[branch-4.1] Fix meta tool build (#63371)

## Proposed changes

Fix meta_tool build on branch-4.1 by:

- adding the repository root include path for meta_tool so
common/cpp/private_member_accessor.hpp can be resolved
- qualifying Doris types in meta_tool.cpp
- fixing private member pointer access through ExecEnv*

## Testing

- sh format_code.sh be/src/tools/meta_tool.cpp
- sh build.sh --be --meta-tool -j100

Co-authored-by: gavinchou <gavinchou@apache.org>

Author: gavinchou

be/src/tools/CMakeLists.txt

@@ -25,6 +25,8 @@ add_executable(meta_tool
     meta_tool.cpp
 )
 
+target_include_directories(meta_tool PRIVATE ${PROJECT_SOURCE_DIR}/..)
+
 pch_reuse(meta_tool)
 
 # This permits libraries loaded by dlopen to link to the symbols in the program.

be/src/tools/meta_tool.cpp

@@ -631,7 +631,7 @@ void print_column_data_values(const doris::segment_v2::ColumnMetaPB& column_meta
         return;
     }
 
-    MutableColumnPtr dst_column = data_type->create_column();
+    doris::MutableColumnPtr dst_column = data_type->create_column();
 
     // Determine how many rows to display (max 10 rows for readability)
     const size_t max_display_rows = 10;
@@ -658,11 +658,11 @@ void print_column_data_values(const doris::segment_v2::ColumnMetaPB& column_meta
     for (size_t i = 0; i < rows_read; ++i) {
         std::cout << indent << "  [" << i << "] ";
         if (column_meta.is_nullable()) {
-            const auto& nullable_col = assert_cast<const ColumnNullable&>(*dst_column);
+            const auto& nullable_col = assert_cast<const doris::ColumnNullable&>(*dst_column);
             if (nullable_col.is_null_at(i)) {
                 std::cout << "NULL";
             } else {
-                const IColumn& nested_col = nullable_col.get_nested_column();
+                const doris::IColumn& nested_col = nullable_col.get_nested_column();
                 std::cout << format_column_value(nested_col, i, field_type);
             }
         } else {
@@ -764,11 +764,12 @@ void print_column_meta(const doris::segment_v2::ColumnMetaPB& column_meta,
 }
 
 // Register hijacked accessors
-ACCESS_PRIVATE_FIELD(ExecEnv_encoding_info_resolver, ExecEnv,
+ACCESS_PRIVATE_FIELD(ExecEnv_encoding_info_resolver, doris::ExecEnv,
                      doris::segment_v2::EncodingInfoResolver*, _encoding_info_resolver);
-ACCESS_PRIVATE_FIELD(ExecEnv_orphan_mem_tracker, ExecEnv, std::shared_ptr<doris::MemTrackerLimiter>,
-                     _orphan_mem_tracker);
-ACCESS_PRIVATE_STATIC_FIELD(ExecEnv_tracking_memory, ExecEnv, std::atomic_bool, _s_tracking_memory);
+ACCESS_PRIVATE_FIELD(ExecEnv_orphan_mem_tracker, doris::ExecEnv,
+                     std::shared_ptr<doris::MemTrackerLimiter>, _orphan_mem_tracker);
+ACCESS_PRIVATE_STATIC_FIELD(ExecEnv_tracking_memory, doris::ExecEnv, std::atomic_bool,
+                            _s_tracking_memory);
 
 void show_segment_data(const std::string& file_name) {
     // Initialize ExecEnv components needed for ColumnReader
@@ -779,15 +780,15 @@ void show_segment_data(const std::string& file_name) {
     auto mem_tracker = GET_PRIVATE_FIELD(ExecEnv_orphan_mem_tracker);
     auto tracking_memory = GET_PRIVATE_STATIC_FIELD(ExecEnv_tracking_memory);
     // Initialize encoding info resolver for ColumnReader
-    if (exec_env.*resolver == nullptr) {
-        exec_env.*resolver = new doris::segment_v2::EncodingInfoResolver();
+    if ((*exec_env).*resolver == nullptr) {
+        (*exec_env).*resolver = new doris::segment_v2::EncodingInfoResolver();
     }
     // Initialize mem tracker limiter pool and orphan mem tracker for ThreadMemTrackerMgr
     if (exec_env->mem_tracker_limiter_pool.empty()) {
         exec_env->mem_tracker_limiter_pool.resize(doris::MEM_TRACKER_GROUP_NUM,
                                                   doris::TrackerLimiterGroup());
         tracking_memory->store(true, std::memory_order_release);
-        exec_env.*mem_tracker = doris::MemTrackerLimiter::create_shared(
+        (*exec_env).*mem_tracker = doris::MemTrackerLimiter::create_shared(
                 doris::MemTrackerLimiter::Type::GLOBAL, "Orphan");
     }