{"id":5059,"date":"2024-11-14T12:36:49","date_gmt":"2024-11-14T04:36:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5059\/"},"modified":"2024-11-14T12:36:49","modified_gmt":"2024-11-14T04:36:49","slug":"redis%e6%95%b0%e6%8d%ae%e5%ba%93%e6%80%8e%e4%b9%88%e5%88%87%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5059\/","title":{"rendered":"redis\u6570\u636e\u5e93\u600e\u4e48\u5207\u6362"},"content":{"rendered":"

\n \u5728 redis \u4e2d\u5207\u6362\u6570\u636e\u5e93\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528 select \u547d\u4ee4\uff0c\u8bed\u6cd5\u4e3a select \uff1b2. \u4f7f\u7528\u5ba2\u6237\u7aef\u5e93\uff08\u5982 python redis \u4e2d\u7684 select() \u65b9\u6cd5\uff09\u3002\u5f53\u524d\u9009\u5b9a\u7684\u6570\u636e\u5e93\u7d22\u5f15\u53ef\u4ee5\u901a\u8fc7 dbsize \u547d\u4ee4\u83b7\u5f97\u3002\n<\/p><\/blockquote>\n

\"redis\u6570\u636e\u5e93\u600e\u4e48\u5207\u6362\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5207\u6362 Redis \u6570\u636e\u5e93<\/strong><\/p>\n

\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u6bcf\u4e2a\u6570\u636e\u5e93\u90fd\u662f\u72ec\u7acb\u7684\uff0c\u62e5\u6709\u81ea\u5df1\u7684\u96c6\u5408\u3002\u5207\u6362\u6570\u636e\u5e93\u53ef\u4ee5\u8ba9\u4f60\u5728\u4e0d\u540c\u7684\u6570\u636e\u96c6\u4e2d\u5de5\u4f5c\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u8fde\u63a5\u3002<\/p>\n

\u5207\u6362\u6570\u636e\u5e93\u7684\u65b9\u6cd5<\/strong><\/p>\n

\u5207\u6362 Redis \u6570\u636e\u5e93\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528 SELECT \u547d\u4ee4<\/strong><\/p>\n

\u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

SELECT <\u6570\u636e\u5e93\u7d22\u5f15><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff0c\u8981\u5207\u6362\u5230\u7b2c\u4e8c\u4e2a\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
SELECT 2<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528\u5ba2\u6237\u7aef\u5e93<\/strong><\/p>\n
\u5927\u591a\u6570 Redis \u5ba2\u6237\u7aef\u5e93\u90fd\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b9\u6cd5\u6765\u5207\u6362\u6570\u636e\u5e93\uff0c\u5176\u65b9\u6cd5\u540d\u79f0\u56e0\u5e93\u800c\u5f02\u3002\u4f8b\u5982\uff0c\u5728 Python \u7684 Redis \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 select() \u65b9\u6cd5\uff1a<\/p>\n
import redis\n\nclient = redis.Redis()\nclient.select(2)<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u83b7\u53d6\u5f53\u524d\u6570\u636e\u5e93\u7d22\u5f15<\/strong><\/p>\n
\u8981\u83b7\u53d6\u5f53\u524d\u9009\u5b9a\u7684\u6570\u636e\u5e93\u7d22\u5f15\uff0c\u53ef\u4ee5\u4f7f\u7528 DBSIZE \u547d\u4ee4\uff1a<\/p>\n
DBSIZE<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u8fd4\u56de\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u952e\u503c\u5bf9\u7684\u6570\u91cf\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u6570\u636e\u5e93\u600e\u4e48\u5207\u6362\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728 redis \u4e2d\u5207\u6362\u6570\u636e\u5e93\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528 select \u547d\u4ee4\uff0c\u8bed\u6cd5\u4e3a select \uff1b2. \u4f7f\u7528\u5ba2\u6237\u7aef\u5e93\uff08\u5982 python redis \u4e2d\u7684 select() \u65b9\u6cd5\uff09\u3002\u5f53\u524d\u9009\u5b9a\u7684\u6570\u636e\u5e93\u7d22\u5f15\u53ef\u4ee5\u901a\u8fc7 dbsize \u547d\u4ee4\u83b7\u5f97\u3002 \u5982\u4f55\u5207\u6362 Redis \u6570\u636e\u5e93 \u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u6bcf\u4e2a\u6570\u636e\u5e93\u90fd\u662f\u72ec\u7acb\u7684\uff0c\u62e5\u6709\u81ea\u5df1\u7684\u96c6\u5408\u3002\u5207\u6362\u6570\u636e\u5e93\u53ef\u4ee5\u8ba9\u4f60\u5728\u4e0d\u540c\u7684\u6570\u636e\u96c6\u4e2d\u5de5\u4f5c\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u8fde\u63a5\u3002 \u5207\u6362\u6570\u636e\u5e93\u7684\u65b9\u6cd5 \u5207\u6362 Redis \u6570\u636e\u5e93\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 SELECT \u547d\u4ee4 \u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a SELECT <\u6570\u636e\u5e93\u7d22\u5f15> \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff0c\u8981\u5207\u6362\u5230\u7b2c\u4e8c\u4e2a\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a SELECT 2 \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u5ba2\u6237\u7aef\u5e93 \u5927\u591a\u6570 Redis \u5ba2\u6237\u7aef\u5e93\u90fd\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b9\u6cd5\u6765\u5207\u6362\u6570\u636e\u5e93\uff0c\u5176\u65b9\u6cd5\u540d\u79f0\u56e0\u5e93\u800c\u5f02\u3002\u4f8b\u5982\uff0c\u5728 Python \u7684 Redis \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 select() \u65b9\u6cd5\uff1a import redis client = redis.Redis() client.select(2) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5059","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5059"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5059\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}