PostgreSQL.schema_exists

PostgreSQL.schema_exists(schema_name)

Check whether a schema exists.

Parameters

schema_name (str) – name of a schema

Returns

whether the schema exists

Return type

bool

Examples:

>>> from pyhelpers.dbms import PostgreSQL

>>> testdb = PostgreSQL('localhost', 5432, 'postgres', database_name='testdb')
Password (postgres@localhost:5432): ***
Creating a database: "testdb" ... Done.
Connecting postgres:***@localhost:5432/testdb ... Successfully.

>>> testdb.schema_exists('public')
True

>>> testdb.schema_exists('test_schema')  # (if the schema 'test_schema' does not exist)
False

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