ABAP Select data from SAP table RECP_OI_DOC_AO_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_AO_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_AO_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_AO_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_AO_DETAIL TYPE STANDARD TABLE OF RECP_OI_DOC_AO_DETAIL,
      WA_RECP_OI_DOC_AO_DETAIL TYPE RECP_OI_DOC_AO_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_AO_DETAIL> TYPE RECP_OI_DOC_AO_DETAIL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_OI_DOC_AO_DETAIL
*  INTO TABLE @DATA(IT_RECP_OI_DOC_AO_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_AO_DETAIL INDEX 1 INTO DATA(WA_RECP_OI_DOC_AO_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECP_OI_DOC_AO_DETAIL>-AOID = 1.
<RECP_OI_DOC_AO_DETAIL>-AOTYPE = 1.
<RECP_OI_DOC_AO_DETAIL>-XMAOTYPE = 1.
<RECP_OI_DOC_AO_DETAIL>-AONR = 1.
<RECP_OI_DOC_AO_DETAIL>-REALVALIDFROM = 1.

ENDLOOP.

LOOP AT IT_RECP_OI_DOC_AO_DETAIL INTO WA_RECP_OI_DOC_AO_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_AO_DETAIL-REALVALIDTO, sy-vline,
  WA_RECP_OI_DOC_AO_DETAIL-PARTSEPARATOR, sy-vline,
  WA_RECP_OI_DOC_AO_DETAIL-PARTAOID, sy-vline,
  WA_RECP_OI_DOC_AO_DETAIL-XAO, sy-vline,
  WA_RECP_OI_DOC_AO_DETAIL-AOFUNCTION, sy-vline,
  WA_RECP_OI_DOC_AO_DETAIL-XMAOFUNCTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECP_OI_DOC_AO_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_AO_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_AO_DETAIL INTO WA_RECP_OI_DOC_AO_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 REDAT, internal->external for field REALVALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RECP_OI_DOC_AO_DETAIL-REALVALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_OI_DOC_AO_DETAIL-REALVALIDTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AOFUNCTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECP_OI_DOC_AO_DETAIL-AOFUNCTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_OI_DOC_AO_DETAIL-AOFUNCTION.
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_AO_DETAIL_STR, 
AOID TYPE STRING,
AOTYPE TYPE STRING,
XMAOTYPE TYPE STRING,
AONR TYPE STRING,
REALVALIDFROM TYPE STRING,
REALVALIDTO TYPE STRING,
PARTSEPARATOR TYPE STRING,
PARTAOID TYPE STRING,
XAO TYPE STRING,
AOFUNCTION TYPE STRING,
XMAOFUNCTION TYPE STRING,
USAGECOMMON TYPE STRING,
XUSAGECOMMON TYPE STRING,
LASTRENO TYPE STRING,
MEASSTRC TYPE STRING,
XMMEASSTRC TYPE STRING,
DOORPLT TYPE STRING,
SINSTBEZ TYPE STRING,
XINSTBEZM TYPE STRING,
SVERKEHR TYPE STRING,
XVERKEHR TYPE STRING,
SLAGEWE TYPE STRING,
XLAGEWEM TYPE STRING,
SOBJLAGE TYPE STRING,
XOBJLAGE TYPE STRING,
RGRNART TYPE STRING,
XGRNART TYPE STRING,
RBEPLAN TYPE STRING,
DBEPLAN TYPE STRING,
RNBPLAN TYPE STRING,
RNBPLANMBZ TYPE STRING,
XNUTZGRU TYPE STRING,
SUNUTZA TYPE STRING,
XUNART TYPE STRING,
JUNUTZA TYPE STRING,
NZGRZ TYPE STRING,
NZGFZ TYPE STRING,
NZBMZ TYPE STRING,
NTGRZ TYPE STRING,
NTGFZ TYPE STRING,
NTBMZ TYPE STRING,
SGRART TYPE STRING,
XGRART TYPE STRING,
SGRQAL TYPE STRING,
XGRQAL TYPE STRING,
SGRFRM TYPE STRING,
XGRFRM TYPE STRING,
SGRGZS TYPE STRING,
XGRGZS TYPE STRING,
JERBBAU TYPE STRING,
XLJERBBAU TYPE STRING,
ZULBAUH TYPE STRING,
RGEBART TYPE STRING,
XOBJARTM TYPE STRING,
RGEBZUST TYPE STRING,
XGEBZUST TYPE STRING,
YBAUJAHR TYPE STRING,
JNURJAHR TYPE STRING,
YMODERN TYPE STRING,
YAUFBAU TYPE STRING,
DBAUBEGI TYPE STRING,
DBAUVOR TYPE STRING,
DVORBES TYPE STRING,
DANTBAU TYPE STRING,
DBAUGENE TYPE STRING,
XBAUGENE TYPE STRING,
DFERTIG TYPE STRING,
DSCHLUSS TYPE STRING,
DBEZUGSF TYPE STRING,
JDENKMAL TYPE STRING,
DFRDVON TYPE STRING,
DFRDBIS TYPE STRING,
BANZGE TYPE STRING,
AUGESCH TYPE STRING,
SSTCKBIS TYPE STRING,
XSTOCKO TYPE STRING,
SLIFTBIS TYPE STRING,
XSTOCKL TYPE STRING,
NSTCKLFT TYPE STRING,
ISROOT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_OI_DOC_AO_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_AO_DETAIL_STR-AOID sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-AOTYPE sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XMAOTYPE sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-AONR sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-REALVALIDFROM sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-REALVALIDTO sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-PARTSEPARATOR sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-PARTAOID sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XAO sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-AOFUNCTION sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XMAOFUNCTION sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-USAGECOMMON sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XUSAGECOMMON sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-LASTRENO sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-MEASSTRC sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XMMEASSTRC sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DOORPLT sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SINSTBEZ sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XINSTBEZM sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SVERKEHR sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XVERKEHR sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SLAGEWE sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XLAGEWEM sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SOBJLAGE sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XOBJLAGE sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-RGRNART sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XGRNART sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-RBEPLAN sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DBEPLAN sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-RNBPLAN sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-RNBPLANMBZ sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XNUTZGRU sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SUNUTZA sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XUNART sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-JUNUTZA sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-NZGRZ sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-NZGFZ sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-NZBMZ sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-NTGRZ sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-NTGFZ sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-NTBMZ sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SGRART sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XGRART sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SGRQAL sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XGRQAL sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SGRFRM sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XGRFRM sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SGRGZS sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XGRGZS sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-JERBBAU sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XLJERBBAU sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-ZULBAUH sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-RGEBART sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XOBJARTM sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-RGEBZUST sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XGEBZUST sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-YBAUJAHR sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-JNURJAHR sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-YMODERN sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-YAUFBAU sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DBAUBEGI sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DBAUVOR sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DVORBES sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DANTBAU sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DBAUGENE sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XBAUGENE sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DFERTIG sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DSCHLUSS sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DBEZUGSF sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-JDENKMAL sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DFRDVON sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-DFRDBIS sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-BANZGE sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-AUGESCH sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SSTCKBIS sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XSTOCKO sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-SLIFTBIS sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-XSTOCKL sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-NSTCKLFT sy-vline 
WA_RECP_OI_DOC_AO_DETAIL_STR-ISROOT sy-vline      INTO ld_text SEPARATED BY SPACE.

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