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Enabling IntvarEvents and master server validation #151

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Enabling IntvarEvents and master server validation #151

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dccb95a
Activating IntvarEvent and dealing with servers not configured as master
zanaca Mar 22, 2016
379c61d
updating example
zanaca Mar 22, 2016
82e0760
removing connection close
zanaca Mar 22, 2016
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4 changes: 1 addition & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,7 @@ from pymysqlreplication import BinLogStreamReader

mysql_settings = {'host': '127.0.0.1', 'port': 3306, 'user': 'root', 'passwd': ''}

stream = BinLogStreamReader(connection_settings = mysql_settings)
stream = BinLogStreamReader(connection_settings = mysql_settings, server_id=2)

for binlogevent in stream:
binlogevent.dump()
Expand Down Expand Up @@ -322,5 +322,3 @@ distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.


9 changes: 7 additions & 2 deletions pymysqlreplication/binlogstream.py
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Expand Up @@ -13,7 +13,7 @@
from .event import (
QueryEvent, RotateEvent, FormatDescriptionEvent,
XidEvent, GtidEvent, StopEvent,
BeginLoadQueryEvent, ExecuteLoadQueryEvent,
BeginLoadQueryEvent, ExecuteLoadQueryEvent, IntvarEvent,
NotImplementedEvent)
from .row_event import (
UpdateRowsEvent, WriteRowsEvent, DeleteRowsEvent, TableMapEvent)
Expand Down Expand Up @@ -260,7 +260,11 @@ def __connect_to_stream(self):
if self.log_file is None or self.log_pos is None:
cur = self._stream_connection.cursor()
cur.execute("SHOW MASTER STATUS")
self.log_file, self.log_pos = cur.fetchone()[:2]
output = cur.fetchone()
if not output:
raise Exception('Server is not master')
cur.close()
self.log_file, self.log_pos = output[:2]
cur.close()

prelude = struct.pack('<i', len(self.log_file) + 11) \
Expand Down Expand Up @@ -431,6 +435,7 @@ def _allowed_event_list(self, only_events, ignored_events,
ExecuteLoadQueryEvent,
UpdateRowsEvent,
WriteRowsEvent,
IntvarEvent,
DeleteRowsEvent,
TableMapEvent,
NotImplementedEvent))
Expand Down