psycopg2.extensions.STATUS_IN_TRANSACTION¶ An alias for STATUS_BEGIN. psycopg2.extensions.STATUS_PREPARED¶ The connection has been prepared for the second phase in a two-phase commit transaction. The connection can’t be used to send commands to the database until the transaction is finished with tpc_commit() or tpc_rollback().
It is the class usually returned by the connection.cursor() method. It is exposed by the extensions ... Read a chunk of data from the current file position.
This method should be called outside of a transaction (i.e. nothing may have executed since the last commit() or rollback() and connection.status is ...
The psycopg2 module content¶. The module interface respects the standard defined in the DB API 2.0.. psycopg2.connect (dsn=None, connection_factory=None, cursor_factory=None, async=False, **kwargs) ¶ Create a new database session and return a new connection object.. The connection parameters can be specified as a libpq connection string using the dsn …
Sep 15, 2019 · # define a function that returns the PostgreSQL connection status def get_transaction_status (): # print the connection status print (" conn.status:", conn. status) # evaluate the status for the PostgreSQL connection if conn. status == extensions. STATUS_READY: print ("psycopg2 status #1: Connection is ready for a transaction.") elif conn ...
This method should be called outside of a transaction (i.e. nothing may have executed since the last commit() or rollback() and connection.status is ...
A read-only integer representing the status of the connection. Symbolic constants for the values are defined in the module psycopg2.extensions: see Connection status constants for the available values. The status is undefined for closed connections. lobject ([oid [, mode [, new_oid [, new_file [, lobject_factory]]]]]) ¶
A read-only integer representing the status of the connection. Symbolic constants for the values are defined in the module psycopg2.extensions: see Connection status constants for the available values. The status is undefined for closed connections. lobject ([oid [, mode [, new_oid [, new_file [, lobject_factory]]]]]) ¶
psycopg2.extensions.STATUS_IN_TRANSACTION¶ An alias for STATUS_BEGIN. psycopg2.extensions.STATUS_PREPARED¶ The connection has been prepared for the second phase in a two-phase commit transaction. The connection can’t be used to send commands to the database until the transaction is finished with tpc_commit() or tpc_rollback().
Some middleware are known to behave incorrectly though when the connection is closed during a transaction (when status is STATUS_IN_TRANSACTION), e.g. PgBouncer ...
The. psycopg2. module content. ¶. The module interface respects the standard defined in the DB API 2.0. psycopg2.connect(dsn=None, connection_factory=None, cursor_factory=None, async=False, **kwargs) ¶. Create a new database session and return a new connection object. The connection parameters can be specified as a libpq connection string ...
24.07.2017 · I am trying to output the status of my connection after I open my connection and after I close it. I am getting an output of 1 when I open it and 2 when I close it, but there is no talk about what these values mean in psycopg2's documentation.
The following are 30 code examples for showing how to use psycopg2.connect().These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by …
pg_connection_status is implemented using PQstatus. psycopg doesn't expose that API, so the check is not available. The only two places psycopg calls PQstatus itself is when a new connection is made, and at the beginning of execute.
15.09.2019 · Introduction. The psycopg2 Python adapter for PostgreSQL has a library called extensions has polling and status attributes to help you make your PostgreSQL application more efficient by better monitoring and managing the transactions taking place. This article will provide a brief overview of how to get the status of a transaction with the psycopg2 adapter for …
pg_connection_status is implemented using PQstatus. psycopg doesn't expose that API, so the check is not available. The only two places psycopg calls PQstatus itself is when a new connection is made, and at the beginning of execute.