ABAP Select data from SAP table P08_MR2_07 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P08_MR2_07 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 P08_MR2_07. 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 P08_MR2_07 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_P08_MR2_07 TYPE STANDARD TABLE OF P08_MR2_07,
      WA_P08_MR2_07 TYPE P08_MR2_07,
      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: <P08_MR2_07> TYPE P08_MR2_07.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P08_MR2_07.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P08_MR2_07
  INTO TABLE IT_P08_MR2_07.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P08_MR2_07
*  INTO TABLE @DATA(IT_P08_MR2_072).
*--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_P08_MR2_07 INDEX 1 INTO DATA(WA_P08_MR2_072).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P08_MR2_07 ASSIGNING <P08_MR2_07>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P08_MR2_07>-ID2 = 1.
<P08_MR2_07>-WTEXT = 1.
<P08_MR2_07>-NACHN = 1.
<P08_MR2_07>-VORNA = 1.
<P08_MR2_07>-MIDNM = 1.

ENDLOOP.

LOOP AT IT_P08_MR2_07 INTO WA_P08_MR2_07.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P08_MR2_07-GBDAT, sy-vline,
  WA_P08_MR2_07-GESCH, sy-vline,
  WA_P08_MR2_07-LINE0, sy-vline,
  WA_P08_MR2_07-LINE1, sy-vline,
  WA_P08_MR2_07-LINE2, sy-vline,
  WA_P08_MR2_07-PSTLZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P08_MR2_07 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_P08_MR2_07 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_P08_MR2_07 INTO WA_P08_MR2_07.


*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_P08_MR2_07_STR, 
ID2 TYPE STRING,
WTEXT TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
MIDNM TYPE STRING,
GBDAT TYPE STRING,
GESCH TYPE STRING,
LINE0 TYPE STRING,
LINE1 TYPE STRING,
LINE2 TYPE STRING,
PSTLZ TYPE STRING,
SVRAT TYPE STRING,
TXCOD TYPE STRING,
M1W1I TYPE STRING,
PERID TYPE STRING,
SP08 TYPE STRING,
N1 TYPE STRING,
NICAT TYPE STRING,
AMTTOLEL TYPE STRING,
AMTLELEET TYPE STRING,
AMTERTUEL TYPE STRING,
EEERS TYPE STRING,
NIREF TYPE STRING,
EENIC TYPE STRING,
PSCON TYPE STRING,
SP03 TYPE STRING,
SSPBT TYPE STRING,
SMPBT TYPE STRING,
SPPBT TYPE STRING,
SAPBT TYPE STRING,
C_TAX TYPE STRING,
TREFI TYPE STRING,
P_EARN TYPE STRING,
P_TAX TYPE STRING,
STARTD TYPE STRING,
LEAVED TYPE STRING,
WIDOR TYPE STRING,
SLOAN TYPE STRING,
WEEK53 TYPE STRING,
C_EARN TYPE STRING,
N2 TYPE STRING,
NICAT TYPE STRING,
AMTTOLEL TYPE STRING,
AMTLELEET TYPE STRING,
AMTERTUEL TYPE STRING,
EEERS TYPE STRING,
NIREF TYPE STRING,
EENIC TYPE STRING,
PSCON TYPE STRING,
SP01 TYPE STRING,
N3 TYPE STRING,
NICAT TYPE STRING,
AMTTOLEL TYPE STRING,
AMTLELEET TYPE STRING,
AMTERTUEL TYPE STRING,
EEERS TYPE STRING,
NIREF TYPE STRING,
EENIC TYPE STRING,
PSCON TYPE STRING,
SPARE03 TYPE STRING,
N4 TYPE STRING,
NICAT TYPE STRING,
AMTTOLEL TYPE STRING,
AMTLELEET TYPE STRING,
AMTERTUEL TYPE STRING,
EEERS TYPE STRING,
NIREF TYPE STRING,
EENIC TYPE STRING,
PSCON TYPE STRING,
SP04 TYPE STRING,
CTRL2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P08_MR2_07_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_P08_MR2_07_STR-ID2 sy-vline 
WA_P08_MR2_07_STR-WTEXT sy-vline 
WA_P08_MR2_07_STR-NACHN sy-vline 
WA_P08_MR2_07_STR-VORNA sy-vline 
WA_P08_MR2_07_STR-MIDNM sy-vline 
WA_P08_MR2_07_STR-GBDAT sy-vline 
WA_P08_MR2_07_STR-GESCH sy-vline 
WA_P08_MR2_07_STR-LINE0 sy-vline 
WA_P08_MR2_07_STR-LINE1 sy-vline 
WA_P08_MR2_07_STR-LINE2 sy-vline 
WA_P08_MR2_07_STR-PSTLZ sy-vline 
WA_P08_MR2_07_STR-SVRAT sy-vline 
WA_P08_MR2_07_STR-TXCOD sy-vline 
WA_P08_MR2_07_STR-M1W1I sy-vline 
WA_P08_MR2_07_STR-PERID sy-vline 
WA_P08_MR2_07_STR-SP08 sy-vline 
WA_P08_MR2_07_STR-N1 sy-vline 
WA_P08_MR2_07_STR-NICAT sy-vline 
WA_P08_MR2_07_STR-AMTTOLEL sy-vline 
WA_P08_MR2_07_STR-AMTLELEET sy-vline 
WA_P08_MR2_07_STR-AMTERTUEL sy-vline 
WA_P08_MR2_07_STR-EEERS sy-vline 
WA_P08_MR2_07_STR-NIREF sy-vline 
WA_P08_MR2_07_STR-EENIC sy-vline 
WA_P08_MR2_07_STR-PSCON sy-vline 
WA_P08_MR2_07_STR-SP03 sy-vline 
WA_P08_MR2_07_STR-SSPBT sy-vline 
WA_P08_MR2_07_STR-SMPBT sy-vline 
WA_P08_MR2_07_STR-SPPBT sy-vline 
WA_P08_MR2_07_STR-SAPBT sy-vline 
WA_P08_MR2_07_STR-C_TAX sy-vline 
WA_P08_MR2_07_STR-TREFI sy-vline 
WA_P08_MR2_07_STR-P_EARN sy-vline 
WA_P08_MR2_07_STR-P_TAX sy-vline 
WA_P08_MR2_07_STR-STARTD sy-vline 
WA_P08_MR2_07_STR-LEAVED sy-vline 
WA_P08_MR2_07_STR-WIDOR sy-vline 
WA_P08_MR2_07_STR-SLOAN sy-vline 
WA_P08_MR2_07_STR-WEEK53 sy-vline 
WA_P08_MR2_07_STR-C_EARN sy-vline 
WA_P08_MR2_07_STR-N2 sy-vline 
WA_P08_MR2_07_STR-NICAT sy-vline 
WA_P08_MR2_07_STR-AMTTOLEL sy-vline 
WA_P08_MR2_07_STR-AMTLELEET sy-vline 
WA_P08_MR2_07_STR-AMTERTUEL sy-vline 
WA_P08_MR2_07_STR-EEERS sy-vline 
WA_P08_MR2_07_STR-NIREF sy-vline 
WA_P08_MR2_07_STR-EENIC sy-vline 
WA_P08_MR2_07_STR-PSCON sy-vline 
WA_P08_MR2_07_STR-SP01 sy-vline 
WA_P08_MR2_07_STR-N3 sy-vline 
WA_P08_MR2_07_STR-NICAT sy-vline 
WA_P08_MR2_07_STR-AMTTOLEL sy-vline 
WA_P08_MR2_07_STR-AMTLELEET sy-vline 
WA_P08_MR2_07_STR-AMTERTUEL sy-vline 
WA_P08_MR2_07_STR-EEERS sy-vline 
WA_P08_MR2_07_STR-NIREF sy-vline 
WA_P08_MR2_07_STR-EENIC sy-vline 
WA_P08_MR2_07_STR-PSCON sy-vline 
WA_P08_MR2_07_STR-SPARE03 sy-vline 
WA_P08_MR2_07_STR-N4 sy-vline 
WA_P08_MR2_07_STR-NICAT sy-vline 
WA_P08_MR2_07_STR-AMTTOLEL sy-vline 
WA_P08_MR2_07_STR-AMTLELEET sy-vline 
WA_P08_MR2_07_STR-AMTERTUEL sy-vline 
WA_P08_MR2_07_STR-EEERS sy-vline 
WA_P08_MR2_07_STR-NIREF sy-vline 
WA_P08_MR2_07_STR-EENIC sy-vline 
WA_P08_MR2_07_STR-PSCON sy-vline 
WA_P08_MR2_07_STR-SP04 sy-vline 
WA_P08_MR2_07_STR-CTRL2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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