RelationalAI · rgankema · May 28, 2026 · May 11, 2026 · May 11, 2026 · May 11, 2026
diff --git a/.gitignore b/.gitignore
@@ -5,4 +5,5 @@ iceberg_rust_ffi/integration_test
 **/*.dylib
 **/.claude
 **/.DS_Store
-LocalPreferences.toml
+LocalPreferences.toml
+.vscode/settings.json
diff --git a/Project.toml b/Project.toml
@@ -1,6 +1,6 @@
 name = "RustyIceberg"
 uuid = "390bdf5b-b624-43dc-a846-0ef7a3405804"
-version = "0.8.1"
+version = "0.8.2"
 
 [deps]
 Arrow = "69666777-d1a9-59fb-9406-91d4454c9d45"

diff --git a/iceberg_rust_ffi/Cargo.lock b/iceberg_rust_ffi/Cargo.lock
diff --git a/iceberg_rust_ffi/Cargo.toml b/iceberg_rust_ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "iceberg_rust_ffi"
-version = "0.8.1"
+version = "0.8.2"
 edition = "2021"
 
 [lib]

diff --git a/iceberg_rust_ffi/src/lib.rs b/iceberg_rust_ffi/src/lib.rs
@@ -37,9 +37,13 @@ mod transaction;
 // Writer module
 mod writer;
 
-// Column-based writer module (zero-copy from Julia)
+// Shared FFI structs/constants for the column-based write path
 mod writer_columns;
 
+// Incremental RecordBatch builder: per-slice copy into owned buffers, finalize to RecordBatch.
+// Embedded inside `IcebergDataFileWriter`; not directly exposed across the FFI.
+mod record_batch_builder;
+
 // Profiling stats for the file-parallel pipeline
 mod pipeline_stats;
 
@@ -80,7 +84,7 @@ pub use transaction::{IcebergDataFiles, IcebergTransaction, IcebergTransactionRe
 pub use writer::{
     IcebergDataFileWriter, IcebergDataFileWriterResponse, IcebergWriterCloseResponse,
 };
-pub use writer_columns::ColumnDescriptor;
+pub use writer_columns::ColumnSlice;
 
 // We use `jl_adopt_thread` to ensure Rust can call into Julia when notifying
 // the Base.Event that is waiting for the Rust result.