arrow (version 0.14.1)

arrow__Array: class arrow::Array

Array base type. Immutable data array with some logical type and some length.

Description

class arrow::Array

Array base type. Immutable data array with some logical type and some length.

Usage

a <- array(x)
a$IsNull(i)
a$IsValid(i)
a$length() or length(a)
a$offset()
a$null_count()
a$type()
a$type_id()
a$Equals(b)
a$ApproxEquals(b)
a$as_vector()
a$ToString()
a$Slice(offset, length = NULL)
a$RangeEquals(other, start_idx, end_idx, other_start_idx)
print(a)
a == a

Methods

• $IsNull(i): Return true if value at index is null. Does not boundscheck

• $IsValid(i): Return true if value at index is valid. Does not boundscheck

• $length(): Size in the number of elements this array contains

• $offset(): A relative position into another array's data, to enable zero-copy slicing

• $null_count(): The number of null entries in the array

• $type(): logical type of data

• $type_id(): type id

• $Equals(other) : is this array equal to other

• $ApproxEquals(other) :

• $data(): return the underlying arrow::ArrayData

• $as_vector(): convert to an R vector

• $ToString(): string representation of the array

• $Slice(offset, length = NULL) : Construct a zero-copy slice of the array with the indicated offset and length. If length is NULL, the slice goes until the end of the array.

• $RangeEquals(other, start_idx, end_idx, other_start_idx) :