{"id":439036,"date":"2021-04-12T11:29:54","date_gmt":"2021-04-12T03:29:54","guid":{"rendered":"http:\/\/4563.org\/?p=439036"},"modified":"2021-04-12T11:29:54","modified_gmt":"2021-04-12T03:29:54","slug":"%e5%a4%a7%e6%95%b0%e6%8d%ae%e9%87%8f%e6%a8%a1%e7%b3%8a%e5%8c%b9%e9%85%8d%e6%9c%89%e5%bf%ab%e9%80%9f%e5%93%8d%e5%ba%94%e7%9a%84%e4%bc%98%e5%8c%96%e6%96%b9%e6%a1%88%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=439036","title":{"rendered":"\u5927\u6570\u636e\u91cf\u6a21\u7cca\u5339\u914d\u6709\u5feb\u901f\u54cd\u5e94\u7684\u4f18\u5316\u65b9\u6848\u5417\uff1f"},"content":{"rendered":"
\n
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\u5927\u6570\u636e\u91cf\u6a21\u7cca\u5339\u914d\u6709\u5feb\u901f\u54cd\u5e94\u7684\u4f18\u5316\u65b9\u6848\u5417\uff1f <\/h1>\n

<\/p>\n

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

\u80cc\u666f<\/p>\n

MySQL\uff0c\u5355\u8868\u6570\u636e\u91cf\u8d85\u8fc7 2000 \u4e07\uff0c\u9700\u6c42\u662f\u8981\u6c42\u5feb\u901f\u6a21\u7cca\u67e5\u8be2\u3002<\/p>\n

select * from xxx where aaa like ‘%yyyyy’ ; <\/p>\n

\u6709\u5feb\u901f\u4f18\u5316\u65b9\u6848\u5417\uff1f<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (31<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : johnsona <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u52a0\u4e00\u5217\u628a\u539f\u6765\u7684\u5217 reverse \u4e00\u4e0b \u8fd9\u6837\u5c31\u80fd\u7528\u5230\u7d22\u5f15\u4e86\uff08 bushi <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lscexpress <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f7f\u7528 fulltext <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Justin13 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u4e0d\u9ad8\u53ef\u4ee5\u52a0\u7f13\u5b58\uff0c\u628a\u67e5\u8be2\u7ed3\u679c\u5b58\u50a8\u8d77\u6765\u3002
    \u8981\u6c42\u5b9e\u65f6\u4f46\u662f\u67e5\u8be2\u662f\u56fa\u5b9a\u7684\u8bdd\uff0c\u53ef\u4ee5\u52a0\u4e00\u7d22\u5f15\u5217\uff0c\u5b58\u50a8\u67e5\u8be2\u7684\u7ed3\u679c\uff0c\u5199\u5165\u65f6\u4e00\u5e76\u6dfb\u52a0\u3002
    \u5982\u679c\u4ec0\u4e48\u90fd\u4e0d\u80fd\u505a\uff0c\u53ea\u80fd\u6539\u67e5\u8be2\uff0c\u90a3\u5c31\u6d17\u6d17\u7761\u5427\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : simon1991 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0a elasticsearch \uff08\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MinQ <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0a ES \u6216\u8005 Solr \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MinQ <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u800c\u4e14\u50cf xxxx%\u7684\u524d\u7f00\u67e5\u8be2\u624d\u80fd\u7528\u7d22\u5f15\uff0c%yyyyy \u5efa\u8bae\u76f4\u63a5\u653e\u5f03\u6cbb\u7597 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 3dwelcome <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @johnsona “\u52a0\u4e00\u5217\u628a\u539f\u6765\u7684\u5217 reverse \u4e00\u4e0b \u8fd9\u6837\u5c31\u80fd\u7528\u5230\u7d22\u5f15\u4e86\uff08 bushi”<\/p>\n

    \u6211\u89c9\u5f97 reverse \u8fd9\u79cd\uff0c\u65b0\u6570\u636e\u5e93\u5df2\u7ecf\u81ea\u5df1\u4f18\u5316\u6389\u4e86\u3002\u8981\u4e0d\u7136 2000 \u4e07\u6761\u6570\u636e\u65e0\u7d22\u5f15\u66b4\u529b\u67e5\u8be2\uff0c\u4e0d\u77e5\u9053\u6162\u5230\u4ec0\u4e48\u7a0b\u5ea6\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chinafengzhao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u597d\u610f\u601d\uff0c\u67e5\u8be2\u903b\u8f91\u8981\u6c42\u7684\u662f like %\u4f01\u4e1a\u540d\u5173\u952e\u8bcd% <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MinQ <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @3dwelcome mysql \u662f\u6ca1\u6709\u4f18\u5316\u7684\uff0c\u9700\u8981\u81ea\u5df1\u65b0\u589e\uff0c\u6bd4\u5982\u53d6\u524d N \u4e2a reverse \u7136\u540e\u5b58\u4e0b\u6765 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MinQ <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @chinafengzhao \u8fd8\u662f fulltext \u6216\u8005 ES \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chinafengzhao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u8bd5\u8bd5 fulltext <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 3dwelcome <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @MinQ “mysql \u662f\u6ca1\u6709\u4f18\u5316\u7684\uff0c\u9700\u8981\u81ea\u5df1\u65b0\u589e\uff0c\u6bd4\u5982\u53d6\u524d N \u4e2a reverse \u7136\u540e\u5b58\u4e0b\u6765”
    \u65b0\u7248\u672c\u5df2\u7ecf\u52a0\u4e0a\u4e86\uff0c\u6709\u65b0\u7684\u521b\u5efa index \u8bed\u6cd5, DESC \u5173\u952e\u8bcd, \u4e0d\u7528\u624b\u52a8 reverse \u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : leviathan0992 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5168\u6587\u7d22\u5f15 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Drinker <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    es \u53ef\u4ee5\u6216\u8005\u5206\u8868\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : securityCoding <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    2000 \u4e07\u8868\u8fd9\u4e2a\u6570\u91cf\u7ea7\u5e94\u8be5\u7981\u6b62\u7528 like \u4e86 , \u63a8\u8350\u7528\u5176\u4ed6\u7684\u4e2d\u95f4\u4ef6\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898,\u6bd4\u5982 es <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MinQ <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @3dwelcome
    \u4f60\u8bf4\u7684\u662f\u8fd9\u4e2a\u5417\uff1f<\/p>\n

    https:\/\/dev.mysql.com\/doc\/refman\/8.0\/en\/create-index.html<\/p>\n

    A key_part specification can end with ASC or DESC to specify whether index values are stored in ascending or descending order. The default is ascending if no order specifier is given. ASC and DESC are not permitted for HASH indexes. ASC and DESC are also not supported for multi-valued indexes. As of MySQL 8.0.12, ASC and DESC are not permitted for SPATIAL indexes.<\/p>\n

    \u597d\u50cf\u8fd9\u4e2a\u53ea\u662f\u5427\u7d22\u5f15\u7684\u987a\u5e8f\u6309\u4ece\u5c0f\u5230\u5927\u6216\u8005\u4ece\u5927\u5230\u5c0f\u6392\u5427\uff1f\u800c\u4e0d\u662f\u628a\u67d0\u4e00\u5217\u7684\u5b57\u7b26 reverse \u4ee5\u540e\u751f\u6210\u7d22\u5f15\uff1f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : fiypig <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    %% \u57fa\u672c\u4e0a\u7d22\u5f15\u5c31\u5931\u6548\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 3dwelcome <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @MinQ \u8bb0\u9519\u4e86\uff0c\u90a3\u5c31\u662f CREATE INDEX idx1 ON table1 REVERSE(col1);<\/p>\n

    REVERSE \u662f\u5bf9\u9488\u5bf9\u5b57\u7b26\u4e32\u5904\u7406\u7684\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MinQ <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @3dwelcome create index \u7684\u65f6\u5019\u4e0d\u80fd\u4f7f\u7528 reverse \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wakzz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u79cd\u6a21\u7cca\u67e5\u8be2\uff0cmysql \u8fd8\u662f\u653e\u5f03\u5427\uff0c\u7528 es <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : catchexception <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5012\u6392\u7d22\u5f15\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 3dwelcome <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @MinQ \u6211\u521a\u8bd5\u4e86\u4e00\u4e0b\uff0c\u6ca1\u53d1\u73b0\u6709\u4ec0\u4e48\u95ee\u9898\u3002<\/p>\n

    ALTER TABLE table1 ADD INDEX REVERSE(col); <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zhangysh1995 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @johnsona \u4e00\u8fd9\u4e2a\u867d\u7136\u6709\u70b9\u9b54\u5e7b\uff0c\u4f46\u662f\u633a\u9760\u8c31\u7684\u3002\u3002\u3002\u8d34\u4e3b\u8981\u4e0d\u8003\u8651\u4e0b\uff1f@chinafengzhao <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zzl22100048 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0a ES\uff0c\u6211\u4eec 2 \u4ebf\u4f01\u4e1a\u6570\u636e\uff0c\u5c31\u9760 ES \u6491\u7740 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ilylx2008 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6570\u636e\u53d8\u5316\u4e0d\u5927\u7684\u8bdd\uff0c\u904d\u5386 2000w \u6761\u8bb0\u5f55\uff0c\u4e0e\u516c\u53f8\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u751f\u6210\u4e00\u4e2a\u5173\u7cfb\u8868\u3002
    \u65b0\u589e\u6570\u636e\u540c\u6837\u5904\u7406\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : L1shen <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5acc es \u91cd\u7684\u8bdd\uff0c\u8fd8\u53ef\u4ee5\u7528 sonic
    https:\/\/github.com\/valeriansaliou\/sonic <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mlcq <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    2000 \u4e07\u8fd8\u4e0d\u5206\u8868\u5417\uff0c\u8fd8\u6709\u4f60\u7684\u7d22\u5f15\u8981\u5efa\u597d\uff0c\u5c3d\u91cf\u4e0d\u8981\u56de\u8868\u3002\u4f60\u90a3\u79cd\u5199\u6cd5\u662f\u4e0d\u8d70\u7d22\u5f15\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zhaokun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u589e\u52a0\u670d\u52a1\u6bd4\u5982 ES\uff0c\u53ef\u4ee5\u8003\u8651\u81ea\u5df1\u505a\u5012\u6392\u7d22\u5f15\uff0c\u5f53\u7136\u8981\u4f9d\u8d56\u5206\u8bcd\u670d\u52a1 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : long2ice <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8bd5\u8bd5 MySQL \u5168\u6587\u7d22\u5f15\uff0c\u6700\u7b80\u5355\u7684\u65b9\u6848\uff0c\u589e\u52a0\u4e2d\u95f4\u4ef6\u4e5f\u4f1a\u589e\u52a0\u7cfb\u7edf\u590d\u6742\u5ea6\uff0c\u9700\u8981\u4ed4\u7ec6\u8bc4\u4f30 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : johnsona <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zhangysh1995 \u4e3b\u8981 es \u4f9d\u8d56\u5206\u8bcd \u6548\u679c\u548c\u6a21\u7cca\u641c\u7d22\u4e0d\u4e00\u6837 \u5206\u8bcd\u6ca1\u5206\u51fa\u6765 \u90a3\u5c31\u641c\u4e0d\u5230 github \u7684 issue \u6a21\u5757\u641c\u7d22\u529f\u80fd\u5c31\u8fd9\u6837 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : vindurriel <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ES Solr Lucene \u89e3\u51b3\u4e0d\u4e86 like %foo% \u4e2d\u6587\u9ed8\u8ba4\u5355\u5b57\u5206\u8bcd\u7684\u65f6\u5019\u53ef\u4ee5\u6309\u5b57\u641c\u51fa\u6765 \u4f46\u8fd9\u4e0d\u662f like %foo% \u800c\u662f in (f, o, o) <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u5927\u6570\u636e\u91cf\u6a21\u7cca\u5339\u914d\u6709\u5feb\u901f\u54cd\u5e94\u7684\u4f18\u5316\u65b9…<\/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\/439036"}],"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=439036"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/439036\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=439036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=439036"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=439036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}