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Apache Arrow - v20.0.0
Apache Arrow
Arrow.dom
MapRow
类 MapRow<K, V>
类型参数
K
extends
DataType
=
any
V
extends
DataType
=
any
可索引
[
key
:
string
]:
V
[
"TValue"
]
索引
构造函数
constructor
访问器
size
方法
[iterator]
to
Array
toJSON
to
String
构造函数
constructor
new
MapRow
<
K
extends
DataType
<
Type
,
any
>
=
any
,
V
extends
DataType
<
Type
,
any
>
=
any
,
>
(
slice
:
Data
<
Struct
<
{
key
:
K
;
value
:
V
}
>
>
,
)
:
MapRow
<
K
,
V
>
类型参数
K
extends
DataType
<
Type
,
any
>
=
any
V
extends
DataType
<
Type
,
any
>
=
any
参数
slice
:
Data
<
Struct
<
{
key
:
K
;
value
:
V
}
>
>
返回
MapRow
<
K
,
V
>
访问器
size
get
size
()
:
number
返回
number
方法
[iterator]
"[iterator]"
()
:
MapRowIterator
<
K
,
V
>
返回
MapRowIterator
<
K
,
V
>
to
Array
toArray
()
:
unknown
[]
返回
unknown
[]
toJSON
toJSON
()
:
{
[
P
in
any
]
:
V
[
"TValue"
]
}
返回
{
[
P
in
any
]
:
V
[
"TValue"
]
}
to
String
toString
()
:
string
返回
string
设置
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构造函数
constructor
访问器
size
方法
[iterator]
to
Array
toJSON
to
String
Apache Arrow - v20.0.0
Arrow.dom
BufferType
Type
Builder
Data
DataType
MapRow
RecordBatchReader
RecordBatchWriter
StructRow
Table
Vector
Visitor
IntervalDayTimeObject
IntervalMonthDayNanoObject
StructRowProxy
builderThroughAsyncIterable
builderThroughIterable
makeBuilder
makeData
makeTable
makeVector
tableFromArrays
tableFromIPC
tableFromJSON
tableToIPC
vectorFromArray
Arrow.node
BufferType
Builder
builderThroughAsyncIterable
builderThroughIterable
Data
DataType
IntervalDayTimeObject
IntervalMonthDayNanoObject
makeBuilder
makeData
makeTable
makeVector
MapRow
RecordBatchReader
RecordBatchWriter
StructRow
StructRowProxy
Table
tableFromArrays
tableFromIPC
tableFromJSON
tableToIPC
Type
Vector
vectorFromArray
Visitor
M
M
N
E
P
V
F
C
I
C
P
M
F
P
C
P
T
T
A
A
A
T
R