使用 postgresql 与 Django 连接进行故障排除 | Window 10

Question

I install PostgreSQL version 10

also, install pgAdmin4

During the PostgreSQL installation, as Every developer know default username = Postgres

My PostgreSQL username was Postgres.

installation window asked me the password, so put the new password

Now when I connect PostgreSQL to my Django project

I install this module

pip install psycopg2

I created a new database using pgAdmin4 named 'mydb'

In my Settings.py file

DATABASES = {
   'default': {
       'ENGINE': 'django.db.backends.postgresql_psycopg2',
       'NAME': 'mydb',
       'USERNAME':'postgres',
       'PASSWORD' : '<my_Password_here>' , # I entered the same password that i provided during postgres installation
       'HOST' : 'localhost',
       'PORT': '5432',
   }
}

postgres username = 'postgres'

where

my Window Username = 'Huzaifa'

ERROR is here

django.db.utils.OperationalError: FATAL:  password authentication failed for user "Huzaifa"

Why Postgres using my Window User (username) for authentication

NOTE:

I already set environment variables as following

C:\Program Files\PostgreSQL\10\lib

C:\Program Files\PostgreSQL\10\bin

Answer 1

After Posting this Question. I found what I was mistaking.

There is no Variable name USERNAME. change USERNAME to USER

DATABASES = {
   'default': {
       'ENGINE': 'django.db.backends.postgresql_psycopg2',
       'NAME': 'mydb',
       'USERNAME':'postgres', # <-- Here is the Mistake -->
       'PASSWORD' : '<my_Password_here>' ,
       'HOST' : 'localhost',
       'PORT': '5432',
   }
}

Change to...

DATABASES = {
   'default': {
       'ENGINE': 'django.db.backends.postgresql_psycopg2',
       'NAME': 'mydb',
       'USER':'postgres', # <-- Here is the Mistake -->
       'PASSWORD' : '<my_Password_here>' ,
       'HOST' : 'localhost',
       'PORT': '5432',
   }
}