ABAP Select data from SAP table GRFNDMSP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRFNDMSP
*  INTO TABLE @DATA(IT_GRFNDMSP2).
*--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_GRFNDMSP INDEX 1 INTO DATA(WA_GRFNDMSP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRFNDMSP>-MANDT = 1.
<GRFNDMSP>-SNAPSHOT_ID = 1.
<GRFNDMSP>-OBJECT_ID = 1.
<GRFNDMSP>-RE = 1.
<GRFNDMSP>-SP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRFNDMSP-SP_CENTRAL, sy-vline,
  WA_GRFNDMSP-SP_REGULATION, sy-vline,
  WA_GRFNDMSP-SP_TRTYPE, sy-vline,
  WA_GRFNDMSP-SP_TRTYPE_O, sy-vline,
  WA_GRFNDMSP-SP_INDUSTRY, sy-vline,
  WA_GRFNDMSP-SP_VAL_ASS_CD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRFNDMSP 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_GRFNDMSP 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_GRFNDMSP INTO WA_GRFNDMSP.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_GRFNDMSP_STR, 
MANDT TYPE STRING,
SNAPSHOT_ID TYPE STRING,
OBJECT_ID TYPE STRING,
RE TYPE STRING,
SP TYPE STRING,
SP_CENTRAL TYPE STRING,
SP_REGULATION TYPE STRING,
SP_TRTYPE TYPE STRING,
SP_TRTYPE_O TYPE STRING,
SP_INDUSTRY TYPE STRING,
SP_VAL_ASS_CD TYPE STRING,
SP_VAL_ASS_CE TYPE STRING,
SP_VAL_TEST TYPE STRING,
SP_VAL_RMPLAN TYPE STRING,
SP_RTST_CE TYPE STRING,
SP_RTST_CD TYPE STRING,
SP_RTST_TE TYPE STRING,
SP_VALID_FROM TYPE STRING,
SP_VALID_TO TYPE STRING,
SP_IS_PROVIDER TYPE STRING,
SP_IS_CONSUMER TYPE STRING,
SP_SS_ORGUNIT TYPE STRING,
SP_SS_ASGN_METH TYPE STRING,
SP_RESP_USER TYPE STRING,
SP_IN_SCOPE TYPE STRING,
SP_REG_SPECIFIC TYPE STRING,
SP_INDUSTRY_SPEC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRFNDMSP_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_GRFNDMSP_STR-MANDT sy-vline 
WA_GRFNDMSP_STR-SNAPSHOT_ID sy-vline 
WA_GRFNDMSP_STR-OBJECT_ID sy-vline 
WA_GRFNDMSP_STR-RE sy-vline 
WA_GRFNDMSP_STR-SP sy-vline 
WA_GRFNDMSP_STR-SP_CENTRAL sy-vline 
WA_GRFNDMSP_STR-SP_REGULATION sy-vline 
WA_GRFNDMSP_STR-SP_TRTYPE sy-vline 
WA_GRFNDMSP_STR-SP_TRTYPE_O sy-vline 
WA_GRFNDMSP_STR-SP_INDUSTRY sy-vline 
WA_GRFNDMSP_STR-SP_VAL_ASS_CD sy-vline 
WA_GRFNDMSP_STR-SP_VAL_ASS_CE sy-vline 
WA_GRFNDMSP_STR-SP_VAL_TEST sy-vline 
WA_GRFNDMSP_STR-SP_VAL_RMPLAN sy-vline 
WA_GRFNDMSP_STR-SP_RTST_CE sy-vline 
WA_GRFNDMSP_STR-SP_RTST_CD sy-vline 
WA_GRFNDMSP_STR-SP_RTST_TE sy-vline 
WA_GRFNDMSP_STR-SP_VALID_FROM sy-vline 
WA_GRFNDMSP_STR-SP_VALID_TO sy-vline 
WA_GRFNDMSP_STR-SP_IS_PROVIDER sy-vline 
WA_GRFNDMSP_STR-SP_IS_CONSUMER sy-vline 
WA_GRFNDMSP_STR-SP_SS_ORGUNIT sy-vline 
WA_GRFNDMSP_STR-SP_SS_ASGN_METH sy-vline 
WA_GRFNDMSP_STR-SP_RESP_USER sy-vline 
WA_GRFNDMSP_STR-SP_IN_SCOPE sy-vline 
WA_GRFNDMSP_STR-SP_REG_SPECIFIC sy-vline 
WA_GRFNDMSP_STR-SP_INDUSTRY_SPEC sy-vline      INTO ld_text SEPARATED BY SPACE.

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