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Added: nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.ExecuteSQL/index.html
URL: http://svn.apache.org/viewvc/nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.ExecuteSQL/index.html?rev=1854109&view=auto
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ExecuteSQL</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;">ExecuteSQL</h1><h2>Description: </h2><p>Executes provided SQL select query. Query result will be converted to Avro format. Streaming is used so arbitrarily large result sets are supported. This processor can be scheduled to run on a timer, or cron expression, using the standard scheduling methods, or it can be triggered by an incoming FlowFile. If it is triggered by an incoming FlowFile, then attributes of that FlowFile will be available when evaluating the select query, and the query may use the ? to escape parameters. In this case, the parameters to use must exist as FlowFile attributes with the na
ming convention sql.args.N.type and sql.args.N.value, where N is a positive integer. The sql.args.N.type is expected to be a number indicating the JDBC Type. The content of the FlowFile is expected to be in UTF-8 format. FlowFile attribute 'executesql.row.count' indicates how many rows were selected.</p><h3>Tags: </h3><p>sql, select, jdbc, query, database</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Database Connection Pooling Service</strong></td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>DBCPS
ervice<br/><strong>Implementations: </strong><a href="../../../nifi-dbcp-service-nar/1.9.0/org.apache.nifi.dbcp.DBCPConnectionPoolLookup/index.html">DBCPConnectionPoolLookup</a><br/><a href="../../../nifi-hive-nar/1.9.0/org.apache.nifi.dbcp.hive.HiveConnectionPool/index.html">HiveConnectionPool</a><br/><a href="../../../nifi-dbcp-service-nar/1.9.0/org.apache.nifi.dbcp.DBCPConnectionPool/index.html">DBCPConnectionPool</a></td><td id="description">The Controller Service that is used to obtain connection to database</td></tr><tr><td id="name">SQL Pre-Query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A semicolon-delimited list of queries executed before the main SQL query is executed. For example, set session properties before main query. Results/outputs from these queries will be suppressed if there are no errors.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr>
<tr><td id="name">SQL select query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The SQL select query to execute. The query can be empty, a constant value, or built from attributes using Expression Language. If this property is specified, it will be used regardless of the content of incoming flowfiles. If this property is empty, the content of the incoming flow file is expected to contain a valid SQL select query, to be issued by the processor to the database. Note that Expression Language is not evaluated for flow file contents.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">SQL Post-Query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A semicolon-delimited list of queries executed after the main SQL query is executed. Example like setting session properties after main query. Results/outputs from these qu
eries will be suppressed if there are no errors.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Max Wait Time</strong></td><td id="default-value">0 seconds</td><td id="allowable-values"></td><td id="description">The maximum amount of time allowed for a running SQL select query , zero means there is no limit. Max time less than 1 second will be equal to zero.</td></tr><tr><td id="name"><strong>Normalize Table/Column Names</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether to change non-Avro-compatible characters in column names to Avro-compatible characters. For example, colons and periods will be changed to underscores in order to build a valid Avro record.</td></tr><tr><td id="name"><strong>Use Avro Logical Types</strong></td><td id="default-value">false</td><td id="allowable-valu
es"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether to use Avro Logical Types for DECIMAL/NUMBER, DATE, TIME and TIMESTAMP columns. If disabled, written as string. If enabled, Logical types are used and written as its underlying type, specifically, DECIMAL/NUMBER as logical 'decimal': written as bytes with additional precision and scale meta data, DATE as logical 'date-millis': written as int denoting days since Unix epoch (1970-01-01), TIME as logical 'time-millis': written as int denoting milliseconds since Unix epoch, and TIMESTAMP as logical 'timestamp-millis': written as long denoting milliseconds since Unix epoch. If a reader of written Avro records also knows these logical types, then these values can be deserialized with more context depending on reader implementation.</td></tr><tr><td id="name"><strong>Compression Format</strong></td><td id="default-value">NONE</td><td id="allowable-values"><ul><li>BZIP2</li><li>DEFLATE</li><li>NONE</li><li>SNAPPY</li>
<li>LZO</li></ul></td><td id="description">Compression type to use when writing Avro files. Default is None.</td></tr><tr><td id="name"><strong>Default Decimal Precision</strong></td><td id="default-value">10</td><td id="allowable-values"></td><td id="description">When a DECIMAL/NUMBER value is written as a 'decimal' Avro logical type, a specific 'precision' denoting number of available digits is required. Generally, precision is defined by column data type definition or database engines default. However undefined precision (0) can be returned from some database engines. 'Default Decimal Precision' is used when writing those undefined precision numbers.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Default Decimal Scale</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">When a DECIMAL/NUMBER value is written as a 'decimal' Avro
logical type, a specific 'scale' denoting number of available decimal digits is required. Generally, scale is defined by column data type definition or database engines default. However when undefined precision (0) is returned, scale can also be uncertain with some database engines. 'Default Decimal Scale' is used when writing those undefined numbers. If a value has more decimals than specified scale, then the value will be rounded-up, e.g. 1.53 becomes 2 with scale 0, and 1.5 with scale 1.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Max Rows Per Flow File</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">The maximum number of result rows that will be included in a single FlowFile. This will allow you to break up very large result sets into multiple FlowFiles. If the value specified is zero, then all rows are returned in a si
ngle FlowFile.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Output Batch Size</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">The number of output FlowFiles to queue before committing the process session. When set to zero, the session will be committed when all result set rows have been processed and the output FlowFiles are ready for transfer to the downstream relationship. For large result sets, this can cause a large burst of FlowFiles to be transferred at the end of processor execution. If this property is set, then when the specified number of FlowFiles are ready for transfer, then the session will be committed, thus releasing the FlowFiles to the downstream relationship. NOTE: The fragment.count attribute will not be set on FlowFiles when this property is set.<br/><strong>Supports Expression Language: true (will be evaluated using variabl
e registry only)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>Successfully created FlowFile from SQL query result set.</td></tr><tr><td>failure</td><td>SQL query execution failed. Incoming FlowFile will be penalized and routed to this relationship</td></tr></table><h3>Reads Attributes: </h3><table id="reads-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>sql.args.N.type</td><td>Incoming FlowFiles are expected to be parametrized SQL statements. The type of each Parameter is specified as an integer that represents the JDBC Type of the parameter.</td></tr><tr><td>sql.args.N.value</td><td>Incoming FlowFiles are expected to be parametrized SQL statements. The value of the Parameters are specified as sql.args.1.value, sql.args.2.value, sql.args.3.value, and so on. The type of the sql.args.1.value Parameter is specified by the sql.args.1.type attribute.</td></tr><tr><td>sql.args.N
.format</td><td>This attribute is always optional, but default options may not always work for your data. Incoming FlowFiles are expected to be parametrized SQL statements. In some cases a format option needs to be specified, currently this is only applicable for binary data types, dates, times and timestamps. Binary Data Types (defaults to 'ascii') - ascii: each string character in your attribute value represents a single byte. This is the format provided by Avro Processors. base64: the string is a Base64 encoded string that can be decoded to bytes. hex: the string is hex encoded with all letters in upper case and no '0x' at the beginning. Dates/Times/Timestamps - Date, Time and Timestamp formats all support both custom formats or named format ('yyyy-MM-dd','ISO_OFFSET_DATE_TIME') as specified according to java.time.format.DateTimeFormatter. If not specified, a long value input is expected to be an unix epoch (milli seconds from 1970/1/1), or a string value in 'yyyy-MM-dd' format f
or Date, 'HH:mm:ss.SSS' for Time (some database engines e.g. Derby or MySQL do not support milliseconds and will truncate milliseconds), 'yyyy-MM-dd HH:mm:ss.SSS' for Timestamp is used.</td></tr></table><h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>executesql.row.count</td><td>Contains the number of rows returned by the query. If 'Max Rows Per Flow File' is set, then this number will reflect the number of rows in the Flow File instead of the entire result set.</td></tr><tr><td>executesql.query.duration</td><td>Combined duration of the query execution time and fetch time in milliseconds. If 'Max Rows Per Flow File' is set, then this number will reflect only the fetch time for the rows in the Flow File instead of the entire result set.</td></tr><tr><td>executesql.query.executiontime</td><td>Duration of the query execution time in milliseconds. This number will reflect the query execution time regardless of the 'Max Rows Per
Flow File' setting.</td></tr><tr><td>executesql.query.fetchtime</td><td>Duration of the result set fetch time in milliseconds. If 'Max Rows Per Flow File' is set, then this number will reflect only the fetch time for the rows in the Flow File instead of the entire result set.</td></tr><tr><td>executesql.resultset.index</td><td>Assuming multiple result sets are returned, the zero based index of this result set.</td></tr><tr><td>executesql.error.message</td><td>If processing an incoming flow file causes an Exception, the Flow File is routed to failure and this attribute is set to the exception message.</td></tr><tr><td>fragment.identifier</td><td>If 'Max Rows Per Flow File' is set then all FlowFiles from the same query result set will have the same value for the fragment.identifier attribute. This can then be used to correlate the results.</td></tr><tr><td>fragment.count</td><td>If 'Max Rows Per Flow File' is set then this is the total number of FlowFiles produced by a single Result
Set. This can be used in conjunction with the fragment.identifier attribute in order to know how many FlowFiles belonged to the same incoming ResultSet. If Output Batch Size is set, then this attribute will not be populated.</td></tr><tr><td>fragment.index</td><td>If 'Max Rows Per Flow File' is set then the position of this FlowFile in the list of outgoing FlowFiles that were all derived from the same result set FlowFile. This can be used in conjunction with the fragment.identifier attribute to know which FlowFiles originated from the same query result set and in what order FlowFiles were produced</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component allows an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ExecuteSQLRecord</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;">ExecuteSQLRecord</h1><h2>Description: </h2><p>Executes provided SQL select query. Query result will be converted to the format specified by a Record Writer. Streaming is used so arbitrarily large result sets are supported. This processor can be scheduled to run on a timer, or cron expression, using the standard scheduling methods, or it can be triggered by an incoming FlowFile. If it is triggered by an incoming FlowFile, then attributes of that FlowFile will be available when evaluating the select query, and the query may use the ? to escape parameters. In this case, the parameters to use must
exist as FlowFile attributes with the naming convention sql.args.N.type and sql.args.N.value, where N is a positive integer. The sql.args.N.type is expected to be a number indicating the JDBC Type. The content of the FlowFile is expected to be in UTF-8 format. FlowFile attribute 'executesql.row.count' indicates how many rows were selected.</p><h3>Tags: </h3><p>sql, select, jdbc, query, database, record</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Database Connection Pooling Service</strong></td><td id="default-value"></td><td id="allowable-values"><st
rong>Controller Service API: </strong><br/>DBCPService<br/><strong>Implementations: </strong><a href="../../../nifi-dbcp-service-nar/1.9.0/org.apache.nifi.dbcp.DBCPConnectionPoolLookup/index.html">DBCPConnectionPoolLookup</a><br/><a href="../../../nifi-hive-nar/1.9.0/org.apache.nifi.dbcp.hive.HiveConnectionPool/index.html">HiveConnectionPool</a><br/><a href="../../../nifi-dbcp-service-nar/1.9.0/org.apache.nifi.dbcp.DBCPConnectionPool/index.html">DBCPConnectionPool</a></td><td id="description">The Controller Service that is used to obtain connection to database</td></tr><tr><td id="name">SQL Pre-Query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A semicolon-delimited list of queries executed before the main SQL query is executed. For example, set session properties before main query. Results/outputs from these queries will be suppressed if there are no errors.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attr
ibutes and variable registry)</strong></td></tr><tr><td id="name">SQL select query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The SQL select query to execute. The query can be empty, a constant value, or built from attributes using Expression Language. If this property is specified, it will be used regardless of the content of incoming flowfiles. If this property is empty, the content of the incoming flow file is expected to contain a valid SQL select query, to be issued by the processor to the database. Note that Expression Language is not evaluated for flow file contents.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">SQL Post-Query</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">A semicolon-delimited list of queries executed after the main SQL query is executed. Example like setting session properties
after main query. Results/outputs from these queries will be suppressed if there are no errors.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Max Wait Time</strong></td><td id="default-value">0 seconds</td><td id="allowable-values"></td><td id="description">The maximum amount of time allowed for a running SQL select query , zero means there is no limit. Max time less than 1 second will be equal to zero.</td></tr><tr><td id="name"><strong>Record Writer</strong></td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>RecordSetWriterFactory<br/><strong>Implementations: </strong><a href="../../../nifi-record-serialization-services-nar/1.9.0/org.apache.nifi.xml.XMLRecordSetWriter/index.html">XMLRecordSetWriter</a><br/><a href="../../../nifi-record-serialization-services-nar/1.9.0/org.apache.nifi.json.JsonRecordSetWriter/index.
html">JsonRecordSetWriter</a><br/><a href="../../../nifi-record-serialization-services-nar/1.9.0/org.apache.nifi.csv.CSVRecordSetWriter/index.html">CSVRecordSetWriter</a><br/><a href="../../../nifi-scripting-nar/1.9.0/org.apache.nifi.record.script.ScriptedRecordSetWriter/index.html">ScriptedRecordSetWriter</a><br/><a href="../../../nifi-record-serialization-services-nar/1.9.0/org.apache.nifi.avro.AvroRecordSetWriter/index.html">AvroRecordSetWriter</a><br/><a href="../../../nifi-record-serialization-services-nar/1.9.0/org.apache.nifi.text.FreeFormTextRecordSetWriter/index.html">FreeFormTextRecordSetWriter</a></td><td id="description">Specifies the Controller Service to use for writing results to a FlowFile. The Record Writer may use Inherit Schema to emulate the inferred schema behavior, i.e. an explicit schema need not be defined in the writer, and will be supplied by the same logic used to infer the schema from the column types.</td></tr><tr><td id="name"><strong>Normalize Table/Co
lumn Names</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether to change characters in column names. For example, colons and periods will be changed to underscores.</td></tr><tr><td id="name"><strong>Use Avro Logical Types</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Whether to use Avro Logical Types for DECIMAL/NUMBER, DATE, TIME and TIMESTAMP columns. If disabled, written as string. If enabled, Logical types are used and written as its underlying type, specifically, DECIMAL/NUMBER as logical 'decimal': written as bytes with additional precision and scale meta data, DATE as logical 'date-millis': written as int denoting days since Unix epoch (1970-01-01), TIME as logical 'time-millis': written as int denoting milliseconds since Unix epoch, and TIMESTAMP as logical 'timestamp-millis': written as long denoti
ng milliseconds since Unix epoch. If a reader of written Avro records also knows these logical types, then these values can be deserialized with more context depending on reader implementation.</td></tr><tr><td id="name"><strong>Max Rows Per Flow File</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">The maximum number of result rows that will be included in a single FlowFile. This will allow you to break up very large result sets into multiple FlowFiles. If the value specified is zero, then all rows are returned in a single FlowFile.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Output Batch Size</strong></td><td id="default-value">0</td><td id="allowable-values"></td><td id="description">The number of output FlowFiles to queue before committing the process session. When set to zero, the session will be committed when all result set rows have bee
n processed and the output FlowFiles are ready for transfer to the downstream relationship. For large result sets, this can cause a large burst of FlowFiles to be transferred at the end of processor execution. If this property is set, then when the specified number of FlowFiles are ready for transfer, then the session will be committed, thus releasing the FlowFiles to the downstream relationship. NOTE: The fragment.count attribute will not be set on FlowFiles when this property is set.<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>Successfully created FlowFile from SQL query result set.</td></tr><tr><td>failure</td><td>SQL query execution failed. Incoming FlowFile will be penalized and routed to this relationship</td></tr></table><h3>Reads Attributes: </h3><table id="reads-attributes"><tr><th>N
ame</th><th>Description</th></tr><tr><td>sql.args.N.type</td><td>Incoming FlowFiles are expected to be parametrized SQL statements. The type of each Parameter is specified as an integer that represents the JDBC Type of the parameter.</td></tr><tr><td>sql.args.N.value</td><td>Incoming FlowFiles are expected to be parametrized SQL statements. The value of the Parameters are specified as sql.args.1.value, sql.args.2.value, sql.args.3.value, and so on. The type of the sql.args.1.value Parameter is specified by the sql.args.1.type attribute.</td></tr><tr><td>sql.args.N.format</td><td>This attribute is always optional, but default options may not always work for your data. Incoming FlowFiles are expected to be parametrized SQL statements. In some cases a format option needs to be specified, currently this is only applicable for binary data types, dates, times and timestamps. Binary Data Types (defaults to 'ascii') - ascii: each string character in your attribute value represents a single
byte. This is the format provided by Avro Processors. base64: the string is a Base64 encoded string that can be decoded to bytes. hex: the string is hex encoded with all letters in upper case and no '0x' at the beginning. Dates/Times/Timestamps - Date, Time and Timestamp formats all support both custom formats or named format ('yyyy-MM-dd','ISO_OFFSET_DATE_TIME') as specified according to java.time.format.DateTimeFormatter. If not specified, a long value input is expected to be an unix epoch (milli seconds from 1970/1/1), or a string value in 'yyyy-MM-dd' format for Date, 'HH:mm:ss.SSS' for Time (some database engines e.g. Derby or MySQL do not support milliseconds and will truncate milliseconds), 'yyyy-MM-dd HH:mm:ss.SSS' for Timestamp is used.</td></tr></table><h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>executesql.row.count</td><td>Contains the number of rows returned in the select query</td></tr><tr><td>executesql.qu
ery.duration</td><td>Combined duration of the query execution time and fetch time in milliseconds</td></tr><tr><td>executesql.query.executiontime</td><td>Duration of the query execution time in milliseconds</td></tr><tr><td>executesql.query.fetchtime</td><td>Duration of the result set fetch time in milliseconds</td></tr><tr><td>executesql.resultset.index</td><td>Assuming multiple result sets are returned, the zero based index of this result set.</td></tr><tr><td>executesql.error.message</td><td>If processing an incoming flow file causes an Exception, the Flow File is routed to failure and this attribute is set to the exception message.</td></tr><tr><td>fragment.identifier</td><td>If 'Max Rows Per Flow File' is set then all FlowFiles from the same query result set will have the same value for the fragment.identifier attribute. This can then be used to correlate the results.</td></tr><tr><td>fragment.count</td><td>If 'Max Rows Per Flow File' is set then this is the total number of Fl
owFiles produced by a single ResultSet. This can be used in conjunction with the fragment.identifier attribute in order to know how many FlowFiles belonged to the same incoming ResultSet. If Output Batch Size is set, then this attribute will not be populated.</td></tr><tr><td>fragment.index</td><td>If 'Max Rows Per Flow File' is set then the position of this FlowFile in the list of outgoing FlowFiles that were all derived from the same result set FlowFile. This can be used in conjunction with the fragment.identifier attribute to know which FlowFiles originated from the same query result set and in what order FlowFiles were produced</td></tr><tr><td>mime.type</td><td>Sets the mime.type attribute to the MIME Type specified by the Record Writer.</td></tr><tr><td>record.count</td><td>The number of records output by the Record Writer.</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requiremen
t: </h3>This component allows an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ExecuteStreamCommand</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;">ExecuteStreamCommand</h1><h2>Description: </h2><p>Executes an external command on the contents of a flow file, and creates a new flow file with the results of the command.</p><h3>Tags: </h3><p>command execution, command, stream, execute</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="pr
operties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name">Command Arguments</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The arguments to supply to the executable delimited by the ';' character.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Command Path</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Specifies the command to be executed; if just the name of an executable is provided, it must be in the user's environment PATH.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Ignore STDIN</td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">If true, the content
s of the incoming flowfile will not be passed to the executing command</td></tr><tr><td id="name">Working Directory</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The directory to use as the current working directory when executing the command<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Argument Delimiter</strong></td><td id="default-value">;</td><td id="allowable-values"></td><td id="description">Delimiter to use to separate arguments for a command [default: ;]. Must be a single character</td></tr><tr><td id="name">Output Destination Attribute</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">If set, the output of the stream command will be put into an attribute of the original FlowFile instead of a separate FlowFile. There will no longer be a relationship for 'output stream' or 'nonzero status'. T
he value of this property will be the key for the output attribute.</td></tr><tr><td id="name">Max Attribute Length</td><td id="default-value">256</td><td id="allowable-values"></td><td id="description">If routing the output of the stream command to an attribute, the number of characters put to the attribute value will be at most this amount. This is important because attributes are held in memory and large attributes will quickly cause out of memory issues. If the output goes longer than this value, it will truncated to fit. Consider making this smaller if able.</td></tr></table><h3>Dynamic Properties: </h3><p>Dynamic Properties allow the user to specify both the name and value of a property.<table id="dynamic-properties"><tr><th>Name</th><th>Value</th><th>Description</th></tr><tr><td id="name">An environment variable name</td><td id="value">An environment variable value</td><td>These environment variables are passed to the process spawned by this Processor<br/><strong>Supports Exp
ression Language: false</strong></td></tr></table></p><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>output stream</td><td>The destination path for the flow file created from the command's output, if the returned status code is zero.</td></tr><tr><td>nonzero status</td><td>The destination path for the flow file created from the command's output, if the returned status code is non-zero. All flow files routed to this relationship will be penalized.</td></tr><tr><td>original</td><td>FlowFiles that were successfully processed.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>execution.command</td><td>The name of the command executed</td></tr><tr><td>execution.command.args</td><td>The semi-colon delimited list of arguments</td></tr><tr><td>execution.status</td><td>The exit status code returned from executing the command
</td></tr><tr><td>execution.error</td><td>Any error messages returned from executing the command</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3><table id="restrictions"><tr><th>Required Permission</th><th>Explanation</th></tr><tr><td>execute code</td><td>Provides operator the ability to execute arbitrary code assuming all permissions that NiFi has.</td></tr></table><h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.ExtractGrok/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ExtractGrok</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;">ExtractGrok</h1><h2>Description: </h2><p>Evaluates one or more Grok Expressions against the content of a FlowFile, adding the results as attributes or replacing the content of the FlowFile with a JSON notation of the matched content</p><h3>Tags: </h3><p>grok, log, text, parse, delimit, extract</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.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>
Description</th></tr><tr><td id="name"><strong>Grok Expression</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Grok expression. If other Grok expressions are referenced in this expression, they must be provided in the Grok Pattern File if set or exist in the default Grok patterns</td></tr><tr><td id="name">Grok Pattern file</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Grok Pattern file definition. This file will be loaded after the default Grok patterns file. If not set, then only the Grok Expression and the default Grok patterns will be used.</td></tr><tr><td id="name"><strong>Destination</strong></td><td id="default-value">flowfile-attribute</td><td id="allowable-values"><ul><li>flowfile-attribute</li><li>flowfile-content</li></ul></td><td id="description">Control if Grok output value is written as a new flowfile attributes, in this case each of the Grok identifier that is matched in the flowfile
will be added as an attribute, prefixed with "grok." or written in the flowfile content. Writing to flowfile content will overwrite any existing flowfile content.</td></tr><tr><td id="name"><strong>Character Set</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">The Character Set in which the file is encoded</td></tr><tr><td id="name"><strong>Maximum Buffer Size</strong></td><td id="default-value">1 MB</td><td id="allowable-values"></td><td id="description">Specifies the maximum amount of data to buffer (per file) in order to apply the Grok expressions. Files larger than the specified maximum will not be fully evaluated.</td></tr><tr><td id="name"><strong>Named captures only</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Only store named captures from grok</td></tr><tr><td id="name"><strong>Keep Empty Captures</strong></td><td id="default-value">true
</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">If true, then empty capture values will be included in the returned capture map.</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>unmatched</td><td>FlowFiles are routed to this relationship when no provided Grok Expression matches the content of the FlowFile</td></tr><tr><td>matched</td><td>FlowFiles are routed to this relationship when the Grok Expression is successfully evaluated and the FlowFile is modified as a result</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>grok.XXX</td><td>When operating in flowfile-attribute mode, each of the Grok identifier that is matched in the flowfile will be added as an attribute, prefixed with "grok." For example,if the grok identifier "timestamp" is matched, then the va
lue will be added to an attribute named "grok.timestamp"</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>
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>ExtractText</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;">ExtractText</h1><h2>Description: </h2><p>Evaluates one or more Regular Expressions against the content of a FlowFile. The results of those Regular Expressions are assigned to FlowFile Attributes. Regular Expressions are entered by adding user-defined properties; the name of the property maps to the Attribute Name into which the result will be placed. The first capture group, if any found, will be placed into that attribute name.But all capture groups, including the matching string sequence itself will also be provided at that attribute name with an index value provided, with the exception of a ca
pturing group that is optional and does not match - for example, given the attribute name "regex" and expression "abc(def)?(g)" we would add an attribute "regex.1" with a value of "def" if the "def" matched. If the "def" did not match, no attribute named "regex.1" would be added but an attribute named "regex.2" with a value of "g" will be added regardless.The value of the property must be a valid Regular Expressions with one or more capturing groups. If the Regular Expression matches more than once, only the first match will be used unless the property enabling repeating capture group is set to true. If any provided Regular Expression matches, the FlowFile(s) will be routed to 'matched'. If no provided Regular Expression matches, the FlowFile will be routed to 'unmatched' and no attributes will be applied to the FlowFile.</p><h3>Tags: </h3><p>evaluate, extract, Text, Regular Expression, regex</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <s
trong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Character Set</strong></td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">The Character Set in which the file is encoded</td></tr><tr><td id="name"><strong>Maximum Buffer Size</strong></td><td id="default-value">1 MB</td><td id="allowable-values"></td><td id="description">Specifies the maximum amount of data to buffer (per file) in order to apply the regular expressions. Files larger than the specified maximum will not be fully evaluated.</td></tr><tr><td id="name">Maximum Capture Group Length</td><td id="default-value">1024</td><td id="allowable-values"></td><td id="description">Specifies the maximum number of characters a given capture group value can have. Any characters beyond
the max will be truncated.</td></tr><tr><td id="name"><strong>Enable Canonical Equivalence</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates that two characters match only when their full canonical decompositions match.</td></tr><tr><td id="name"><strong>Enable Case-insensitive Matching</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates that two characters match even if they are in a different case. Can also be specified via the embedded flag (?i).</td></tr><tr><td id="name"><strong>Permit Whitespace and Comments in Pattern</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">In this mode, whitespace is ignored, and embedded comments starting with # are ignored until the end of a line. Can also be specified via the em
bedded flag (?x).</td></tr><tr><td id="name"><strong>Enable DOTALL Mode</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates that the expression '.' should match any character, including a line terminator. Can also be specified via the embedded flag (?s).</td></tr><tr><td id="name"><strong>Enable Literal Parsing of the Pattern</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates that Metacharacters and escape characters should be given no special meaning.</td></tr><tr><td id="name"><strong>Enable Multiline Mode</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates that '^' and '$' should match just after and just before a line terminator or end of sequence, instead of only the beginning or end of the entire input.
Can also be specified via the embeded flag (?m).</td></tr><tr><td id="name"><strong>Enable Unicode-aware Case Folding</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">When used with 'Enable Case-insensitive Matching', matches in a manner consistent with the Unicode Standard. Can also be specified via the embedded flag (?u).</td></tr><tr><td id="name"><strong>Enable Unicode Predefined Character Classes</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Specifies conformance with the Unicode Technical Standard #18: Unicode Regular Expression Annex C: Compatibility Properties. Can also be specified via the embedded flag (?U).</td></tr><tr><td id="name"><strong>Enable Unix Lines Mode</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Ind
icates that only the '
+' line terminator is recognized in the behavior of '.', '^', and '$'. Can also be specified via the embedded flag (?d).</td></tr><tr><td id="name"><strong>Include Capture Group 0</strong></td><td id="default-value">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates that Capture Group 0 should be included as an attribute. Capture Group 0 represents the entirety of the regular expression match, is typically not used, and could have considerable length.</td></tr><tr><td id="name"><strong>Enable repeating capture group</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">If set to true, every string matching the capture groups will be extracted. Otherwise, if the Regular Expression matches more than once, only the first match will be extracted.</td></tr></table><h3>Dynamic Properties: </h3><p>Dynamic Properties allow the user to specify both the name
and value of a property.<table id="dynamic-properties"><tr><th>Name</th><th>Value</th><th>Description</th></tr><tr><td id="name">A FlowFile attribute</td><td id="value">A Regular Expression with one or more capturing group</td><td>The first capture group, if any found, will be placed into that attribute name.But all capture groups, including the matching string sequence itself will also be provided at that attribute name with an index value provided.<br/><strong>Supports Expression Language: false</strong></td></tr></table></p><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>unmatched</td><td>FlowFiles are routed to this relationship when no provided Regular Expression matches the content of the FlowFile</td></tr><tr><td>matched</td><td>FlowFiles are routed to this relationship when the Regular Expression is successfully evaluated and the FlowFile is modified as a result</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3
>Writes Attributes: </h3>None specified.<h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.</body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.FetchDistributedMapCache/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>FetchDistributedMapCache</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;">FetchDistributedMapCache</h1><h2>Description: </h2><p>Computes cache key(s) from FlowFile attributes, for each incoming FlowFile, and fetches the value(s) from the Distributed Map Cache associated with each key. If configured without a destination attribute, the incoming FlowFile's content is replaced with the binary data received by the Distributed Map Cache. If there is no value stored under that key then the flow file will be routed to 'not-found'. Note that the processor will always attempt to read the entire cached value into memory before placing it in it's destination. This could
be potentially problematic if the cached value is very large.</p><h3>Tags: </h3><p>map, cache, fetch, distributed</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Cache Entry Identifier</strong></td><td id="default-value">${hash.value}</td><td id="allowable-values"></td><td id="description">A comma-delimited list of FlowFile attributes, or the results of Attribute Expression Language statements, which will be evaluated against a FlowFile in order to determine the value(s) used to identify duplicates; it is these values that are cached. NOTE: Only a singl
e Cache Entry Identifier is allowed unless Put Cache Value In Attribute is specified. Multiple cache lookups are only supported when the destination is a set of attributes (see the documentation for 'Put Cache Value In Attribute' for more details including naming convention.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Distributed Cache Service</strong></td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>DistributedMapCacheClient<br/><strong>Implementations: </strong><a href="../../../nifi-distributed-cache-services-nar/1.9.0/org.apache.nifi.distributed.cache.client.DistributedMapCacheClientService/index.html">DistributedMapCacheClientService</a><br/><a href="../../../nifi-redis-nar/1.9.0/org.apache.nifi.redis.service.RedisDistributedMapCacheClientService/index.html">RedisDistributedMapCacheClientService</a><br/><a hre
f="../../../nifi-couchbase-nar/1.9.0/org.apache.nifi.couchbase.CouchbaseMapCacheClient/index.html">CouchbaseMapCacheClient</a><br/><a href="../../../nifi-hbase_2-client-service-nar/1.9.0/org.apache.nifi.hbase.HBase_2_ClientMapCacheService/index.html">HBase_2_ClientMapCacheService</a><br/><a href="../../../nifi-hbase_1_1_2-client-service-nar/1.9.0/org.apache.nifi.hbase.HBase_1_1_2_ClientMapCacheService/index.html">HBase_1_1_2_ClientMapCacheService</a></td><td id="description">The Controller Service that is used to get the cached values.</td></tr><tr><td id="name">Put Cache Value In Attribute</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">If set, the cache value received will be put into an attribute of the FlowFile instead of a the content of theFlowFile. The attribute key to put to is determined by evaluating value of this property. If multiple Cache Entry Identifiers are selected, multiple attributes will be written, using the evaluated value of
this property, appended by a period (.) and the name of the cache entry identifier.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Max Length To Put In Attribute</td><td id="default-value">256</td><td id="allowable-values"></td><td id="description">If routing the cache value to an attribute of the FlowFile (by setting the "Put Cache Value in attribute" property), the number of characters put to the attribute value will be at most this amount. This is important because attributes are held in memory and large attributes will quickly cause out of memory issues. If the output goes longer than this value, it will be truncated to fit. Consider making this smaller if able.</td></tr><tr><td id="name">Character Set</td><td id="default-value">UTF-8</td><td id="allowable-values"></td><td id="description">The Character Set in which the cached value is encoded. This will only be used when ro
uting to an attribute.</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>If the cache was successfully communicated with it will be routed to this relationship</td></tr><tr><td>failure</td><td>If unable to communicate with the cache or if the cache entry is evaluated to be blank, the FlowFile will be penalized and routed to this relationship</td></tr><tr><td>not-found</td><td>If a FlowFile's Cache Entry Identifier was not found in the cache, it will be routed to this relationship</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>user-defined</td><td>If the 'Put Cache Value In Attribute' property is set then whatever it is set to will become the attribute key and the value would be whatever the response was from the Distributed Map Cache. If multiple cache entry identifiers are selected,
multiple attributes will be written, using the evaluated value of this property, appended by a period (.) and the name of the cache entry identifier. For example, if the Cache Entry Identifier property is set to 'id,name', and the user-defined property is named 'fetched', then two attributes will be written, fetched.id and fetched.name, containing their respective values.</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../../../nifi-distributed-cache-services-nar/1.9.0/org.apache.nifi.distributed.cache.client.DistributedMapCacheClientService/index.html">DistributedMapCacheClientService</a>, <a href="../../../nifi-distributed-cache-services-nar/1.9.0/org.apache.nifi.distributed.cache.server.map.DistributedMapCacheServer/index.html">Distrib
utedMapCacheServer</a>, <a href="../org.apache.nifi.processors.standard.PutDistributedMapCache/index.html">PutDistributedMapCache</a></p></body></html>
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+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.FetchFTP/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>FetchFTP</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;">FetchFTP</h1><h2>Description: </h2><p>Fetches the content of a file from a remote SFTP server and overwrites the contents of an incoming FlowFile with the content of the remote file.</p><h3>Tags: </h3><p>ftp, get, retrieve, files, fetch, remote, ingest, source, input</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, whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>, a
nd whether a property is considered "sensitive", meaning that its value will be encrypted. Before entering a value in a sensitive property, ensure that the <strong>nifi.properties</strong> file has an entry for the property <strong>nifi.sensitive.props.key</strong>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Hostname</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The fully-qualified hostname or IP address of the host to fetch the data from<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Port</strong></td><td id="default-value">21</td><td id="allowable-values"></td><td id="description">The port to connect to on the remote host to fetch the data from<br/><strong>Supports Expression Language: true (will be evaluated using flow file at
tributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Username</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Username<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Password</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Password for the user account<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Remote File</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The fully qualified filename on the remote system<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Completion Str
ategy</strong></td><td id="default-value">None</td><td id="allowable-values"><ul><li>None <img src="../../../../../html/images/iconInfo.png" alt="Leave the file as-is" title="Leave the file as-is"></img></li><li>Move File <img src="../../../../../html/images/iconInfo.png" alt="Move the file to the directory specified by the <Move Destination Directory> property" title="Move the file to the directory specified by the <Move Destination Directory> property"></img></li><li>Delete File <img src="../../../../../html/images/iconInfo.png" alt="Deletes the original file from the remote system" title="Deletes the original file from the remote system"></img></li></ul></td><td id="description">Specifies what to do with the original file on the server once it has been pulled into NiFi. If the Completion Strategy fails, a warning will be logged but the data will still be transferred.</td></tr><tr><td id="name">Move Destination Directory</td><td id="default-value"></td><td id="allowabl
e-values"></td><td id="description">The directory on the remote server to move the original file to once it has been ingested into NiFi. This property is ignored unless the Completion Strategy is set to 'Move File'. The specified directory must already exist on the remote system if 'Create Directory' is disabled, or the rename will fail.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Create Directory</td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Used when 'Completion Strategy' is 'Move File'. Specifies whether or not the remote directory should be created if it does not exist.</td></tr><tr><td id="name"><strong>Connection Timeout</strong></td><td id="default-value">30 sec</td><td id="allowable-values"></td><td id="description">Amount of time to wait before timing out while creating a connection</td></t
r><tr><td id="name"><strong>Data Timeout</strong></td><td id="default-value">30 sec</td><td id="allowable-values"></td><td id="description">When transferring a file between the local and remote system, this value specifies how long is allowed to elapse without any data being transferred between systems</td></tr><tr><td id="name"><strong>Use Compression</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates whether or not ZLIB compression should be used when transferring files</td></tr><tr><td id="name">Connection Mode</td><td id="default-value">Passive</td><td id="allowable-values"><ul><li>Active</li><li>Passive</li></ul></td><td id="description">The FTP Connection Mode</td></tr><tr><td id="name">Transfer Mode</td><td id="default-value">Binary</td><td id="allowable-values"><ul><li>Binary</li><li>ASCII</li></ul></td><td id="description">The FTP Transfer Mode</td></tr><tr><td id="name">Proxy Confi
guration Service</td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>ProxyConfigurationService<br/><strong>Implementation: </strong><a href="../../../nifi-proxy-configuration-nar/1.9.0/org.apache.nifi.proxy.StandardProxyConfigurationService/index.html">StandardProxyConfigurationService</a></td><td id="description">Specifies the Proxy Configuration Controller Service to proxy network requests. If set, it supersedes proxy settings configured per component. Supported proxies: HTTP + AuthN, SOCKS</td></tr><tr><td id="name">Proxy Type</td><td id="default-value">DIRECT</td><td id="allowable-values"><ul><li>DIRECT</li><li>HTTP</li><li>SOCKS</li></ul></td><td id="description">Proxy type used for file transfers</td></tr><tr><td id="name">Proxy Host</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The fully qualified hostname or IP address of the proxy server<br/><strong>Supports Expression Language: true (
will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Proxy Port</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The port of the proxy server<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Http Proxy Username</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Http Proxy Username<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Http Proxy Password</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Http Proxy Password<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Internal Buffer Size</td><td id="default-value">16KB</td><td id="allowable-values"></td><td id="des
cription">Set the internal buffer size for buffered data streams</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>All FlowFiles that are received are routed to success</td></tr><tr><td>comms.failure</td><td>Any FlowFile that could not be fetched from the remote server due to a communications failure will be transferred to this Relationship.</td></tr><tr><td>not.found</td><td>Any FlowFile for which we receive a 'Not Found' message from the remote server will be transferred to this Relationship.</td></tr><tr><td>permission.denied</td><td>Any FlowFile that could not be fetched from the remote server due to insufficient permissions will be transferred to this Relationship.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>ftp.remote.host</td><td>The hostname or IP address from which the fi
le was pulled</td></tr><tr><td>ftp.remote.port</td><td>The port that was used to communicate with the remote FTP server</td></tr><tr><td>ftp.remote.filename</td><td>The name of the remote file that was pulled</td></tr><tr><td>filename</td><td>The filename is updated to point to the filename fo the remote file</td></tr><tr><td>path</td><td>If the Remote File contains a directory name, that directory name will be added to the FlowFile using the 'path' attribute</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.standard.GetSFTP/index.html">GetSFTP</a>, <a href="../org.apache.nifi.processors.standard.PutSFTP/index.html">PutSFTP</a>, <a href="../org.apache.nifi.processors.standard.GetFTP/index.html">GetFTP</a>, <a hr
ef="../org.apache.nifi.processors.standard.PutFTP/index.html">PutFTP</a></p></body></html>
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--- nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.FetchFile/index.html (added)
+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.FetchFile/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>FetchFile</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;">FetchFile</h1><h2>Description: </h2><p>Reads the contents of a file from disk and streams it into the contents of an incoming FlowFile. Once this is done, the file is optionally moved elsewhere or deleted to help keep the file system organized.</p><h3>Tags: </h3><p>local, files, filesystem, ingest, ingress, get, source, input, fetch</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>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>File to Fetch</strong></td><td id="default-value">${absolute.path}/${filename}</td><td id="allowable-values"></td><td id="description">The fully-qualified filename of the file to fetch from the file system<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Completion Strategy</strong></td><td id="default-value">None</td><td id="allowable-values"><ul><li>None <img src="../../../../../html/images/iconInfo.png" alt="Leave the file as-is" title="Leave the file as-is"></img></li><li>Move File <img src="../../../../../html/images/iconInfo.png" alt="Moves the file to the directory specified by the <Move Destination Directory> property" title="Moves the file to the dire
ctory specified by the <Move Destination Directory> property"></img></li><li>Delete File <img src="../../../../../html/images/iconInfo.png" alt="Deletes the original file from the file system" title="Deletes the original file from the file system"></img></li></ul></td><td id="description">Specifies what to do with the original file on the file system once it has been pulled into NiFi</td></tr><tr><td id="name">Move Destination Directory</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The directory to the move the original file to once it has been fetched from the file system. This property is ignored unless the Completion Strategy is set to "Move File". If the directory does not exist, it will be created.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Move Conflict Strategy</strong></td><td id="default-value">Rename</td><td id="al
lowable-values"><ul><li>Rename <img src="../../../../../html/images/iconInfo.png" alt="The existing destination file should remain intact. The newly ingested file should be moved to the destination directory but be renamed to a random filename" title="The existing destination file should remain intact. The newly ingested file should be moved to the destination directory but be renamed to a random filename"></img></li><li>Replace File <img src="../../../../../html/images/iconInfo.png" alt="The newly ingested file should replace the existing file in the Destination Directory" title="The newly ingested file should replace the existing file in the Destination Directory"></img></li><li>Keep Existing <img src="../../../../../html/images/iconInfo.png" alt="The existing file should in the Destination Directory should stay intact and the newly ingested file should be deleted" title="The existing file should in the Destination Directory should stay intact and the newly ingested file should be
deleted"></img></li><li>Fail <img src="../../../../../html/images/iconInfo.png" alt="The existing destination file should remain intact and the incoming FlowFile should be routed to failure" title="The existing destination file should remain intact and the incoming FlowFile should be routed to failure"></img></li></ul></td><td id="description">If Completion Strategy is set to Move File and a file already exists in the destination directory with the same name, this property specifies how that naming conflict should be resolved</td></tr><tr><td id="name"><strong>Log level when file not found</strong></td><td id="default-value">ERROR</td><td id="allowable-values"><ul><li>TRACE</li><li>DEBUG</li><li>INFO</li><li>WARN</li><li>ERROR</li><li>FATAL</li><li>NONE</li></ul></td><td id="description">Log level to use in case the file does not exist when the processor is triggered</td></tr><tr><td id="name"><strong>Log level when permission denied</strong></td><td id="default-value">ERROR</td><t
d id="allowable-values"><ul><li>TRACE</li><li>DEBUG</li><li>INFO</li><li>WARN</li><li>ERROR</li><li>FATAL</li><li>NONE</li></ul></td><td id="description">Log level to use in case user alopresto does not have sufficient permissions to read the file</td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>Any FlowFile that is successfully fetched from the file system will be transferred to this Relationship.</td></tr><tr><td>not.found</td><td>Any FlowFile that could not be fetched from the file system because the file could not be found will be transferred to this Relationship.</td></tr><tr><td>permission.denied</td><td>Any FlowFile that could not be fetched from the file system due to the user running NiFi not having sufficient permissions will be transferred to this Relationship.</td></tr><tr><td>failure</td><td>Any FlowFile that could not be fetched from the file system for any reason other than insufficien
t permissions or the file not existing will be transferred to this Relationship.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3>None specified.<h3>State management: </h3>This component does not store state.<h3>Restricted: </h3><table id="restrictions"><tr><th>Required Permission</th><th>Explanation</th></tr><tr><td>read filesystem</td><td>Provides operator the ability to read from any file that NiFi has access to.</td></tr><tr><td>write filesystem</td><td>Provides operator the ability to delete any file that NiFi has access to.</td></tr></table><h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.standard.GetFile/index.html">GetFile</a>, <a href="../org.apache.nifi.processors.standard.PutFile/index.html">PutFile</a>, <a href="../org.apache.nifi.processors.standard.ListFile/index.html">ListFile</a></p></body
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URL: http://svn.apache.org/viewvc/nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.FetchSFTP/index.html?rev=1854109&view=auto
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--- nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.FetchSFTP/index.html (added)
+++ nifi/site/trunk/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.9.0/org.apache.nifi.processors.standard.FetchSFTP/index.html Fri Feb 22 01:03:44 2019
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+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>FetchSFTP</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;">FetchSFTP</h1><h2>Description: </h2><p>Fetches the content of a file from a remote SFTP server and overwrites the contents of an incoming FlowFile with the content of the remote file.</p><h3>Tags: </h3><p>sftp, get, retrieve, files, fetch, remote, ingest, source, input</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, whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>
, and whether a property is considered "sensitive", meaning that its value will be encrypted. Before entering a value in a sensitive property, ensure that the <strong>nifi.properties</strong> file has an entry for the property <strong>nifi.sensitive.props.key</strong>.</p><table id="properties"><tr><th>Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Hostname</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The fully-qualified hostname or IP address of the host to fetch the data from<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Port</strong></td><td id="default-value">22</td><td id="allowable-values"></td><td id="description">The port to connect to on the remote host to fetch the data from<br/><strong>Supports Expression Language: true (will be evaluated using flow file
attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Username</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Username<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Password</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Password for the user account<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Private Key Path</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The fully qualified path to the Private Key file<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Private Key Passphrase</td><td i
d="default-value"></td><td id="allowable-values"></td><td id="description">Password for the private key<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Remote File</strong></td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The fully qualified filename on the remote system<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Completion Strategy</strong></td><td id="default-value">None</td><td id="allowable-values"><ul><li>None <img src="../../../../../html/images/iconInfo.png" alt="Leave the file as-is" title="Leave the file as-is"></img></li><li>Move File <img src="../../../../../html/images/iconInfo.png" alt="Move the file to the directory specified by the <Move Destination Directory&g
t; property" title="Move the file to the directory specified by the <Move Destination Directory> property"></img></li><li>Delete File <img src="../../../../../html/images/iconInfo.png" alt="Deletes the original file from the remote system" title="Deletes the original file from the remote system"></img></li></ul></td><td id="description">Specifies what to do with the original file on the server once it has been pulled into NiFi. If the Completion Strategy fails, a warning will be logged but the data will still be transferred.</td></tr><tr><td id="name">Move Destination Directory</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The directory on the remote server to move the original file to once it has been ingested into NiFi. This property is ignored unless the Completion Strategy is set to 'Move File'. The specified directory must already exist on the remote system if 'Create Directory' is disabled, or the rename will fail.<br/><strong>Suppor
ts Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Create Directory</td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Used when 'Completion Strategy' is 'Move File'. Specifies whether or not the remote directory should be created if it does not exist.</td></tr><tr><td id="name">Disable Directory Listing</td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Control how 'Move Destination Directory' is created when 'Completion Strategy' is 'Move File' and 'Create Directory' is enabled. If set to 'true', directory listing is not performed prior to create missing directories. By default, this processor executes a directory listing command to see target directory existence before creating missing directories. However, there are situations that you might need to di
sable the directory listing such as the following. Directory listing might fail with some permission setups (e.g. chmod 100) on a directory. Also, if any other SFTP client created the directory after this processor performed a listing and before a directory creation request by this processor is finished, then an error is returned because the directory already exists.</td></tr><tr><td id="name"><strong>Connection Timeout</strong></td><td id="default-value">30 sec</td><td id="allowable-values"></td><td id="description">Amount of time to wait before timing out while creating a connection</td></tr><tr><td id="name"><strong>Data Timeout</strong></td><td id="default-value">30 sec</td><td id="allowable-values"></td><td id="description">When transferring a file between the local and remote system, this value specifies how long is allowed to elapse without any data being transferred between systems</td></tr><tr><td id="name"><strong>Send Keep Alive On Timeout</strong></td><td id="default-val
ue">true</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates whether or not to send a single Keep Alive message when SSH socket times out</td></tr><tr><td id="name">Host Key File</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">If supplied, the given file will be used as the Host Key; otherwise, no use host key file will be used</td></tr><tr><td id="name"><strong>Strict Host Key Checking</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates whether or not strict enforcement of hosts keys should be applied</td></tr><tr><td id="name"><strong>Use Compression</strong></td><td id="default-value">false</td><td id="allowable-values"><ul><li>true</li><li>false</li></ul></td><td id="description">Indicates whether or not ZLIB compression should be used when transferring files</td></tr><tr><td id="name">Proxy Configuratio
n Service</td><td id="default-value"></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>ProxyConfigurationService<br/><strong>Implementation: </strong><a href="../../../nifi-proxy-configuration-nar/1.9.0/org.apache.nifi.proxy.StandardProxyConfigurationService/index.html">StandardProxyConfigurationService</a></td><td id="description">Specifies the Proxy Configuration Controller Service to proxy network requests. If set, it supersedes proxy settings configured per component. Supported proxies: SOCKS + AuthN, HTTP + AuthN</td></tr><tr><td id="name">Proxy Type</td><td id="default-value">DIRECT</td><td id="allowable-values"><ul><li>DIRECT</li><li>HTTP</li><li>SOCKS</li></ul></td><td id="description">Proxy type used for file transfers</td></tr><tr><td id="name">Proxy Host</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The fully qualified hostname or IP address of the proxy server<br/><strong>Supports Expression Language: true
(will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Proxy Port</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">The port of the proxy server<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Http Proxy Username</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Http Proxy Username<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Http Proxy Password</td><td id="default-value"></td><td id="allowable-values"></td><td id="description">Http Proxy Password<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success<
/td><td>All FlowFiles that are received are routed to success</td></tr><tr><td>comms.failure</td><td>Any FlowFile that could not be fetched from the remote server due to a communications failure will be transferred to this Relationship.</td></tr><tr><td>not.found</td><td>Any FlowFile for which we receive a 'Not Found' message from the remote server will be transferred to this Relationship.</td></tr><tr><td>permission.denied</td><td>Any FlowFile that could not be fetched from the remote server due to insufficient permissions will be transferred to this Relationship.</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>sftp.remote.host</td><td>The hostname or IP address from which the file was pulled</td></tr><tr><td>sftp.remote.port</td><td>The port that was used to communicate with the remote SFTP server</td></tr><tr><td>sftp.remote.filename</td><td>The name of the remot
e file that was pulled</td></tr><tr><td>filename</td><td>The filename is updated to point to the filename fo the remote file</td></tr><tr><td>path</td><td>If the Remote File contains a directory name, that directory name will be added to the FlowFile using the 'path' attribute</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.standard.GetSFTP/index.html">GetSFTP</a>, <a href="../org.apache.nifi.processors.standard.PutSFTP/index.html">PutSFTP</a>, <a href="../org.apache.nifi.processors.standard.GetFTP/index.html">GetFTP</a>, <a href="../org.apache.nifi.processors.standard.PutFTP/index.html">PutFTP</a></p></body></html>
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