MySQL group_concat_max_len option set to 32-bit platforms' max value

andgein · Jan 4, 2019 · d2508c4 · d2508c4
1 parent 6e340ff
commit d2508c4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/pony/orm/dbproviders/mysql.py b/pony/orm/dbproviders/mysql.py
@@ -227,6 +227,7 @@ def inspect_connection(provider, connection):
             provider.max_time_precision = 6
         cursor.execute('select database()')
         provider.default_schema_name = cursor.fetchone()[0]
+        cursor.execute('set session group_concat_max_len = 4294967295')
 
     def should_reconnect(provider, exc):
         return isinstance(exc, mysql_module.OperationalError) and exc.args[0] == 2006