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36 changes: 22 additions & 14 deletions src/basalam/backbone_orm/postgres_manager.py
Original file line number Diff line number Diff line change
Expand Up @@ -101,21 +101,29 @@ async def release(self, key: Any) -> None:
del self.__acquires[key]

async def pool(self):
if self.__is_creating_pool:
await asyncio.sleep(0.1)
return await self.pool()

if self.__pool is None:
async with self.__pool_lock:
if self.__pool is None:
self.__pool = await asyncpg.create_pool(
min_size=self.__config.pool_min_size,
max_size=self.__config.pool_max_size,
max_inactive_connection_lifetime=self.__config.pool_max_inactive_connection_lifetime,
user=self.__config.user,
password=self.__config.password,
host=self.__config.host,
port=self.__config.port,
database=self.__config.db,
timeout=self.__config.timeout,
server_settings=dict(**self.__config.server_settings),
)
try:
self.__is_creating_pool = True
self.__pool = await asyncpg.create_pool(
min_size=self.__config.pool_min_size,
max_size=self.__config.pool_max_size,
max_inactive_connection_lifetime=self.__config.pool_max_inactive_connection_lifetime,
user=self.__config.user,
password=self.__config.password,
host=self.__config.host,
port=self.__config.port,
database=self.__config.db,
timeout=self.__config.timeout,
server_settings=dict(**self.__config.server_settings),
)
self.__is_creating_pool = False
except Exception as e:
self.__is_creating_pool = False
raise e
return self.__pool


Expand Down