ABAP Select data from SAP table RECP_OI_DOC_BE_DETAIL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RECP_OI_DOC_BE_DETAIL 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 RECP_OI_DOC_BE_DETAIL. 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 RECP_OI_DOC_BE_DETAIL 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_RECP_OI_DOC_BE_DETAIL TYPE STANDARD TABLE OF RECP_OI_DOC_BE_DETAIL,
      WA_RECP_OI_DOC_BE_DETAIL TYPE RECP_OI_DOC_BE_DETAIL,
      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: <RECP_OI_DOC_BE_DETAIL> TYPE RECP_OI_DOC_BE_DETAIL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_OI_DOC_BE_DETAIL
*  INTO TABLE @DATA(IT_RECP_OI_DOC_BE_DETAIL2).
*--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_RECP_OI_DOC_BE_DETAIL INDEX 1 INTO DATA(WA_RECP_OI_DOC_BE_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECP_OI_DOC_BE_DETAIL>-BUKRS = 1.
<RECP_OI_DOC_BE_DETAIL>-SWENR = 1.
<RECP_OI_DOC_BE_DETAIL>-XWETEXT = 1.
<RECP_OI_DOC_BE_DETAIL>-SINSTBEZ = 1.
<RECP_OI_DOC_BE_DETAIL>-SVERKEHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECP_OI_DOC_BE_DETAIL-SLAGEWE, sy-vline,
  WA_RECP_OI_DOC_BE_DETAIL-SOBJLAGE, sy-vline,
  WA_RECP_OI_DOC_BE_DETAIL-RLRA, sy-vline,
  WA_RECP_OI_DOC_BE_DETAIL-WAERS, sy-vline,
  WA_RECP_OI_DOC_BE_DETAIL-FEINS, sy-vline,
  WA_RECP_OI_DOC_BE_DETAIL-REINS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECP_OI_DOC_BE_DETAIL 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_RECP_OI_DOC_BE_DETAIL 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_RECP_OI_DOC_BE_DETAIL INTO WA_RECP_OI_DOC_BE_DETAIL.


*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 SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_RECP_OI_DOC_BE_DETAIL-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_OI_DOC_BE_DETAIL-SWENR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECP_OI_DOC_BE_DETAIL-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_OI_DOC_BE_DETAIL-PRCTR.
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_RECP_OI_DOC_BE_DETAIL_STR, 
BUKRS TYPE STRING,
SWENR TYPE STRING,
XWETEXT TYPE STRING,
SINSTBEZ TYPE STRING,
SVERKEHR TYPE STRING,
SLAGEWE TYPE STRING,
SOBJLAGE TYPE STRING,
RLRA TYPE STRING,
WAERS TYPE STRING,
FEINS TYPE STRING,
REINS TYPE STRING,
VVLEN TYPE STRING,
SMIETR TYPE STRING,
VORBK TYPE STRING,
VORHK TYPE STRING,
SSTDORT TYPE STRING,
TXJCD TYPE STRING,
XNOTPL TYPE STRING,
NEIGHBORH1 TYPE STRING,
NEIGHBORH2 TYPE STRING,
NEIGHBORH3 TYPE STRING,
XINSTBEZM TYPE STRING,
XVERKEHR TYPE STRING,
XOBJLAGE TYPE STRING,
XSTDORT TYPE STRING,
XLAGEWE TYPE STRING,
XRLRA TYPE STRING,
XWAERSISOCD TYPE STRING,
XWAERS TYPE STRING,
XLEINS TYPE STRING,
XFEINS TYPE STRING,
XREINS TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
XMIETR TYPE STRING,
XABRTXTBK TYPE STRING,
XABRTXTHK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_OI_DOC_BE_DETAIL_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_RECP_OI_DOC_BE_DETAIL_STR-BUKRS sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-SWENR sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XWETEXT sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-SINSTBEZ sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-SVERKEHR sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-SLAGEWE sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-SOBJLAGE sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-RLRA sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-WAERS sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-FEINS sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-REINS sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-VVLEN sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-SMIETR sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-VORBK sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-VORHK sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-SSTDORT sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-TXJCD sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XNOTPL sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-NEIGHBORH1 sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-NEIGHBORH2 sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-NEIGHBORH3 sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XINSTBEZM sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XVERKEHR sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XOBJLAGE sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XSTDORT sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XLAGEWE sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XRLRA sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XWAERSISOCD sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XWAERS sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XLEINS sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XFEINS sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XREINS sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-GSBER sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-PRCTR sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XMIETR sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XABRTXTBK sy-vline 
WA_RECP_OI_DOC_BE_DETAIL_STR-XABRTXTHK sy-vline      INTO ld_text SEPARATED BY SPACE.

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