ABAP Select data from SAP table RN1ME_MD_X_N1FOFILLSAB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RN1ME_MD_X_N1FOFILLSAB 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 RN1ME_MD_X_N1FOFILLSAB. 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 RN1ME_MD_X_N1FOFILLSAB 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_RN1ME_MD_X_N1FOFILLSAB TYPE STANDARD TABLE OF RN1ME_MD_X_N1FOFILLSAB,
      WA_RN1ME_MD_X_N1FOFILLSAB TYPE RN1ME_MD_X_N1FOFILLSAB,
      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: <RN1ME_MD_X_N1FOFILLSAB> TYPE RN1ME_MD_X_N1FOFILLSAB.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RN1ME_MD_X_N1FOFILLSAB.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RN1ME_MD_X_N1FOFILLSAB
  INTO TABLE IT_RN1ME_MD_X_N1FOFILLSAB.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RN1ME_MD_X_N1FOFILLSAB
*  INTO TABLE @DATA(IT_RN1ME_MD_X_N1FOFILLSAB2).
*--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_RN1ME_MD_X_N1FOFILLSAB INDEX 1 INTO DATA(WA_RN1ME_MD_X_N1FOFILLSAB2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RN1ME_MD_X_N1FOFILLSAB ASSIGNING <RN1ME_MD_X_N1FOFILLSAB>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RN1ME_MD_X_N1FOFILLSAB>-MANDT = 1.
<RN1ME_MD_X_N1FOFILLSAB>-FSDAID = 1.
<RN1ME_MD_X_N1FOFILLSAB>-SUPDRUGID = 1.
<RN1ME_MD_X_N1FOFILLSAB>-SUPDRUGID_X = 1.
<RN1ME_MD_X_N1FOFILLSAB>-FSOURCE = 1.

ENDLOOP.

LOOP AT IT_RN1ME_MD_X_N1FOFILLSAB INTO WA_RN1ME_MD_X_N1FOFILLSAB.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RN1ME_MD_X_N1FOFILLSAB-FSOURCE_X, sy-vline,
  WA_RN1ME_MD_X_N1FOFILLSAB-INFDRUGID, sy-vline,
  WA_RN1ME_MD_X_N1FOFILLSAB-INFDRUGID_X, sy-vline,
  WA_RN1ME_MD_X_N1FOFILLSAB-STARTDAT, sy-vline,
  WA_RN1ME_MD_X_N1FOFILLSAB-STARTDAT_X, sy-vline,
  WA_RN1ME_MD_X_N1FOFILLSAB-STARTTIM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RN1ME_MD_X_N1FOFILLSAB 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_RN1ME_MD_X_N1FOFILLSAB 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_RN1ME_MD_X_N1FOFILLSAB INTO WA_RN1ME_MD_X_N1FOFILLSAB.


*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_RN1ME_MD_X_N1FOFILLSAB_STR, 
MANDT TYPE STRING,
FSDAID TYPE STRING,
SUPDRUGID TYPE STRING,
SUPDRUGID_X TYPE STRING,
FSOURCE TYPE STRING,
FSOURCE_X TYPE STRING,
INFDRUGID TYPE STRING,
INFDRUGID_X TYPE STRING,
STARTDAT TYPE STRING,
STARTDAT_X TYPE STRING,
STARTTIM TYPE STRING,
STARTTIM_X TYPE STRING,
ENDDAT TYPE STRING,
ENDDAT_X TYPE STRING,
ENDTIM TYPE STRING,
ENDTIM_X TYPE STRING,
FIXEDEND TYPE STRING,
FIXEDEND_X TYPE STRING,
LOEKZ TYPE STRING,
LOEKZ_X TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RN1ME_MD_X_N1FOFILLSAB_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_RN1ME_MD_X_N1FOFILLSAB_STR-MANDT sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-FSDAID sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-SUPDRUGID sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-SUPDRUGID_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-FSOURCE sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-FSOURCE_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-INFDRUGID sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-INFDRUGID_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-STARTDAT sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-STARTDAT_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-STARTTIM sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-STARTTIM_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-ENDDAT sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-ENDDAT_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-ENDTIM sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-ENDTIM_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-FIXEDEND sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-FIXEDEND_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-LOEKZ sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-LOEKZ_X sy-vline 
WA_RN1ME_MD_X_N1FOFILLSAB_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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