ABAP Select data from SAP table REPOSITORY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REPOSITORY table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to REPOSITORY. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the REPOSITORY table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_REPOSITORY TYPE STANDARD TABLE OF REPOSITORY,
      WA_REPOSITORY TYPE REPOSITORY,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <REPOSITORY> TYPE REPOSITORY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_REPOSITORY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM REPOSITORY
  INTO TABLE IT_REPOSITORY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REPOSITORY
*  INTO TABLE @DATA(IT_REPOSITORY2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_REPOSITORY INDEX 1 INTO DATA(WA_REPOSITORY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_REPOSITORY ASSIGNING <REPOSITORY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REPOSITORY>-PROGRAM = 1.
<REPOSITORY>-DIALMODULE = 1.
<REPOSITORY>-FUNCAREA = 1.
<REPOSITORY>-FUNCMODULE = 1.
<REPOSITORY>-LOGDB = 1.

ENDLOOP.

LOOP AT IT_REPOSITORY INTO WA_REPOSITORY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REPOSITORY-TABLE, sy-vline,
  WA_REPOSITORY-VIEW, sy-vline,
  WA_REPOSITORY-DATELEMENT, sy-vline,
  WA_REPOSITORY-DOMAIN, sy-vline,
  WA_REPOSITORY-TYPEGROUP, sy-vline,
  WA_REPOSITORY-MATCHCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REPOSITORY you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_REPOSITORY TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_REPOSITORY INTO WA_REPOSITORY.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_REPOSITORY_STR, 
PROGRAM TYPE STRING,
DIALMODULE TYPE STRING,
FUNCAREA TYPE STRING,
FUNCMODULE TYPE STRING,
LOGDB TYPE STRING,
TABLE TYPE STRING,
VIEW TYPE STRING,
DATELEMENT TYPE STRING,
DOMAIN TYPE STRING,
TYPEGROUP TYPE STRING,
MATCHCODE TYPE STRING,
MATCODEID TYPE STRING,
ENQUEUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REPOSITORY_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_REPOSITORY_STR-PROGRAM sy-vline 
WA_REPOSITORY_STR-DIALMODULE sy-vline 
WA_REPOSITORY_STR-FUNCAREA sy-vline 
WA_REPOSITORY_STR-FUNCMODULE sy-vline 
WA_REPOSITORY_STR-LOGDB sy-vline 
WA_REPOSITORY_STR-TABLE sy-vline 
WA_REPOSITORY_STR-VIEW sy-vline 
WA_REPOSITORY_STR-DATELEMENT sy-vline 
WA_REPOSITORY_STR-DOMAIN sy-vline 
WA_REPOSITORY_STR-TYPEGROUP sy-vline 
WA_REPOSITORY_STR-MATCHCODE sy-vline 
WA_REPOSITORY_STR-MATCODEID sy-vline 
WA_REPOSITORY_STR-ENQUEUE sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.