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nifi-dataminded-bundle's Introduction

A collection of customized processors for Apache Nifi

Installation

mvn clean install and copy the nifi-dataminded-processors-nar-1.0-SNAPSHOT.nar to the lib folder of your Nifi installation.

mvn -DpushChanges=false -DlocalCheckout=true -DpreparationGoals=initialize release:prepare release:perform to create a release

Processors

SimpleTriggeredProcessExecutor

Modified version of ExecuteProcess. This processor allows input and you can use expression language on the parameters. The attributes from the incoming FlowFile can be used as arguments of the external tool that you want to call

ExecuteOracleSQL

Modified version of ExecuteSQL. This processor handles Oracle's NUMBER type. It will make an educated guess if the content of a NUMBER field is either an Integer, Long, Float or Double instead of converting it to String

GenerateOracleTableFetch

Modified version of GenerateTableFetch. Will generate queries based on the given SPLIT_COLUMN rather than on ROW_NUM. This is the same approach that Apache Sqoop uses to generate it's queries. The number of partitions is also configurable.

Some attribute fields are added as well to provide more information of the table that you are reading. These are optional.

In end the processor will generate queries like this:

SELECT * FROM MYTABLE WHERE ID BETWEEN 5295378 AND 10590758

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