diff options
Diffstat (limited to 'synapse/storage/engines/postgres.py')
| -rw-r--r-- | synapse/storage/engines/postgres.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py index 4004427c7b..dc3238501c 100644 --- a/synapse/storage/engines/postgres.py +++ b/synapse/storage/engines/postgres.py @@ -23,6 +23,7 @@ class PostgresEngine(object): self.module = database_module self.module.extensions.register_type(self.module.extensions.UNICODE) self.synchronous_commit = database_config.get("synchronous_commit", True) + self._version = None # unknown as yet def check_database(self, txn): txn.execute("SHOW SERVER_ENCODING") @@ -87,3 +88,27 @@ class PostgresEngine(object): """ txn.execute("SELECT nextval('state_group_id_seq')") return txn.fetchone()[0] + + @property + def server_version(self): + """Returns a string giving the server version. For example: '8.1.5' + + Returns: + string + """ + # note that this is a bit of a hack because it relies on on_new_connection + # having been called at least once. Still, that should be a safe bet here. + numver = self._version + assert numver is not None + + # https://www.postgresql.org/docs/current/libpq-status.html#LIBPQ-PQSERVERVERSION + if numver >= 100000: + return "%i.%i" % ( + numver / 10000, numver % 10000, + ) + else: + return "%i.%i.%i" % ( + numver / 10000, + (numver % 10000) / 100, + numver % 100, + ) |