ABAP Select data from SAP table RECPOIOBJ 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 RECPOIOBJ 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 RECPOIOBJ. 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 RECPOIOBJ 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_RECPOIOBJ TYPE STANDARD TABLE OF RECPOIOBJ,
      WA_RECPOIOBJ TYPE RECPOIOBJ,
      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: <RECPOIOBJ> TYPE RECPOIOBJ.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECPOIOBJ
*  INTO TABLE @DATA(IT_RECPOIOBJ2).
*--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_RECPOIOBJ INDEX 1 INTO DATA(WA_RECPOIOBJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECPOIOBJ>-OBART = 1.
<RECPOIOBJ>-OBJNR = 1.
<RECPOIOBJ>-OBJID = 1.
<RECPOIOBJ>-OBJTXT = 1.
<RECPOIOBJ>-OBJINFO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECPOIOBJ-DATGAB, sy-vline,
  WA_RECPOIOBJ-DATBIS, sy-vline,
  WA_RECPOIOBJ-LAND1OBJ, sy-vline,
  WA_RECPOIOBJ-PSTLZOBJ, sy-vline,
  WA_RECPOIOBJ-ORT01OBJ, sy-vline,
  WA_RECPOIOBJ-ORT02OBJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECPOIOBJ 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_RECPOIOBJ 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_RECPOIOBJ INTO WA_RECPOIOBJ.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_RECPOIOBJ_STR, 
OBART TYPE STRING,
OBJNR TYPE STRING,
OBJID TYPE STRING,
OBJTXT TYPE STRING,
OBJINFO TYPE STRING,
DATGAB TYPE STRING,
DATBIS TYPE STRING,
LAND1OBJ TYPE STRING,
PSTLZOBJ TYPE STRING,
ORT01OBJ TYPE STRING,
ORT02OBJ TYPE STRING,
PSTBZOBJ TYPE STRING,
STRASOBJ TYPE STRING,
STRA1OBJ TYPE STRING,
REGIOOBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECPOIOBJ_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_RECPOIOBJ_STR-OBART sy-vline 
WA_RECPOIOBJ_STR-OBJNR sy-vline 
WA_RECPOIOBJ_STR-OBJID sy-vline 
WA_RECPOIOBJ_STR-OBJTXT sy-vline 
WA_RECPOIOBJ_STR-OBJINFO sy-vline 
WA_RECPOIOBJ_STR-DATGAB sy-vline 
WA_RECPOIOBJ_STR-DATBIS sy-vline 
WA_RECPOIOBJ_STR-LAND1OBJ sy-vline 
WA_RECPOIOBJ_STR-PSTLZOBJ sy-vline 
WA_RECPOIOBJ_STR-ORT01OBJ sy-vline 
WA_RECPOIOBJ_STR-ORT02OBJ sy-vline 
WA_RECPOIOBJ_STR-PSTBZOBJ sy-vline 
WA_RECPOIOBJ_STR-STRASOBJ sy-vline 
WA_RECPOIOBJ_STR-STRA1OBJ sy-vline 
WA_RECPOIOBJ_STR-REGIOOBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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