Fix compile warnings caused by upgrade rustc

tikv · Apr 26, 2019 · 6089047 · 6089047
1 parent c67ba77
commit 6089047
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/src/coprocessor/dag/rpn_expr/types/expr_builder.rs b/src/coprocessor/dag/rpn_expr/types/expr_builder.rs
@@ -19,9 +19,6 @@ pub struct RpnExpressionBuilder(Vec<RpnExpressionNode>);
 impl RpnExpressionBuilder {
     /// Checks whether the given expression definition tree is supported.
     pub fn check_expr_tree_supported(c: &Expr) -> Result<()> {
-        use cop_datatype::FieldTypeAccessor;
-        use std::convert::TryFrom;
-
         EvalType::try_from(c.get_field_type().tp()).map_err(|e| Error::Other(box_err!(e)))?;
 
         match c.get_tp() {