Support more data types in GeozeroDatasource impl

Cargo.toml

@@ -47,11 +47,12 @@ rayon = ["dep:rayon"]
 [dependencies]
 anyhow = "1"
 arrow = { version = "51", features = ["ffi"] }
-arrow-array = "51"
+arrow-array = { version = "51", features = ["chrono-tz"] }
 arrow-buffer = "51"
 arrow-cast = "51"
 arrow-data = "51"
 arrow-ipc = "51"
+arrow-json = "51"
 arrow-schema = "51"
 async-stream = { version = "0.3", optional = true }
 async-trait = { version = "0.1", optional = true }
@@ -96,6 +97,13 @@ sqlx = { version = "0.7", optional = true, default-features = false, features =
 thiserror = "1"
 tokio = { version = "1", default-features = false, optional = true }
 
+# Temporary until https://github.com/georust/geozero/pull/208 is merged and released.
+geojson = { version = "0.24.1", default-features = false }
+
+half = "*"
+lexical-core = "*"
+
+
 [dev-dependencies]
 approx = "0.5.1"
 bytes = "1.5.0"

js/src/io/geojson.rs

@@ -1,6 +1,6 @@
 use std::io::Cursor;
 
-use geoarrow::io::geojson::read_geojson as _read_geojson;
+use geoarrow::io::geojson::{read_geojson as _read_geojson, write_geojson as _write_geojson};
 // use parquet_wasm::utils::assert_parquet_file_not_empty;
 use wasm_bindgen::prelude::*;
 
@@ -32,3 +32,15 @@ pub fn read_geojson(file: &[u8], batch_size: Option<usize>) -> WasmResult<Table>
     let (schema, batches) = geo_table.into_inner();
     Ok(Table::new(schema, batches))
 }
+
+/// Write table to GeoJSON
+///
+/// Note that this consumes the table input
+#[wasm_bindgen(js_name = writeGeoJSON)]
+pub fn write_geojson(table: Table) -> WasmResult<Vec<u8>> {
+    let (schema, batches) = table.into_inner();
+    let mut rust_table = geoarrow::table::Table::try_new(schema, batches)?;
+    let mut output_file: Vec<u8> = vec![];
+    _write_geojson(&mut rust_table, &mut output_file)?;
+    Ok(output_file)
+}

python/core/src/io/parquet/reader.rs

@@ -384,7 +384,6 @@ impl ParquetFile {
 #[pyclass(module = "geoarrow.rust.core._rust")]
 pub struct ParquetDataset {
     inner: _ParquetDataset<ParquetObjectReader>,
-    #[allow(dead_code)]
     rt: Arc<Runtime>,
 }