From cdb2a591e9d393d24ab5c49bb905b0589b193299 Mon Sep 17 00:00:00 2001 From: Alex Auvolat Date: Tue, 3 Jan 2023 14:44:47 +0100 Subject: Refactor how things are migrated --- src/model/prev/v051/version_table.rs | 79 ------------------------------------ 1 file changed, 79 deletions(-) delete mode 100644 src/model/prev/v051/version_table.rs (limited to 'src/model/prev/v051/version_table.rs') diff --git a/src/model/prev/v051/version_table.rs b/src/model/prev/v051/version_table.rs deleted file mode 100644 index c11c62d5..00000000 --- a/src/model/prev/v051/version_table.rs +++ /dev/null @@ -1,79 +0,0 @@ -use serde::{Deserialize, Serialize}; - -use garage_util::data::*; - -use garage_table::crdt::*; -use garage_table::*; - -/// A version of an object -#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)] -pub struct Version { - /// UUID of the version, used as partition key - pub uuid: Uuid, - - // Actual data: the blocks for this version - // In the case of a multipart upload, also store the etags - // of individual parts and check them when doing CompleteMultipartUpload - /// Is this version deleted - pub deleted: crdt::Bool, - /// list of blocks of data composing the version - pub blocks: crdt::Map, - /// Etag of each part in case of a multipart upload, empty otherwise - pub parts_etags: crdt::Map, - - // Back link to bucket+key so that we can figure if - // this was deleted later on - /// Bucket in which the related object is stored - pub bucket: String, - /// Key in which the related object is stored - pub key: String, -} - -#[derive(PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)] -pub struct VersionBlockKey { - /// Number of the part - pub part_number: u64, - /// Offset of this sub-segment in its part - pub offset: u64, -} - -impl Ord for VersionBlockKey { - fn cmp(&self, other: &Self) -> std::cmp::Ordering { - self.part_number - .cmp(&other.part_number) - .then(self.offset.cmp(&other.offset)) - } -} - -impl PartialOrd for VersionBlockKey { - fn partial_cmp(&self, other: &Self) -> Option { - Some(self.cmp(other)) - } -} - -/// Informations about a single block -#[derive(PartialEq, Eq, Ord, PartialOrd, Clone, Copy, Debug, Serialize, Deserialize)] -pub struct VersionBlock { - /// Blake2 sum of the block - pub hash: Hash, - /// Size of the block - pub size: u64, -} - -impl AutoCrdt for VersionBlock { - const WARN_IF_DIFFERENT: bool = true; -} - -impl Crdt for Version { - fn merge(&mut self, other: &Self) { - self.deleted.merge(&other.deleted); - - if self.deleted.get() { - self.blocks.clear(); - self.parts_etags.clear(); - } else { - self.blocks.merge(&other.blocks); - self.parts_etags.merge(&other.parts_etags); - } - } -} -- cgit v1.2.3