PostgresOSM.drop_database

PostgresOSM.drop_database(database_name=None, confirmation_required=True, verbose=False)

Drop a database from the PostgreSQL server being connected.

If database_name is None (default), drop the current database.

Parameters

  • database_name (str or None) – database to be disconnected, defaults to None

  • confirmation_required (bool) – whether to prompt a message for confirmation to proceed, defaults to True

  • verbose (bool or int) – whether to print relevant information in console as the function runs, defaults to False

Example:

>>> from pyhelpers.sql import PostgreSQL

>>> testdb = PostgreSQL('localhost', 5432, username='postgres', database_name='testdb')
Password (postgres@localhost:5432): ***
Connecting postgres:***@localhost:5432/testdb ... Successfully.

>>> # Delete the database "testdb"
>>> testdb.drop_database(verbose=True)
To drop the database "testdb" from postgres:***@localhost:5432
? [No]|Yes: yes
Dropping "testdb" ... Done.

>>> testdb.database_exists(database_name='testdb')
False

>>> testdb.drop_database(database_name='testdb', verbose=True)
The database "testdb" does not exist.

>>> print(testdb.database_name)
postgres