{"id":163265,"date":"2020-10-04T14:06:32","date_gmt":"2020-10-04T06:06:32","guid":{"rendered":"http:\/\/4563.org\/?p=163265"},"modified":"2020-10-04T14:06:32","modified_gmt":"2020-10-04T06:06:32","slug":"%e5%85%b3%e4%ba%8e-pgsql-%e4%b8%ad-jsonb-%e7%b1%bb%e5%9e%8b%e6%95%b0%e6%8d%ae%e7%9a%84%e6%9b%b4%e6%96%b0%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=163265","title":{"rendered":"\u5173\u4e8e pgsql \u4e2d jsonb \u7c7b\u578b\u6570\u636e\u7684\u66f4\u65b0\u95ee\u9898"},"content":{"rendered":"
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\u5173\u4e8e pgsql \u4e2d jsonb \u7c7b\u578b\u6570\u636e\u7684\u66f4\u65b0\u95ee\u9898 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : jiobanma <\/span> <\/i> 1<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5982\u4e00\u5f20 pgsql \u7684\u8868\u91cc\u9762\u6709\u4e2a\u5b57\u6bb5 data \u7684\u5c5e\u6027\u4e3a jsonb\uff0c\u5728\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\u65f6\u5982\u4f55\u5bf9\u4f20\u5165\u7684 json \u5b57\u7b26\u4e32\u8fdb\u884c\u89e3\u6790\uff0c\u5bf9\u5e94\u6e90\u6570\u636e\u5982\u679c\u6709\u76f8\u540c\u7684 key \u5c31\u66ff\u6362 value\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u5c31\u65b0\u589e\u4e00\u4e2a key-value \u8fdb\u53bb\u3002 \u6bd4\u5982\u6e90\u6570\u636e\u4e3a{“A”:”a”,”B”:”b”,”C”:”c”} \u6267\u884c\u66f4\u65b0\u65f6\u6211\u4f20\u5165\u7684\u53c2\u6570\u4e3a\uff1a{“A”:”00″,”D”:”d”} \u5e0c\u671b\u7684\u5230\u7684\u6570\u636e\u662f\uff1a{“A”:”a”,”B”:”b”,”C”:”c”}
\u67e5\u4e86\u67e5 jsonb_set \u8fd9\u4e2a\u51fd\u6570\uff0c\u611f\u89c9\u8fd9\u4e2a\u53ea\u80fd\u6307\u5b9a\u67d0\u4e2a key \u548c value \u6765\u8fdb\u884c\u66f4\u65b0\uff0c\u800c\u4e0d\u80fd\u53ea\u80fd\u8bc6\u522b\u6211\u4f20\u5165\u7684\u4e00\u4e2a json \u53bb\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n

\u8fd8\u6709\u5176\u4ed6\u4ec0\u4e48\u597d\u7684\u529e\u6cd5\u5417<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (3<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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  • \n
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    \u8cc7\u6df1\u5927\u4f6c : crclz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6700\u7b80\u5355\u3001\u6700\u4e0d\u5bb9\u6613\u51fa bug \u7684\u89e3\u51b3\u65b9\u6848\u662f\uff1a\u6574\u5b58\u6574\u53d6\u3002
    \u552f\u4e00\u7684\u95ee\u9898\u662f\u6027\u80fd\u95ee\u9898\u3002\u6240\u4ee5\uff0c\u4e00\u4e2a jsonb \u5b57\u6bb5\u65e2\u4e0d\u80fd\u8fc7\u5927\u4ece\u800c\u5f71\u54cd\u6027\u80fd\uff0c\u4e5f\u4e0d\u80fd\u8fc7\u5c0f\u4ece\u800c\u8ba9\u4e00\u4e2a\u4e1a\u52a1\u64cd\u4f5c\u8bbe\u8ba1\u592a\u591a\u5b9e\u4f53\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : pabupa <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ef\u4ee5\u7528\u64cd\u4f5c\u7b26\u3002<\/p>\n

    `select ‘{“A”:1,”B”:2}’::jsonb || ‘{“A”:3, “D”: 4}’;` <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : jiobanma <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @crclz #1 \u662f\u7684 \u6574\u5b58\u6574\u53d6\u786e\u5b9e\u5c31\u6ca1\u8fd9\u4e2a\u95ee\u9898\u4e86\uff0c\u4f46\u662f\u6211\u4eec\u73b0\u5728\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u6bd4\u8f83… \u67e5\u8be2\u51fa\u6765\u7684\u6570\u636e\u662f\u89c6\u56fe\u91cc\u5904\u7406\u597d\u7684\u6570\u636e \u66f4\u65b0\u65f6\u8981\u5f80\u57fa\u7840\u8868\u66f4\u65b0 \u6709\u5f88\u591a\u5b57\u6bb5\u5bf9\u5e94\u4e0d\u4e0a\uff0c\u524d\u7aef\u90a3\u8fb9\u662f\u4e0d\u77e5\u9053\u5b57\u6bb5\u7684\u5bf9\u5e94\u5173\u7cfb\u7684\uff0c\u6240\u4ee5\u6709\u4e9b\u4e1a\u52a1\u6574\u5b58\u6574\u53d6\u65e0\u6cd5\u5b9e\u73b0\u3002
    @pabupa #2 \u73b0\u5728\u7528\u7684\u5c31\u662f\u8fd9\u4e2a \u88ab\u767e\u5ea6\u8bef\u5bfc\u4e86 \u4ee5\u4e3a\u8fd9\u4e2a\u64cd\u4f5c\u7b26\u53ea\u662f\u5728\u4e4b\u524d\u7684\u6570\u636e\u540e\u8fb9\u62fc\u63a5 \u4e0d\u4f1a\u8986\u76d6\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u5173\u4e8e pgsql \u4e2d jsonb …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/163265"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=163265"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/163265\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=163265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=163265"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=163265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}