func Open(driverName, dataSourceName string) (*DB, error) 1. Open打开一个dirverName指定的数据库,dataSourceName指定数据源,一般至少包括数据库文件名和其它连接必要的信息。 import ( "database/sql" _ "/go-sql-driver/mysql" ) func main() { //
COALESCE是大多数关系型数据库系统(SQLite、PostgreSQL、MySQL、SQL Server和Oracle)中的SQL函数。这个函数根据其给定的参数,尝试返回第一个非空值。文档 type User struct { id int64 name string age int32 } 1. 2. 3. 4. 5. err := db.QueryRow("SELECT COALESCE(NULL, '')").Scan(&) 1. 5) 不...
Go MySQL Driver is an implementation of Go's database/sql/driver interface. You only need to import the driver and can use the full database/sql API then.Use mysql as driverName and a valid DSN as dataSourceName:import ( "database/sql" "time" _ "github.com/go-sql-driver/mysql" )...
Error:database is locked You can ignore these messages. Example: db,err:=sql.Open("sqlite3","file:locked.sqlite?cache=shared") Second please set the database connections of the SQL package to 1. db.SetMaxOpenConns(1) More information see#209 ...
golang sqlite 速度慢 sql parser golang 1、database/sql包 sql包提供了保证SQL或类SQL数据库的泛用接口。 使用sql包时必须注入(至少)一个数据库驱动。 (1)获取mysql driver:go get -v /go-sql-driver/mysql (2)代码示例: package main import (...
// database drivers; pq will exec them all, sqlite3 won't, ymmv db.MustExec(schema) tx := db.MustBegin() tx.MustExec("INSERT INTO person (first_name, last_name, email) VALUES ($1, $2, $3)", "Jason", "Moiron", "jmoiron@jmoiron.net"...
This package provides a database/sql compatible driver for embedding Dolt inside a Go application. It allows you to access local Dolt databases via the file system, akin to SQLite, without running a Dolt server process. For details of the database/sql package see this tutorial. Below I will...
sqlite.sh - one-touch SQLite, starts sqlite3 shell with sample 'chinook' database loaded mysql*.sh - MySQL scripts: mysql.sh - shortens mysql command to connect to MySQL by auto-populating switches from both standard environment variables like $MYSQL_TCP_PORT, $DBI_USER, $MYSQL_PWD (see...
It is a golang database library that supports transparent caching of all table data. When the memory is large enough, caching services such as Memcached and Redis are no longer needed.Moreover, the speed of reading cache is quite fast, and the local test QPS reaches 3.5 million + / ...
Go/Echo+Templ+Htmx: Full stack application using Golang's Echo framework & Templ templating language with user session management + CRUD to a SQLite database (To Do List) and HTMX in the frontend - emarifer/go-echo-templ-htmx