pub struct ColumnarRecordsStructuredExt {
pub key: ArrayRef,
pub val: ArrayRef,
}
Expand description
An “extension” to ColumnarRecords
that duplicates the “key” (K
) and “val” (V
) columns
as structured Arrow data.
ColumnarRecords
stores the key and value columns as binary blobs encoded with the Codec
trait. We’re migrating to instead store the key and value columns as structured Parquet data,
which we interface with via Arrow.
Fields§
§key: ArrayRef
The structured k
column.
arrow
does not allow empty StructArray
s so we model an empty key
column as None.
val: ArrayRef
The structured v
column.
arrow
does not allow empty StructArray
s so we model an empty val
column as None.
Implementations§
Source§impl ColumnarRecordsStructuredExt
impl ColumnarRecordsStructuredExt
Sourcepub fn into_proto(&self) -> (ProtoArrayData, ProtoArrayData)
pub fn into_proto(&self) -> (ProtoArrayData, ProtoArrayData)
See RustType::into_proto
.
Sourcepub fn from_proto(
key: Option<ProtoArrayData>,
val: Option<ProtoArrayData>,
) -> Result<Option<Self>, TryFromProtoError>
pub fn from_proto( key: Option<ProtoArrayData>, val: Option<ProtoArrayData>, ) -> Result<Option<Self>, TryFromProtoError>
See RustType::from_proto
.
Trait Implementations§
Source§impl Clone for ColumnarRecordsStructuredExt
impl Clone for ColumnarRecordsStructuredExt
Source§fn clone(&self) -> ColumnarRecordsStructuredExt
fn clone(&self) -> ColumnarRecordsStructuredExt
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moreSource§impl Debug for ColumnarRecordsStructuredExt
impl Debug for ColumnarRecordsStructuredExt
Auto Trait Implementations§
impl Freeze for ColumnarRecordsStructuredExt
impl !RefUnwindSafe for ColumnarRecordsStructuredExt
impl Send for ColumnarRecordsStructuredExt
impl Sync for ColumnarRecordsStructuredExt
impl Unpin for ColumnarRecordsStructuredExt
impl !UnwindSafe for ColumnarRecordsStructuredExt
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