| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| defmodule Fluss.Table do |
| @moduledoc """ |
| A handle to a Fluss table, used to create writers and scanners. |
| """ |
| |
| alias Fluss.Native |
| |
| @type t :: reference() |
| |
| @spec get(Fluss.Connection.t(), String.t(), String.t()) :: |
| {:ok, t()} | {:error, Fluss.Error.t()} |
| def get(conn, database, table) do |
| conn |
| |> Native.table_get(database, table) |
| |> Native.await_nif() |
| end |
| |
| @spec get!(Fluss.Connection.t(), String.t(), String.t()) :: t() |
| def get!(conn, database, table) do |
| case get(conn, database, table) do |
| {:ok, t} -> t |
| {:error, %Fluss.Error{} = err} -> raise err |
| end |
| end |
| |
| @spec has_primary_key?(t()) :: boolean() |
| def has_primary_key?(table), do: Native.table_has_primary_key(table) |
| |
| @spec column_names(t()) :: [String.t()] |
| def column_names(table), do: Native.table_column_names(table) |
| end |