TcHmiSqliteHistorize
Type Definitions
|
Name |
Description |
|---|---|
|
Width of the XAxis in milliseconds. |
General Properties
|
Symbol name |
Text |
Description |
|---|---|---|
|
Historized symbols |
List containing all historized symbols. | |
|
Enable database backups |
Creates database backups continuously. | |
|
Maximal amount of database backups |
Once the maximum number of backups is reached, oldest backups will be deleted. | |
|
In memory database |
Active option will save to volatile RAM. Server restart is required. | |
|
Vacuum at start |
Tries to reduce database size. This might take a while on big databases. | |
|
commitInterval |
Commit interval |
The time between writing each transaction into the database. |
|
Mode |
A stricter synchronization mode lowers the chance that the database is corrupted in case of a crash or power failure. The memory journaling mode can also corrupt the database. |