July 30, 2023

tPaloDatabaseList – Docs for ESB 7.x


Lists database names, database types, number of cubes, number of dimensions,
database status and database id from a given Palo server.

The tPaloDatabaseList retrieves a list of database
details from the given Palo server.

Discovering the read-only output schema of tPaloDatabaseList

The below table presents information related to the read-only output schema of the
tPaloDatabaseList component.






Internal ID of the database.



Name of the database.



Number of dimensions inside the database.



Number of cubes inside the database.



Status of the database.

0 = unloaded

1 = loaded

2 = changed



Type of the database.

0 =normal

1 =system

3 =user info

tPaloDatabaseList Standard properties

These properties are used to configure tPaloDatabaseList running in the Standard Job framework.

The Standard
tPaloDatabaseList component belongs to the Business Intelligence family.

The component in this framework is available in all Talend

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.

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

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

Catcher Statistics

Select this check box to collect log data at the component

Global Variables

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 +
to access the variable list and choose the variable to use from it.

For further information about variables, see
Talend Studio

User Guide.


Usage rule

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


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


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
perspective of your studio. You can find more details about how to install external modules in
Talend Help Center (https://help.talend.com)

Retrieving detailed database information from a given Palo server

The Job in this scenario retrieves details of all of the databases from a given Palo


To replicate this scenario, proceed as follows:

Setting up the Job

  1. Drop tPaloDatabaseList and tLogRow from the component Palette onto the design workspace.
  2. Right-click tPaloDatabaseList to open the
    contextual menu.
  3. From this menu, select Row >
    Main to link the two components.

Configuring the tPaloDatabaseList component

  1. Double-click the tPaloDatabaseList
    component to open its Component


  2. In the Host name field, type in the host
    name or the IP address of the host server, localhost
    for this example.
  3. In the Server Port field, type in the
    listening port number of the Palo server. In this scenario, it is
  4. In the Username field and the Password field, type in the authentication
    information. In this example, both of them are

Job execution

Press F6 to run the Job.

Details of all of the databases in the Palo server are retrieved and listed in the
console of the Run view.


For further information about the output schema, see Discovering the read-only output schema of tPaloDatabaseList.

Document get from Talend https://help.talend.com
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