Merge pull request #467 from gwenn/changes

Expose sqlite3_changes()

src/functions.rs

@@ -713,10 +713,13 @@ mod test {
         })
         .unwrap();
 
-        let res: bool = db.query_row(
+        let res: bool = db
+            .query_row(
                 "SELECT example(0, i) FROM (SELECT 0 as i UNION SELECT 1)",
                 NO_PARAMS,
-            |r| r.get(0)).unwrap();
+                |r| r.get(0),
+            )
+            .unwrap();
         // Doesn't actually matter, we'll assert in the function if there's a problem.
         assert!(res);
     }

src/lib.rs

@@ -196,7 +196,12 @@ pub enum DatabaseName<'a> {
 
 // Currently DatabaseName is only used by the backup and blob mods, so hide
 // this (private) impl to avoid dead code warnings.
-#[cfg(any(feature = "backup", feature = "blob", feature = "session", feature = "bundled"))]
+#[cfg(any(
+    feature = "backup",
+    feature = "blob",
+    feature = "session",
+    feature = "bundled"
+))]
 impl<'a> DatabaseName<'a> {
     fn to_cstring(&self) -> Result<CString> {
         use self::DatabaseName::{Attached, Main, Temp};
@@ -618,7 +623,10 @@ impl Connection {
         self.db.borrow_mut().decode_result(code)
     }
 
-    fn changes(&self) -> usize {
+    /// Return the number of rows modified, inserted or deleted by the most
+    /// recently completed INSERT, UPDATE or DELETE statement on the database
+    /// connection.
+    pub fn changes(&self) -> usize {
         self.db.borrow_mut().changes()
     }