ABAP Select data from SAP table RESRTMMSBSB_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RESRTMMSBSB_S
*  INTO TABLE @DATA(IT_RESRTMMSBSB_S2).
*--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_RESRTMMSBSB_S INDEX 1 INTO DATA(WA_RESRTMMSBSB_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RESRTMMSBSB_S>-MANDT = 1.
<RESRTMMSBSB_S>-INTRENO = 1.
<RESRTMMSBSB_S>-MSBTERMNO = 1.
<RESRTMMSBSB_S>-MSBVALIDFROM = 1.
<RESRTMMSBSB_S>-SBTERMTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RESRTMMSBSB_S-SBTERMNO, sy-vline,
  WA_RESRTMMSBSB_S-RPTERMNO, sy-vline,
  WA_RESRTMMSBSB_S-CURRENCY, sy-vline,
  WA_RESRTMMSBSB_S-PERCENT, sy-vline,
  WA_RESRTMMSBSB_S-MINRENT, sy-vline,
  WA_RESRTMMSBSB_S-MAXRENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RESRTMMSBSB_S 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_RESRTMMSBSB_S 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_RESRTMMSBSB_S INTO WA_RESRTMMSBSB_S.


*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 ALPHA, internal->external for field MSBTERMNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RESRTMMSBSB_S-MSBTERMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESRTMMSBSB_S-MSBTERMNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SBTERMNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RESRTMMSBSB_S-SBTERMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESRTMMSBSB_S-SBTERMNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RPTERMNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RESRTMMSBSB_S-RPTERMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESRTMMSBSB_S-RPTERMNO.
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_RESRTMMSBSB_S_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
MSBTERMNO TYPE STRING,
MSBVALIDFROM TYPE STRING,
SBTERMTYPE TYPE STRING,
SBTERMNO TYPE STRING,
RPTERMNO TYPE STRING,
CURRENCY TYPE STRING,
PERCENT TYPE STRING,
MINRENT TYPE STRING,
MAXRENT TYPE STRING,
SBXTERM TYPE STRING,
RPXTERM TYPE STRING,
DROP_DOWN_HANDLE TYPE STRING,
CHANGEICON TYPE STRING,
CREATEICON TYPE STRING,
RPCHANGEICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RESRTMMSBSB_S_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_RESRTMMSBSB_S_STR-MANDT sy-vline 
WA_RESRTMMSBSB_S_STR-INTRENO sy-vline 
WA_RESRTMMSBSB_S_STR-MSBTERMNO sy-vline 
WA_RESRTMMSBSB_S_STR-MSBVALIDFROM sy-vline 
WA_RESRTMMSBSB_S_STR-SBTERMTYPE sy-vline 
WA_RESRTMMSBSB_S_STR-SBTERMNO sy-vline 
WA_RESRTMMSBSB_S_STR-RPTERMNO sy-vline 
WA_RESRTMMSBSB_S_STR-CURRENCY sy-vline 
WA_RESRTMMSBSB_S_STR-PERCENT sy-vline 
WA_RESRTMMSBSB_S_STR-MINRENT sy-vline 
WA_RESRTMMSBSB_S_STR-MAXRENT sy-vline 
WA_RESRTMMSBSB_S_STR-SBXTERM sy-vline 
WA_RESRTMMSBSB_S_STR-RPXTERM sy-vline 
WA_RESRTMMSBSB_S_STR-DROP_DOWN_HANDLE sy-vline 
WA_RESRTMMSBSB_S_STR-CHANGEICON sy-vline 
WA_RESRTMMSBSB_S_STR-CREATEICON sy-vline 
WA_RESRTMMSBSB_S_STR-RPCHANGEICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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