#24018: Support journal_mode=WAL for sqlite
-------------------------------------+-------------------------------------
     Reporter:  Curtis Maloney       |                    Owner:  Aaron
                                     |  Linville
         Type:  New feature          |                   Status:  assigned
    Component:  Database layer       |                  Version:  dev
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:  Accepted
    Has patch:  1                    |      Needs documentation:  1
  Needs tests:  0                    |  Patch needs improvement:  1
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by Afonso Silva):

 Based on the previous answers, a workaround for allowing `init_command`
 similar to MySQL is to use a signal receiver for `connection_created`,
 e.g.:

 {{{#!python
 from django.conf import settings
 from django.db.backends.signals import connection_created
 from django.dispatcher import receiver

 @receiver(connection_created)
 def init_command(sender, connection, **kwargs) -> None:
     command = connection.settings_dict["OPTIONS"].get("init_command")
     if connection.vendor == "sqlite" and command:
         cursor = connection.cursor()
         cursor.execute(command)
 }}}

 This way you could add `init_command` to your `settings.py`:

 {{{#!python
 DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.sqlite3',
          'NAME': BASE_DIR / 'db.sqlite3',
          'OPTIONS': {
              'init_command': 'PRAGMA journal_mode=wal;'
          }
     }
 }

 }}}

 I think having this natively in Django would be useful, is there any help
 needed for the previous linked PR?

-- 
Ticket URL: <https://code.djangoproject.com/ticket/24018#comment:9>
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