milvus/pyengine/engine/controller/meta_manager.py
jinhai 0f307f819a Update vector engine
Former-commit-id: 3b629dc6b4b17de7085ab6a8b688fb1406673ab8
2019-04-10 16:53:39 +08:00

61 lines
1.7 KiB
Python

from engine.model.group_table import GroupTable
from engine.model.file_table import FileTable
from engine.controller.error_code import ErrorCode
from engine import db
class MetaManager(object):
@staticmethod
def Sync():
db.session.commit()
@staticmethod
def AddGroup(group_name, dimension):
new_group = GroupTable(group_name, dimension)
# add into database
db.session.add(new_group)
return ErrorCode.SUCCESS_CODE, group_name
@staticmethod
def GetGroup(group_name):
group = GroupTable.query.filter(GroupTable.group_name==group_name).first()
if group:
return ErrorCode.SUCCESS_CODE, group
else:
return ErrorCode.FAULT_CODE, None
@staticmethod
def GetAllGroup():
groups = GroupTable.query.all()
return groups
@staticmethod
def DeleteGroup(group):
db.session.delete(group)
@staticmethod
def DeleteGroupFiles(group_name):
records = FileTable.query.filter(FileTable.group_name == group_name).all()
for record in records:
# print("record.group_name: ", record.group_name)
db.session.delete(record)
@staticmethod
def UpdateGroup(group_name, data):
GroupTable.query.filter(GroupTable.group_name==group_name).update(data)
@staticmethod
def GetAllRawFiles(group_name):
FileTable.query.filter(FileTable.group_name == group_name and FileTable.type == 'raw')
@staticmethod
def CreateRawFile(group_name, filename):
db.session.add(FileTable(group_name, filename, 'raw', 0))
@staticmethod
def UpdateFile(filename, data):
FileTable.query.filter(FileTable.filename == filename).update(data)