[oap-native-sql] fix duplicated projector name (#1556)

JiayiChen785 · Aug 3, 2020 · eead62a · eead62a
1 parent 8af2317
commit eead62a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/oap-native-sql/cpp/src/codegen/arrow_compute/ext/typed_action_codegen_impl.h b/oap-native-sql/cpp/src/codegen/arrow_compute/ext/typed_action_codegen_impl.h
@@ -59,6 +59,9 @@ class TypedActionCodeGenImpl {
     RETURN_NOT_OK(MakeCodeGenRegister(func_node, &node_tmp));
     signature_ss << std::hex << std::hash<std::string>{}(node_tmp->GetFingerprint());
     auto name = "projection_" + signature_ss.str();
+    for (auto index : input_index_list_) {
+      name += "_" + std::to_string(index);
+    }
     auto res_field = arrow::field(name, func_node->return_type());
     named_projector_ = gandiva::TreeExprBuilder::MakeExpression(func_node, res_field);
 #ifdef DEBUG