Internal Table EXTRACT
Definition
The table EXTRACT is the work table for the data display. At run-time it contains all data, which was selected from the TOTAL table in the extended table maintenance. The selection is made by the user by function calls, for example, all read, all marked entries, all changed entries. The data is sorted in ascending order.
The table is a formal parameter of a function module. The formal parameter EXTRACT can also be accessed via the parameter <view name_EXTRACT>, if: This is only possible under the following conditions:
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the maintenance dialog is based on a view
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the maintenance dialog was called via
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the extended table maintenance transaction (SM30)
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the function module VIEW_MAINTENANCE_CALL.
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Structure
For views or tables without a text table, The internal table has the structure of the view or table, and also a processing and selection flag.
For tables with a text table, connected via the foreign key relationship TEXT, the structure of the table consists of the structure of the entity table, text table, and also two processing flags and a selection flag.
Processing and Selection Flags
Each record in the table EXTRACT contains processing and selection flags. They can be found in a loop for each record in the table.
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Processing flag: The processing flag can be accessed via the field symbol <XACT>. It specifies whether the table record is unchanged (original), changed, new or flagged for deletion.
If the maintenance dialog is based on a table with a text table, connected via the foreign key relationship TEXT, the field symbol <XACT> only refers to the entity table and not to the text table. The text table therefore has its own processing flag with the same semantics. Thiis can be accessed via the Field symbol <XACT_TEXT>. Selection flag
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Selection flag: The selection flag can be accessed via the field symbol <XMARK>. It states whether the current record was marked or not.