mybatis-spring-1.2.2 | spring 1.2.2 add dao redis cache annotation config | Object-Relational Mapping library
kandi X-RAY | mybatis-spring-1.2.2 Summary
kandi X-RAY | mybatis-spring-1.2.2 Summary
MyBatis-Spring is an easy-to-use Spring3 bridge for MyBatis sql mapping framework. See the docs in: Download sources, jars and bundles from: 大数据环境下,分库分表,都是简单查询,缓存Key的生成机制是业务自己生成, 而不是依赖底层mybatis的缓存机制,很多项目的dao层都是两层,第一层是和mysql 交互的部分,第二层是业务自己加的缓存,需要硬编码写代码,另外,需要手动 清理缓存,如果忘记清理关键key,数据可能不一致,使用注解的方式加缓存, 在所有更新或者添加时,删除更新了的缓存数据,方便获取最新数据,另外, 还可以依赖其他系统,比如后台是php的,更新了db之后,把table中的数据 同步过来,缓存也会清除。. operate:缓存类型,与查询SQL一致,multiselect除外 key:影响范围取值字段,加入更新字段,方便删除 prefix:cache object前缀 refkey:cache组 refPrefix :cache组 cache组=refPrefix+refKey. 对于select,proxy会生成缓存 缓存key生成策略如下: objectcachekey = refprefix+version+args[0]+args[1]+... 对于传入参数id为10的getById会生成objectcachekey为user_v1.0_10, 如果之前已经缓存,此时通过redis key user_v1.0_10就可以拿到user这个对象 如果之前没有缓存,会在redis中set,同时把objectcachekey加入组单个查询影响范围 影响范围使用redis set实现,即objectcachekey加入set集合中,set的key生成如下: refprefix+key+"affected_"+version+keyvalue 其他查询也一样,加入影响范围只为清空缓存 redis 操作如下: set(user_v1.0_10,a,ttl) sadd(user_id_afftected_v1.0_10,user_v1.0_10),当有更新时清除该key,更新都是按照id更新. 对于同属于一个组的所有update和delete,有且仅有一个和组名一样的select,即:key=refkey,prefix=refprefix,即getById 对于updateById,updateScoreById,deleteById其组为user_id,这个组对应的组查询为getById 当做这些操作时,cacheproxy会找到组的select,即getByid,同时拿到组的所有查询即 getListByCommunityAndPartAndBuildingAndUnit,getCountByCommunityAndPartAndBuildingAndUnit,getByToken,getByMobile,getById 拿到select作用是拿到老数据和更新db后的新数据,拿到相关查询是为了清除查询相关缓存 拿到老数据和新数据都是一个对象,和这个对象有关的查询缓存key都会被删除 对于关联查询getByMobile,会转换getById拿到的老数据和新数据userinfo,会从中抽取getBymobile的key值即mobile,生成影响范围key,将key和key里的set集合objectcachekey删除. 喜欢就给个赞,拥抱开源,贡献开源 联系方式 QQ:839861706 Email : linsony0@163.com.
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Top functions reviewed by kandi - BETA
- Post process a bean definition registry
- Registers the filters to be used by the scanner
- Processes the bean definition that contains property placeholder substitutions
- Updates the value of the property
- On update
- Checks if a string is blank
- Parse a single field value
- Registers all bean definitions
- Scan the MapperFactory
- Closes the given Session
- Initialize SQL session
- Checks if the given SqlSession is transactional
- Get sql session factory
- Translates the exception if possible
- Get the string value
- Start the pool
- Increment the value of the specified key
- Set a string value
- Ensures that the DAO configuration is valid
- Reads page
- Execute a batch of items
- To bean
- Parses the given element
- Remove a set of values from a set
mybatis-spring-1.2.2 Key Features
mybatis-spring-1.2.2 Examples and Code Snippets
Community Discussions
Trending Discussions on Utilities
QUESTION
I've been upgrading my CRA project to TailwindCSS 3, but now CSS nesting no longer works. Upon starting the server, the console spits out:
...ANSWER
Answered 2022-Feb-03 at 18:38This is mostly just bad news.
Create React App's Tailwind support means that they will detect tailwind.config.js
in the project and add tailwindcss
to their existing postcss
configuration. Source in CRA
The guide that Tailwind offers on their site creates a dummy postcss.config.js
- Making changes in this file does not change the actual postcss configuration. (misleading if anything)
This is a known issue currently - Github discussion on Tailwind support PR between Adam Wathan (Tailwind founder) and Ian Sutherland (CRA maintainer). But it does not seem like there is an intention to be fixed soon.
If you want to use nesting (or any PostCSS plugin really) is to eject from CRA using:
QUESTION
I'm attempting to create an apollo client
plugin for a Nuxt 3
application. It's currently throwing an error regarding a package called ts-invariant
:
ANSWER
Answered 2022-Jan-07 at 01:52Solved by including @apollo/client
and ts-invariant/process
into the nuxt build transpile like so:
QUESTION
Very first try on Nuxt3 via Nuxt3 Starter
I wonder how can I use tailwindcss in Nuxt3 Starter manually.
(Not via @nuxtjs/tailwindcss , because it's for Nuxt2, and not work with Nuxt3.)
I created a blank Nuxt3 project by
...ANSWER
Answered 2021-Oct-04 at 04:17Maybe your problem is because you need a tailwindcss.config.js
.
For this, simply type in the console:
QUESTION
In a fresh Laravel 9 installation, the URL processing from Laravel Mix does not work anymore.
npm outputs the following:
...ANSWER
Answered 2022-Feb-22 at 10:55Actually moving the css imports into resources/js/app.js
solves this problem. However, this results in the imported css to be included in the public/js/app.js
, not the public/css/app.css
.
QUESTION
I'm trying the create a 3D subscene with objects being labelled using Label objects in a 2D overlay. I've seen similar questions to mine on this subject, and they all point to using the Node.localToScene method on the node to be labelled in the 3D space. But this doesn't seem to work for my case. I've taken example code from the FXyz FloatingLabels example here:
The Label objects need to have their positions updated as the 3D scene in modified, which I've done but when I print out the coordinates returned by the Node.localToScene method, they're much too large to be within the application scene, and so the labels are never visible in the scene. I've written an example program that illustrates the issue, set up very similarly to the FXyz sample code but I've created an extra SubScene object to hold the 2D and 3D SubScene objects in order to plant them into a larger application window with slider controls. The 3D scene uses a perspective camera and shows a large sphere with coloured spheres along the x/y/z axes, and some extra little nubs on the surface for reference:
...ANSWER
Answered 2022-Feb-02 at 12:28If you follow what has been done in the link you have posted you'll make it work.
For starters, there is one subScene, not two.
So I've removed these lines:
QUESTION
I am new to angular and was following the documentation to build a basic app.
Node - v14.7.3
npm - 7.22.0
Angular CLI: 12.2.4
OS: win32 x64
@angular-devkit/architect 0.1202.4
@angular-devkit/build-angular 12.2.4
@angular-devkit/core 12.2.4
@angular-devkit/schematics 12.2.4
@schematics/angular 12.2.4
rxjs 6.6.7
typescript 4.3.5
So far all I have done is
npm install @angular/cli
followed by ng new firstApp
and ng serve
Following is the error that I am receiving,
...ANSWER
Answered 2021-Sep-10 at 07:17Try to install those modules separately npm install
:
QUESTION
I've installed tailwind using npm install tailwindcss
I then create my src/style.css file and include
ANSWER
Answered 2021-Dec-25 at 20:47You need to add a config js file for the tailwind engine, inside the config file use content
attribute to define where is your HTML or JS files, the new engine automatically looks inside these files and compiles only the classes that you used.
Check this video for more information:https://youtu.be/mSC6GwizOag?t=22
QUESTION
I am testing a library like follows:
...ANSWER
Answered 2022-Jan-20 at 14:01Here's the equivalent C++20 code to your first version of FromDateTime
:
QUESTION
I'm looking for ways to count the number of trailing newlines from possibly binary data either:
- read from standard input
- or already in a shell variable (then of course the "binary" excludes at least 0x0) using POSIX or coreutils utilities or maybe Perl.
This should work without temporary files or FIFOs.
When the input is in a shell variable, I already have the following (possibly ugly but) working solution:
...ANSWER
Answered 2022-Jan-18 at 13:29Using GNU awk for RT
and without reading all of the input into memory at once:
QUESTION
I want to create dark mode for a web site which use bootstrap. I have to add new root class which includes all boostrap colors. Here is my colors.scss:
...ANSWER
Answered 2021-Aug-07 at 20:32As explained here, there's no way to attach a class to :root
. However, you don't need this to achieve what you want.
Simply make a dark
class then you can add that as desired to the html or body tag.
Make all the needed theme color changes inside .dark{}, and then @import "bootstrap". When .dark
doesn't exist on the body, the theme colors will return to Bootstrap defaults.
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Install mybatis-spring-1.2.2
You can use mybatis-spring-1.2.2 like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the mybatis-spring-1.2.2 component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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