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-rw-r--r--synapse/storage/engines/postgres.py12
1 files changed, 12 insertions, 0 deletions
diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py
index b8cca9b187..7125f66f01 100644
--- a/synapse/storage/engines/postgres.py
+++ b/synapse/storage/engines/postgres.py
@@ -15,12 +15,24 @@
 
 from synapse.storage import prepare_database
 
+from ._base import IncorrectDatabaseSetup
+
 
 class PostgresEngine(object):
     def __init__(self, database_module):
         self.module = database_module
         self.module.extensions.register_type(self.module.extensions.UNICODE)
 
+    def check_database(self, txn):
+        txn.execute("SHOW SERVER_ENCODING")
+        rows = txn.fetchall()
+        if rows and rows[0][0] != "UTF8":
+            raise IncorrectDatabaseSetup(
+                "Database has incorrect encoding: '%s' instead of 'UTF8'\n"
+                "See docs/postgres.rst for more information."
+                % (rows[0][0],)
+            )
+
     def convert_param_style(self, sql):
         return sql.replace("?", "%s")