tMondrianInput Standard properties - 7.3

Mondrian Version

Select the Mondrian version you are using.

DB type

Select the relevant type of relational database

Property type

Either Built-in or Repository.

Built-in: No property data stored centrally.

Repository: Select the Repository file where Properties are stored. The following fields are pre-filled in using fetched data.

Datasource

Name and path of the file containing the data.

Username and Password

DB 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.

Schema and Edit Schema

A schema is a row description. It defines the number of fields (columns) to be processed and passed on to the next component. When you create a Spark Job, avoid the reserved word line when naming the fields.

Click Edit schema to make changes to the schema. If the current schema is of the Repository type, three options are available:

• View schema: choose this option to view the schema only.

• Change to built-in property: choose this option to change the schema to Built-in for local changes.

• Update repository connection: choose this option to change the schema stored in the repository and decide whether to propagate the changes to all the Jobs upon completion. If you just want to propagate the changes to the current Job, you can select No upon completion and choose this schema metadata again in the Repository Content window.

Built-in: The schema is created and stored locally for this component only. Related topic: see Talend Studio User Guide .

Repository: The schema already exists and is stored in the Repository, hence can be reused. Related topic: see Talend Studio User Guide .

Catalog

Path to the catalog (structure of the data warehouse).

MDX Query

Type in the MDX query paying particularly attention to properly sequence the fields in order to match the schema definition and the data warehouse structure.

Encoding

Select the encoding from the list or select Custom and define it manually. This field is compulsory for DB data handling.

tStat Catcher Statistics

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

Global Variables

NB_LINE: the number of rows read by an input component or transferred to an output component. This is a Flow variable and it returns an integer.

QUERY: the query statement being processed. 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.

Usage rule

This component covers MDX queries for multi-dimensional datasets.

Limitation

This component requires installation of its related jar files.