{"id": "internals:database-constructor", "page": "internals", "ref": "database-constructor", "title": "Database(ds, path=None, is_mutable=True, is_memory=False, memory_name=None)", "content": "The  Database()  constructor can be used by plugins, in conjunction with  .add_database(db, name=None, route=None) , to create and register new databases. \n                 The arguments are as follows: \n                 \n                     \n                         ds  -  Datasette class  (required) \n                         \n                             The Datasette instance you are attaching this database to. \n                         \n                     \n                     \n                         path  - string \n                         \n                             Path to a SQLite database file on disk. \n                         \n                     \n                     \n                         is_mutable  - boolean \n                         \n                             Set this to  False  to cause Datasette to open the file in immutable mode. \n                         \n                     \n                     \n                         is_memory  - boolean \n                         \n                             Use this to create non-shared memory connections. \n                         \n                     \n                     \n                         memory_name  - string or  None \n                         \n                             Use this to create a named in-memory database. Unlike regular memory databases these can be accessed by multiple threads and will persist an changes made to them for the lifetime of the Datasette server process. \n                         \n                     \n                 \n                 The first argument is the  datasette  instance you are attaching to, the second is a  path= , then  is_mutable  and  is_memory  are both optional arguments.", "breadcrumbs": "[\"Internals for plugins\", \"Database class\"]", "references": "[]"}