Component family |
Business Intelligence/Cube OLAP/Palo |
|
Function |
This component retrieves a list of dimension details from the |
|
Purpose |
This component lists dimension names, dimension types, number of |
|
Basic settings |
Use an existing connection |
Select this check box and in the Component List click the NoteWhen a Job contains the parent Job and the child Job, Component |
Connection configuration NoteUnavailable 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 |
Enter the Palo user authentication data. To enter the password, click the […] button next to the |
|
Database |
The name of the database where the dimensions of interest |
|
Retrieve cube dimensions |
Select this check box to retrieve dimension information from an |
|
Cube NoteAvailable when you select the Retrieve |
Type in the name of the cube from which dimension information is |
|
Schema and Edit |
A schema is a row description. It defines the number of fields to be processed and passed on Since version 5.6, both the Built-In mode and the Repository mode are Click Edit schema to make changes to the schema. If the
|
|
|
Built-in: The schema is created |
|
|
Repository: The schema already |
Advanced settings |
tStat |
Select this check box to collect log data at the component |
Global Variables |
DIMENSIONNAME: the name of the dimension. This is a Flow ERROR_MESSAGE: the error message generated by the A Flow variable functions during the execution of a component while an After variable To fill up a field or expression with a variable, press Ctrl + For further information about variables, see Talend Studio |
|
Connections |
Outgoing links (from this component to another): Row: Main; Iterate.
Trigger: Run if; On Subjob Ok; On Incoming links (from one component to this one): Row: Iterate
Trigger: Run if; On Subjob Ok; On For further information regarding connections, see |
|
Usage |
This component can be used in standalone or as start component of |
|
Log4j |
The activity of this component can be logged using the log4j feature. For more information on this feature, see Talend Studio User 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 |
The below table presents information related to the read-only output schema of the
tPaloDimensionList component.
Database |
Type |
Description |
---|---|---|
Dimension_id |
long |
Internal ID of the dimension. |
Dimension_name |
string |
Name of the dimension. |
Dimension_attribute_cube |
string |
Name of the cube of attributes. |
Dimension_rights_cube |
string |
Name of the cube of rights. |
Dimension_elements |
int |
Number of the dimension elements |
Dimension_max_level |
int |
Maximum level of the dimension |
Dimension_max_indent |
int |
Maximum indent of the dimension |
Dimension_max_depth |
int |
Maximum depth of the dimension |
Dimension_type |
int |
Type of the dimension. – 0 =normal – 1 =system – 2 =attribute – 3 =user info |
The Job in this scenario retrieves details of all of the dimensions from a given
database.
To replicate this scenario, proceed as follows:
-
Drop tPaloDimensionList and tLogRow from the component Palette onto the design workspace.
-
Right-click tPaloDimensionList to open
the contextual menu. -
From this menu, select Row > Main to link the two components.
-
Double-click the tPaloDimensionList
component to open its Component
view. -
In the Host name field, type in the host
name or the IP address of the host server, localhost
for this example. -
In the Server Port field, type in the
listening port number of the Palo server. In this scenario, it is
7777. -
In the Username field and the Password field, type in the authentication
information. In this example, both of them are
admin. -
In the Database field, type in the
database name where the dimensions of interest reside,
Biker in this example.
Press F6 to run the Job.
Details of all the dimensions in the Biker database 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 tPaloDimensionList.