Fix clippy warnings

src/vtab/series.rs

@@ -115,6 +115,7 @@ unsafe impl<'vtab> VTab<'vtab> for SeriesTab {
         }
         if idx_num.contains(QueryPlanFlags::BOTH) {
             // Both start= and stop= boundaries are available.
+            #[allow(clippy::bool_to_int_with_if)]
             info.set_estimated_cost(f64::from(
                 2 - if idx_num.contains(QueryPlanFlags::STEP) {
                     1

src/vtab/vtablog.rs

@@ -163,7 +163,7 @@ impl<'vtab> UpdateVTab<'vtab> for VTabLog {
             self.i_inst,
             args.iter().collect::<Vec<ValueRef<'_>>>()
         );
-        Ok(self.n_row as i64)
+        Ok(self.n_row)
     }
 
     fn update(&mut self, args: &Values<'_>) -> Result<()> {