From fd1cdfbd63e289f089f09fe6cee7c504352f9485 Mon Sep 17 00:00:00 2001
From: Alex Owens <alexowens90@gmail.com>
Date: Fri, 20 Dec 2024 11:47:45 +0000
Subject: [PATCH] Bugfix 4897570890562900007: Fix decoding of fields with >2^16
 blocks

---
 cpp/arcticdb/storage/memory_layout.hpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cpp/arcticdb/storage/memory_layout.hpp b/cpp/arcticdb/storage/memory_layout.hpp
index 1536369612..05b6431549 100644
--- a/cpp/arcticdb/storage/memory_layout.hpp
+++ b/cpp/arcticdb/storage/memory_layout.hpp
@@ -101,15 +101,15 @@ enum class BitmapFormat : uint8_t {
 // pointer to the first block
 struct EncodedField {
     EncodedFieldType type_ = EncodedFieldType::UNKNOWN;
-    uint16_t shapes_count_ = 0u;
-    uint16_t values_count_ = 0u;
+    uint32_t shapes_count_ = 0u;
+    uint32_t values_count_ = 0u;
     uint32_t sparse_map_bytes_ = 0u;
     uint32_t items_count_ = 0u;
     BitmapFormat format_ = BitmapFormat::UNKNOWN;
     std::array<Block, 1> blocks_;
 };
 
-static_assert(sizeof(EncodedField) == 60);
+static_assert(sizeof(EncodedField) == 64);
 
 enum class EncodingVersion : uint16_t {
     V1 = 0,