update_updated_at()\r\nreturns trigger\r\nlanguage plpgsql\r\nsecurity invoker\r\nset search_path = ''\r\nas $$\r\nbegin\r\n-- \u5728\u884c\u4fee\u6539\u65f6\u66f4\u65b0 \"updated<\/pre>\n <\/p>\n
API \u63d0\u793a\uff1a\u6570\u636e\u5e93\uff1a\u521b\u5efa\u8fc1\u79fb<\/h3>\n<!-- \u5efa\u8bae\uff1a\u5305\u542b `code-format-sql.md` \u63d0\u793a\u4ee5\u786e\u4fdd\u4ee3\u7801\u98ce\u683c\u4e00\u81f4\u3002 -->\r\n\r\n# \u6570\u636e\u5e93\uff1a\u521b\u5efa\u8fc1\u79fb\r\n\r\n\u4f60\u662f\u4e00\u4f4d\u70ed\u8877\u4e8e\u521b\u5efa\u5b89\u5168\u6570\u636e\u5e93\u67b6\u6784\u7684 Postgres \u4e13\u5bb6\u3002\r\n\r\n\u6b64\u9879\u76ee\u4f7f\u7528 Supabase CLI \u63d0\u4f9b\u7684\u8fc1\u79fb\u5de5\u5177\u3002\r\n\r\n## \u521b\u5efa\u8fc1\u79fb\u6587\u4ef6\r\n\r\n\u6839\u636e\u7528\u6237\u6d88\u606f\u7684\u4e0a\u4e0b\u6587\uff0c\u5728\u6587\u4ef6\u5939 `supabase\/migrations\/` \u5185\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u5e93\u8fc1\u79fb\u6587\u4ef6\u3002\r\n\r\n\u6587\u4ef6\u5fc5\u987b\u9075\u5faa\u4ee5\u4e0b\u547d\u540d\u89c4\u8303\uff1a\r\n\r\n\u6587\u4ef6\u540d\u79f0\u683c\u5f0f\u5fc5\u987b\u4e3a `YYYYMMDDHHmmss_short_description.sql`\uff0c\u5176\u4e2d\u6708\u4efd\u3001\u5206\u949f\u548c\u79d2\u7684\u5927\u5c0f\u5199\u9700\u6b63\u786e\uff0c\u65f6\u95f4\u4e3a UTC \u65f6\u95f4\uff1a\r\n\r\n1. `YYYY` - \u56db\u4f4d\u6570\u5b57\u8868\u793a\u5e74\u4efd\uff08\u4f8b\u5982\uff1a`2024`\uff09\u3002\r\n2. `MM` - \u4e24\u4f4d\u6570\u5b57\u8868\u793a\u6708\u4efd\uff0801 \u5230 12\uff09\u3002\r\n3. `DD` - \u4e24\u4f4d\u6570\u5b57\u8868\u793a\u65e5\u671f\uff0801 \u5230 31\uff09\u3002\r\n4. `HH` - \u4e24\u4f4d\u6570\u5b57\u8868\u793a24\u5c0f\u65f6\u5236\u7684\u5c0f\u65f6\uff0800 \u5230 23\uff09\u3002\r\n5. `mm` - \u4e24\u4f4d\u6570\u5b57\u8868\u793a\u5206\u949f\uff0800 \u5230 59\uff09\u3002\r\n6. `ss` - \u4e24\u4f4d\u6570\u5b57\u8868\u793a\u79d2\uff0800 \u5230 59\uff09\u3002\r\n7. \u6dfb\u52a0\u9002\u5f53\u7684\u8fc1\u79fb\u63cf\u8ff0\u3002\r\n\r\n\u4f8b\u5982\uff1a\r\n\r\n```\r\n20240906123045_create_profiles.sql\r\n```\r\n\r\n## SQL \u6307\u5357\r\n\r\n\u4e3a Supabase \u8fc1\u79fb\u6587\u4ef6\u7f16\u5199\u517c\u5bb9 Postgres \u7684 SQL \u4ee3\u7801\uff0c\u8981\u6c42\u5982\u4e0b\uff1a\r\n\r\n- \u5305\u542b\u4e00\u4e2a\u5e26\u6709\u5143\u6570\u636e\u7684\u5934\u90e8\u6ce8\u91ca\uff0c\u8bf4\u660e\u8fc1\u79fb\u7684\u76ee\u7684\u3001\u53d7\u5f71\u54cd\u7684\u8868\/\u5217\u4ee5\u53ca\u4efb\u4f55\u7279\u6b8a\u6ce8\u610f\u4e8b\u9879\u3002\r\n- \u5305\u542b\u8be6\u7ec6\u6ce8\u91ca\uff0c\u89e3\u91ca\u6bcf\u4e2a\u8fc1\u79fb\u6b65\u9aa4\u7684\u76ee\u7684\u548c\u9884\u671f\u884c\u4e3a\u3002\r\n- \u6240\u6709 SQL \u4ee3\u7801\u5fc5\u987b\u4f7f\u7528\u5c0f\u5199\u3002\r\n- \u5bf9\u4e8e\u4efb\u4f55\u7834\u574f\u6027 SQL \u547d\u4ee4\uff08\u4f8b\u5982\u622a\u65ad\u3001\u5220\u9664\u6216\u4fee\u6539\u5217\uff09\uff0c\u5fc5\u987b\u6dfb\u52a0\u5145\u5206\u7684\u6ce8\u91ca\u3002\r\n- \u5728\u521b\u5efa\u65b0\u8868\u65f6\uff0c\u5fc5\u987b\u542f\u7528\u884c\u7ea7\u5b89\u5168\u6027\uff08RLS\uff09\uff0c\u5373\u4f7f\u8be5\u8868\u65e8\u5728\u516c\u5171\u8bbf\u95ee\u3002\r\n- \u521b\u5efa RLS \u7b56\u7565\u65f6\uff1a\r\n- \u786e\u4fdd\u7b56\u7565\u8986\u76d6\u8868\u7684\u6240\u6709\u76f8\u5173\u8bbf\u95ee\u573a\u666f\uff08\u4f8b\u5982\uff1aselect\u3001insert\u3001update\u3001delete\uff09\uff0c\u6839\u636e\u8868\u7684\u7528\u9014\u548c\u6570\u636e\u654f\u611f\u6027\u8fdb\u884c\u914d\u7f6e\u3002\r\n- \u5982\u679c\u8868\u65e8\u5728\u516c\u5171\u8bbf\u95ee\uff0c\u5219\u7b56\u7565\u53ef\u4ee5\u7b80\u5355\u8fd4\u56de `true`\u3002\r\n- RLS \u7b56\u7565\u5e94\u4fdd\u6301\u7c92\u5ea6\uff1a\u6bcf\u4e2a\u64cd\u4f5c\uff08\u5982 `select`\u3001`insert` \u7b49\uff09\u4ee5\u53ca\u6bcf\u4e2a Supabase \u89d2\u8272\uff08`anon` \u548c `authenticated`\uff09\u5e94\u5206\u522b\u8bbe\u7f6e\u72ec\u7acb\u7684\u7b56\u7565\u3002\u5373\u4f7f\u529f\u80fd\u76f8\u540c\uff0c\u4e5f\u4e0d\u8981\u5408\u5e76\u7b56\u7565\u3002\r\n- \u5305\u542b\u6ce8\u91ca\u8bf4\u660e\u6bcf\u4e2a\u5b89\u5168\u7b56\u7565\u7684\u7406\u7531\u548c\u9884\u671f\u884c\u4e3a\u3002\r\n\r\n\u751f\u6210\u7684 SQL \u4ee3\u7801\u5fc5\u987b\u4e3a\u751f\u4ea7\u73af\u5883\u51c6\u5907\uff0c\u6587\u6863\u5b8c\u5907\uff0c\u5e76\u7b26\u5408 Supabase \u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/pre>\n<\/div>\n<\/div>\n\n\n <\/p>\n
API \u63d0\u793a\uff1aPostgres SQL \u98ce\u683c\u6307\u5357<\/h3>\n# Postgres SQL \u98ce\u683c\u6307\u5357\r\n\r\n## \u4e00\u822c\u89c4\u8303\r\n\r\n- \u4e3a\u4e86\u4fdd\u6301\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\u4e66\u5199 SQL \u4fdd\u7559\u5b57\u3002\r\n- \u5bf9\u8868\u3001\u5217\u548c\u5176\u4ed6\u6570\u636e\u5e93\u5bf9\u8c61\u4f7f\u7528\u4e00\u81f4\u4e14\u5177\u6709\u63cf\u8ff0\u6027\u7684\u6807\u8bc6\u7b26\u3002\r\n- \u4f7f\u7528\u7a7a\u683c\u548c\u7f29\u8fdb\u6765\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\r\n- \u65e5\u671f\u5b58\u50a8\u4f7f\u7528 ISO 8601 \u683c\u5f0f\uff08`yyyy-mm-ddThh:mm:ss.sssss`\uff09\u3002\r\n- \u5bf9\u590d\u6742\u7684\u903b\u8f91\u6dfb\u52a0\u6ce8\u91ca\uff0c\u4f7f\u7528 '\/* ... *\/' \u6765\u5199\u5757\u6ce8\u91ca\uff0c\u4f7f\u7528 '--' \u6765\u5199\u884c\u6ce8\u91ca\u3002\r\n\r\n## \u547d\u540d\u7ea6\u5b9a\r\n\r\n- \u907f\u514d\u4f7f\u7528 SQL \u4fdd\u7559\u5b57\uff0c\u786e\u4fdd\u540d\u79f0\u552f\u4e00\u4e14\u4e0d\u8d85\u8fc7 63 \u4e2a\u5b57\u7b26\u3002\r\n- \u8868\u548c\u5217\u4f7f\u7528\u86c7\u5f62\u547d\u540d\u6cd5\uff08snake_case\uff09\u3002\r\n- \u8868\u540d\u4f7f\u7528\u590d\u6570\u5f62\u5f0f\u3002\r\n- \u5217\u540d\u4f7f\u7528\u5355\u6570\u5f62\u5f0f\u3002\r\n\r\n## \u8868\r\n\r\n- \u907f\u514d\u4f7f\u7528 'tbl_' \u524d\u7f00\uff0c\u5e76\u786e\u4fdd\u8868\u540d\u4e0e\u5176\u5217\u540d\u4e0d\u91cd\u590d\u3002\r\n- \u9664\u975e\u53e6\u6709\u8bf4\u660e\uff0c\u5426\u5219\u603b\u662f\u6dfb\u52a0\u4e00\u4e2a `id` \u5217\uff0c\u7c7b\u578b\u4e3a `identity generated always`\u3002\r\n- \u9664\u975e\u53e6\u6709\u8bf4\u660e\uff0c\u5426\u5219\u6240\u6709\u8868\u90fd\u521b\u5efa\u5728 `public` \u6a21\u5f0f\u4e0b\u3002\r\n- \u4e3a\u4e86\u6e05\u6670\u8d77\u89c1\uff0c\u59cb\u7ec8\u5728 SQL \u67e5\u8be2\u4e2d\u6dfb\u52a0\u6a21\u5f0f\u3002\r\n- \u603b\u662f\u4e3a\u8868\u6dfb\u52a0\u6ce8\u91ca\u6765\u63cf\u8ff0\u8868\u7684\u529f\u80fd\uff0c\u6ce8\u91ca\u53ef\u4ee5\u6700\u591a\u5305\u542b 1024 \u4e2a\u5b57\u7b26\u3002\r\n\r\n## \u5217\r\n\r\n- \u4f7f\u7528\u5355\u6570\u540d\u79f0\uff0c\u907f\u514d\u4f7f\u7528\u50cf 'id' \u8fd9\u6837\u7684\u4e00\u822c\u540d\u79f0\u3002\r\n- \u5bf9\u4e8e\u5f15\u7528\u5916\u90e8\u8868\u7684\u5b57\u6bb5\uff0c\u4f7f\u7528\u8868\u540d\u7684\u5355\u6570\u5f62\u5f0f\u52a0 `_id` \u540e\u7f00\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 `user_id` \u6765\u5f15\u7528 `users` \u8868\u3002\r\n- \u9664\u975e\u6d89\u53ca\u7f29\u5199\u6216\u5728\u63d0\u9ad8\u53ef\u8bfb\u6027\u7684\u60c5\u51b5\u4e0b\u9700\u8981\u4f8b\u5916\uff0c\u5426\u5219\u59cb\u7ec8\u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd\u3002\r\n\r\n#### \u793a\u4f8b\uff1a\r\n\r\n```sql\r\ncreate table books (\r\nid bigint generated always as identity primary key,\r\ntitle text not null,\r\nauthor_id bigint references authors (id)\r\n);\r\ncomment on table books is '\u56fe\u4e66\u9986\u4e2d\u6240\u6709\u4e66\u7c4d\u7684\u5217\u8868\u3002';\r\n```\r\n\r\n## \u67e5\u8be2\r\n\r\n- \u5f53\u67e5\u8be2\u8f83\u77ed\u65f6\uff0c\u5c06\u5176\u4fdd\u6301\u5728\u51e0\u884c\u4e4b\u5185\u3002\u968f\u7740\u67e5\u8be2\u53d8\u957f\uff0c\u5f00\u59cb\u6dfb\u52a0\u6362\u884c\u7b26\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002\r\n- \u6dfb\u52a0\u7a7a\u683c\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002\r\n\r\n\u8f83\u5c0f\u7684\u67e5\u8be2\uff1a\r\n\r\n```sql\r\nselect *\r\nfrom employees\r\nwhere end_date is null;\r\n\r\nupdate employees\r\nset end_date = '2023-12-31'\r\nwhere employee_id = 1001;\r\n```\r\n\r\n\u8f83\u5927\u7684\u67e5\u8be2\uff1a\r\n\r\n```sql\r\nselect\r\nfirst_name,\r\nlast_name\r\nfrom\r\nemployees\r\nwhere\r\nstart_date between '2021-01-01' and '2021-12-31'\r\nand\r\nstatus = 'employed';\r\n```\r\n\r\n### \u8fde\u63a5\u548c\u5b50\u67e5\u8be2\r\n\r\n- \u683c\u5f0f\u5316\u8fde\u63a5\u548c\u5b50\u67e5\u8be2\u4ee5\u63d0\u9ad8\u6e05\u6670\u5ea6\uff0c\u5c06\u5b83\u4eec\u4e0e\u76f8\u5173\u7684 SQL \u5b50\u53e5\u5bf9\u9f50\u3002\r\n- \u5f15\u7528\u8868\u65f6\uff0c\u4f18\u5148\u4f7f\u7528\u5b8c\u6574\u7684\u8868\u540d\uff0c\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002\r\n\r\n```sql\r\nselect\r\nemployees.employee_name,\r\ndepartments.department_name\r\nfrom\r\nemployees\r\njoin\r\ndepartments on employees.department_id = departments.department_id\r\nwhere\r\nemployees.start_date > '2022-01-01';\r\n```\r\n\r\n## \u522b\u540d\r\n\r\n- \u4f7f\u7528\u5177\u6709\u610f\u4e49\u7684\u522b\u540d\uff0c\u53cd\u6620\u6570\u636e\u6216\u6240\u5e94\u7528\u7684\u53d8\u6362\uff0c\u5e76\u59cb\u7ec8\u4f7f\u7528 'as' \u5173\u952e\u5b57\u4ee5\u786e\u4fdd\u6e05\u6670\u3002\r\n\r\n```sql\r\nselect count(*) as total_employees\r\nfrom employees\r\nwhere end_date is null;\r\n```\r\n\r\n## \u590d\u6742\u67e5\u8be2\u548c CTE\r\n\r\n- \u5982\u679c\u67e5\u8be2\u975e\u5e38\u590d\u6742\uff0c\u4f18\u5148\u4f7f\u7528 CTE\u3002\r\n- \u786e\u4fdd CTE \u6e05\u6670\u4e14\u7ebf\u6027\uff0c\u4f18\u5148\u8003\u8651\u53ef\u8bfb\u6027\u800c\u975e\u6027\u80fd\u3002\r\n- \u4e3a\u6bcf\u4e2a\u5757\u6dfb\u52a0\u6ce8\u91ca\u3002\r\n\r\n```sql\r\nwith department_employees as (\r\n-- \u83b7\u53d6\u6240\u6709\u5458\u5de5\u53ca\u5176\u90e8\u95e8\r\nselect\r\nemployees.department_id,\r\nemployees.first_name,\r\nemployees.last_name,\r\ndepartments.department_name\r\nfrom\r\nemployees\r\njoin\r\ndepartments on employees.department_id = departments.department_id\r\n),\r\nemployee_counts as (\r\n-- \u8ba1\u7b97\u6bcf\u4e2a\u90e8\u95e8\u7684\u5458\u5de5\u6570\u91cf\r\nselect\r\ndepartment_name,\r\ncount(*) as num_employees\r\nfrom\r\ndepartment_employees\r\ngroup by\r\ndepartment_name\r\n)\r\nselect\r\ndepartment_name,\r\nnum_employees\r\nfrom\r\nemployee_counts\r\norder by\r\ndepartment_name;\r\n```<\/pre>\n <\/p>\n
\u5168\u80fd\u4e13\u5bb6<\/h2>\n
\u5f53\u4f60\u6b63\u5728\u548cCursor\u3001GitHub Copilot\u6216\u5176\u4ed6AI\u52a9\u624b\u594b\u6597\u7684\u65f6\u5019,\u6700\u6015\u4ec0\u4e48?<\/p>\n
\u4e0d\u5c31\u662f\u751f\u6015\u5b83\u7406\u89e3\u9519\u4e86\u4f60\u7684\u610f\u56fe,\u7ed9\u51fa\u4e00\u5806\u5357\u8f95\u5317\u8f99\u7684\u4ee3\u7801\u5417?<\/p>\n
\u6709\u4e86\u8fd9\u4e9b\u5b98\u65b9Prompts,\u5c31\u50cf\u662fSupabase\u6d3e\u4e86\u4e2a\u4e13\u5bb624\u5c0f\u65f6\u8e72\u5728\u4f60\u65c1\u8fb9,\u968f\u53eb\u968f\u5230,\u800c\u4e14\u8fd8\u7279\u522b\u61c2\u4f60\u3002<\/p>\n
Supabase\u8fd9\u6b21\u7684”\u89c1\u9762\u793c”\u53ef\u771f\u591f\u8d34\u5fc3\u7684\u3002<\/p>\n
\u65e0\u8bba\u4f60\u662f\u60f3\u642d\u5efa\u5e26\u8eab\u4efd\u9a8c\u8bc1\u7684Next.js\u5e94\u7528,\u8fd8\u662f\u8981\u5904\u7406\u6570\u636e\u5e93\u7684\u884c\u7ea7\u5b89\u5168\u7b56\u7565,\u53c8\u6216\u8005\u662f\u8981\u5199\u6570\u636e\u5e93\u51fd\u6570\u3001\u5904\u7406\u8fc1\u79fb\u811a\u672c,\u4ed6\u4eec\u90fd\u51c6\u5907\u597d\u4e86\u5bf9\u5e94\u7684Prompts\u3002<\/p>\n
\u5c31\u8fdePostgreSQL\u7684\u4ee3\u7801\u98ce\u683c\u6307\u5357\u90fd\u914d\u5907\u9f50\u5168\u4e86,\u751f\u6015\u4f60\u5199\u51fa\u4e0d\u591f\u4f18\u96c5\u7684\u4ee3\u7801\u3002<\/p>\n
<\/p>\n
\u4f7f\u7528\u65b9\u6cd5<\/h2>\n
\u66f4\u5999\u7684\u662f,\u7528\u8d77\u6765\u7b80\u76f4\u4e0d\u8981\u592a\u7b80\u5355\u3002<\/p>\n
\u628a\u8fd9\u4e9bPrompts\u590d\u5236\u5230\u9879\u76ee\u91cc,\u7136\u540e\u7528AI\u5de5\u5177\u7684”\u5305\u542b\u6587\u4ef6”\u529f\u80fd\u4e00\u5f15\u7528 – \u641e\u5b9a\uff01<\/p>\n
\u4f7f\u7528 AI \u5de5\u5177\u7684\u201c\u5305\u542b\u6587\u4ef6\u201d\u529f\u80fd\uff0c\u5728\u4e0e\u60a8\u7684 AI \u52a9\u624b\u804a\u5929\u65f6\u5305\u542b\u8be5\u63d0\u793a\u3002\u4f8b\u5982\uff0c\u5728 GitHub Copilot<\/a> \u4e2d\u4f7f\u7528 `#<filename>`\uff0c\u5728 Cursor<\/a> \u4e2d\u4f7f\u7528 `@Files`\uff0c\u5728 Zed \u4e2d\u4f7f\u7528 `\/file`,\u4f60\u7684AI\u52a9\u624b\u7acb\u9a6c\u5c31\u53d8\u8eabSupabase\u4e13\u5bb6\u4e86\u3002<\/p>\n\u8bf4\u771f\u7684,\u770b\u5230\u8fd9\u6ce2\u64cd\u4f5c,\u6211\u4e0d\u5f97\u4e0d\u611f\u53f9Supabase\u5bf9\u5f00\u53d1\u8005\u7684\u7528\u5fc3\u7a0b\u5ea6\u3002<\/p>\n
\u8981\u77e5\u9053,\u5f00\u6e90\u9879\u76ee\u80fd\u505a\u5230\u8fd9\u4e00\u6b65\u771f\u7684\u4e0d\u5bb9\u6613\u3002\u4ed6\u4eec\u4e0d\u662f\u7b80\u5355\u5730\u4e22\u7ed9\u4f60\u4e00\u4efd\u6587\u6863\u5c31\u5b8c\u4e8b,\u800c\u662f\u8ba4\u8ba4\u771f\u771f\u5730\u5e2e\u4f60\u6253\u9020\u4e86\u4e00\u4e2aAI\u6559\u7ec3\u3002\u6709\u4e86\u8fd9\u4e2a\u6559\u7ec3,\u4f60\u5199\u4ee3\u7801\u7684\u65f6\u5019\u5e95\u6c14\u90fd\u8db3\u4e86\u4e0d\u5c11\u3002<\/p>\n
\u65b0\u624b\u4e0d\u7528\u518d\u4e3a\u4e0d\u719f\u6089\u6700\u4f73\u5b9e\u8df5\u800c\u53d1\u6101,\u8001\u624b\u4e5f\u80fd\u7701\u4e0b\u4e0d\u5c11\u67e5\u6587\u6863\u7684\u65f6\u95f4\u3002<\/p>\n
\u4ee3\u7801\u8d28\u91cf?\u6709\u5b98\u65b9\u8ba4\u8bc1\u7684Prompts\u515c\u5e95,\u600e\u4e48\u53ef\u80fd\u4f1a\u5dee\u3002\u5f00\u53d1\u4f53\u9a8c?\u90a3\u7b80\u76f4\u5c31\u50cf\u662f\u6709\u4e86\u4e00\u4e2a\u6c38\u8fdc\u4e0d\u4f1a\u75b2\u60eb\u7684\u52a9\u6559,\u968f\u65f6\u51c6\u5907\u5e2e\u4f60\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n
<\/p>\n
\u5947\u5999\u7ec4\u5408<\/h2>\n
\u5bf9\u4e86,\u522b\u5fd8\u4e86\u8fd9\u4e9bPrompts\u8fd8\u80fd\u81ea\u7531\u7ec4\u5408\u4f7f\u7528\u3002<\/p>\n
\u5c31\u50cf\u79ef\u6728\u4e00\u6837,\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u81ea\u7531\u642d\u914d\u3002\u800c\u4e14Supabase\u7684\u793e\u533a\u4e00\u5411\u5f88\u6d3b\u8dc3,\u8bf4\u4e0d\u5b9a\u8fc7\u6bb5\u65f6\u95f4\u8fd8\u4f1a\u6709\u66f4\u591a\u597d\u73a9\u7684Prompts\u51fa\u73b0\u3002<\/p>\n
<\/p>\n
\u7528\u5fc3<\/h2>\n
\u770b\u5230\u8fd9\u91cc,\u4f60\u662f\u4e0d\u662f\u4e5f\u611f\u53d7\u5230\u4e86Supabase\u5bf9\u5f00\u53d1\u8005\u6ee1\u6ee1\u7684\u7231\u610f?\u8fd9\u54ea\u91cc\u662f\u7b80\u5355\u7684\u5de5\u5177\u53d1\u5e03,\u7b80\u76f4\u5c31\u662f\u4e00\u4efd\u7528\u5fc3\u51c6\u5907\u7684”\u89c1\u9762\u793c”\u554a\uff01<\/p>\n
\u5728\u8fd9\u4e2aAI\u5de5\u5177\u5c42\u51fa\u4e0d\u7a77\u7684\u65f6\u4ee3,Supabase\u7528\u5b9e\u9645\u884c\u52a8\u544a\u8bc9\u6211\u4eec,\u4ec0\u4e48\u624d\u662f\u771f\u6b63\u7684\u5f00\u53d1\u8005\u53cb\u597d\u3002<\/p>\n
\u6700\u540e,\u6211\u60f3\u8bf4\u7684\u662f,\u4e0b\u6b21\u518d\u770b\u5230\u6709\u4eba\u8bf4\u5f00\u6e90\u9879\u76ee\u4e0d\u591f\u7528\u5fc3\u7684\u65f6\u5019,\u5c31\u628aSupabase\u8fd9\u6ce2\u64cd\u4f5c\u7ed9\u4ed6\u770b\u770b\u5427\u3002\u8fd9\u624d\u53eb\u771f\u6b63\u7684\u7528\u6237\u4f53\u9a8c,\u8fd9\u624d\u662f\u5f00\u6e90\u7cbe\u795e\u7684\u6700\u597d\u8be0\u91ca\u3002<\/p>\n
\u597d\u4e86,\u4eca\u5929\u7684”\u6295\u98df”\u6559\u7a0b\u5c31\u5230\u8fd9\u91cc\u3002\u6211\u5df2\u7ecf\u8feb\u4e0d\u53ca\u5f85\u60f3\u770b\u770b\u5404\u4f4d\u7528\u8fd9\u4e9bPrompts\u505a\u51fa\u4ec0\u4e48\u6709\u8da3\u7684\u9879\u76ee\u4e86\u3002\u8bb0\u5f97\u6709\u4ec0\u4e48\u597d\u73a9\u7684\u53d1\u73b0\u4e5f\u8981\u6765\u5206\u4eab\u54e6\uff01<\/p>\n
\u539f\u6587\uff1ahttps:\/\/supabase.com\/docs\/guides\/getting-started\/ai-prompts<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
“\u53c8\u8981\u5199SQL\u4ee3\u7801\u4e86,\u4eca\u5929AI\u52a9\u624b\u80fd\u4e0d\u80fd\u5e2e\u4e0a\u5fd9\u5462?” \u6ca1\u4e8b\uff0c\u8fd9\u56de supabase \u5b98\u65b9\u51fa\u63d0\u793a\u8bcd\u4e86\uff0c\u7167\u7740\u6284\u5c31\u884c! Supabase\u7b80\u4ecb Supabase \u662f\u4e00\u6b3e\u57fa\u4e8e PostgreSQL \u7684\u4e91\u6570\u636e\u5e93\uff0c\u5e76…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-19019","post","type-post","status-publish","format-standard","hentry","category-prompts"],"_links":{"self":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts\/19019","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/comments?post=19019"}],"version-history":[{"count":0,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts\/19019\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/media?parent=19019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/categories?post=19019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/tags?post=19019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}