ABAP Select data from SAP table CGRANTTOFUND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CGRANTTOFUND
*  INTO TABLE @DATA(IT_CGRANTTOFUND2).
*--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_CGRANTTOFUND INDEX 1 INTO DATA(WA_CGRANTTOFUND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CGRANTTOFUND>-MANDT = 1.
<CGRANTTOFUND>-GRANTID = 1.
<CGRANTTOFUND>-FINANCIALMANAGEMENTAREA = 1.
<CGRANTTOFUND>-FUND = 1.
<CGRANTTOFUND>-FUNDISRLVTFORCOSTSHARING = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CGRANTTOFUND-FUNDISRLVTFORINDRCTCOSTRCVRY, sy-vline,
  WA_CGRANTTOFUND-FUNDISRLVTFORPROGRAMINCOME, sy-vline,
  WA_CGRANTTOFUND-GRANTEEMGMTFUNDTYPE, sy-vline,
  WA_CGRANTTOFUND-GRANTAUTHZNGRP, sy-vline,
  WA_CGRANTTOFUND-GRANTLFCYCSTATUSFORAUTHZN, sy-vline,
  WA_CGRANTTOFUND-FUNDAUTHZNGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CGRANTTOFUND 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_CGRANTTOFUND 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_CGRANTTOFUND INTO WA_CGRANTTOFUND.


*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 GRANTID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CGRANTTOFUND-GRANTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGRANTTOFUND-GRANTID.
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_CGRANTTOFUND_STR, 
MANDT TYPE STRING,
GRANTID TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
FUND TYPE STRING,
FUNDISRLVTFORCOSTSHARING TYPE STRING,
FUNDISRLVTFORINDRCTCOSTRCVRY TYPE STRING,
FUNDISRLVTFORPROGRAMINCOME TYPE STRING,
GRANTEEMGMTFUNDTYPE TYPE STRING,
GRANTAUTHZNGRP TYPE STRING,
GRANTLFCYCSTATUSFORAUTHZN TYPE STRING,
FUNDAUTHZNGRP TYPE STRING,
FUNDFINMGMTAREAFORAUTHZN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CGRANTTOFUND_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_CGRANTTOFUND_STR-MANDT sy-vline 
WA_CGRANTTOFUND_STR-GRANTID sy-vline 
WA_CGRANTTOFUND_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_CGRANTTOFUND_STR-FUND sy-vline 
WA_CGRANTTOFUND_STR-FUNDISRLVTFORCOSTSHARING sy-vline 
WA_CGRANTTOFUND_STR-FUNDISRLVTFORINDRCTCOSTRCVRY sy-vline 
WA_CGRANTTOFUND_STR-FUNDISRLVTFORPROGRAMINCOME sy-vline 
WA_CGRANTTOFUND_STR-GRANTEEMGMTFUNDTYPE sy-vline 
WA_CGRANTTOFUND_STR-GRANTAUTHZNGRP sy-vline 
WA_CGRANTTOFUND_STR-GRANTLFCYCSTATUSFORAUTHZN sy-vline 
WA_CGRANTTOFUND_STR-FUNDAUTHZNGRP sy-vline 
WA_CGRANTTOFUND_STR-FUNDFINMGMTAREAFORAUTHZN sy-vline      INTO ld_text SEPARATED BY SPACE.

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