ABAP Keyword Documentation →  ABAP - Reference →  Processing Internal Data →  Streaming →  Streaming for Data Objects 

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_....

Other versions: 7.31 | 7.40 | 7.54

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( ).