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authorAlex Auvolat <alex@adnab.me>2024-02-13 11:24:56 +0100
committerAlex Auvolat <alex@adnab.me>2024-02-13 11:36:28 +0100
commitcf2af186fcc0c8f581a966454b6cd4720d3821f0 (patch)
tree37a978ba9ffb780fc828cff7b8ec93662d50884f /src/db
parentdb48dd3d6c1f9e86a62e9b8edfce2c1620bcd5f3 (diff)
parent823078b4cdaf93e09de0847c5eaa75beb7b26b7f (diff)
downloadgarage-cf2af186fcc0c8f581a966454b6cd4720d3821f0.tar.gz
garage-cf2af186fcc0c8f581a966454b6cd4720d3821f0.zip
Merge branch 'main' into next-0.10
Diffstat (limited to 'src/db')
-rw-r--r--src/db/Cargo.toml19
-rw-r--r--src/db/lib.rs42
2 files changed, 49 insertions, 12 deletions
diff --git a/src/db/Cargo.toml b/src/db/Cargo.toml
index 530f1966..fddc5cca 100644
--- a/src/db/Cargo.toml
+++ b/src/db/Cargo.toml
@@ -12,24 +12,19 @@ readme = "../../README.md"
path = "lib.rs"
[dependencies]
-err-derive = "0.3"
-hexdump = "0.1"
-tracing = "0.1"
+err-derive.workspace = true
+hexdump.workspace = true
+tracing.workspace = true
-heed = { version = "0.11", default-features = false, features = ["lmdb"], optional = true }
-rusqlite = { version = "0.29", optional = true }
-sled = { version = "0.34", optional = true }
-
-# cli deps
-clap = { version = "4.1", optional = true, features = ["derive", "env"] }
-pretty_env_logger = { version = "0.5", optional = true }
+heed = { workspace = true, optional = true }
+rusqlite = { workspace = true, optional = true }
+sled = { workspace = true, optional = true }
[dev-dependencies]
-mktemp = "0.5"
+mktemp.workspace = true
[features]
default = [ "sled", "lmdb", "sqlite" ]
bundled-libs = [ "rusqlite?/bundled" ]
-cli = ["clap", "pretty_env_logger"]
lmdb = [ "heed" ]
sqlite = [ "rusqlite" ]
diff --git a/src/db/lib.rs b/src/db/lib.rs
index fe44b01e..eef3e177 100644
--- a/src/db/lib.rs
+++ b/src/db/lib.rs
@@ -171,6 +171,48 @@ impl Db {
}
}
+/// List of supported database engine types
+///
+/// The `enum` holds list of *all* database engines that are are be supported by crate, no matter
+/// if relevant feature is enabled or not. It allows us to distinguish between invalid engine
+/// and valid engine, whose support is not enabled via feature flag.
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum Engine {
+ Lmdb,
+ Sqlite,
+ Sled,
+}
+
+impl Engine {
+ /// Return variant name as static `&str`
+ pub fn as_str(&self) -> &'static str {
+ match self {
+ Self::Lmdb => "lmdb",
+ Self::Sqlite => "sqlite",
+ Self::Sled => "sled",
+ }
+ }
+}
+
+impl std::fmt::Display for Engine {
+ fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
+ self.as_str().fmt(fmt)
+ }
+}
+
+impl std::str::FromStr for Engine {
+ type Err = Error;
+
+ fn from_str(text: &str) -> Result<Engine> {
+ match text {
+ "lmdb" | "heed" => Ok(Self::Lmdb),
+ "sqlite" | "sqlite3" | "rusqlite" => Ok(Self::Sqlite),
+ "sled" => Ok(Self::Sled),
+ kind => Err(Error(format!("Invalid DB engine: {}", kind).into())),
+ }
+ }
+}
+
#[allow(clippy::len_without_is_empty)]
impl Tree {
#[inline]