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Add database config class (#6513)

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This encapsulates config for a given database and is the way to get new
connections.
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Erik Johnston 2019-12-18 10:45:12 +00:00 • committed by GitHub
parent 91ccfe9f37
commit 2284eb3a53
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19 changed files with 286 additions and 208 deletions
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16
synapse/storage/engines/sqlite.py
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@ -16,8 +16,6 @@
import struct
import threading
from synapse.storage.prepare_database import prepare_database
class Sqlite3Engine(object):
single_threaded = True
@ -25,6 +23,9 @@ class Sqlite3Engine(object):
def __init__(self, database_module, database_config):
self.module = database_module
database = database_config.get("args", {}).get("database")
self._is_in_memory = database in (None, ":memory:",)
# The current max state_group, or None if we haven't looked
# in the DB yet.
self._current_state_group_id = None
@ -59,7 +60,16 @@ class Sqlite3Engine(object):
return sql
def on_new_connection(self, db_conn):
prepare_database(db_conn, self, config=None)
# We need to import here to avoid an import loop.
from synapse.storage.prepare_database import prepare_database
if self._is_in_memory:
# In memory databases need to be rebuilt each time. Ideally we'd
# reuse the same connection as we do when starting up, but that
# would involve using adbapi before we have started the reactor.
prepare_database(db_conn, self, config=None)
db_conn.create_function("rank", 1, _rank)
def is_deadlock(self, error):