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Diffstat (limited to 'lib/sqlalchemy/databases/postgres.py')
| -rw-r--r-- | lib/sqlalchemy/databases/postgres.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqlalchemy/databases/postgres.py b/lib/sqlalchemy/databases/postgres.py index 74b9e6f43..345893524 100644 --- a/lib/sqlalchemy/databases/postgres.py +++ b/lib/sqlalchemy/databases/postgres.py @@ -306,6 +306,9 @@ class PGDialect(default.DefaultDialect): return sqltypes.adapt_type(typeobj, colspecs) def do_begin_twophase(self, connection, xid): + # Two phase transactions seem to require that the transaction is explicitly started. + # The implicit transactions that usually work aren't enough. + connection.execute(sql.text("BEGIN")) self.do_begin(connection.connection) def do_prepare_twophase(self, connection, xid): |