SummaryData
- Last UpdatedMar 10, 2025
- 1 minute read
Contains one row for each summarized value, or result, for a tag. This table is used by the event subsystem; it is not used by the replication subsystem. The Quality column contains the highest quality value of the raw data from which the result is calculated.
|
Column |
Data Type |
Description |
|---|---|---|
|
(PK) (FK) LogKey |
int NOT NULL |
The unique numerical identifier of the summary's historical log. LogKey is a foreign key from the SummaryHistory table. |
|
(PK) (FK) SumVarKey |
int NOT NULL |
The unique numerical identifier for a summarized tag. SumVarKey is a foreign key from the SummaryTagList table. |
|
Value |
float NULL |
The value of the summary. |
|
Quality |
tinyint NOT NULL |
The basic data quality indicator associated with the data value. |
|
Modified |
int NOT NULL |
Used to specify whether or not the data has been modified. This value is optional. 1 = Modified; 0 = Not modified. |