Enum mz_repr::row::encoding2::DatumColumnDecoder
source · enum DatumColumnDecoder {
Show 29 variants
Bool(BooleanArray),
U8(UInt8Array),
U16(UInt16Array),
U32(UInt32Array),
U64(UInt64Array),
I16(Int16Array),
I32(Int32Array),
I64(Int64Array),
F32(Float32Array),
F64(Float64Array),
Numeric(BinaryArray),
Bytes(BinaryArray),
String(StringArray),
Date(Int32Array),
Time(FixedSizeBinaryArray),
Timestamp(FixedSizeBinaryArray),
TimestampTz(FixedSizeBinaryArray),
MzTimestamp(UInt64Array),
Interval(FixedSizeBinaryArray),
Uuid(FixedSizeBinaryArray),
Json(StringArray),
Array {
dim_offsets: OffsetBuffer<i32>,
dims: FixedSizeBinaryArray,
val_offsets: OffsetBuffer<i32>,
vals: Box<DatumColumnDecoder>,
nulls: Option<NullBuffer>,
},
List {
offsets: OffsetBuffer<i32>,
values: Box<DatumColumnDecoder>,
nulls: Option<NullBuffer>,
},
Map {
offsets: OffsetBuffer<i32>,
keys: StringArray,
vals: Box<DatumColumnDecoder>,
nulls: Option<NullBuffer>,
},
RecordEmpty(BooleanArray),
Record {
fields: Vec<Box<DatumColumnDecoder>>,
nulls: Option<NullBuffer>,
},
Range(BinaryArray),
MzAclItem(BinaryArray),
AclItem(FixedSizeBinaryArray),
}
Expand description
A decoder for a column of Datum
s.
Note: We specifically structure the decoder as an enum instead of using trait objects because Datum decoding is an extremely hot path and downcasting objects is relatively slow.
Variants§
Bool(BooleanArray)
U8(UInt8Array)
U16(UInt16Array)
U32(UInt32Array)
U64(UInt64Array)
I16(Int16Array)
I32(Int32Array)
I64(Int64Array)
F32(Float32Array)
F64(Float64Array)
Numeric(BinaryArray)
Bytes(BinaryArray)
String(StringArray)
Date(Int32Array)
Time(FixedSizeBinaryArray)
Timestamp(FixedSizeBinaryArray)
TimestampTz(FixedSizeBinaryArray)
MzTimestamp(UInt64Array)
Interval(FixedSizeBinaryArray)
Uuid(FixedSizeBinaryArray)
Json(StringArray)
Array
Fields
§
dim_offsets: OffsetBuffer<i32>
§
dims: FixedSizeBinaryArray
§
val_offsets: OffsetBuffer<i32>
§
vals: Box<DatumColumnDecoder>
§
nulls: Option<NullBuffer>
List
Map
Fields
§
offsets: OffsetBuffer<i32>
§
keys: StringArray
§
vals: Box<DatumColumnDecoder>
§
nulls: Option<NullBuffer>
RecordEmpty(BooleanArray)
Record
Range(BinaryArray)
MzAclItem(BinaryArray)
AclItem(FixedSizeBinaryArray)
Implementations§
Trait Implementations§
Auto Trait Implementations§
impl Freeze for DatumColumnDecoder
impl RefUnwindSafe for DatumColumnDecoder
impl Send for DatumColumnDecoder
impl Sync for DatumColumnDecoder
impl Unpin for DatumColumnDecoder
impl UnwindSafe for DatumColumnDecoder
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> FutureExt for T
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source§fn with_current_context(self) -> WithContext<Self>
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source§impl<T> IntoRequest<T> for T
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T
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impl<T> Pointable for T
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.source§impl<'a, S, T> Semigroup<&'a S> for Twhere
T: Semigroup<S>,
impl<'a, S, T> Semigroup<&'a S> for Twhere
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source§fn plus_equals(&mut self, rhs: &&'a S)
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std::ops::AddAssign
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