message: fight with ci
diff: //===----------------------------------------------------------------------===//
  // DuckDB
  //
  -// duckdb/common/union_names.hpp
  +// duckdb/common/union_by_name.hpp
  //
  //
  //===----------------------------------------------------------------------===//
  @@ -21,7 +21,7 @@ class UnionByName {
  public:
  //! Union all files(readers) by their col names
  - DUCKDB_API static vector<unique_ptr<READER_TYPE>>
  + static vector<unique_ptr<READER_TYPE>>
  UnionCols(ClientContext &context, const vector<string> &files, vector<LogicalType> &union_col_types,
  vector<string> &union_col_names, case_insensitive_map_t<idx_t> &union_names_map, OPTION_TYPE options) {
  idx_t union_names_index = 0;
  @@ -57,7 +57,7 @@ public:
  }
  //! Create information for reader's col mapping to union cols
  - DUCKDB_API static vector<unique_ptr<READER_TYPE>> CreateUnionMap(vector<unique_ptr<READER_TYPE>> union_readers,
  + static vector<unique_ptr<READER_TYPE>> CreateUnionMap(vector<unique_ptr<READER_TYPE>> union_readers,
  vector<LogicalType> &union_col_types,
  vector<string> &union_col_names,
  case_insensitive_map_t<idx_t> &union_names_map) {
  