fix

Author: zhyass

src/meta/api/src/api_impl/schema_api.rs

@@ -192,6 +192,7 @@ pub async fn construct_drop_table_txn_operations(
     } else {
         kv_api.get_pb_seq_and_value(&tbid).await?
     };
+    // Check if table exists.
     if tb_meta_seq == 0 {
         return Err(KVAppError::AppError(AppError::UnknownTableId(
             UnknownTableId::new(table_id, "drop_table_by_id failed to find valid tb_meta"),