ABAP Select data from SAP table GRFN_S_BI_RP_ATTR_I into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRFN_S_BI_RP_ATTR_I
*  INTO TABLE @DATA(IT_GRFN_S_BI_RP_ATTR_I2).
*--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_GRFN_S_BI_RP_ATTR_I INDEX 1 INTO DATA(WA_GRFN_S_BI_RP_ATTR_I2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRFN_S_BI_RP_ATTR_I>-RP_CREATED_BY = 1.
<GRFN_S_BI_RP_ATTR_I>-RP_CREATE_TIME = 1.
<GRFN_S_BI_RP_ATTR_I>-RP_CHANGED_BY = 1.
<GRFN_S_BI_RP_ATTR_I>-RP_CHANGE_TIME = 1.
<GRFN_S_BI_RP_ATTR_I>-RP_RESP_USER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRFN_S_BI_RP_ATTR_I-RP_PROCESSOR, sy-vline,
  WA_GRFN_S_BI_RP_ATTR_I-RP_STATUS, sy-vline,
  WA_GRFN_S_BI_RP_ATTR_I-RP_DATE_BEGIN, sy-vline,
  WA_GRFN_S_BI_RP_ATTR_I-RP_DATE_END, sy-vline,
  WA_GRFN_S_BI_RP_ATTR_I-RP_RESP_TYPE, sy-vline,
  WA_GRFN_S_BI_RP_ATTR_I-RP_DUE_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRFN_S_BI_RP_ATTR_I 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_GRFN_S_BI_RP_ATTR_I 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_GRFN_S_BI_RP_ATTR_I INTO WA_GRFN_S_BI_RP_ATTR_I.


*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 TSTPS, internal->external for field RP_CREATE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_GRFN_S_BI_RP_ATTR_I-RP_CREATE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRFN_S_BI_RP_ATTR_I-RP_CREATE_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field RP_CHANGE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_GRFN_S_BI_RP_ATTR_I-RP_CHANGE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRFN_S_BI_RP_ATTR_I-RP_CHANGE_TIME.
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_GRFN_S_BI_RP_ATTR_I_STR, 
RP_CREATED_BY TYPE STRING,
RP_CREATE_TIME TYPE STRING,
RP_CHANGED_BY TYPE STRING,
RP_CHANGE_TIME TYPE STRING,
RP_RESP_USER TYPE STRING,
RP_PROCESSOR TYPE STRING,
RP_STATUS TYPE STRING,
RP_DATE_BEGIN TYPE STRING,
RP_DATE_END TYPE STRING,
RP_RESP_TYPE TYPE STRING,
RP_DUE_DATE TYPE STRING,
RP_COMP_DATE TYPE STRING,
RP_RESP_COUNT TYPE STRING,
RP_RESP_COST TYPE STRING,
RP_CURRENCY TYPE STRING,
RP_RESP_EFECT TYPE STRING,
RP_RESP_COMPL TYPE STRING,
RP_EFFEC_FROM TYPE STRING,
RP_EFFECTIVE_TO TYPE STRING,
RP_WF_PROCESSOR TYPE STRING,
RP_PURPOSE TYPE STRING,
RP_RESP_SHARING TYPE STRING,
RP_RESP_ENT_TYPE TYPE STRING,
RP_CONTROL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRFN_S_BI_RP_ATTR_I_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_GRFN_S_BI_RP_ATTR_I_STR-RP_CREATED_BY sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_CREATE_TIME sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_CHANGED_BY sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_CHANGE_TIME sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_RESP_USER sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_PROCESSOR sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_STATUS sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_DATE_BEGIN sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_DATE_END sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_RESP_TYPE sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_DUE_DATE sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_COMP_DATE sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_RESP_COUNT sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_RESP_COST sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_CURRENCY sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_RESP_EFECT sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_RESP_COMPL sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_EFFEC_FROM sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_EFFECTIVE_TO sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_WF_PROCESSOR sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_PURPOSE sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_RESP_SHARING sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_RESP_ENT_TYPE sy-vline 
WA_GRFN_S_BI_RP_ATTR_I_STR-RP_CONTROL sy-vline      INTO ld_text SEPARATED BY SPACE.

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