improve code fmt

Author: xring

Diff for: src/dms/mod.rs

@@ -1,7 +1,7 @@
-pub use dms::compound_select::{CompoundSelectStatement, CompoundSelectOperator};
+pub use dms::compound_select::{CompoundSelectOperator, CompoundSelectStatement};
 pub use dms::delete::DeleteStatement;
 pub use dms::insert::InsertStatement;
-pub use dms::select::{BetweenAndClause, SelectStatement, LimitClause, GroupByClause};
+pub use dms::select::{BetweenAndClause, GroupByClause, LimitClause, SelectStatement};
 pub use dms::update::UpdateStatement;
 
 mod compound_select;

Diff for: src/dms/select.rs

@@ -251,6 +251,4 @@ mod tests {
     use base::{Literal, OrderType};
 
     use super::*;
-
-
 }