tPaloCheckElements
Checks whether elements are present in an incoming data flow existing in a given
cube.
This component can be used along with tPaloOutputMulti. It checks if the elements from the input stream exist
in the given cube, before writing them. It can also define a default value to be used
for nonexistent elements.
tPaloCheckElements Standard properties
These properties are used to configure tPaloCheckElements running in the Standard Job framework.
The Standard
tPaloCheckElements component belongs to the Business Intelligence family.
The component in this framework is available in all Talend
products.
Basic settings
Use an existing connection |
Select this check box and in the Component List click the relevant connection component to Note that when a Job contains the parent Job and the child Job, |
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 |
Type in the name of the database in which the data is to be |
Cube |
Type in the name of the cube in which the data should be |
On element error |
Select what should happen if an element does not exist: – Reject row: the corresponding – Use default: the defined – Stop: the entire process is |
Schema and Edit |
A schema is a row description. It defines the number of fields Click Edit
|
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Built-in: The schema is created |
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Repository: The schema already |
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Define the elements to be checked in the table provided. – Column: shows the column(s) – Element type: select the – Default: type in the default |
Advanced settings
tStat |
Select this check box to collect log data on the component |
Global Variables
Global Variables |
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 |
Usage
Usage rule |
This component requires an input component. |
Connections |
Outgoing links (from this component to another): Row: Main; Rejects
Trigger: Run if; On Component Ok; Incoming links (from one component to this one): Row: Main; Rejects For further information regarding connections, see |
Limitation |
This component only works on Normal Palo cubes. Due to license incompatibility, one or more JARs required to use |
Related scenario
For a related scenario, see Rejecting inflow data when the elements to be written do not exist in a given cube.