com.bloomberg.selekt.SQLiteSecureDelete.kt Maven / Gradle / Ivy
/*
* Copyright 2020 Bloomberg Finance L.P.
*
* 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
*
* https://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.
*/
package com.bloomberg.selekt
/**
* When secure_delete is on, SQLite overwrites deleted content with zeros.
*/
enum class SQLiteSecureDelete {
/** The "fast" setting is an intermediate setting in between "on" and "off".
* When secure_delete is set to "fast", SQLite will overwrite deleted content with zeros only if doing so does not
* increase the amount of I/O. In other words, the "fast" setting uses more CPU cycles but does not use more I/O. This
* has the effect of purging all old content from b-tree pages, but leaving forensic traces on freelist pages.
*/
FAST,
OFF,
ON
}