tPaloCubeList - 6.1

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tPaloCubeList Properties

Component family

Business Intelligence/Cube OLAP/Palo



This component retrieves a list of cube details from the given Palo database.


This component lists cube names, cube types, number of assigned dimensions, the number of filled cells from the given database.

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.


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


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.



Type in the name of the database whose cube details you want to retrieve.

Advanced settings

tStat Catcher Statistics

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

Global Variables

NB_CUBES: the number of cubes. This is an After variable and it returns an integer.

CUBEID: the ID of the cube. This is a Flow variable and it returns an integer.

CUBENAME: the name of the cube. 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.


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.


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


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


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 or the section describing how to configure the Studio in the Talend Installation Guide.

Discovering the read-only output schema of tPaloCubeList

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






Internal id of the cube.



Name of the cube.



Number of dimensions inside the cube.



Number of calculated cells inside the cube.



Number of filled cells inside the cube.



Status of the cube. It may be:

- 0: unloaded

- 1: loaded

- 2: changed



Type of the cube. It may be:

- 0: normal

- 1: system

- 2: attribute

- 3: user info

- 4. gpu type

Scenario: Retrieving detailed cube information from a given database

The Job in this scenario retrieves detailed information of the cubes pertaining to the demo Palo database, Biker.

To replicate this scenario, proceed as follows:

Setting up the Job

  1. Drop tPaloCubeList and tLogRow from the component Palette onto the design workspace.

  2. Right-click tPaloCubeList to open the contextual menu.

  3. From this menu, select Row > Main to link the two components.

Configuring the tPaloCube component

  1. Double-click the tPaloCube component to open its Component view.

  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 7777.

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

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

Job execution

Press F6 to run the Job.

The cube details are retrieved from the Biker database and are listed in the console of the Run view.

For further information about how to inteprete the cube details listed in the console, see Discovering the read-only output schema of tPaloCubeList.