refactor(workspace): enforce layered crate boundaries

crates/aether-data/runtime/src/backend/maintenance/mysql.rs

@@ -0,0 +1,28 @@
+use crate::backend::MysqlBackend;
+use crate::error::SqlResultExt;
+use crate::{DataLayerError, DatabaseMaintenanceSummary};
+
+use super::maintenance_identifier;
+
+impl MysqlBackend {
+    pub async fn run_table_maintenance(
+        &self,
+        table_names: &[&str],
+    ) -> Result<DatabaseMaintenanceSummary, DataLayerError> {
+        let mut summary = DatabaseMaintenanceSummary::default();
+        for table_name in table_names {
+            let table_name = maintenance_identifier(table_name)?;
+            summary.attempted += 1;
+            let statement = format!("ANALYZE TABLE `{table_name}`");
+            if sqlx::raw_sql(&statement)
+                .execute(self.pool())
+                .await
+                .map_sql_err()
+                .is_ok()
+            {
+                summary.succeeded += 1;
+            }
+        }
+        Ok(summary)
+    }
+}