arrow__Schema

arrow::Schema

datasets

'Apache' 'Arrow' <https://arrow.apache.org/> is a cross-language
development platform for in-memory data. It specifies a standardized
language-independent columnar memory format for flat and hierarchical data,
organized for efficient analytic operations on modern hardware. This
package provides an interface to the 'Arrow C++' library.

Neal Richardson

arrow

Integration to 'Apache' 'Arrow'

Romain François

Jeroen Ooms

Javier Luraschi

Jeffrey Wong

Apache Arrow 

arrow__Schema function

<pre>s &lt;- schema(...)s$ToString()
s$num_fields()
s$field(i)
</pre>

Usage

<ul>
<li><code>$ToString()</code>: convert to a string</li>
<li><code>$num_fields()</code>: returns the number of fields</li>
<li><code>$field(i)</code>: returns the field at index <code>i</code> (0-based)</li>
</ul>

Methods

class arrow::Schema — arrow__Schema

class arrow::Schema

arrow__Schema: class arrow::Schema

Description

Arguments

Usage

Methods