ABAP Select data from SAP table RPBENIDOC_DOCUMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPBENIDOC_DOCUMENT
*  INTO TABLE @DATA(IT_RPBENIDOC_DOCUMENT2).
*--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_RPBENIDOC_DOCUMENT INDEX 1 INTO DATA(WA_RPBENIDOC_DOCUMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPBENIDOC_DOCUMENT>-PERNR = 1.
<RPBENIDOC_DOCUMENT>-SUBTY = 1.
<RPBENIDOC_DOCUMENT>-OBJPS = 1.
<RPBENIDOC_DOCUMENT>-D_SUBTY = 1.
<RPBENIDOC_DOCUMENT>-D_OBJPS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPBENIDOC_DOCUMENT-BDATE, sy-vline,
  WA_RPBENIDOC_DOCUMENT-BTIME, sy-vline,
  WA_RPBENIDOC_DOCUMENT-BSEQNR, sy-vline,
  WA_RPBENIDOC_DOCUMENT-D_MNTTY, sy-vline,
  WA_RPBENIDOC_DOCUMENT-D_MNTRS, sy-vline,
  WA_RPBENIDOC_DOCUMENT-MNTTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPBENIDOC_DOCUMENT 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_RPBENIDOC_DOCUMENT 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_RPBENIDOC_DOCUMENT INTO WA_RPBENIDOC_DOCUMENT.


*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_RPBENIDOC_DOCUMENT_STR, 
PERNR TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
D_SUBTY TYPE STRING,
D_OBJPS TYPE STRING,
BDATE TYPE STRING,
BTIME TYPE STRING,
BSEQNR TYPE STRING,
D_MNTTY TYPE STRING,
D_MNTRS TYPE STRING,
MNTTY TYPE STRING,
INFTY TYPE STRING,
INFTYREC TYPE STRING,
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
DATA1 TYPE STRING,
DATA2 TYPE STRING,
DATA3 TYPE STRING,
DATA4 TYPE STRING,
DATA5 TYPE STRING,
DATA6 TYPE STRING,
DATA7 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPBENIDOC_DOCUMENT_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_RPBENIDOC_DOCUMENT_STR-PERNR sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-SUBTY sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-OBJPS sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-D_SUBTY sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-D_OBJPS sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-BDATE sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-BTIME sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-BSEQNR sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-D_MNTTY sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-D_MNTRS sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-MNTTY sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-INFTY sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-INFTYREC sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-PERNR sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-INFTY sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-SUBTY sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-OBJPS sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-SPRPS sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-ENDDA sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-BEGDA sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-SEQNR sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-AEDTM sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-UNAME sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-HISTO sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-ITXEX sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-REFEX sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-ORDEX sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-ITBLD sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-PREAS sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-FLAG1 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-FLAG2 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-FLAG3 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-FLAG4 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-RESE1 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-RESE2 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-GRPVL sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-DATA1 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-DATA2 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-DATA3 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-DATA4 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-DATA5 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-DATA6 sy-vline 
WA_RPBENIDOC_DOCUMENT_STR-DATA7 sy-vline      INTO ld_text SEPARATED BY SPACE.

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