SAP ITAB STREAMS documentation, setup help and example usage

ARTICLE

Streaming for internal tables
The specific classes for streaming for internal tables are: CL_ABAP_ITAB_C_READER

CL_ABAP_ITAB_C_READER

CL_ABAP_ITAB_C_WRITER

CL_ABAP_ITAB_X_READER

CL_ABAP_ITAB_X_WRITER

These classes are subclasses of the abstract superclasses CL_ABAP_MEMORY_... .

Example
Uses a reader stream to read an internal table.
DATA: itab TYPE TABLE OF string,
text TYPE string.

DATA itab_reader TYPE REF TO if_abap_c_reader.

APPEND `abc` TO itab.
APPEND `def` TO itab.
APPEND `ghi` TO itab.

CREATE OBJECT itab_reader TYPE cl_abap_itab_c_reader
EXPORTING
itab = itab.

WHILE itab_reader->data_available( ) = 'X'.
text = itab_reader->read( 3 ).
cl_demo_output=>write_text( text ).
ENDWHILE.
itab_reader->close( ).

cl_demo_output=>display( ).