Libraries Apache 2.0 • github.com/aws/aws-sdk-go-v2 • github.com/dgraph-io/badger • github.com/golang/mock • github.com/google/wire • github.com/pkg/errors • github.com/pquerna/otp • github com/googollee/go-socket.io • github.com/namsral/flag • github.com/shirou/gopsutil • golang.org/x/crypto 55 • golang.org/x/image • www.npmjs.com/package/highlight.js BSD 2-Clause • github.com/go-redis/redis • gopkg.in/guregu/null.v3 Freetype • github.com/golang/freetype ISC • github.com/howeyc/gopass • github.com/oschwald/geoip2-golang • www.npmjs.com/package/https CC0 1.0 • www.npmjs

. . . . . . . . . . . . . . . . 55 Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Resharding . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Replica Transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Reserved Connections . . . . . instead. 33 Install Dependencies Install Go 1.17+ Download and install Golang 1.17. For example, at writing: curl -LO https://golang.org/dl/go1.17.linux-amd64.tar.gz sudo tar -C /usr/local -xzf go1.17.linux-amd64

. . . . . . . . . . . . . . . . . 55 Future improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 3 Vstream . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 VStream Skew Minimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 VStream Skew Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 VStream API and Resharding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

· · · · · · · · · · · · · · · · · · · · · · · · 145 4.3.1 Build a Simple CRUD App with TiDB and Golang · · · · · · · · · · · · · · · · · 145 4.3.2 Build a TiDB Application Using Spring Boot · · · · · �→ - �→ guard �→ - �→ ratio �→ ), but changed to a sys- tem vari- able start- ing from TiDB v6.1.0. 55 Variable name Change type Description tidb_prepared_plan_cache_size �→ Newly added This set- ting Simple CRUD App with TiDB and Golang This document describes how to use TiDB and Golang to build a simple CRUD appli- cation. 145 Note: It is recommended to use Golang 1.20 or a later version. 4.3

takes value as the unit. Starting from TiDB v7.6.0, the default compres- sion algo- rithm is zstd. 55 Configuration file Configuration parame- ter Change type Description TiKV rocksdb �→ . �→ defaultcf #49487 @winoros • Fix the issue of excessive statistical error in constructing statistics caused by Golang’s implicit conversion algorithm #49801 @qw4990 • Fix the issue that Daylight Saving Time is displayed sample code reposi- tory: git clone https://github.com/tidb-samples/tidb-golang-sql-driver-quickstart. �→ git cd tidb-golang-sql-driver-quickstart Step 2: Configure connection information Connect to

instead. Install Dependencies Install Go 1.15+ Download and install Golang 1.15. For example, at writing: curl -O https://golang.org/dl/go1.15.6.linux-amd64.tar.gz sudo tar -C /usr/local -xzf go1.15 with the local install guide instead. Install Dependencies Install Go 1.15+ Download and install Golang 1.15. For example, at writing: curl -O https://dl.google.com/go/go1.15.6.linux-amd64.tar.gz sudo a0bb -04ed332e05c2:1-76" > > type:COMMIT timestamp:1616749631 current_time:1616749631517789376 ] 55 Schema Tracker description: Tracking schema changes in Vstreams Tracking schema changes in Vstreams

TiCDC when parsing DDL state- ments. The default value is the same as the default SQL mode of TiDB. 55 Configuration file Configuration parame- ter Change type Description TiDB Light- ning -- �→ importer sample code reposi- tory: git clone https://github.com/tidb-samples/tidb-golang-sql-driver-quickstart. �→ git cd tidb-golang-sql-driver-quickstart Step 2: Configure connection information Connect to application development. For complete sample code and how to run it, check out the tidb-samples/tidb-golang-sql- driver-quickstart repository. Connect to TiDB func openDB(driverName string, runnable func(db

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 106 4.3.1 TiDB 和 Golang 的简单 CRUD 应用程序 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 106 topic、dispatchers.partition 配置后不支持降级到 v6.1.0 以前的版本。 • TiCDC 使用 Avro 协议的 Changefeed 不支持降级到 v6.1.0 以前的版本。 55 2.2.3 改进提升 • TiDB – 提升 UnionScanRead 算子的性能 #32433 – 优化 Explain 输出中 task type 的显示（增加 MPP task type）#33332 SELECT * FROM person WHERE id < 5; 4.3 示例程序 4.3.1 TiDB 和 Golang 的简单 CRUD 应用程序 本文档将展示如何使用 TiDB 和 Golang 来构造一个简单的 CRUD 应用程序。 注意： 推荐使用 Golang 1.20 以上版本进行 TiDB 的应用程序的编写。 4.3.1.1 第 1 步：启动你的 TiDB 集群 本节将介绍

compute architecture, TiFlash might panic when the compute node process is stopped #8860 @guo-shaoge 55 • Fix the issue that TiFlash might return an error when executing queries containing virtual generated sample code reposi- tory: git clone https://github.com/tidb-samples/tidb-golang-sql-driver-quickstart. �→ git cd tidb-golang-sql-driver-quickstart Step 2: Configure connection information Connect to application development. For complete sample code and how to run it, check out the tidb-samples/tidb-golang-sql- driver-quickstart repository. Connect to TiDB func openDB(driverName string, runnable func(db

the ex- ecution mode of DML state- ments. The value options are " �→ standard �→ " and "bulk" �→ . 55 Variable name Change type Description tidb_ �→ enable �→ _ �→ auto �→ _ �→ analyze �→ _ �→ priority sample code reposi- tory: git clone https://github.com/tidb-samples/tidb-golang-sql-driver-quickstart. �→ git cd tidb-golang-sql-driver-quickstart Step 2: Configure connection information Connect to application development. For complete sample code and how to run it, check out the tidb-samples/tidb-golang-sql- driver-quickstart repository. Connect to TiDB func openDB(driverName string, runnable func(db