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The following commit(s) were added to refs/heads/master by this push:
new df59cddcec Support `StringView` and `BinaryView` in CDataInterface
(#6171)
df59cddcec is described below
commit df59cddcec98003b8e235b03c52eafeeb7573e08
Author: Andrew Duffy <a...@users.noreply.github.com>
AuthorDate: Fri Aug 2 11:06:36 2024 -0400
Support `StringView` and `BinaryView` in CDataInterface (#6171)
* fix round-trip for view schema in CFFI
* add
---
arrow-schema/src/ffi.rs | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arrow-schema/src/ffi.rs b/arrow-schema/src/ffi.rs
index d12e237d79..b0c6a9f520 100644
--- a/arrow-schema/src/ffi.rs
+++ b/arrow-schema/src/ffi.rs
@@ -390,8 +390,10 @@ impl TryFrom<&FFI_ArrowSchema> for DataType {
"e" => DataType::Float16,
"f" => DataType::Float32,
"g" => DataType::Float64,
+ "vz" => DataType::BinaryView,
"z" => DataType::Binary,
"Z" => DataType::LargeBinary,
+ "vu" => DataType::Utf8View,
"u" => DataType::Utf8,
"U" => DataType::LargeUtf8,
"tdD" => DataType::Date32,
@@ -660,8 +662,10 @@ fn get_format_string(dtype: &DataType) -> Result<String,
ArrowError> {
DataType::Float16 => Ok("e".to_string()),
DataType::Float32 => Ok("f".to_string()),
DataType::Float64 => Ok("g".to_string()),
+ DataType::BinaryView => Ok("vz".to_string()),
DataType::Binary => Ok("z".to_string()),
DataType::LargeBinary => Ok("Z".to_string()),
+ DataType::Utf8View => Ok("vu".to_string()),
DataType::Utf8 => Ok("u".to_string()),
DataType::LargeUtf8 => Ok("U".to_string()),
DataType::FixedSizeBinary(num_bytes) => Ok(format!("w:{num_bytes}")),
@@ -810,6 +814,10 @@ mod tests {
5,
));
round_trip_type(DataType::Utf8);
+ round_trip_type(DataType::Utf8View);
+ round_trip_type(DataType::BinaryView);
+ round_trip_type(DataType::Binary);
+ round_trip_type(DataType::LargeBinary);
round_trip_type(DataType::List(Arc::new(Field::new(
"a",
DataType::Int16,
