Infinidat/infi.clickhouse_orm
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Moved code example to another section

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M1ha 2017-02-09 09:50:32 +05:00 committed by Itai Shirav
parent 14f2ab78b5
commit 64f6288fdb
1 changed files with 11 additions and 11 deletions
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README.rst
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@ -191,17 +191,6 @@ System models
System models are read only models for implementing part of the system's functionality, System models are read only models for implementing part of the system's functionality,
and for providing access to information about how the system is working. and for providing access to information about how the system is working.
Usage example::
from infi.clickhouse_orm.database import Database
from infi.clickhouse_orm.system_models import SystemPart
db = Database('my_test_db', db_url='http://192.168.1.1:8050', username='scott', password='tiger')
partitions = SystemPart.get_active(db, conditions='') # Getting all active partitions of the database
if len(partitions) > 0:
partitions = sorted(partitions, key=lambda obj: obj.name) # Partition name is YYYYMM, so we can sort so
partitions[0].freeze(db) # Make a backup in /opt/clickhouse/shadow directory
partitions[0].drop() # Dropped partition
Currently the following system models are supported: Currently the following system models are supported:
=================== ============ =================================================== =================== ============ ===================================================
@ -230,6 +219,17 @@ freeze database, settings=None Freezes (makes backup) of the pa
fetch database, settings=None Fetches partition. Settings is a dict of params to pass to http request fetch database, settings=None Fetches partition. Settings is a dict of params to pass to http request
=================== ======================= ============================================================================================= =================== ======================= =============================================================================================
Usage example::
from infi.clickhouse_orm.database import Database
from infi.clickhouse_orm.system_models import SystemPart
db = Database('my_test_db', db_url='http://192.168.1.1:8050', username='scott', password='tiger')
partitions = SystemPart.get_active(db, conditions='') # Getting all active partitions of the database
if len(partitions) > 0:
partitions = sorted(partitions, key=lambda obj: obj.name) # Partition name is YYYYMM, so we can sort so
partitions[0].freeze(db) # Make a backup in /opt/clickhouse/shadow directory
partitions[0].drop() # Dropped partition
``Note``: system.parts stores information for all databases. To be correct, ``Note``: system.parts stores information for all databases. To be correct,
SystemPart model was designed to receive only given database parts. SystemPart model was designed to receive only given database parts.