EventHistory
- Last UpdatedMar 10, 2025
- 1 minute read
Contains one row for each stored event, as labeled by the tagname. Event data must be configured to be logged into this table.
|
Column |
Data Type |
Description |
|---|---|---|
|
(PK) EventLogKey |
int NOT NULL |
The unique numerical identifier of an event occurrence. This value is automatically generated by the system when the event record is added. |
|
(FK) TagName |
TagNameType |
The unique name of the tag within the AVEVA Historian system. TagName is a foreign key from the EventTag table. |
|
DateTime |
datetime2(7) NOT NULL |
The timestamp reflecting when event history data was acquired. This is the time when an event actually occurred. This time reflects the time zone of the AVEVA Historian. |
|
DetectDateTime |
datetime2(7) NOT NULL |
The timestamp reflecting when the event was detected by the event system. |
|
Edge |
tinyint NULL |
The "edge" for the event detection. 0 = Trailing; 1 = Leading; 2 = Both; 3 = None; 4 = Time Detector; 5 = External Detector. |