wip

Alex-PLACET · Alex-PLACET · commit 458a9cf5f1d2 · 2025-10-06T16:03:24.000+02:00
diff --git a/include/sparrow_ipc/serialize_utils.hpp b/include/sparrow_ipc/serialize_utils.hpp
@@ -103,7 +103,8 @@ namespace sparrow_ipc
         }
 
         // Calculate schema message size (only once)
-        std::size_t total_size = calculate_schema_message_size(record_batches[0]);
+        auto it = std::ranges::begin(record_batches);
+        std::size_t total_size = calculate_schema_message_size(*it);
 
         // Calculate record batch message sizes
         for (const auto& record_batch : record_batches)
diff --git a/include/sparrow_ipc/serializer.hpp b/include/sparrow_ipc/serializer.hpp
@@ -35,7 +35,7 @@ namespace sparrow_ipc
 
         serializer(const sparrow::record_batch& rb, output_stream& stream);
 
-        template <std::ranges::input_range R>
+        template <std::ranges::random_access_range R>
             requires std::same_as<std::ranges::range_value_t<R>, sparrow::record_batch>
         serializer(const R& record_batches, output_stream& stream)
             : m_pstream(&stream)

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,8 @@ namespace sparrow_ipc`
`103`	`103`	`}`
`104`	`104`
`105`	`105`	`// Calculate schema message size (only once)`
`106`		`- std::size_t total_size = calculate_schema_message_size(record_batches[0]);`
	`106`	`+ auto it = std::ranges::begin(record_batches);`
	`107`	`+ std::size_t total_size = calculate_schema_message_size(*it);`
`107`	`108`
`108`	`109`	`// Calculate record batch message sizes`
`109`	`110`	`for (const auto& record_batch : record_batches)`