ABAP Select data from SAP table /PLMB/S_RCP_OPT_HEADER_SP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMB/S_RCP_OPT_HEADER_SP
*  INTO TABLE @DATA(IT_/PLMB/S_RCP_OPT_HEADER_SP2).
*--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_/PLMB/S_RCP_OPT_HEADER_SP INDEX 1 INTO DATA(WA_/PLMB/S_RCP_OPT_HEADER_SP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMB/S_RCP_OPT_HEADER_SP>-GUID = 1.
</PLMB/S_RCP_OPT_HEADER_SP>-CALC_ID = 1.
</PLMB/S_RCP_OPT_HEADER_SP>-TARGET_ITEM_GUID = 1.
</PLMB/S_RCP_OPT_HEADER_SP>-CNT = 1.
</PLMB/S_RCP_OPT_HEADER_SP>-FLG_DRV = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMB/S_RCP_OPT_HEADER_SP-ITEM_GUID, sy-vline,
  WA_/PLMB/S_RCP_OPT_HEADER_SP-CPARA_ID, sy-vline,
  WA_/PLMB/S_RCP_OPT_HEADER_SP-GROUP_RECN, sy-vline,
  WA_/PLMB/S_RCP_OPT_HEADER_SP-SUBRECN, sy-vline,
  WA_/PLMB/S_RCP_OPT_HEADER_SP-ID, sy-vline,
  WA_/PLMB/S_RCP_OPT_HEADER_SP-SUBCAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMB/S_RCP_OPT_HEADER_SP 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_/PLMB/S_RCP_OPT_HEADER_SP 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_/PLMB/S_RCP_OPT_HEADER_SP INTO WA_/PLMB/S_RCP_OPT_HEADER_SP.


*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 CUNIT, internal->external for field RESULT_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_RCP_OPT_HEADER_SP-RESULT_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_RCP_OPT_HEADER_SP-RESULT_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TARGET_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_RCP_OPT_HEADER_SP-TARGET_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_RCP_OPT_HEADER_SP-TARGET_UOM.
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_/PLMB/S_RCP_OPT_HEADER_SP_STR, 
GUID TYPE STRING,
CALC_ID TYPE STRING,
TARGET_ITEM_GUID TYPE STRING,
CNT TYPE STRING,
FLG_DRV TYPE STRING,
ITEM_GUID TYPE STRING,
CPARA_ID TYPE STRING,
GROUP_RECN TYPE STRING,
SUBRECN TYPE STRING,
ID TYPE STRING,
SUBCAT TYPE STRING,
OBJ_MAX TYPE STRING,
FIELD_DESCR TYPE STRING,
STREAM TYPE STRING,
PROCESS TYPE STRING,
RELEASED TYPE STRING,
RESULT_QTY TYPE STRING,
RESULT_PRICE TYPE STRING,
RESULT_UOM TYPE STRING,
PRICE_UOM TYPE STRING,
CV_PRICE TYPE STRING,
OBJ_EXISTS TYPE STRING,
TARGET_QTY TYPE STRING,
TARGET_UOM TYPE STRING,
OPT_RUN_DATE TYPE STRING,
OPT_RUN_TIME TYPE STRING,
RUN_BY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMB/S_RCP_OPT_HEADER_SP_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_/PLMB/S_RCP_OPT_HEADER_SP_STR-GUID sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-CALC_ID sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-TARGET_ITEM_GUID sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-CNT sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-FLG_DRV sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-ITEM_GUID sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-CPARA_ID sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-GROUP_RECN sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-SUBRECN sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-ID sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-SUBCAT sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-OBJ_MAX sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-FIELD_DESCR sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-STREAM sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-PROCESS sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-RELEASED sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-RESULT_QTY sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-RESULT_PRICE sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-RESULT_UOM sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-PRICE_UOM sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-CV_PRICE sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-OBJ_EXISTS sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-TARGET_QTY sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-TARGET_UOM sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-OPT_RUN_DATE sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-OPT_RUN_TIME sy-vline 
WA_/PLMB/S_RCP_OPT_HEADER_SP_STR-RUN_BY sy-vline      INTO ld_text SEPARATED BY SPACE.

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