{"id":84278,"date":"2020-05-15T09:09:32","date_gmt":"2020-05-15T01:09:32","guid":{"rendered":"http:\/\/4563.org\/?p=84278"},"modified":"2020-05-15T09:09:32","modified_gmt":"2020-05-15T01:09:32","slug":"golang-sql-%e5%8c%85%e7%9a%84-next-%e6%96%b9%e6%b3%95%e6%98%af%e6%af%8f%e6%ac%a1%e5%88%b0%e6%95%b0%e6%8d%ae%e5%ba%93%e7%ab%af%e5%8f%96%e4%b8%80%e6%9d%a1%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=84278","title":{"rendered":"golang sql \u5305\u7684 next \u65b9\u6cd5\u662f\u6bcf\u6b21\u5230\u6570\u636e\u5e93\u7aef\u53d6\u4e00\u6761\u6570\u636e?"},"content":{"rendered":"
\n
\n
\n

golang sql \u5305\u7684 next \u65b9\u6cd5\u662f\u6bcf\u6b21\u5230\u6570\u636e\u5e93\u7aef\u53d6\u4e00\u6761\u6570\u636e? <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : ahmcsxcc <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u662f\u8fd9\u6837\u5417\uff1f<\/p>\n

\u5982\u679c\u662f\u8fd9\u6837\u8fd9\u6837\u7f51\u7edc\u5f00\u9500\u662f\u4e0d\u662f\u6709\u70b9\u5927\uff1f<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (2<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : tms <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u51c6\u786e\u8bf4\u662f next \u4e00\u6b21\u4ece buffer \u91cc\u53d6\u4e00\u6761\u6570\u636e\u5230 lastcols\uff0c\u81f3\u4e8e\u4f60\u8bf4\u7684\u6570\u636e\u5e93\u548c\u5ba2\u6237\u7aef\u7684\u7f51\u7edc\u5f00\u9500\u548c\u4ea4\u4e92\u53d6\u51b3\u4e8e buffer\uff0c\u662f driver \u7684\u4e8b\u60c5\uff0c\u7531 client \u548c server \u7aef\u914d\u5408\u6765\u8fdb\u884c\u7ba1\u7406\u3002
    sql \u7684 next \u5b9a\u4e49\u53c2\u8003 https:\/\/golang.org\/src\/database\/sql\/sql.go?s=77737:77764#L2732
    \u5bf9\u4e8e mysql \u5982 go-sql-driver \u8fd9\u4e2a driver \u5728 packets.go \u91cc\u6709 readRow \u8c03\u7528 readPacket \u6765\u7ba1\u7406 buffer.go \u5b9a\u4e49\u7684 buffer \u3002
    \u5bf9\u5e94 mysql server \u7aef\u7684 https:\/\/dev.mysql.com\/doc\/internals\/en\/com-query-response.html
    \u5176\u4ed6\u6570\u636e\u5e93 server \u548c driver\uff0c\u4e5f\u53ef\u4ee5\u5bf9\u5e94\u7814\u7a76\u4e00\u4e0b\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ahmcsxcc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @tms #1
    \u611f\u8c22\uff0c\u6211\u5148\u53bb\u7814\u7a76\u7814\u7a76 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    golang sql \u5305\u7684 nex…<\/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\/84278"}],"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=84278"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/84278\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=84278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=84278"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=84278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}