<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>SimpleCsvFileLookupService</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">SimpleCsvFileLookupService</h1><h2>Description: </h2><p>A reloadable CSV file-based lookup service. The first line of the csv file is considered as header.</p><h3>Tags: </h3><p>lookup, cache, enrich, join, csv, reloadable, key, value</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><table id="properties"><tr><th>Display Name</th><th>API Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>CSV File</strong></td><td>csv-file</td><td></td><td id="allowable-values"></td><td id="description">Path to a CSV File in which the key value pairs can be looked up.<br/><br/><strong>This property requires exactly one file to be provided..</strong><br/><br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>CSV Format</strong></td><td>CSV Format</td><td id="default-value">Default Format</td><td id="allowable-values"><ul><li>Custom Format <img src="../../../../../html/images/iconInfo.png" alt="The format of the CSV is configured by using the properties of this Controller Service, such as Value Separator" title="The format of the CSV is configured by using the properties of this Controller Service, such as Value Separator"></img></li><li>RFC 4180 <img src="../../../../../html/images/iconInfo.png" alt="CSV data follows the RFC 4180 Specification defined at https://tools.ietf.org/html/rfc4180" title="CSV data follows the RFC 4180 Specification defined at https://tools.ietf.org/html/rfc4180"></img></li><li>Microsoft Excel <img src="../../../../../html/images/iconInfo.png" alt="CSV data follows the format used by Microsoft Excel" title="CSV data follows the format used by Microsoft Excel"></img></li><li>Tab-Delimited <img src="../../../../../html/images/iconInfo.png" alt="CSV data is Tab-Delimited instead of Comma Delimited" title="CSV data is Tab-Delimited instead of Comma Delimited"></img></li><li>MySQL Format <img src="../../../../../html/images/iconInfo.png" alt="CSV data follows the format used by MySQL" title="CSV data follows the format used by MySQL"></img></li><li>Informix Unload <img src="../../../../../html/images/iconInfo.png" alt="The format used by Informix when issuing the UNLOAD TO file_name command" title="The format used by Informix when issuing the UNLOAD TO file_name command"></img></li><li>Informix Unload Escape Disabled <img src="../../../../../html/images/iconInfo.png" alt="The format used by Informix when issuing the UNLOAD TO file_name command with escaping disabled" title="The format used by Informix when issuing the UNLOAD TO file_name command with escaping disabled"></img></li><li>Default Format <img src="../../../../../html/images/iconInfo.png" alt="Same as custom format. Available for compatibility reasons." title="Same as custom format. Available for compatibility reasons."></img></li><li>RFC4180 <img src="../../../../../html/images/iconInfo.png" alt="Same as RFC 4180. Available for compatibility reasons." title="Same as RFC 4180. Available for compatibility reasons."></img></li></ul></td><td id="description">Specifies which "format" the CSV data is in, or specifies if custom formatting should be used.</td></tr><tr><td id="name"><strong>Character Set</strong></td><td>Character Set</td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">The Character Encoding that is used to decode the CSV file.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Lookup Key Column</strong></td><td>lookup-key-column</td><td></td><td id="allowable-values"></td><td id="description">The field in the CSV file that will serve as the lookup key. This is the field that will be matched against the property specified in the lookup processor.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Ignore Duplicates</strong></td><td>ignore-duplicates</td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Ignore duplicate keys for records in the CSV file.</td></tr><tr><td id="name"><strong>Value Separator</strong></td><td>Value Separator</td><td id="default-value">,</td><td id="allowable-values"></td><td id="description">The character that is used to separate values/fields in a CSV Record. If the property has been specified via Expression Language but the expression gets evaluated to an invalid Value Separator at runtime, then it will be skipped and the default Value Separator will be used.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong><br/><br/><strong>This Property is only considered if </strong><strong>the [CSV Format] Property has a value of "Custom Format".</strong></td></tr><tr><td id="name"><strong>Quote Character</strong></td><td>Quote Character</td><td id="default-value">"</td><td id="allowable-values"></td><td id="description">The character that is used to quote values so that escape characters do not have to be used. If the property has been specified via Expression Language but the expression gets evaluated to an invalid Quote Character at runtime, then it will be skipped and the default Quote Character will be used.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong><br/><br/><strong>This Property is only considered if </strong><strong>the [CSV Format] Property has a value of "Custom Format".</strong></td></tr><tr><td id="name"><strong>Quote Mode</strong></td><td>Quote Mode</td><td id="default-value">Quote Minimal</td><td id="allowable-values"><ul><li>Quote All Values <img src="../../../../../html/images/iconInfo.png" alt="All values will be quoted using the configured quote character." title="All values will be quoted using the configured quote character."></img></li><li>Quote Minimal <img src="../../../../../html/images/iconInfo.png" alt="Values will be quoted only if they are contain special characters such as newline characters or field separators." title="Values will be quoted only if they are contain special characters such as newline characters or field separators."></img></li><li>Quote Non-Numeric Values <img src="../../../../../html/images/iconInfo.png" alt="Values will be quoted unless the value is a number." title="Values will be quoted unless the value is a number."></img></li><li>Do Not Quote Values <img src="../../../../../html/images/iconInfo.png" alt="Values will not be quoted. Instead, all special characters will be escaped using the configured escape character." title="Values will not be quoted. Instead, all special characters will be escaped using the configured escape character."></img></li></ul></td><td id="description">Specifies how fields should be quoted when they are written<br/><br/><strong>This Property is only considered if </strong><strong>the [CSV Format] Property has a value of "Custom Format".</strong></td></tr><tr><td id="name">Comment Marker</td><td>Comment Marker</td><td></td><td id="allowable-values"></td><td id="description">The character that is used to denote the start of a comment. Any line that begins with this comment will be ignored.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong><br/><br/><strong>This Property is only considered if </strong><strong>the [CSV Format] Property has a value of "Custom Format".</strong></td></tr><tr><td id="name"><strong>Escape Character</strong></td><td>Escape Character</td><td id="default-value">\</td><td id="allowable-values"></td><td id="description">The character that is used to escape characters that would otherwise have a specific meaning to the CSV Parser. If the property has been specified via Expression Language but the expression gets evaluated to an invalid Escape Character at runtime, then it will be skipped and the default Escape Character will be used. Setting it to an empty string means no escape character should be used.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong><br/><br/><strong>This Property is only considered if </strong><strong>the [CSV Format] Property has a value of "Custom Format".</strong></td></tr><tr><td id="name"><strong>Trim Fields</strong></td><td>Trim Fields</td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether or not white space should be removed from the beginning and end of fields<br/><br/><strong>This Property is only considered if </strong><strong>the [CSV Format] Property has a value of "Custom Format".</strong></td></tr><tr><td id="name"><strong>Lookup Value Column</strong></td><td>lookup-value-column</td><td></td><td id="allowable-values"></td><td id="description">Lookup value column.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>System Resource Considerations:</h3>None specified.</body></html>