Migrating from DatabaseInsert to a single
tDBOutput
Update your Job and map to replace the deprecated
DatabaseInsert function with a
tDBOutput component.
You can follow the same steps
to replace the DatabaseUpdate function.
Before you begin
You have a Job containing a tHMap that uses a
DatabaseInsert function.
You have created a connection to your database in
Talend Studio. For more information, see Setting up a database connection. Make
sure that the schema is identical to the structure used in your map.
About this task
In this example, you have a simple Job with a tFileInputRaw
that reads an XML file containing employee information, and a
tHMap that maps the XML data to a database table. The Job looks like this:
The map used in the tHMap looks like this:
The goal of this example is to remove the deprecated
DatabaseInsert function and keep the same behavior for
the Job.
Procedure
Drag and drop your input database table from Metadata > Db Connections in your Job, after the tHMap.
Select tDBOutput when prompted, then click
OK.
Link the tHMap to the tDBOutput
using a Row > Main connection and enter a name for the connection.
Click Yes when asked if you want to get the schema of
the target component.
In the Mapping perspective, expand the
Representations folder under the database table
structure used as output in your map.
If there is a Map representation, you can go to
the next step.
If there is no Map representation, right-click
Representations and click New
Map.
Open the map used in your Job and click Database on the
Output side, then select Map
and click OK to update the representation.
Remove the DatabaseInsert function in the output
structure.
It can be either on the root
element or on the Row loop, in the
IO/Database tab.
Save your map and your Job.
Results
Your Job is now using the tDBOutput component instead of the
deprecated DatabaseInsert function. You can run the Job and you
should get the same result.
Information noteTip: You may need to close and reopen your Job to remove the error icon on
the tHMap.
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