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author | Alex Auvolat <alex@adnab.me> | 2024-02-13 11:24:56 +0100 |
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committer | Alex Auvolat <alex@adnab.me> | 2024-02-13 11:36:28 +0100 |
commit | cf2af186fcc0c8f581a966454b6cd4720d3821f0 (patch) | |
tree | 37a978ba9ffb780fc828cff7b8ec93662d50884f /src/db | |
parent | db48dd3d6c1f9e86a62e9b8edfce2c1620bcd5f3 (diff) | |
parent | 823078b4cdaf93e09de0847c5eaa75beb7b26b7f (diff) | |
download | garage-cf2af186fcc0c8f581a966454b6cd4720d3821f0.tar.gz garage-cf2af186fcc0c8f581a966454b6cd4720d3821f0.zip |
Merge branch 'main' into next-0.10
Diffstat (limited to 'src/db')
-rw-r--r-- | src/db/Cargo.toml | 19 | ||||
-rw-r--r-- | src/db/lib.rs | 42 |
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] |