Fetcher object is responsible for part of data read from the source. A source can be any data source which supports data acquiring.

Provided types of Fetcher object:

Creation of Fetcher object

Run the transaction /DVD/GL80 to open (Glue-1911) Object Navigator
Right-click on the desired package and select option Create Extractor 2.0 object
Enter the name of the new Fetcher in Object name and short information about it in Description
Select Fetcher in Component type dropdown and desired Fetcher implementation in Component implementation pops up
Confirm the popup

Load type

Mode of the data read for extraction execution. This setting can be set in some Fetchers.

There are four Load types:

Full Load (Repair) Without Delta Update
- all data will be read
Delta Init (Without Data)
- only Delta value will be set, no data will be read
Delta Init + Full Load
- Delta value will be set and all data will be read
Delta Load
- data based on Delta value will be read

Manage delta

Manage delta functionality is relevant for the following Delta types: DATE, TMSTMP, VALUE, VALUE_DIST. For more information see (Glue-1911) Delta Mechanisms.

DATE
- Delta field - field of the source table, F4 help provided
- Set delta value - a field with the actual delta value can be changed for an active object
TMSTMP
- Delta field - field of the source table, F4 help provided
- Set delta value - a field with the actual delta value can be changed for an active object
- Timestamp offset - value of time shift for next delta load in seconds
VALUE
- Delta field - field of the source table, F4 help provided
- Set delta value - a field with the actual delta value can be changed for an active object
VALUE_DIST
- Delta field - field of the source table, F4 help provided
- Reset delta value - a button for cleanup of all distinct delta values

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