Expose PoolOptions for reading

This allows reading back PoolOptions that have already been set.

Author: FSMaxB

sqlx-core/src/pool/options.rs

@@ -63,6 +63,11 @@ impl<DB: Database> PoolOptions<DB> {
         self
     }
 
+    /// Get the maximum number of connections that this pool should maintain
+    pub fn get_max_connections(&self) -> u32 {
+        self.max_connections
+    }
+
     /// Set the amount of time to attempt connecting to the database.
     ///
     /// If this timeout elapses, [`Pool::acquire`] will return an error.
@@ -71,6 +76,11 @@ impl<DB: Database> PoolOptions<DB> {
         self
     }
 
+    /// Get the amount of time to attempt connecting to the database.
+    pub fn get_connect_timeout(&self) -> Duration {
+        self.connect_timeout
+    }
+
     /// Set the minimum number of connections to maintain at all times.
     ///
     /// When the pool is built, this many connections will be automatically spun up.
@@ -85,6 +95,11 @@ impl<DB: Database> PoolOptions<DB> {
         self
     }
 
+    /// Get the minimum number of connections to maintain at all times.
+    pub fn get_min_connections(&self) -> u32 {
+        self.min_connections
+    }
+
     /// Set the maximum lifetime of individual connections.
     ///
     /// Any connection with a lifetime greater than this will be closed.
@@ -104,6 +119,11 @@ impl<DB: Database> PoolOptions<DB> {
         self
     }
 
+    /// Get the maximum lifetime of individual connections.
+    pub fn get_max_lifetime(&self) -> Option<Duration> {
+        self.max_lifetime
+    }
+
     /// Set a maximum idle duration for individual connections.
     ///
     /// Any connection with an idle duration longer than this will be closed.
@@ -114,6 +134,11 @@ impl<DB: Database> PoolOptions<DB> {
         self
     }
 
+    /// Get the maximum idle duration for individual connections.
+    pub fn get_idle_timeout(&self) -> Option<Duration> {
+        self.idle_timeout
+    }
+
     /// If true, the health of a connection will be verified by a call to [`Connection::ping`]
     /// before returning the connection.
     ///
@@ -123,6 +148,11 @@ impl<DB: Database> PoolOptions<DB> {
         self
     }
 
+    /// Get's whether `test_before_acquire` is currently set.
+    pub fn get_test_before_acquire(&self) -> bool {
+        self.test_before_acquire
+    }
+
     /// If set to `true`, calls to `acquire()` are fair and connections  are issued
     /// in first-come-first-serve order. If `false`, "drive-by" tasks may steal idle connections
     /// ahead of tasks that have been waiting.