ABAP Select data from SAP table /SAPSLL/API_BOM_HEADER_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPSLL/API_BOM_HEADER_S 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 /SAPSLL/API_BOM_HEADER_S. 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 /SAPSLL/API_BOM_HEADER_S 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_/SAPSLL/API_BOM_HEADER_S TYPE STANDARD TABLE OF /SAPSLL/API_BOM_HEADER_S,
      WA_/SAPSLL/API_BOM_HEADER_S TYPE /SAPSLL/API_BOM_HEADER_S,
      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: </SAPSLL/API_BOM_HEADER_S> TYPE /SAPSLL/API_BOM_HEADER_S.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPSLL/API_BOM_HEADER_S
  INTO TABLE IT_/SAPSLL/API_BOM_HEADER_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSLL/API_BOM_HEADER_S
*  INTO TABLE @DATA(IT_/SAPSLL/API_BOM_HEADER_S2).
*--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_/SAPSLL/API_BOM_HEADER_S INDEX 1 INTO DATA(WA_/SAPSLL/API_BOM_HEADER_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPSLL/API_BOM_HEADER_S ASSIGNING </SAPSLL/API_BOM_HEADER_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSLL/API_BOM_HEADER_S>-GUID_BOMHD = 1.
</SAPSLL/API_BOM_HEADER_S>-SRVLL = 1.
</SAPSLL/API_BOM_HEADER_S>-LOGSYS = 1.
</SAPSLL/API_BOM_HEADER_S>-PRVSY = 1.
</SAPSLL/API_BOM_HEADER_S>-STLNR = 1.

ENDLOOP.

LOOP AT IT_/SAPSLL/API_BOM_HEADER_S INTO WA_/SAPSLL/API_BOM_HEADER_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSLL/API_BOM_HEADER_S-STLAL, sy-vline,
  WA_/SAPSLL/API_BOM_HEADER_S-STLAN, sy-vline,
  WA_/SAPSLL/API_BOM_HEADER_S-MODEL, sy-vline,
  WA_/SAPSLL/API_BOM_HEADER_S-PLANT, sy-vline,
  WA_/SAPSLL/API_BOM_HEADER_S-DISPO, sy-vline,
  WA_/SAPSLL/API_BOM_HEADER_S-PROCID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSLL/API_BOM_HEADER_S 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_/SAPSLL/API_BOM_HEADER_S 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_/SAPSLL/API_BOM_HEADER_S INTO WA_/SAPSLL/API_BOM_HEADER_S.


*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 LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API_BOM_HEADER_S-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API_BOM_HEADER_S-LOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SLLPR, internal->external for field PRVSY
CALL FUNCTION 'CONVERSION_EXIT_SLLPR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API_BOM_HEADER_S-PRVSY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API_BOM_HEADER_S-PRVSY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API_BOM_HEADER_S-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API_BOM_HEADER_S-STLNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field PRBUM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API_BOM_HEADER_S-PRBUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API_BOM_HEADER_S-PRBUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUAUM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API_BOM_HEADER_S-QUAUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API_BOM_HEADER_S-QUAUM.
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_/SAPSLL/API_BOM_HEADER_S_STR, 
GUID_BOMHD TYPE STRING,
SRVLL TYPE STRING,
LOGSYS TYPE STRING,
PRVSY TYPE STRING,
STLNR TYPE STRING,
STLAL TYPE STRING,
STLAN TYPE STRING,
MODEL TYPE STRING,
PLANT TYPE STRING,
DISPO TYPE STRING,
PROCID TYPE STRING,
CFBOM TYPE STRING,
DUMPS TYPE STRING,
PREPATH TYPE STRING,
ALPGR TYPE STRING,
BOMCMP TYPE STRING,
PRBUM TYPE STRING,
PRBUM_ISO TYPE STRING,
QSIGN TYPE STRING,
QUAL_DIM TYPE STRING,
QUANT_FLT TYPE STRING,
QUANT TYPE STRING,
QUAUM TYPE STRING,
QUAUM_ISO TYPE STRING,
QUAL_VAL TYPE STRING,
VALUE TYPE STRING,
VALUE_FLOAT TYPE STRING,
VAL_CURR TYPE STRING,
VAL_CURR_ISO TYPE STRING,
QUAL_VAL_COMP TYPE STRING,
VALUE_COMP TYPE STRING,
VALUE_FLOAT_COMP TYPE STRING,
VAL_CURR_COMP TYPE STRING,
VAL_CURR_ISO_COMP TYPE STRING,
LAND1 TYPE STRING,
LAND1_ISO TYPE STRING,
LAND_ISO3 TYPE STRING,
LAND_ISON TYPE STRING,
CCNGN TYPE STRING,
KMAT_IDENT TYPE STRING,
DELETE_ID TYPE STRING,
BOM_USAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSLL/API_BOM_HEADER_S_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_/SAPSLL/API_BOM_HEADER_S_STR-GUID_BOMHD sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-SRVLL sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-LOGSYS sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-PRVSY sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-STLNR sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-STLAL sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-STLAN sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-MODEL sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-PLANT sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-DISPO sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-PROCID sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-CFBOM sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-DUMPS sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-PREPATH sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-ALPGR sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-BOMCMP sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-PRBUM sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-PRBUM_ISO sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-QSIGN sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-QUAL_DIM sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-QUANT_FLT sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-QUANT sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-QUAUM sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-QUAUM_ISO sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-QUAL_VAL sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-VALUE sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-VALUE_FLOAT sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-VAL_CURR sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-VAL_CURR_ISO sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-QUAL_VAL_COMP sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-VALUE_COMP sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-VALUE_FLOAT_COMP sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-VAL_CURR_COMP sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-VAL_CURR_ISO_COMP sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-LAND1 sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-LAND1_ISO sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-LAND_ISO3 sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-LAND_ISON sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-CCNGN sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-KMAT_IDENT sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-DELETE_ID sy-vline 
WA_/SAPSLL/API_BOM_HEADER_S_STR-BOM_USAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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