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| <h1>Create Arrow extension arrays</h1> |
| <small class="dont-index">Source: <a href="https://github.com/apache/arrow-nanoarrow/blob/main/r/R/extension.R" class="external-link"><code>R/extension.R</code></a></small> |
| <div class="d-none name"><code>nanoarrow_extension_array.Rd</code></div> |
| </div> |
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| <div class="ref-description section level2"> |
| <p>Create Arrow extension arrays</p> |
| </div> |
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| <div class="section level2"> |
| <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2> |
| <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">nanoarrow_extension_array</span><span class="op">(</span></span> |
| <span> <span class="va">storage_array</span>,</span> |
| <span> <span class="va">extension_name</span>,</span> |
| <span> extension_metadata <span class="op">=</span> <span class="cn">NULL</span></span> |
| <span><span class="op">)</span></span></code></pre></div> |
| </div> |
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| <div class="section level2"> |
| <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2> |
| |
| |
| <dl><dt id="arg-storage-array">storage_array<a class="anchor" aria-label="anchor" href="#arg-storage-array"></a></dt> |
| <dd><p>A <a href="as_nanoarrow_array.html">nanoarrow_array</a>.</p></dd> |
| |
| |
| <dt id="arg-extension-name">extension_name<a class="anchor" aria-label="anchor" href="#arg-extension-name"></a></dt> |
| <dd><p>For <code><a href="na_type.html">na_extension()</a></code>, the extension name. This is |
| typically namespaced separated by dots (e.g., arrow.r.vctrs).</p></dd> |
| |
| |
| <dt id="arg-extension-metadata">extension_metadata<a class="anchor" aria-label="anchor" href="#arg-extension-metadata"></a></dt> |
| <dd><p>A string or raw vector defining extension metadata. |
| Most Arrow extension types define extension metadata as a JSON object.</p></dd> |
| |
| </dl></div> |
| <div class="section level2"> |
| <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2> |
| <p>A <a href="as_nanoarrow_array.html">nanoarrow_array</a> with attached extension |
| schema.</p> |
| </div> |
| |
| <div class="section level2"> |
| <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2> |
| <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="fu">nanoarrow_extension_array</span><span class="op">(</span><span class="fl">1</span><span class="op">:</span><span class="fl">10</span>, <span class="st">"some_ext"</span>, <span class="st">'{"key": "value"}'</span><span class="op">)</span></span></span> |
| <span class="r-out co"><span class="r-pr">#></span> <nanoarrow_array some_ext{int32}[10]></span> |
| <span class="r-out co"><span class="r-pr">#></span> $ length : int 10</span> |
| <span class="r-out co"><span class="r-pr">#></span> $ null_count: int 0</span> |
| <span class="r-out co"><span class="r-pr">#></span> $ offset : int 0</span> |
| <span class="r-out co"><span class="r-pr">#></span> $ buffers :List of 2</span> |
| <span class="r-out co"><span class="r-pr">#></span> ..$ :<nanoarrow_buffer validity<bool>[0][0 b]> ``</span> |
| <span class="r-out co"><span class="r-pr">#></span> ..$ :<nanoarrow_buffer data<int32>[10][40 b]> `1 2 3 4 5 6 7 8 9 10`</span> |
| <span class="r-out co"><span class="r-pr">#></span> $ dictionary: NULL</span> |
| <span class="r-out co"><span class="r-pr">#></span> $ children : list()</span> |
| <span class="r-in"><span></span></span> |
| </code></pre></div> |
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