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class="nav-toggle"></button> <a href="../../index.html" class="home-link"></a> <nav class="breadcrumbs" aria-label="breadcrumbs"> <ul> <li><a href="../../index.html">User manual</a></li> <li><a href="../plugins.html">Plugins</a></li> <li><a href="../transforms.html">Transform Plugins</a></li> <li><a href="xmljoin.html">XML Join</a></li> </ul> </nav> <div class="edit-this-page"><a href="https://github.com/apache/incubator-hop/edit/master/plugins/transforms/xml/src/main/doc/xmljoin.adoc">Edit this Page</a></div> </div> <article class="doc"> <h1 class="page">XML Join</h1> <div class="sect1"> <h2 id="_description"><a class="anchor" href="#_description"></a>Description</h2> <div class="sectionbody"> <div class="paragraph"> <p>The XML Join transform allows to add xml tags from one stream into a leading XML structure from a second stream. While the target stream must have only one row, since it represents a XML document, the other stream can consist of many rows and the tags from all rows will be added to the target document.</p> </div> <div class="paragraph"> <p>After the join only one row will be produced containing the fields of the target transform plus the result field of the join.</p> </div> </div> </div> <div class="sect1"> <h2 id="_options"><a class="anchor" href="#_options"></a>Options</h2> <div class="sectionbody"> <div class="table-wrapper"><table class="tableblock frame-all grid-all"> <colgroup> <col> <col> </colgroup> <thead> <tr> <th class="tableblock halign-left valign-top">Option</th> <th class="tableblock halign-left valign-top">Description</th> </tr> </thead> <tbody> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Transform name</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Name of the transform.</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Target XML Transform</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Transform that sends the target document to the join.</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Target XML Field</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Field that contains the XML structure.</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Source XML Transform</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Transform that send the XML structure(s) to the join that need to be added to the target.</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Source XML Field</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Field that contains the XML structures that get added to the target.</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">XPath Statemen</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">XPath statement to find the node in the target document where the tags will be added. When the complex join is eneabled a single ? is used as a placeholder.</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Complex Join</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Flag to enable the complex join syntax, using the placeholder in the XPath Statment</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Join Comparision Field</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Field that contains the values that get replaced in the XPath Statement</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Result XML field</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">The field that wil contain the result.</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Encoding</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Encoding to be used in the XML Header and to transform the XML.</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Omit XML header</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Should the XML header be omitted? The encoding of the target XML will be preserved</p></td> </tr> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Omit null values from XML result</p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">Without checking this option, null values are added to the XML output as an empty element, for instance: <abc/>. When this option is checked, these tags are completely omitted in the output. This is useful to save space in the output file (for high volume transactions) and to create special needed output.</p></td> </tr> </tbody> </table></div> </div> </div> <div class="sect1"> <h2 id="_metadata_injection_support"><a class="anchor" href="#_metadata_injection_support"></a>Metadata Injection Support</h2> <div class="sectionbody"> <div class="paragraph"> <p>All fields of this transform support metadata injection. You can use this transform with ETL Metadata Injection to pass metadata to your pipeline at runtime.</p> </div> </div> </div> </article> </main> </div> <footer> <div class="footer"> <dl> <dt>Overview</dt> <dd><a href="../../../../download/">Download</a></dd> <dd><a href="../../../../manual/latest/">Getting started</a></dd> </dl> <dl> <dt>Community</dt> <dd><a target="_blank" href="https://issues.apache.org/jira/projects/HOP/issues">Jira</a></dd> <dd><a target="_blank" href="https://chat.project-hop.org">Chat</a></dd> <dd><a target="_blank" href="../../../../community/team/">Team</a></dd> </dl> <dl> <dt>About</dt> <dd><a target="_blank" href="https://www.apache.org/licenses/" title="License">License</a></dd> </dl> <p> © 2019-2021 The Hop Team.<br> All marks mentioned may be trademarks or registered trademarks of their respective owners. </p> </div> </footer> <script src="../../../../_/js/site-8ed57175ed.js"></script> <script async src="../../../../_/js/vendor/highlight-41b831b4c4.js"></script> <script src="../../../../_/js/vendor/cookies-eu-banner-d4a1518c50.js"></script> <script> new CookiesEuBanner(function () { |
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