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"PostgreSQL索引详解-B-Tree、GIN与GiST"

"深入理解PostgreSQL主流索引类型的适用场景与优化策略，指导高效查询设计。"

数据库索引优化实战（B-Tree、覆盖索引、选择性与回表）

结合 B-Tree 工作原理，解释覆盖索引与选择性对查询性能的影响，并提供可验证的优化与观测方法。

Recovered Channel 1273 2026年02月13日 0 点赞 0 评论 3 浏览

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基本文件流程错误 SQL 调试

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[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.000102s ]
[ CACHE ] INIT File
[ BEHAVIOR ] Run \addons\cms\Cms @app_init [ RunTime:0.010336s ]
[ BEHAVIOR ] Run Closure @app_init [ RunTime:0.010466s ]
[ BEHAVIOR ] Run app\common\behavior\Common @app_init [ RunTime:0.001483s ]
[ LANG ] /www/wwwroot/yebinbing/thinkphp/lang/zh-cn.php
[ BEHAVIOR ] Run app\common\behavior\Common @app_dispatch [ RunTime:0.000121s ]
[ ROUTE ] array ( 'type' => 'method', 'method' => array ( 0 => '\\think\\addons\\Route', 1 => 'execute', ), 'var' => array ( 'addon' => 'cms', 'controller' => 'tag', 'action' => 'index', ), )
[ HEADER ] array ( 'cf-visitor' => '{"scheme":"https"}', 'cf-ipcountry' => 'US', 'cf-connecting-ip' => '216.73.216.35', 'cdn-loop' => 'cloudflare; loops=1', 'cf-ray' => '9cef49422d964bc2-CMH', 'accept-encoding' => 'gzip, br', 'cookie' => 'PHPSESSID=at1kj1ppgujs87jo43arq0crje', 'accept' => '*/*', 'user-agent' => 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])', 'connection' => 'close', 'remote-host' => '104.23.243.206', 'x-forwarded-port' => '80', 'x-forwarded-host' => 'ybb.press', 'x-forwarded-proto' => 'http', 'x-forwarded-for' => '216.73.216.35, 104.23.243.206', 'x-real-port' => '13950', 'x-real-ip' => '104.23.243.206', 'host' => 'ybb.ybb.press', 'content-length' => '', 'content-type' => '', )
[ PARAM ] array ( 'orderby' => 'views', 'orderway' => 'asc', 'diyname' => 'tree', )
[ RUN ] think\addons\Route->execute[ /www/wwwroot/yebinbing/vendor/fastadminnet/fastadmin-addons/src/addons/Route.php ]
[ LANG ] /www/wwwroot/yebinbing/public/../application/common/lang/zh-cn/addon.php
[ BEHAVIOR ] Run app\common\behavior\Common @addon_begin [ RunTime:0.004566s ]
[ LANG ] /www/wwwroot/yebinbing/addons/cms/lang/zh-cn.php
[ DB ] INIT mysql
[ VIEW ] /www/wwwroot/yebinbing/addons/cms/view/default/tag.html [ array ( 0 => 'config', 1 => 'user', 2 => 'site', 3 => '__CHANNEL__', 4 => 'isWechat', 5 => '__FILTERLIST__', 6 => '__ORDERLIST__', 7 => '__TAG__', 8 => '__TAGS__', 9 => '__PAGELIST__', ) ]
[ SESSION ] INIT array ( 'id' => '', 'var_session_id' => '', 'prefix' => 'think', 'type' => '', 'auto_start' => true, )
[ BEHAVIOR ] Run \addons\cms\Cms @view_filter [ RunTime:0.000367s ]

1.005006s

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"PostgreSQL索引详解-B-Tree、GIN与GiST"

数据库索引优化实战（B-Tree、覆盖索引、选择性与回表）

tree

首页

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列表

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