aboutsummaryrefslogtreecommitdiff
path: root/src/table/util.rs
diff options
context:
space:
mode:
authorAlex Auvolat <alex@adnab.me>2020-11-20 20:11:04 +0100
committerAlex Auvolat <alex@adnab.me>2020-11-20 20:11:04 +0100
commite9fd265ce6d326425994ccfea9d5afc7165460db (patch)
tree9dce56810d812d6b3293e20776b58bda91c05182 /src/table/util.rs
parentb9e6b007a317bf307b209cf01667fa207d62b67d (diff)
downloadgarage-e9fd265ce6d326425994ccfea9d5afc7165460db.tar.gz
garage-e9fd265ce6d326425994ccfea9d5afc7165460db.zip
Slight refactoring to make things clearer with DeletedFilter
Diffstat (limited to 'src/table/util.rs')
-rw-r--r--src/table/util.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/table/util.rs b/src/table/util.rs
new file mode 100644
index 00000000..043a457c
--- /dev/null
+++ b/src/table/util.rs
@@ -0,0 +1,35 @@
+use serde::{Deserialize, Serialize};
+
+use garage_util::data::*;
+
+use crate::schema::*;
+
+#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct EmptyKey;
+impl SortKey for EmptyKey {
+ fn sort_key(&self) -> &[u8] {
+ &[]
+ }
+}
+impl PartitionKey for EmptyKey {
+ fn hash(&self) -> Hash {
+ [0u8; 32].into()
+ }
+}
+
+#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
+pub enum DeletedFilter {
+ All,
+ Deleted,
+ NotDeleted,
+}
+
+impl DeletedFilter {
+ pub fn apply(&self, deleted: bool) -> bool {
+ match self {
+ DeletedFilter::All => true,
+ DeletedFilter::Deleted => deleted,
+ DeletedFilter::NotDeleted => !deleted,
+ }
+ }
+}