|
|
|
// Copyright 2020 Tyler Neely
|
|
|
|
//
|
|
|
|
// Licensed 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.
|
|
|
|
|
|
|
|
use crate::{ffi, Options};
|
|
|
|
|
|
|
|
/// The name of the default column family.
|
|
|
|
///
|
|
|
|
/// The column family with this name is created implicitly whenever column
|
|
|
|
/// families are used.
|
|
|
|
pub const DEFAULT_COLUMN_FAMILY_NAME: &str = "default";
|
|
|
|
|
|
|
|
/// A descriptor for a RocksDB column family.
|
|
|
|
///
|
|
|
|
/// A description of the column family, containing the name and `Options`.
|
|
|
|
pub struct ColumnFamilyDescriptor {
|
|
|
|
pub(crate) name: String,
|
|
|
|
pub(crate) options: Options,
|
|
|
|
}
|
|
|
|
|
|
|
|
impl ColumnFamilyDescriptor {
|
|
|
|
// Create a new column family descriptor with the specified name and options.
|
|
|
|
pub fn new<S>(name: S, options: Options) -> Self
|
|
|
|
where
|
|
|
|
S: Into<String>,
|
|
|
|
{
|
|
|
|
ColumnFamilyDescriptor {
|
|
|
|
name: name.into(),
|
|
|
|
options,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/// An opaque type used to represent a column family. Returned from some functions, and used
|
|
|
|
/// in others
|
|
|
|
pub struct ColumnFamily {
|
|
|
|
pub(crate) inner: *mut ffi::rocksdb_column_family_handle_t,
|
|
|
|
}
|
|
|
|
|
|
|
|
unsafe impl Send for ColumnFamily {}
|