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| <h1>User defined functions<a class="headerlink" href="#user-defined-functions" title="Permalink to this headline">ΒΆ</a></h1> |
| <p>Users may add custom functions to the AGE. When using the Cypher function, all function calls with a Cypher query use the default namespace of: ag_catalog. However if a user want to use a function outside this namespace, they may do so by adding the namespace before the function name.</p> |
| <p>Syntax: <code class="docutils literal notranslate"><span class="pre">namespace_name.function_name</span></code></p> |
| <p>Query</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>SELECT * |
| FROM cypher('graph_name', $$ |
| RETURN pg_catalog.sqrt(25) |
| $$ as (result agtype); |
| </pre></div> |
| </div> |
| <p>Result:</p> |
| <table> |
| <tr> |
| <td>result |
| </td> |
| </tr> |
| <tr> |
| <td>25 |
| </td> |
| </tr> |
| <tr> |
| <td>1 row(s) returned |
| </td> |
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