ABAP Select data from SAP table RECP_SR_MSBCALCRULE_C into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_SR_MSBCALCRULE_C
*  INTO TABLE @DATA(IT_RECP_SR_MSBCALCRULE_C2).
*--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_RECP_SR_MSBCALCRULE_C INDEX 1 INTO DATA(WA_RECP_SR_MSBCALCRULE_C2).


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

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

ENDLOOP.

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

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


*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_RECP_SR_MSBCALCRULE_C-MSBTERMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_SR_MSBCALCRULE_C-MSBTERMNO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field RPTERMNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECP_SR_MSBCALCRULE_C-RPTERMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_SR_MSBCALCRULE_C-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_RECP_SR_MSBCALCRULE_C_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,
ASSIGNFROM TYPE STRING,
ASSIGNTO TYPE STRING,
CUKY2ND TYPE STRING,
MINRENT_2ND TYPE STRING,
MAXRENT_2ND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_SR_MSBCALCRULE_C_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_RECP_SR_MSBCALCRULE_C_STR-MANDT sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-INTRENO sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-MSBTERMNO sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-MSBVALIDFROM sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-SBTERMTYPE sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-SBTERMNO sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-RPTERMNO sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-CURRENCY sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-PERCENT sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-MINRENT sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-MAXRENT sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-ASSIGNFROM sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-ASSIGNTO sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-CUKY2ND sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-MINRENT_2ND sy-vline 
WA_RECP_SR_MSBCALCRULE_C_STR-MAXRENT_2ND sy-vline      INTO ld_text SEPARATED BY SPACE.

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