pg_dump -U <username> -d <database_name> -f /path/to/backup/file.sql

psql -U <username> -d <database_name> -f /path/to/backup/file

pg_dump -U <username> -d <database_name> -f 20240618-01.sql --create

# 直接备份到外部文件
do

mongoexport --authenticationDatabase admin -u debug -p debug --db eform --collection __schema__ --out 123.json

mongoimport --authenticationDatabase admin -u debug -p debug --db eform --collection __schema__1 --jsonArray eform.__schema__.json

docker exec $DOCKER_CONTAINER mong

version: "3.1"

networks:
  mynet:
    driver: bridge

services:
  postgres-master:
    image: postgres:13.5
    environment:
      - POSTGRES_USER=m

class User(AbstractUser):
    """
    Default custom user model for backend.
    If adding fields that need to be filled at user signup,
    check forms.SignupForm and forms.SocialSignupForms accordingly.
    """

    clas

{workOrder: {$ne: null}}

package main

import (
    "fmt"
    "time"

    _ "github.com/go-sql-driver/mysql"
    "xorm.io/xorm"
)

type User struct {
    Id       int64
    Age      int
    Password string    `xorm:

go get -u gorm.io/gorm

go get -u gorm.io/driver/mysql

package appinit

import (
    appglobal "gin_gorm_mark_vscode/applications/app_global"

    "gorm.io/driver/mysql"
    "gorm.io/gorm"
    "gorm.io/gorm/logger&quo

# 1. 分页
res = collection.find({}, {"_id": 0}).limit(limit).skip(offset)

# 2. 查询, 并限制返回字段
# 前面括号是条件, 后面括号为限制返回字段(0不返回, 1返回)
res = collection.find_one({"user_id": pk}, {"_id": 0})

# 1. 插

version: '3'
services:
  mongodb-container:
    image: mongo:latest
    container_name: mongodb-container
    command: [--auth]
    environment:
      # 时区上海
      TZ: Asia/Shanghai
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: root
      MONGO_I