From 3adf4d2a130a0db9754d737d259561b1c63a2a5e Mon Sep 17 00:00:00 2001
From: Mikhail Filimonov <mfilimonov@altinity.com>
Date: Tue, 14 Oct 2025 00:35:27 +0200
Subject: [PATCH 1/2] looked like a bug...

---
 src/Storages/ObjectStorage/DataLakes/IDataLakeMetadata.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Storages/ObjectStorage/DataLakes/IDataLakeMetadata.cpp b/src/Storages/ObjectStorage/DataLakes/IDataLakeMetadata.cpp
index 4a1a09969d99..f524d946a8af 100644
--- a/src/Storages/ObjectStorage/DataLakes/IDataLakeMetadata.cpp
+++ b/src/Storages/ObjectStorage/DataLakes/IDataLakeMetadata.cpp
@@ -141,9 +141,9 @@ void DataFileMetaInfo::serialize(WriteBuffer & out) const
         size_t field_mask = 0;
         if (column.second.rows_count.has_value())
             field_mask |= FIELD_MASK_ROWS;
-        if (column.second.rows_count.has_value())
+        if (column.second.nulls_count.has_value())
             field_mask |= FIELD_MASK_NULLS;
-        if (column.second.rows_count.has_value())
+        if (column.second.hyperrectangle.has_value())
             field_mask |= FIELD_MASK_RECT;
         writeIntBinary(field_mask, out);
 

From a732f751543c3adb622038c43e64751d9f7eed8e Mon Sep 17 00:00:00 2001
From: Mikhail Filimonov <mfilimonov@altinity.com>
Date: Tue, 14 Oct 2025 00:34:16 +0200
Subject: [PATCH 2/2] maybe fix fast build

---
 .../DataLakes/Iceberg/ManifestFile.h          | 25 +++++++++++++------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/src/Storages/ObjectStorage/DataLakes/Iceberg/ManifestFile.h b/src/Storages/ObjectStorage/DataLakes/Iceberg/ManifestFile.h
index 0bfdb758ee22..97098811c015 100644
--- a/src/Storages/ObjectStorage/DataLakes/Iceberg/ManifestFile.h
+++ b/src/Storages/ObjectStorage/DataLakes/Iceberg/ManifestFile.h
@@ -1,6 +1,23 @@
 #pragma once
 
 #include "config.h"
+#include <Core/Range.h>
+#include <Core/Types.h>
+
+#include <optional>
+
+namespace DB::Iceberg
+{
+
+struct ColumnInfo
+{
+    std::optional<Int64> rows_count;
+    std::optional<Int64> bytes_size;
+    std::optional<Int64> nulls_count;
+    std::optional<DB::Range> hyperrectangle;
+};
+
+}
 
 #if USE_AVRO
 
@@ -38,14 +55,6 @@ enum class ManifestFileContentType
 
 String FileContentTypeToString(FileContentType type);
 
-struct ColumnInfo
-{
-    std::optional<Int64> rows_count;
-    std::optional<Int64> bytes_size;
-    std::optional<Int64> nulls_count;
-    std::optional<DB::Range> hyperrectangle;
-};
-
 struct PartitionSpecsEntry
 {
     Int32 source_id;