Historical Data Download Scheduler: Difference between revisions
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Historical Data Download Scheduler (view source)
Revision as of 14:08, 20 April 2022
, 20 April 2022→Data Removal Options
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==Data Removal Options== | ==Data Removal Options== | ||
From the drop-down list choose: | From the drop-down list choose: | ||
*''' | *'''Refresh''' to request the historical data for the selected data range, resolution and quote field from the data feed. If the data is received from the provider, the new data replaces the data that was stored in the database before for the selected interval and type. If new data is not received from the provider, it remains the same. | ||
*'''Delete only the data of the selected type and time interval''' to delete the symbols’ historical data for the selected data range, resolution and quote field and request new historical data. Data backup is automatically created. If the data is received from the provider, the new data is saved in the database. If the data is not received from the provider, there will be a gap in the data of the selected type and time interval. | *'''Delete only the data of the selected type and time interval''' to delete the symbols’ historical data for the selected data range, resolution and quote field and request new historical data. Data backup is automatically created. If the data is received from the provider, the new data is saved in the database. If the data is not received from the provider, there will be a gap in the data of the selected type and time interval. | ||
*'''Delete the data of the selected type completely''' to delete all the historical data stored in the database for the selected symbols and download historical data for the selected data range, resolution and quote field. | *'''Delete the data of the selected type completely''' to delete all the historical data stored in the database for the selected symbols and download historical data for the selected data range, resolution and quote field. | ||
If data removal option '''Delete only the data of the selected type and time interval''' or '''Delete the data of the selected type completely''' is selected, a data backup is automatically created. The number of backup copies is limited, maximal allowed number is 99, default number is 3. Use '''Store … backup copies''' control to select how many backups to store for this task. When saving a new automatic backup, a number of backups created earlier for this task will be deleted. When the task is performed, the number of backups will match the selected value. | |||
==Schedule Settings Tab== | ==Schedule Settings Tab== | ||
# Click on the '''Name''' (in blue) to change the name of the schedule. | # Click on the '''Name''' (in blue) to change the name of the schedule. |