ABAP Select data from SAP table FMDC_FUND_BUDGET_PERIOD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMDC_FUND_BUDGET_PERIOD
*  INTO TABLE @DATA(IT_FMDC_FUND_BUDGET_PERIOD2).
*--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_FMDC_FUND_BUDGET_PERIOD INDEX 1 INTO DATA(WA_FMDC_FUND_BUDGET_PERIOD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMDC_FUND_BUDGET_PERIOD>-FM_AREA = 1.
<FMDC_FUND_BUDGET_PERIOD>-FUND = 1.
<FMDC_FUND_BUDGET_PERIOD>-POSTING_DATE = 1.
<FMDC_FUND_BUDGET_PERIOD>-COMPANY_CODE = 1.
<FMDC_FUND_BUDGET_PERIOD>-CO_AREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMDC_FUND_BUDGET_PERIOD-ACCOUNT_NUMBER, sy-vline,
  WA_FMDC_FUND_BUDGET_PERIOD-ASSET, sy-vline,
  WA_FMDC_FUND_BUDGET_PERIOD-SUB_ASSET, sy-vline,
  WA_FMDC_FUND_BUDGET_PERIOD-COST_ELEMENT, sy-vline,
  WA_FMDC_FUND_BUDGET_PERIOD-COST_CENTER, sy-vline,
  WA_FMDC_FUND_BUDGET_PERIOD-ORDER_NUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMDC_FUND_BUDGET_PERIOD 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_FMDC_FUND_BUDGET_PERIOD 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_FMDC_FUND_BUDGET_PERIOD INTO WA_FMDC_FUND_BUDGET_PERIOD.


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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_FMDC_FUND_BUDGET_PERIOD-WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMDC_FUND_BUDGET_PERIOD-WBS_ELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field COMMIT_ITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMDC_FUND_BUDGET_PERIOD-COMMIT_ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMDC_FUND_BUDGET_PERIOD-COMMIT_ITEM.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field ORDER_NUMBER_PM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMDC_FUND_BUDGET_PERIOD-ORDER_NUMBER_PM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMDC_FUND_BUDGET_PERIOD-ORDER_NUMBER_PM.
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_FMDC_FUND_BUDGET_PERIOD_STR, 
FM_AREA TYPE STRING,
FUND TYPE STRING,
POSTING_DATE TYPE STRING,
COMPANY_CODE TYPE STRING,
CO_AREA TYPE STRING,
ACCOUNT_NUMBER TYPE STRING,
ASSET TYPE STRING,
SUB_ASSET TYPE STRING,
COST_ELEMENT TYPE STRING,
COST_CENTER TYPE STRING,
ORDER_NUMBER TYPE STRING,
WBS_ELEMENT TYPE STRING,
COMMIT_ITEM TYPE STRING,
FUND_CENTER TYPE STRING,
FUNCTION_AREA TYPE STRING,
GRANT_NBR TYPE STRING,
MEASURE TYPE STRING,
ORDER_NUMBER_NP TYPE STRING,
ORDER_NUMBER_NV TYPE STRING,
ORDER_POSNR_NV TYPE STRING,
ORDER_NUMBER_SD TYPE STRING,
ORDER_POSNR_SD TYPE STRING,
ORDER_NUMBER_PM TYPE STRING,
TRANSAC TYPE STRING,
TRANSAC_TYPE TYPE STRING,
FIVOR TYPE STRING,
REVERSEDOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMDC_FUND_BUDGET_PERIOD_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_FMDC_FUND_BUDGET_PERIOD_STR-FM_AREA sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-FUND sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-POSTING_DATE sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-COMPANY_CODE sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-CO_AREA sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ACCOUNT_NUMBER sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ASSET sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-SUB_ASSET sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-COST_ELEMENT sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-COST_CENTER sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ORDER_NUMBER sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-WBS_ELEMENT sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-COMMIT_ITEM sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-FUND_CENTER sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-FUNCTION_AREA sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-GRANT_NBR sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-MEASURE sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ORDER_NUMBER_NP sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ORDER_NUMBER_NV sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ORDER_POSNR_NV sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ORDER_NUMBER_SD sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ORDER_POSNR_SD sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-ORDER_NUMBER_PM sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-TRANSAC sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-TRANSAC_TYPE sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-FIVOR sy-vline 
WA_FMDC_FUND_BUDGET_PERIOD_STR-REVERSEDOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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