Method get_database

nodedb/src/control/security/catalog/database.rs:117–136

Get a database descriptor by id. Returns `None` if not found.

(&self, id: DatabaseId)

    /// Get a database descriptor by id. Returns `None` if not found.
    pub fn get_database(&self, id: DatabaseId) -> crate::Result<Option<DatabaseDescriptor>> {
        let txn = self
            .db
            .begin_read()
            .map_err(|e| catalog_err("databases read txn", e))?;
        let table = txn
            .open_table(DATABASES)
            .map_err(|e| catalog_err("open databases", e))?;
        match table
            .get(id.as_u64())
            .map_err(|e| catalog_err("get databases", e))?
        {
            Some(v) => {
                let desc: DatabaseDescriptor = zerompk::from_msgpack(v.value())
                    .map_err(|e| catalog_err("deser DatabaseDescriptor", e))?;
                Ok(Some(desc))
            }
            None => Ok(None),
        }
    }

    /// Resolve a database name to its `DatabaseId`. Returns `None` if
    /// no database with that name exists.