PostgreSQL.disconnect_database

PostgreSQL.disconnect_database(database_name=None, verbose=False, raise_error=False)[source]

Disconnects from a database.

See also [DBMS-PS-DD-1].

Parameters:

  • database_name (str | None) – Name of the database to disconnect from. If database_name=None (default), disconnect from the current database.

  • verbose (bool | int) – Whether to print relevant information to the console; defaults to False.

  • raise_error (bool) – Whether to raise the provided exception; if raise_error=False (default), the error will be suppressed.

Examples:

>>> from pyhelpers.dbms import PostgreSQL
>>> testdb = PostgreSQL(database_name='testdb', verbose=True)
Creating a database: "testdb" ... Done.
Password (postgres@localhost:5432): ***
Connecting postgres:***@localhost:5432/testdb ... Successfully.
>>> testdb.database_name
'testdb'
>>> testdb.disconnect_database()
>>> testdb.database_name
'postgres'
>>> # Delete the database "testdb"
>>> testdb.drop_database(database_name='testdb', verbose=True)
To drop the database "testdb" from postgres:***@localhost:5432
? [No]|Yes: yes
Dropping "testdb" ... Done.