Make is_valid execute an actual query instead of nothing.

showengineer · web-flow · commit 1fa715077232 · 2025-12-01T14:12:37.000+01:00
Fixes #65
diff --git a/src/lib.rs b/src/lib.rs
@@ -161,7 +161,7 @@ impl r2d2::ManageConnection for SqliteConnectionManager {
     }
 
     fn is_valid(&self, conn: &mut Connection) -> Result<(), Error> {
-        conn.execute_batch("").map_err(Into::into)
+        conn.execute_batch("SELECT 1;").map_err(Into::into)
     }
 
     fn has_broken(&self, _: &mut Connection) -> bool {

Original file line number	Diff line number	Diff line change
`@@ -161,7 +161,7 @@ impl r2d2::ManageConnection for SqliteConnectionManager {`
`161`	`161`	`}`
`162`	`162`
`163`	`163`	`fn is_valid(&self, conn: &mut Connection) -> Result<(), Error> {`
`164`		`- conn.execute_batch("").map_err(Into::into)`
	`164`	`+ conn.execute_batch("SELECT 1;").map_err(Into::into)`
`165`	`165`	`}`
`166`	`166`
`167`	`167`	`fn has_broken(&self, _: &mut Connection) -> bool {`