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feat(blobv2): support all BlobKind types in blob v2 compact_files #7017

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feat(blobv2): support all BlobKind types in blob v2 compact_files #7017

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989ed2e
feat(blobv2): support all BlobKind types in blob v2 compact_files
yyzhao2025 May 31, 2026
d514485
fix(optimize): restore cleanup of orphan data files on compaction fai…
yyzhao2025 Jun 1, 2026
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20 changes: 20 additions & 0 deletions rust/lance-core/src/datatypes.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,26 @@ pub static BLOB_V2_DESC_FIELD: LazyLock<ArrowField> = LazyLock::new(|| {
pub static BLOB_V2_DESC_LANCE_FIELD: LazyLock<Field> =
LazyLock::new(|| Field::try_from(&*BLOB_V2_DESC_FIELD).unwrap());

/// Blob v2 user-view struct fields used by internal rewrite paths.
///
/// This schema converts the descriptor view back into the write-side view used
/// by blob compaction.
pub static BLOB_V2_USER_FIELDS: LazyLock<Fields> = LazyLock::new(|| {
Fields::from(vec![
ArrowField::new("data", DataType::LargeBinary, true),
ArrowField::new("uri", DataType::Utf8, true),
ArrowField::new("position", DataType::UInt64, true),
ArrowField::new("size", DataType::UInt64, true),
])
});

/// Blob v2 user-view struct type used by internal rewrite paths.
///
/// This schema converts the descriptor view back into the write-side view used
/// by blob compaction.
pub static BLOB_V2_USER_TYPE: LazyLock<DataType> =
LazyLock::new(|| DataType::Struct(BLOB_V2_USER_FIELDS.clone()));

pub const BLOB_LOGICAL_TYPE: &str = "blob";

/// LogicalType is a string presentation of arrow type.
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