ABAP Select data from SAP table RHB7_SUGGEST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RHB7_SUGGEST 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 RHB7_SUGGEST. 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 RHB7_SUGGEST 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_RHB7_SUGGEST TYPE STANDARD TABLE OF RHB7_SUGGEST,
      WA_RHB7_SUGGEST TYPE RHB7_SUGGEST,
      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: <RHB7_SUGGEST> TYPE RHB7_SUGGEST.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RHB7_SUGGEST.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RHB7_SUGGEST
  INTO TABLE IT_RHB7_SUGGEST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RHB7_SUGGEST
*  INTO TABLE @DATA(IT_RHB7_SUGGEST2).
*--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_RHB7_SUGGEST INDEX 1 INTO DATA(WA_RHB7_SUGGEST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RHB7_SUGGEST ASSIGNING <RHB7_SUGGEST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RHB7_SUGGEST>-PLVAR = 1.
<RHB7_SUGGEST>-OTYPE = 1.
<RHB7_SUGGEST>-OBJID = 1.
<RHB7_SUGGEST>-BEGDA = 1.
<RHB7_SUGGEST>-ENDDA = 1.

ENDLOOP.

LOOP AT IT_RHB7_SUGGEST INTO WA_RHB7_SUGGEST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RHB7_SUGGEST-ISTAT, sy-vline,
  WA_RHB7_SUGGEST-FIKRS, sy-vline,
  WA_RHB7_SUGGEST-GEBER, sy-vline,
  WA_RHB7_SUGGEST-FISTL, sy-vline,
  WA_RHB7_SUGGEST-FIPEX, sy-vline,
  WA_RHB7_SUGGEST-PROZT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RHB7_SUGGEST 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_RHB7_SUGGEST 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_RHB7_SUGGEST INTO WA_RHB7_SUGGEST.


*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 FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_RHB7_SUGGEST-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RHB7_SUGGEST-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_RHB7_SUGGEST_STR, 
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ISTAT TYPE STRING,
FIKRS TYPE STRING,
GEBER TYPE STRING,
FISTL TYPE STRING,
FIPEX TYPE STRING,
PROZT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RHB7_SUGGEST_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_RHB7_SUGGEST_STR-PLVAR sy-vline 
WA_RHB7_SUGGEST_STR-OTYPE sy-vline 
WA_RHB7_SUGGEST_STR-OBJID sy-vline 
WA_RHB7_SUGGEST_STR-BEGDA sy-vline 
WA_RHB7_SUGGEST_STR-ENDDA sy-vline 
WA_RHB7_SUGGEST_STR-ISTAT sy-vline 
WA_RHB7_SUGGEST_STR-FIKRS sy-vline 
WA_RHB7_SUGGEST_STR-GEBER sy-vline 
WA_RHB7_SUGGEST_STR-FISTL sy-vline 
WA_RHB7_SUGGEST_STR-FIPEX sy-vline 
WA_RHB7_SUGGEST_STR-PROZT sy-vline      INTO ld_text SEPARATED BY SPACE.

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