Syntax Check for IMPORT

This syntax check of ABAP is in continuation of our series and previous discussion is about IF key word.

Variants

1. IMPORT f itab FROM MEMORY.
2. IMPORT f itab FROM DATABASE dbtab(ar) ID key.
3. IMPORT DIRECTORY INTO itab FROM DATABASE dbtab(ar) ID key.
4. IMPORT f itab FROM DATASET dsn(ar) ID key.

Variant 1

IMPORT f itab FROM MEMORY.

Additions

1. ... TO g (for each field f to be imported)
2. ... ID key

Effect

Imports data objects (fields or tables) from the ABAP/4 memory . Reads in all data without an ID that was exported to memory with "EXPORT ... TO MEMORY." . In contrast to the variant IMPORT FROM DATABASE , it does not check that the structure matches in EXPORT and IMPORT .

The return code value is set as follows:

SY-SUBRC = 0 The data objects were successfully imported.

SY_SUBRC = 4 The data objects could not be imported,probably because the ABAP/4 memory was empty.

The contents of all objects remain unchanged.

Addition 1

... TO g (for each field f to be imported)

Effect

Takes the field contents stored under f from the global ABAP/4 memory and places them in the field g .

Addition 2

... ID key

Effect

Imports only data stored in ABAP/4 memory under the ID key .

The return code value is set as follows:

SY-SUBRC = 0 The data objects were successfully imported.

SY_SUBRC = 4 The data objects could not be imported, probably because an incorrect ID was used. The contents of all objects remain unchanged.

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