August 17, 2023

tPaloDatabase – Docs for ESB 5.x

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tPaloDatabase

tPaloDatabase_icon32.png

tPaloDatabase Properties

Component family

Business Intelligence/Cube OLAP/Palo

  

Function

This component creates, drops or recreates databases in a given
Palo server.

Purpose

This component manages the databases inside a Palo server.

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

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.

 

Database

Type in the name of the database on which the given operation
should take place.

 

Action on database

Select the operation you want to perform on the database of
interest:

– Create database: the database
does not exist and will be created.

– Create database if not exists:
the database is created when it does not exist.

– Delete database if exists and
create: the database is deleted if exist and a new
one is then created.

– Delete database: the database
is removed from the server

Advanced settings

tStat
Catcher Statistics

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

Global Variables

DATABASENAME: the name of the database. This is an After
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):

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 in standalone for database management
in a Palo server.

Log4j

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

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 https://help.talend.com/display/KB/How+to+install+external+modules+in+the+Talend+products
or the section describing how to configure the Studio in the Talend Installation and Upgrade
Guide.

Scenario: Creating a database

The Job in this scenario creates a new database on a given Palo server.

Use_Case_tPaloDatabase1.png

To replicate this scenario, proceed as follows:

  1. Drop tPaloDatabase from the component
    Palette onto the design workspace.

  2. Double-click the tPaloDatabase component to
    open its Component view.

    Use_Case_tPaloDatabase2.png

  3. In the Host name field, type in the host name
    or the IP address of the host server, localhost for this
    example.

  4. In the Server Port field, type in the
    listening port number of the Palo server. In this scenario, it is
    7777.

  5. In the Username field and the Password field, type in the authentication
    information. In this example, both of them are
    admin.

  6. In the Database field, type in the database
    name in which you want to create the cube, talenddatabase
    in this example.

  7. In the Action on database field, select the
    action to be performed. In this scenario, select Create
    database     as the database to be created does not exist.

  8. Press F6 to run the Job.

A new database is created on the given Palo server.

Document get from Talend https://help.talend.com
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Docs 5.x
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