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| <section id="migrating-from-koalas-to-pandas-api-on-spark"> |
| <h1>Migrating from Koalas to pandas API on Spark<a class="headerlink" href="#migrating-from-koalas-to-pandas-api-on-spark" title="Permalink to this headline">#</a></h1> |
| <ul> |
| <li><p>The package name to import should be changed to <code class="docutils literal notranslate"><span class="pre">pyspark.pandas</span></code> from <code class="docutils literal notranslate"><span class="pre">databricks.koalas</span></code>.</p> |
| <blockquote> |
| <div><div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="c1"># import databricks.koalas as ks</span> |
| <span class="kn">import</span><span class="w"> </span><span class="nn">pyspark.pandas</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">ps</span> |
| </pre></div> |
| </div> |
| </div></blockquote> |
| </li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">DataFrame.koalas</span></code> in Koalas DataFrame was renamed to <code class="docutils literal notranslate"><span class="pre">DataFrame.pandas_on_spark</span></code> in pandas-on-Spark DataFrame. <code class="docutils literal notranslate"><span class="pre">DataFrame.koalas</span></code> was removed as of Spark 4.0.</p></li> |
| <li><p>Monkey-patched <code class="docutils literal notranslate"><span class="pre">DataFrame.to_koalas</span></code> in PySpark DataFrame was renamed to <code class="docutils literal notranslate"><span class="pre">DataFrame.pandas_api</span></code> in PySpark DataFrame. <code class="docutils literal notranslate"><span class="pre">DataFrame.to_koalas</span></code> was removed as of Spark 4.0.</p></li> |
| <li><p>Monkey-patched <code class="docutils literal notranslate"><span class="pre">DataFrame.to_pandas_on_spark</span></code> in PySpark DataFrame was renamed to <code class="docutils literal notranslate"><span class="pre">DataFrame.pandas_api</span></code> in PySpark DataFrame. <code class="docutils literal notranslate"><span class="pre">DataFrame.to_pandas_on_spark</span></code> was removed as of Spark 4.0.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">databricks.koalas.__version__</span></code> was removed. <code class="docutils literal notranslate"><span class="pre">pyspark.__version__</span></code> should be used instead.</p></li> |
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