ABAP Select data from SAP table PSM_S4C_FM_MD_MIG_S_GRANT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSM_S4C_FM_MD_MIG_S_GRANT 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 PSM_S4C_FM_MD_MIG_S_GRANT. 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 PSM_S4C_FM_MD_MIG_S_GRANT 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_PSM_S4C_FM_MD_MIG_S_GRANT TYPE STANDARD TABLE OF PSM_S4C_FM_MD_MIG_S_GRANT,
      WA_PSM_S4C_FM_MD_MIG_S_GRANT TYPE PSM_S4C_FM_MD_MIG_S_GRANT,
      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: <PSM_S4C_FM_MD_MIG_S_GRANT> TYPE PSM_S4C_FM_MD_MIG_S_GRANT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PSM_S4C_FM_MD_MIG_S_GRANT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSM_S4C_FM_MD_MIG_S_GRANT
  INTO TABLE IT_PSM_S4C_FM_MD_MIG_S_GRANT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSM_S4C_FM_MD_MIG_S_GRANT
*  INTO TABLE @DATA(IT_PSM_S4C_FM_MD_MIG_S_GRANT2).
*--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_PSM_S4C_FM_MD_MIG_S_GRANT INDEX 1 INTO DATA(WA_PSM_S4C_FM_MD_MIG_S_GRANT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSM_S4C_FM_MD_MIG_S_GRANT ASSIGNING <PSM_S4C_FM_MD_MIG_S_GRANT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSM_S4C_FM_MD_MIG_S_GRANT>-SENDER_TECHNICAL_ID = 1.
<PSM_S4C_FM_MD_MIG_S_GRANT>-GRANT_NBR = 1.
<PSM_S4C_FM_MD_MIG_S_GRANT>-COMPANY_CODE = 1.
<PSM_S4C_FM_MD_MIG_S_GRANT>-VALID_FROM = 1.
<PSM_S4C_FM_MD_MIG_S_GRANT>-VALID_TO = 1.

ENDLOOP.

LOOP AT IT_PSM_S4C_FM_MD_MIG_S_GRANT INTO WA_PSM_S4C_FM_MD_MIG_S_GRANT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSM_S4C_FM_MD_MIG_S_GRANT-PARTNER, sy-vline,
  WA_PSM_S4C_FM_MD_MIG_S_GRANT-AUTHGR, sy-vline,
  WA_PSM_S4C_FM_MD_MIG_S_GRANT-LIFECYCLE_STATUS, sy-vline,
  WA_PSM_S4C_FM_MD_MIG_S_GRANT-GRANT_TYPE, sy-vline,
  WA_PSM_S4C_FM_MD_MIG_S_GRANT-BLOCKING_IND, sy-vline,
  WA_PSM_S4C_FM_MD_MIG_S_GRANT-GRANT_CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSM_S4C_FM_MD_MIG_S_GRANT 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_PSM_S4C_FM_MD_MIG_S_GRANT 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_PSM_S4C_FM_MD_MIG_S_GRANT INTO WA_PSM_S4C_FM_MD_MIG_S_GRANT.


*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 GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSM_S4C_FM_MD_MIG_S_GRANT-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSM_S4C_FM_MD_MIG_S_GRANT-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSM_S4C_FM_MD_MIG_S_GRANT-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSM_S4C_FM_MD_MIG_S_GRANT-PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSM_S4C_FM_MD_MIG_S_GRANT-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSM_S4C_FM_MD_MIG_S_GRANT-KOSTL.
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_PSM_S4C_FM_MD_MIG_S_GRANT_STR, 
SENDER_TECHNICAL_ID TYPE STRING,
GRANT_NBR TYPE STRING,
COMPANY_CODE TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
PARTNER TYPE STRING,
AUTHGR TYPE STRING,
LIFECYCLE_STATUS TYPE STRING,
GRANT_TYPE TYPE STRING,
BLOCKING_IND TYPE STRING,
GRANT_CURRENCY TYPE STRING,
GRANT_TOTAL TYPE STRING,
IDC_RULE TYPE STRING,
USER_STATUS TYPE STRING,
CS_RULE TYPE STRING,
CS_RATE TYPE STRING,
BILLING_RULE TYPE STRING,
PRE_AWARD_COSTS TYPE STRING,
GRANT_FY_VARIANT TYPE STRING,
SPLITTING_RULE TYPE STRING,
KOSTL TYPE STRING,
KOKRS TYPE STRING,
DUMMY_GMGR_INCL_EEW_PS TYPE STRING,
SP_CLASSES TYPE STRING,
SP_PROGRAMS TYPE STRING,
FUNDS TYPE STRING,
TIME_SLICES TYPE STRING,
COST_SHARE_RATES TYPE STRING,
TEXTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSM_S4C_FM_MD_MIG_S_GRANT_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_PSM_S4C_FM_MD_MIG_S_GRANT_STR-SENDER_TECHNICAL_ID sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-GRANT_NBR sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-COMPANY_CODE sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-VALID_FROM sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-VALID_TO sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-PARTNER sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-AUTHGR sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-LIFECYCLE_STATUS sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-GRANT_TYPE sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-BLOCKING_IND sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-GRANT_CURRENCY sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-GRANT_TOTAL sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-IDC_RULE sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-USER_STATUS sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-CS_RULE sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-CS_RATE sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-BILLING_RULE sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-PRE_AWARD_COSTS sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-GRANT_FY_VARIANT sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-SPLITTING_RULE sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-KOSTL sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-KOKRS sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-DUMMY_GMGR_INCL_EEW_PS sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-SP_CLASSES sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-SP_PROGRAMS sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-FUNDS sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-TIME_SLICES sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-COST_SHARE_RATES sy-vline 
WA_PSM_S4C_FM_MD_MIG_S_GRANT_STR-TEXTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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