tPaloDatabaseList Properties - 6.3

Talend Open Studio for Big Data Components Reference Guide

EnrichVersion
6.3
EnrichProdName
Talend Open Studio for Big Data
task
Data Governance
Data Quality and Preparation
Design and Development
EnrichPlatform
Talend Studio

Component family

Business Intelligence/Cube OLAP/Palo

 

Basic settings

Use an existing connection

Select this check box and in the Component List click the relevant connection component to reuse the connection details you already defined.

Note that when a Job contains the parent Job and the child Job, Component List presents only the connection components in the same Job level.

Connection configuration

Note

Unavailable when using an existing connection.

Host Name

Enter the host name or the IP address of the host server.

 

Server Port

Type in the listening port number of the Palo server.

 

Username and Password

Enter the Palo user authentication data.

To enter the password, click the [...] button next to the password field, and then in the pop-up dialog box enter the password between double quotes and click OK to save the settings.

Advanced settings

tStat Catcher Statistics

Select this check box to collect log data at the component level.

Global Variables

NB_DATABASES: the number of databases. This is an After variable and it returns an integer.

DATABASEID: the ID of the database. This is a Flow variable and it returns a long.

DATABASENAME: the name of the database. This is a Flow variable and it returns a string.

ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl + Space to access the variable list and choose the variable to use from it.

For further information about variables, see Talend Studio User Guide.

Connections

Outgoing links (from this component to another):

Row: Main; Iterate

Trigger: Run if; On Subjob Ok; On Subjob Error; On Component Ok; On Component Error.

Incoming links (from one component to this one):

Row: Iterate

Trigger: Run if; On Subjob Ok; On Subjob Error; On Component Ok; On Component Error.

For further information regarding connections, see Talend Studio User Guide.

Usage

This component can be used as a start component. It requires an output component.

Log4j

If you are using a subscription-based version of the Studio, the activity of this component can be logged using the log4j feature. For more information on this feature, see Talend Studio User Guide.

For more information on the log4j logging levels, see the Apache documentation at http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/Level.html.

Limitation

The output schema is fixed and read-only.

Due to license incompatibility, one or more JARs required to use this component are not provided. You can install the missing JARs for this particular component by clicking the Install button on the Component tab view. You can also find out and add all missing JARs easily on the Modules tab in the Integration perspective of your studio. For details, see the article Installing External Modules on Talend Help Center (https://help.talend.com) how to configure the Studio in the Talend Installation and Upgrade Guide.