ABAP Select data from SAP table SDLSDSH into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SDLSDSH 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 SDLSDSH. 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 SDLSDSH 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_SDLSDSH TYPE STANDARD TABLE OF SDLSDSH,
      WA_SDLSDSH TYPE SDLSDSH,
      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: <SDLSDSH> TYPE SDLSDSH.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SDLSDSH
*  INTO TABLE @DATA(IT_SDLSDSH2).
*--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_SDLSDSH INDEX 1 INTO DATA(WA_SDLSDSH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SDLSDSH>-METHOD = 1.
<SDLSDSH>-DOC_NUMBER = 1.
<SDLSDSH>-ITM_NUMBER = 1.
<SDLSDSH>-COUNTER = 1.
<SDLSDSH>-SCOID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SDLSDSH-LOGSY, sy-vline,
  WA_SDLSDSH-VBELN, sy-vline,
  WA_SDLSDSH-VBELP, sy-vline,
  WA_SDLSDSH-ABART, sy-vline,
  WA_SDLSDSH-ABRUF, sy-vline,
  WA_SDLSDSH-CPUDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SDLSDSH 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_SDLSDSH 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_SDLSDSH INTO WA_SDLSDSH.


*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.

*Conversion exit ALPHA, internal->external for field LOGSY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDLSDSH-LOGSY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDLSDSH-LOGSY.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_SDLSDSH_STR, 
METHOD TYPE STRING,
DOC_NUMBER TYPE STRING,
ITM_NUMBER TYPE STRING,
COUNTER TYPE STRING,
SCOID TYPE STRING,
LOGSY TYPE STRING,
VBELN TYPE STRING,
VBELP TYPE STRING,
ABART TYPE STRING,
ABRUF TYPE STRING,
CPUDT TYPE STRING,
SYNCD TYPE STRING,
ABEIDT TYPE STRING,
ABEZT TYPE STRING,
ABEFZ TYPE STRING,
ABHDT TYPE STRING,
ABFDA TYPE STRING,
ABFDE TYPE STRING,
ABMDA TYPE STRING,
ABMDE TYPE STRING,
LFNKD TYPE STRING,
LFDAKD TYPE STRING,
LFMKD TYPE STRING,
DOCNUM TYPE STRING,
TERSL TYPE STRING,
ABHOR TYPE STRING,
KRITB TYPE STRING,
LABKY TYPE STRING,
ABRAB TYPE STRING,
ABRBI TYPE STRING,
VBRST TYPE STRING,
CYEFZ TYPE STRING,
CYDAT TYPE STRING,
MFLAUF TYPE STRING,
MFEIN TYPE STRING,
FFLAUF TYPE STRING,
FFEIN TYPE STRING,
USR01 TYPE STRING,
USR02 TYPE STRING,
USR03 TYPE STRING,
USR04 TYPE STRING,
USR05 TYPE STRING,
LFDNR TYPE STRING,
PERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SDLSDSH_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_SDLSDSH_STR-METHOD sy-vline 
WA_SDLSDSH_STR-DOC_NUMBER sy-vline 
WA_SDLSDSH_STR-ITM_NUMBER sy-vline 
WA_SDLSDSH_STR-COUNTER sy-vline 
WA_SDLSDSH_STR-SCOID sy-vline 
WA_SDLSDSH_STR-LOGSY sy-vline 
WA_SDLSDSH_STR-VBELN sy-vline 
WA_SDLSDSH_STR-VBELP sy-vline 
WA_SDLSDSH_STR-ABART sy-vline 
WA_SDLSDSH_STR-ABRUF sy-vline 
WA_SDLSDSH_STR-CPUDT sy-vline 
WA_SDLSDSH_STR-SYNCD sy-vline 
WA_SDLSDSH_STR-ABEIDT sy-vline 
WA_SDLSDSH_STR-ABEZT sy-vline 
WA_SDLSDSH_STR-ABEFZ sy-vline 
WA_SDLSDSH_STR-ABHDT sy-vline 
WA_SDLSDSH_STR-ABFDA sy-vline 
WA_SDLSDSH_STR-ABFDE sy-vline 
WA_SDLSDSH_STR-ABMDA sy-vline 
WA_SDLSDSH_STR-ABMDE sy-vline 
WA_SDLSDSH_STR-LFNKD sy-vline 
WA_SDLSDSH_STR-LFDAKD sy-vline 
WA_SDLSDSH_STR-LFMKD sy-vline 
WA_SDLSDSH_STR-DOCNUM sy-vline 
WA_SDLSDSH_STR-TERSL sy-vline 
WA_SDLSDSH_STR-ABHOR sy-vline 
WA_SDLSDSH_STR-KRITB sy-vline 
WA_SDLSDSH_STR-LABKY sy-vline 
WA_SDLSDSH_STR-ABRAB sy-vline 
WA_SDLSDSH_STR-ABRBI sy-vline 
WA_SDLSDSH_STR-VBRST sy-vline 
WA_SDLSDSH_STR-CYEFZ sy-vline 
WA_SDLSDSH_STR-CYDAT sy-vline 
WA_SDLSDSH_STR-MFLAUF sy-vline 
WA_SDLSDSH_STR-MFEIN sy-vline 
WA_SDLSDSH_STR-FFLAUF sy-vline 
WA_SDLSDSH_STR-FFEIN sy-vline 
WA_SDLSDSH_STR-USR01 sy-vline 
WA_SDLSDSH_STR-USR02 sy-vline 
WA_SDLSDSH_STR-USR03 sy-vline 
WA_SDLSDSH_STR-USR04 sy-vline 
WA_SDLSDSH_STR-USR05 sy-vline 
WA_SDLSDSH_STR-LFDNR sy-vline 
WA_SDLSDSH_STR-PERIOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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