Struct Database

pub struct Database { /* private fields */ }

A database that stores multiple instances of data.

Implementations

impl Database

pub fn new() -> Database

pub fn add_instance( &mut self, name: &Name, file_path: &str, entities: Vec<Entity>, ) -> &mut Database

pub fn load_instance(&mut self, name: &Name) -> Result<&mut Database, Error>

pub fn get_instance_by_entity( &self, entity: &Entity, ) -> Option<&DatabaseInstance>

pub fn get_instance_by_entity_mut( &mut self, entity: &Entity, ) -> Option<&mut DatabaseInstance>

pub fn get_instance_name_by_entity( &self, entity: &Entity, ) -> Result<Name, Error>

pub fn insert( &mut self, entity: &Entity, insert_value: Value, ) -> Result<Value, Error>

pub fn insert_many( &mut self, entity: &Entity, insert_values: Vec<Value>, ) -> Result<Vec<Value>, Error>

pub fn find_one(&self, entity: &Entity, query: Query) -> Result<Value, Error>

pub fn find_many( &self, entity: &Entity, query: Query, ) -> Result<Vec<Value>, Error>

pub fn delete_one( &mut self, entity: &Entity, query: Query, ) -> Result<Value, Error>

pub fn delete_many( &mut self, entity: &Entity, query: Query, ) -> Result<Vec<Value>, Error>

pub fn update_one( &mut self, entity: &Entity, query: Query, update_value: Value, ) -> Result<Value, Error>

pub fn update_many( &mut self, entity: &Entity, query: Query, update_value: Value, ) -> Result<Vec<Value>, Error>

pub fn commit(&self, name: Vec<Name>) -> Result<(), Error>

pub fn drop_key(&mut self, entity: &Entity, key: &str) -> Result<(), Error>

pub fn add_key( &mut self, entity: &Entity, key: &str, default_value: Value, ) -> Result<(), Error>

Trait Implementations

impl Debug for Database

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.