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Get started building your first Job!
After taking the tour, you will be familiar with all the parts of Talend Studio. Let's start!
Step 1 – Create a Standard Job from the Job Designs node in the Repository tree view.
Step 2 – Expand the Metadata node, and then expand the File Delimited node.
Step 3 – Drag and drop the metadata file StreamingResults.csv to the Designer workspace.
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Next, you will need to build the Job flow by adding components.
Add the tMap component, used to map input source columns to output target columns. And then, add the final tFileOutputDelimited component, used to write to a flat file.
Step 1 – Either write in the design window tMap and select the component, or drag it over from the palette under Processing on the right of the Designer workspace.
Step 2 – Connect tFileInputDelimited to tMap by clicking on the output row connector as shown in the video.
Step 3 – Right click tMap and select Row > *New Output*, and then, drag and release to type and select tFileOutputDelimited.
All the components are now connected.
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In this step, you will be mapping the input fields to the output field, and in this example, creating the output schema at the same time.
Step 1 – Double click the tMap Component to open the mapping interface.
Step 2 – Select the fields you want in the output file and drag them to the output side.
Note: when there is a dark blue line visible, release the mouse to drop them into the target. This will create the target columns in the tFileOutputDelimited schema.
Step 3 – Click Ok, and then Yes to save changes and to propagate the changes to the output file schema.
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The final step is to run the Job within Talend Studio runtime environment, and then view the results.
Step 1 – Click on the Run tab below the Designer workspace.
Step 2 - Click Run
Note: this builds the Java needed to execute the flow built in the Job. Once the Java has been built, the Job executes. You will see the throughput metrics on the rows between each component. You can either open the file from the tFileOutputDelimeted component, or right click on the components and click Data viewer to see the data written to the target file.