Configuration

Library configuration is made in settings.py. All parameters start with CLICKHOUSE_ prefix. Prefix can be changed using CLICKHOUSE_SETTINGS_PREFIX parameter.

CLICKHOUSE_SETTINGS_PREFIX

Defaults to: 'CLICKHOUSE_'
You can change CLICKHOUSE_ prefix in settings using this parameter to anything your like.

CLICKHOUSE_DATABASES

Defaults to: {}
A dictionary, defining databases in django-like style.
Key is an alias to communicate with this database in connections and using.
Value is a configuration dict with parameters:

infi.clickhouse_orm database parameters
migrate: bool - indicates if this database should be migrated. See migrations.

Example:

CLICKHOUSE_DATABASES = {
    'default': {
        'db_name': 'test',
        'username': 'default',
        'password': ''
    },
    'reader': {
        'db_name': 'read_only',
        'username': 'reader',
        'readonly': True,
        'password': ''
    }   
}

CLICKHOUSE_DEFAULT_DB_ALIAS

Defaults to: 'default'
A database alias to use in QuerySets if direct using is not specified.

CLICKHOUSE_SYNC_STORAGE

Defaults to: 'django_clickhouse.storages.RedisStorage'
An intermediate storage class to use. Can be a string or class.

CLICKHOUSE_REDIS_CONFIG

Default to: None
Redis configuration for RedisStorage.
If given, should be a dictionary of parameters to pass to redis-py.

Example:

CLICKHOUSE_REDIS_CONFIG = {
    'host': '127.0.0.1',
    'port': 6379,
    'db': 8,
    'socket_timeout': 10
}

CLICKHOUSE_SYNC_BATCH_SIZE

Defaults to: 10000
Maximum number of operations, fetched by sync process from intermediate storage per sync) round.

CLICKHOUSE_SYNC_DELAY

Defaults to: 5 A delay in seconds between two sync rounds start.

CLICKHOUSE_MODELS_MODULE

Defaults to: 'clickhouse_models'
Module name inside django app, where ClickHouseModel classes are search during migrations.

CLICKHOUSE_DATABASE_ROUTER

Defaults to: 'django_clickhouse.routers.DefaultRouter'
A dotted path to class, representing database router.

CLICKHOUSE_MIGRATIONS_PACKAGE

Defaults to: 'clickhouse_migrations' A python package name inside django app, where migration files are searched.

CLICKHOUSE_MIGRATION_HISTORY_MODEL

Defaults to: 'django_clickhouse.migrations.MigrationHistory'
A dotted name of a ClickHouseModel subclass (including module path), representing MigrationHistory model.

CLICKHOUSE_MIGRATE_WITH_DEFAULT_DB

Defaults to: True
A boolean flag enabling automatic ClickHouse migration, when you call migrate on default database.

CLICKHOUSE_STATSD_PREFIX

Defaults to: clickhouse
A prefix in statsd added to each library metric. See monitoring.

CLICKHOUSE_CELERY_QUEUE

Defaults to: 'celery'
A name of a queue, used by celery to plan library sync tasks.

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