Method get_function

nodedb/src/control/security/catalog/functions.rs:33–55

Get a single function by tenant_id + name.

(
        &self,
        tenant_id: u64,
        name: &str,
    )

    /// Get a single function by tenant_id + name.
    pub fn get_function(
        &self,
        tenant_id: u64,
        name: &str,
    ) -> crate::Result<Option<StoredFunction>> {
        let key = function_key(tenant_id, name);
        let read_txn = self
            .db
            .begin_read()
            .map_err(|e| catalog_err("read txn", e))?;
        let table = read_txn
            .open_table(FUNCTIONS)
            .map_err(|e| catalog_err("open functions", e))?;
        match table.get(key.as_str()) {
            Ok(Some(value)) => {
                let func: StoredFunction = zerompk::from_msgpack(value.value())
                    .map_err(|e| catalog_err("deser function", e))?;
                Ok(Some(func))
            }
            Ok(None) => Ok(None),
            Err(e) => Err(catalog_err("get function", e)),
        }
    }

    /// Delete a function by tenant_id + name.
    ///