{"id":27299,"date":"2024-11-24T10:59:11","date_gmt":"2024-11-24T02:59:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/27299\/"},"modified":"2024-11-24T10:59:11","modified_gmt":"2024-11-24T02:59:11","slug":"sql-%e4%b8%ad-like-%e6%9f%a5%e8%af%a2%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e7%89%b9%e6%ae%8a%e5%ad%97%e7%ac%a6%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/27299\/","title":{"rendered":"SQL \u4e2d LIKE \u67e5\u8be2\u5982\u4f55\u5904\u7406\u7279\u6b8a\u5b57\u7b26\u201c”\u201d\uff1f"},"content":{"rendered":"

\"SQL<\/p>\n

sql \u4e2d like \u67e5\u8be2\u7279\u6b8a\u5b57\u7b26 “” \u95ee\u9898\u63a2\u7a76<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong><\/p>\n

\u5728 sql \u4e2d\u4f7f\u7528 like \u8bed\u53e5\u67e5\u8be2\u6570\u636e\u65f6\uff0c\u5982\u679c\u5b57\u6bb5\u503c\u4e2d\u5305\u542b\u7279\u6b8a\u5b57\u7b26 “”\uff0c\u5219\u67e5\u8be2\u4e0d\u5230\u6b63\u786e\u7ed3\u679c\u3002\u4f8b\u5982\uff0c\u5f53\u8981\u67e5\u8be2\u4e00\u4e2a\u5b57\u6bb5\u4e2d “totalcount” \u4e3a true \u7684\u6570\u636e\u65f6\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n

select * from task where column_a like '%\"totalcount%'<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u53ef\u4ee5\u67e5\u8be2\u5230\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e\uff0c\u4f46\u5982\u679c\u8bed\u53e5\u4e2d\u5305\u542b\u53cc\u5f15\u53f7 (“) \u548c\u53cd\u659c\u6760 ()\uff0c\u5219\u67e5\u8be2\u4e0d\u51fa\u4efb\u4f55\u7ed3\u679c\uff1a<\/p>\n
select * from task where column_a like '%\"totalcount\"%'<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u89e3\u7b54\uff1a<\/strong><\/p>\n
\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u9700\u8981\u5bf9 like \u8bed\u53e5\u8fdb\u884c\u8f6c\u4e49\u5904\u7406\u3002\u5728 sql \u4e2d\uff0c\u53cd\u659c\u6760 () \u7528\u4f5c\u8f6c\u4e49\u5b57\u7b26\uff0c\u5b83\u8868\u793a\u4e0b\u4e00\u4e2a\u5b57\u7b26\u4e0d\u5177\u6709\u7279\u6b8a\u542b\u4e49\uff0c\u5e94\u6309\u5b57\u9762\u503c\u89e3\u91ca\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u5728 like \u8bed\u53e5\u4e2d\u5305\u542b\u53cd\u659c\u6760\uff0c\u9700\u8981\u8f6c\u4e49\u5b83\u3002<\/p>\n
\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u8f6c\u4e49\u53cd\u659c\u6760\u7684\u6b63\u786e\u5199\u6cd5\uff1a<\/p>\n
SELECT * FROM task WHERE column_a LIKE '%\\\\\"totalCount\\\\\"%'<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u8fd9\u4e2a\u8bed\u53e5\u4e2d\uff0c\u53cd\u659c\u6760\u524d\u9762\u6dfb\u52a0\u4e86\u53e6\u4e00\u4e2a\u53cd\u659c\u6760\u6765\u8f6c\u4e49\u5b83\u3002 \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, like \u8bed\u53e5\u53ef\u4ee5\u6b63\u786e\u8bc6\u522b\u53cd\u659c\u6760\u548c\u53cc\u5f15\u53f7\uff0c\u5e76\u8fd4\u56de\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8f6c\u4e49\u5b57\u7b26\u524d\u9762\u7684\u53cd\u659c\u6760\u6570\u91cf\u4e0d\u5fc5\u4e25\u683c\u4e3a 4 \u4e2a\u3002\u53ef\u4ee5\u662f 0 \u5230 7 \u4e2a\u53cd\u659c\u6760\uff0c\u67e5\u8be2\u7ed3\u679c\u90fd\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fSQL \u4e2d LIKE \u67e5\u8be2\u5982\u4f55\u5904\u7406\u7279\u6b8a\u5b57\u7b26\u201c”\u201d\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
sql \u4e2d like \u67e5\u8be2\u7279\u6b8a\u5b57\u7b26 “” \u95ee\u9898\u63a2\u7a76 \u95ee\u9898\uff1a \u5728 sql \u4e2d\u4f7f\u7528 like \u8bed\u53e5\u67e5\u8be2\u6570\u636e\u65f6\uff0c\u5982\u679c\u5b57\u6bb5\u503c\u4e2d\u5305\u542b\u7279\u6b8a\u5b57\u7b26 “”\uff0c\u5219\u67e5\u8be2\u4e0d\u5230\u6b63\u786e\u7ed3\u679c\u3002\u4f8b\u5982\uff0c\u5f53\u8981\u67e5\u8be2\u4e00\u4e2a\u5b57\u6bb5\u4e2d “totalcount” \u4e3a true \u7684\u6570\u636e\u65f6\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a select * from task where column_a like ‘%”totalcount%’ \u767b\u5f55\u540e\u590d\u5236 \u53ef\u4ee5\u67e5\u8be2\u5230\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e\uff0c\u4f46\u5982\u679c\u8bed\u53e5\u4e2d\u5305\u542b\u53cc\u5f15\u53f7 (“) \u548c\u53cd\u659c\u6760 ()\uff0c\u5219\u67e5\u8be2\u4e0d\u51fa\u4efb\u4f55\u7ed3\u679c\uff1a select * from task where column_a like ‘%”totalcount”%’ \u767b\u5f55\u540e\u590d\u5236 \u89e3\u7b54\uff1a \u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u9700\u8981\u5bf9 like \u8bed\u53e5\u8fdb\u884c\u8f6c\u4e49\u5904\u7406\u3002\u5728 sql \u4e2d\uff0c\u53cd\u659c\u6760 () \u7528\u4f5c\u8f6c\u4e49\u5b57\u7b26\uff0c\u5b83\u8868\u793a\u4e0b\u4e00\u4e2a\u5b57\u7b26\u4e0d\u5177\u6709\u7279\u6b8a\u542b\u4e49\uff0c\u5e94\u6309\u5b57\u9762\u503c\u89e3\u91ca\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u5728 like \u8bed\u53e5\u4e2d\u5305\u542b\u53cd\u659c\u6760\uff0c\u9700\u8981\u8f6c\u4e49\u5b83\u3002 \u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u8f6c\u4e49\u53cd\u659c\u6760\u7684\u6b63\u786e\u5199\u6cd5\uff1a SELECT * FROM task WHERE […]<\/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-27299","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27299","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=27299"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27299\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=27299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=27299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=27299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}