CsvTableReader

JsonTableReader

<code>CsvTableReader</code> and <code>JsonTableReader</code> wrap the Arrow C++ CSV
and JSON table readers. See their usage in <code><a rd-options="=read_csv_arrow" href="/link/read_csv_arrow()?package=arrow&version=0.16.0.2&to=%3Dread_csv_arrow" data-mini-rdoc="=read_csv_arrow::read_csv_arrow()">read_csv_arrow()</a></code> and
<code><a rd-options="=read_json_arrow" href="/link/read_json_arrow()?package=arrow&version=0.16.0.2&to=%3Dread_json_arrow" data-mini-rdoc="=read_json_arrow::read_json_arrow()">read_json_arrow()</a></code>, respectively.

'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 

CsvTableReader function

The <code>CsvTableReader$create()</code> and <code>JsonTableReader$create()</code> factory methods
take the following arguments:<ul>
<li><code>file</code> A character path to a local file, or an Arrow input stream</li>
<li><code>convert_options</code> (CSV only), <code>parse_options</code>, <code>read_options</code>: see
<a rd-options="" href="/link/CsvReadOptions?package=arrow&version=0.16.0.2" data-mini-rdoc="arrow::CsvReadOptions">CsvReadOptions</a></li>
<li><code>...</code> additional parameters.</li>
</ul>

Factory

<ul>
<li><code>$Read()</code>: returns an Arrow Table.</li>
</ul>

Methods

<code>CsvTableReader</code> and <code>JsonTableReader</code> wrap the Arrow C++ CSV
and JSON table readers. See their usage in <code><a rd-options='=read_csv_arrow' href='read_csv_arrow()'>read_csv_arrow()</a></code> and
<code><a rd-options='=read_json_arrow' href='read_json_arrow()'>read_json_arrow()</a></code>, respectively.

CsvTableReader: Arrow CSV and JSON table reader classes

Description

Arguments

Factory

Methods