ABAP Select data from SAP table RHB_MASSFIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RHB_MASSFIN
*  INTO TABLE @DATA(IT_RHB_MASSFIN2).
*--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_RHB_MASSFIN INDEX 1 INTO DATA(WA_RHB_MASSFIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RHB_MASSFIN>-OTYPE_REC_S = 1.
<RHB_MASSFIN>-OBJID_REC_S = 1.
<RHB_MASSFIN>-SHORT_REC_S = 1.
<RHB_MASSFIN>-STEXT_REC_S = 1.
<RHB_MASSFIN>-OTEXT_REC_S = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RHB_MASSFIN-OTYPE_REC_P, sy-vline,
  WA_RHB_MASSFIN-OBJID_REC_P, sy-vline,
  WA_RHB_MASSFIN-SHORT_REC_P, sy-vline,
  WA_RHB_MASSFIN-STEXT_REC_P, sy-vline,
  WA_RHB_MASSFIN-OTEXT_REC_P, sy-vline,
  WA_RHB_MASSFIN-AUSART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RHB_MASSFIN 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_RHB_MASSFIN 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_RHB_MASSFIN INTO WA_RHB_MASSFIN.


*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 GJAHR, internal->external for field FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RHB_MASSFIN-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RHB_MASSFIN-FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_RHB_MASSFIN-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RHB_MASSFIN-FIPEX.
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_RHB_MASSFIN_STR, 
OTYPE_REC_S TYPE STRING,
OBJID_REC_S TYPE STRING,
SHORT_REC_S TYPE STRING,
STEXT_REC_S TYPE STRING,
OTEXT_REC_S TYPE STRING,
OTYPE_REC_P TYPE STRING,
OBJID_REC_P TYPE STRING,
SHORT_REC_P TYPE STRING,
STEXT_REC_P TYPE STRING,
OTEXT_REC_P TYPE STRING,
AUSART TYPE STRING,
AUSART_TEXT TYPE STRING,
BETRG_REC TYPE STRING,
CURCY_REC TYPE STRING,
AMNT_REC TYPE STRING,
BUGRU_REC TYPE STRING,
PERIOD_REC TYPE STRING,
OTYPE_SEN TYPE STRING,
OBJID_SEN TYPE STRING,
SHORT_SEN TYPE STRING,
STEXT_SEN TYPE STRING,
OTEXT_SEN TYPE STRING,
SEARK_SEN TYPE STRING,
BUTYP TYPE STRING,
BUTYP_TEXT TYPE STRING,
FIKRS TYPE STRING,
FYEAR TYPE STRING,
GEBER TYPE STRING,
FISTL TYPE STRING,
FIPEX TYPE STRING,
BETRG_SEN TYPE STRING,
CURCY_SEN TYPE STRING,
AMNT_SEN TYPE STRING,
BUGRU_SEN TYPE STRING,
BEGDA_SEN TYPE STRING,
ENDDA_SEN TYPE STRING,
IN TYPE STRING,
NEW TYPE STRING,
IN_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RHB_MASSFIN_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_RHB_MASSFIN_STR-OTYPE_REC_S sy-vline 
WA_RHB_MASSFIN_STR-OBJID_REC_S sy-vline 
WA_RHB_MASSFIN_STR-SHORT_REC_S sy-vline 
WA_RHB_MASSFIN_STR-STEXT_REC_S sy-vline 
WA_RHB_MASSFIN_STR-OTEXT_REC_S sy-vline 
WA_RHB_MASSFIN_STR-OTYPE_REC_P sy-vline 
WA_RHB_MASSFIN_STR-OBJID_REC_P sy-vline 
WA_RHB_MASSFIN_STR-SHORT_REC_P sy-vline 
WA_RHB_MASSFIN_STR-STEXT_REC_P sy-vline 
WA_RHB_MASSFIN_STR-OTEXT_REC_P sy-vline 
WA_RHB_MASSFIN_STR-AUSART sy-vline 
WA_RHB_MASSFIN_STR-AUSART_TEXT sy-vline 
WA_RHB_MASSFIN_STR-BETRG_REC sy-vline 
WA_RHB_MASSFIN_STR-CURCY_REC sy-vline 
WA_RHB_MASSFIN_STR-AMNT_REC sy-vline 
WA_RHB_MASSFIN_STR-BUGRU_REC sy-vline 
WA_RHB_MASSFIN_STR-PERIOD_REC sy-vline 
WA_RHB_MASSFIN_STR-OTYPE_SEN sy-vline 
WA_RHB_MASSFIN_STR-OBJID_SEN sy-vline 
WA_RHB_MASSFIN_STR-SHORT_SEN sy-vline 
WA_RHB_MASSFIN_STR-STEXT_SEN sy-vline 
WA_RHB_MASSFIN_STR-OTEXT_SEN sy-vline 
WA_RHB_MASSFIN_STR-SEARK_SEN sy-vline 
WA_RHB_MASSFIN_STR-BUTYP sy-vline 
WA_RHB_MASSFIN_STR-BUTYP_TEXT sy-vline 
WA_RHB_MASSFIN_STR-FIKRS sy-vline 
WA_RHB_MASSFIN_STR-FYEAR sy-vline 
WA_RHB_MASSFIN_STR-GEBER sy-vline 
WA_RHB_MASSFIN_STR-FISTL sy-vline 
WA_RHB_MASSFIN_STR-FIPEX sy-vline 
WA_RHB_MASSFIN_STR-BETRG_SEN sy-vline 
WA_RHB_MASSFIN_STR-CURCY_SEN sy-vline 
WA_RHB_MASSFIN_STR-AMNT_SEN sy-vline 
WA_RHB_MASSFIN_STR-BUGRU_SEN sy-vline 
WA_RHB_MASSFIN_STR-BEGDA_SEN sy-vline 
WA_RHB_MASSFIN_STR-ENDDA_SEN sy-vline 
WA_RHB_MASSFIN_STR-IN sy-vline 
WA_RHB_MASSFIN_STR-NEW sy-vline 
WA_RHB_MASSFIN_STR-IN_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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