feat: Implement serialize/deserialize for datatypes

Cargo.toml

@@ -27,3 +27,11 @@ license = "Apache-2.0"
 keywords = ["iceberg"]
 
 [dependencies]
+apache-avro = "0.15.0"
+chrono = { version = "0.4.23", default-features = false, features = ["serde"] }
+rust_decimal = "1.27.0"
+serde = "^1.0"
+serde_bytes = "0.11.8"
+serde_json = "^1.0"
+serde_derive = "^1.0"
+thiserror = "1.0.44"

src/error.rs

@@ -0,0 +1,11 @@
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum IcebergError {
+    #[error("The type `{0}` cannot be stored as bytes.")]
+    ValueByteConversion(String),
+    #[error("Failed to convert slice to array")]
+    TryFromSlice(#[from] std::array::TryFromSliceError),
+    #[error("Failed to convert u8 to string")]
+    Utf8(#[from] std::str::Utf8Error),
+}

src/lib.rs

@@ -16,3 +16,5 @@
 // under the License.
 
 //! Native Rust implementation of Apache Iceberg
+pub mod error;
+pub mod spec;