chore: add PartialEq to config (#710)

1. chore: add `PartialEq` implementation to all config structs
2. chore: remove unused `Stats` struct in config

Author: levkk

pgdog-config/src/core.rs

@@ -14,13 +14,13 @@ use super::database::Database;
 use super::error::Error;
 use super::general::General;
 use super::networking::{MultiTenant, Tcp};
-use super::pooling::{PoolerMode, Stats};
+use super::pooling::PoolerMode;
 use super::replication::{MirrorConfig, Mirroring, ReplicaLag, Replication};
 use super::rewrite::Rewrite;
 use super::sharding::{ManualQuery, OmnishardedTables, ShardedMapping, ShardedTable};
 use super::users::{Admin, Plugin, Users};
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq)]
 pub struct ConfigAndUsers {
     /// pgdog.toml
     pub config: Config,
@@ -124,7 +124,7 @@ impl Default for ConfigAndUsers {
 }
 
 /// Configuration.
-#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+#[derive(Serialize, Deserialize, Debug, Clone, Default, PartialEq)]
 #[serde(deny_unknown_fields)]
 pub struct Config {
     /// General configuration.
@@ -135,10 +135,6 @@ pub struct Config {
     #[serde(default)]
     pub rewrite: Rewrite,
 
-    /// Statistics.
-    #[serde(default)]
-    pub stats: Stats,
-
     /// TCP settings
     #[serde(default)]
     pub tcp: Tcp,

pgdog-config/src/general.rs

@@ -12,7 +12,7 @@ use super::database::{LoadBalancingStrategy, ReadWriteSplit, ReadWriteStrategy};
 use super::networking::TlsVerifyMode;
 use super::pooling::{PoolerMode, PreparedStatements};
 
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 #[serde(deny_unknown_fields)]
 pub struct General {
     /// Run on this address.

pgdog-config/src/lib.rs

@@ -27,7 +27,7 @@ pub use general::General;
 pub use memory::*;
 pub use networking::{MultiTenant, Tcp, TlsVerifyMode};
 pub use overrides::Overrides;
-pub use pooling::{PoolerMode, PreparedStatements, Stats};
+pub use pooling::{PoolerMode, PreparedStatements};
 pub use replication::*;
 pub use rewrite::{Rewrite, RewriteMode};
 pub use sharding::*;

pgdog-config/src/memory.rs

@@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};
 
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 #[serde(deny_unknown_fields)]
 pub struct Memory {
     #[serde(default = "default_net_buffer")]

pgdog-config/src/pooling.rs

@@ -39,10 +39,6 @@ impl FromStr for PreparedStatements {
     }
 }
 
-/// Empty struct for stats
-#[derive(Serialize, Deserialize, Debug, Clone, Default)]
-pub struct Stats {}
-
 #[derive(Serialize, Deserialize, Debug, Clone, Copy, Default, PartialEq, Eq, Ord, PartialOrd)]
 #[serde(rename_all = "snake_case")]
 pub enum PoolerMode {

pgdog-config/src/replication.rs

@@ -11,7 +11,7 @@ struct RawReplicaLag {
     max_age: Option<u64>,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq)]
 pub struct ReplicaLag {
     pub check_interval: Duration,
     pub max_age: Duration,
@@ -119,7 +119,7 @@ impl Default for Replication {
 }
 
 /// Mirroring configuration.
-#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+#[derive(Serialize, Deserialize, Debug, Clone, Default, PartialEq)]
 #[serde(deny_unknown_fields)]
 pub struct Mirroring {
     /// Source database name to mirror from.

pgdog-config/src/rewrite.rs

@@ -40,7 +40,7 @@ impl FromStr for RewriteMode {
     }
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 #[serde(deny_unknown_fields)]
 pub struct Rewrite {
     /// Global rewrite toggle. When disabled, rewrite-specific features remain

pgdog-config/src/users.rs

@@ -16,7 +16,7 @@ pub struct Plugin {
 }
 
 /// Users and passwords.
-#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+#[derive(Serialize, Deserialize, Debug, Clone, Default, PartialEq)]
 #[serde(deny_unknown_fields)]
 pub struct Users {
     pub admin: Option<Admin>,

pgdog/src/config/mod.rs

@@ -24,7 +24,7 @@ pub use networking::{MultiTenant, Tcp, TlsVerifyMode};
 pub use overrides::Overrides;
 pub use pgdog_config::auth::{AuthType, PassthoughAuth};
 pub use pgdog_config::{LoadBalancingStrategy, ReadWriteSplit, ReadWriteStrategy};
-pub use pooling::{ConnectionRecovery, PoolerMode, PreparedStatements, Stats};
+pub use pooling::{ConnectionRecovery, PoolerMode, PreparedStatements};
 pub use rewrite::{Rewrite, RewriteMode};
 pub use users::{Admin, Plugin, User, Users};
 

pgdog/src/config/pooling.rs

@@ -1 +1 @@
-pub use pgdog_config::{pooling::ConnectionRecovery, PoolerMode, PreparedStatements, Stats};
+pub use pgdog_config::{pooling::ConnectionRecovery, PoolerMode, PreparedStatements};