Setting the mapping conditions

Procedure

On the lookup flow table, click the button to open the setting panel in this table.
In the Join Model row, select Left Outer Join to ensure that every record of the main flow is included in this join.
On the out1 output flow table, click the button to display the editing field for the filter expression.
Enter 'normal'== row1.traffic
This allows tPigMap to output only the traffic records reading normal in the out1 flow.
On the reject output flow table, click the button to open the setting panel.
In the Catch Output Reject row, select true to output the traffic records reading jam in the reject flow.
Click Apply, then click OK to validate these changes and accept the propagation prompted by the pop-up dialog box.

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