通过BINLOG日志查找指定日期的SQL语句_MySQL
bitsCN.com
通过BINLOG日志查找指定日期的SQL语句
在95数据库服务器查找posts.post_thread的postid=1652971,在 2013-02-24 日执行的对数据有修改的SQL语句
www.bitsCN.com
# grep datadir /etc/mysql/my.cnf
datadir = /ssd/mysql
# cd /ssd/mysql
# mysql -A -e "show master status " | awk 'NR==2{print $1}' | awk -F. '{print $1}'
mysqld-bin 这里的内容为mysqlbinlog日志的前缀,因为如果是从数据库,还会有replylog.
找Binlog日志,取前一天的最后一个日志,以及24号创建的所有的日志
# ls –l
…
-rw-rw---- 1 mysql mysql 1075302338 Feb 22 04:00 mysqld-bin.000035
-rw-rw---- 1 mysql mysql 1092104643 Feb 22 14:10 mysqld-bin.000036
-rw-rw---- 1 mysql mysql 1073742083 Feb 23 00:06 mysqld-bin.000037
-rw-rw---- 1 mysql mysql 1073742129 Feb 23 05:26 mysqld-bin.000038
-rw-rw---- 1 mysql mysql 1073742102 Feb 23 15:30 mysqld-bin.000039
-rw-rw---- 1 mysql mysql 1073742095 Feb 24 01:36 mysqld-bin.000040
-rw-rw---- 1 mysql mysql 1076478877 Feb 24 09:00 mysqld-bin.000041
-rw-rw---- 1 mysql mysql 1087015180 Feb 24 15:00 mysqld-bin.000042
-rw-rw---- 1 mysql mysql 1073742090 Feb 25 01:31 mysqld-bin.000043
-rw-rw---- 1 mysql mysql 1073742037 Feb 25 08:47 mysqld-bin.000044
-rw-rw---- 1 mysql mysql 1073741919 Feb 25 15:45 mysqld-bin.000045
-rw-rw---- 1 mysql mysql 1073742218 Feb 26 03:36 mysqld-bin.000046
-rw-rw---- 1 mysql mysql 689342483 Feb 26 09:45 mysqld-bin.000047
…
这个时候我们需要分析的binlog日志为mysqld-bin.0000{39,4[0-2]}
# ls mysqld-bin.0000{39,4[0-2]}
mysqld-bin.000039 mysqld-bin.000040 mysqld-bin.000041 mysqld-bin.000042
# cat /root/findsql.sh
#!/bin/bash
BINLOGDIR=`cat /etc/mysql/my.cnf | grep datadir | awk '{print $3}'`
MYSQL="/usr/bin/mysql -A -e "
DATABASE="posts"
cd "${BINLOGDIR}"
BINLOGS=`ls mysqld-bin.0000{39,4[0-2]}`
for i in ${BINLOGS}
do
${MYSQL} "show binlog events in '${i}'" | grep "Query">>"${BINLOGDIR}/${i}.sql"
done
# chmod 755 /root/findsql.sh
先把binlog日志导出来,别做任何修改。至少这样的语句我们就认识了,然后再来搜索我们需要的语句。 www.bitsCN.com
# /root/findsql.sh
# ls mysqld-bin.0000{39,4[0-2]}.sql
mysqld-bin.000039.sql mysqld-bin.000041.sql
mysqld-bin.000040.sql mysqld-bin.000042.sql
在这些SQL中对数据进行筛选,这里的筛选需要看你自己的能力了,
会awk sed grep这三个就够了,awk建议必会。grep平时用的也特别多,应该不难。
# cat /root/parsesql.sh
#!/bin/bash
for i in `ls mysqld-bin.0000{39,4[0-2]}.sql`
do
awk -F 'use `posts`; ' '{print $2}' $i | grep -v 'chapterclick=chapterclick' | grep -v 'novelscore=novelscore' | grep 1652971 >> 1652971.sql
echo $i
done
# chmod 755 /root/parsesql.sh
# /root/parsesql.sh
1652971.sql这个里面的内容就是我们最后的成果
bitsCN.com

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



Go language is an efficient, concise and easy-to-learn programming language. It is favored by developers because of its advantages in concurrent programming and network programming. In actual development, database operations are an indispensable part. This article will introduce how to use Go language to implement database addition, deletion, modification and query operations. In Go language, we usually use third-party libraries to operate databases, such as commonly used sql packages, gorm, etc. Here we take the sql package as an example to introduce how to implement the addition, deletion, modification and query operations of the database. Assume we are using a MySQL database.

How to install PHPFFmpeg extension on server? Installing the PHPFFmpeg extension on the server can help us process audio and video files in PHP projects and implement functions such as encoding, decoding, editing, and processing of audio and video files. This article will introduce how to install the PHPFFmpeg extension on the server, as well as specific code examples. First, we need to ensure that PHP and FFmpeg are installed on the server. If FFmpeg is not installed, you can follow the steps below to install FFmpe

Hibernate polymorphic mapping can map inherited classes to the database and provides the following mapping types: joined-subclass: Create a separate table for the subclass, including all columns of the parent class. table-per-class: Create a separate table for subclasses, containing only subclass-specific columns. union-subclass: similar to joined-subclass, but the parent class table unions all subclass columns.

Apple's latest releases of iOS18, iPadOS18 and macOS Sequoia systems have added an important feature to the Photos application, designed to help users easily recover photos and videos lost or damaged due to various reasons. The new feature introduces an album called "Recovered" in the Tools section of the Photos app that will automatically appear when a user has pictures or videos on their device that are not part of their photo library. The emergence of the "Recovered" album provides a solution for photos and videos lost due to database corruption, the camera application not saving to the photo library correctly, or a third-party application managing the photo library. Users only need a few simple steps

HTML cannot read the database directly, but it can be achieved through JavaScript and AJAX. The steps include establishing a database connection, sending a query, processing the response, and updating the page. This article provides a practical example of using JavaScript, AJAX and PHP to read data from a MySQL database, showing how to dynamically display query results in an HTML page. This example uses XMLHttpRequest to establish a database connection, send a query and process the response, thereby filling data into page elements and realizing the function of HTML reading the database.

How to use MySQLi to establish a database connection in PHP: Include MySQLi extension (require_once) Create connection function (functionconnect_to_db) Call connection function ($conn=connect_to_db()) Execute query ($result=$conn->query()) Close connection ( $conn->close())

To handle database connection errors in PHP, you can use the following steps: Use mysqli_connect_errno() to obtain the error code. Use mysqli_connect_error() to get the error message. By capturing and logging these error messages, database connection issues can be easily identified and resolved, ensuring the smooth running of your application.

According to news from this website on July 23, ASUS has launched a variety of server and workstation-level products powered by AMD EPYC 4004 series processors. Note from this site: AMD launched the AM5 platform and Zen4 architecture EPYC 4004 series processors in May, offering up to 16-core 3DV-Cache specifications. ASUSProER100AB6 server ASUSProER100AB6 is a 1U rack server product equipped with EPYC Xiaolong 4004 series processor, suitable for the needs of IDC and small and medium-sized enterprises. ASUSExpertCenterProET500AB6 workstation ASUSExpertCenterProET500AB6 is a
