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Chapter 88. Drill Component

Available as of Camel version 2.19

The drill: component gives you the ability to querying to Apache Drill Cluster

Drill is an Apache open-source SQL query engine for Big Data exploration. Drill is designed from the ground up to support high-performance analysis on the semi-structured and rapidly evolving data coming from modern Big Data applications, while still providing the familiarity and ecosystem of ANSI SQL, the industry-standard query language

Maven users will need to add the following dependency to their pom.xml for this component: 

<dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-drill</artifactId>
    <version>x.x.x</version>
    <!-- use the same version as your Camel core version -->
</dependency>
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88.1. URI format
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drill://host[?options]
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You can append query options to the URI in the following format, ?option=value&option=value&…​

88.2. Drill Producer
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The producer execute query using CamelDrillQuery header and put results into body.

88.3. Options
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The Drill component has no options.

The Drill endpoint is configured using URI syntax: 

drill:host
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with the following path and query parameters:

88.3.1. Path Parameters (1 parameters):
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NameDescriptionDefaultType

host

Required ZooKeeper host name or IP address. Use local instead of a host name or IP address to connect to the local Drillbit

 

String

88.3.2. Query Parameters (5 parameters):
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NameDescriptionDefaultType

clusterId (producer)

Cluster ID https://drill.apache.org/docs/using-the-jdbc-driver/#determining-the-cluster-id

 

String

directory (producer)

Drill directory in ZooKeeper

 

String

mode (producer)

Connection mode: zk: Zookeeper drillbit: Drillbit direct connection https://drill.apache.org/docs/using-the-jdbc-driver/

ZK

DrillConnectionMode

port (producer)

ZooKeeper port number

 

Integer

synchronous (advanced)

Sets whether synchronous processing should be strictly used, or Camel is allowed to use asynchronous processing (if supported).

false

boolean

88.4. Spring Boot Auto-Configuration
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The component supports 2 options, which are listed below.

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NameDescriptionDefaultType

camel.component.drill.enabled

Enable drill component

true

Boolean

camel.component.drill.resolve-property-placeholders

Whether the component should resolve property placeholders on itself when starting. Only properties which are of String type can use property placeholders.

true

Boolean

88.5. See Also
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  • Configuring Camel
  • Component
  • Endpoint
  • Getting Started
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