Devo Last Event Date
Description
This unit is a Source unit type.
The Devo Last Event Date unit finds the date of the latest event in a specified Devo table and appends it to the input event in the field set in the properties.
Once an event enters through the in port, the query specified in the properties is issued.
Events are output through the data port with the date of the last record in the table is added to the event in the field indicated in configuration.
If an error occurs, the events are enriched with standard error fields and set to the error output port.
Configuration
After dragging this unit into the Flow canvas, double-click it to access its configuration options. The following table describes the configuration options of this unit:
| Tab | Field | Description |
|---|---|---|
| General | Name | Enter a name for the unit. It must start with a letter, and cannot contain spaces. Only letters, numbers, and underscores are allowed. |
| Table name | Enter the name of the table to be consulted in Devo. | |
| Column name | Enter a name for the output event field containing the last event date. | |
| Lookback period | The interval of how far back in time to search. The lookback can be performed from a minimum of 600,000 milliseconds (10 minutes) and a maximum of 10 days. |
Input ports
| Port | Description |
|---|---|
| in | All input events enter via this port. |
Output ports
| Port | Description |
|---|---|
| data | This port outputs events enriched with a field containing the last date found. |
| error | This port outputs events that generated an error when evaluated against the expression. Standard error fields (error, exception) are added to the output events. |