ABAP Select data from SAP table FAAVMDTDDMIG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAAVMDTDDMIG
*  INTO TABLE @DATA(IT_FAAVMDTDDMIG2).
*--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_FAAVMDTDDMIG INDEX 1 INTO DATA(WA_FAAVMDTDDMIG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAAVMDTDDMIG>-CLIENT = 1.
<FAAVMDTDDMIG>-COMP_CODE = 1.
<FAAVMDTDDMIG>-ASSET_NO = 1.
<FAAVMDTDDMIG>-ASSET_SUBNO = 1.
<FAAVMDTDDMIG>-VALID_TO_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAAVMDTDDMIG-VALID_FROM_DATE, sy-vline,
  WA_FAAVMDTDDMIG-BUSINESS_AREA, sy-vline,
  WA_FAAVMDTDDMIG-COST_CENTER, sy-vline,
  WA_FAAVMDTDDMIG-ACTIVITY_TYPE, sy-vline,
  WA_FAAVMDTDDMIG-INTERNAL_ORDER, sy-vline,
  WA_FAAVMDTDDMIG-FUND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAAVMDTDDMIG 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_FAAVMDTDDMIG 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_FAAVMDTDDMIG INTO WA_FAAVMDTDDMIG.


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

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

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

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

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

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

*Conversion exit IMKEY, internal->external for field REAL_ESTATE_KEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_FAAVMDTDDMIG-REAL_ESTATE_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAAVMDTDDMIG-REAL_ESTATE_KEY.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field RESPONSIBLE_COST_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAAVMDTDDMIG-RESPONSIBLE_COST_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAAVMDTDDMIG-RESPONSIBLE_COST_CENTER.
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_FAAVMDTDDMIG_STR, 
CLIENT TYPE STRING,
COMP_CODE TYPE STRING,
ASSET_NO TYPE STRING,
ASSET_SUBNO TYPE STRING,
VALID_TO_DATE TYPE STRING,
VALID_FROM_DATE TYPE STRING,
BUSINESS_AREA TYPE STRING,
COST_CENTER TYPE STRING,
ACTIVITY_TYPE TYPE STRING,
INTERNAL_ORDER TYPE STRING,
FUND TYPE STRING,
GRANT_ID TYPE STRING,
FUNCTIONAL_AREA TYPE STRING,
FUNDS_CENTER TYPE STRING,
WBS_ELEMENT TYPE STRING,
TAX_JURISDICTION TYPE STRING,
REAL_ESTATE_KEY TYPE STRING,
SEGMENT TYPE STRING,
PROFIT_CENTER TYPE STRING,
BUDGET_PERIOD TYPE STRING,
RESPONSIBLE_COST_CENTER TYPE STRING,
ROOM TYPE STRING,
PLANT TYPE STRING,
LOCATION TYPE STRING,
CAR_LICENSE_PLATE TYPE STRING,
PERSONNEL_NUMBER TYPE STRING,
BUSINESS_PLACE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAAVMDTDDMIG_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_FAAVMDTDDMIG_STR-CLIENT sy-vline 
WA_FAAVMDTDDMIG_STR-COMP_CODE sy-vline 
WA_FAAVMDTDDMIG_STR-ASSET_NO sy-vline 
WA_FAAVMDTDDMIG_STR-ASSET_SUBNO sy-vline 
WA_FAAVMDTDDMIG_STR-VALID_TO_DATE sy-vline 
WA_FAAVMDTDDMIG_STR-VALID_FROM_DATE sy-vline 
WA_FAAVMDTDDMIG_STR-BUSINESS_AREA sy-vline 
WA_FAAVMDTDDMIG_STR-COST_CENTER sy-vline 
WA_FAAVMDTDDMIG_STR-ACTIVITY_TYPE sy-vline 
WA_FAAVMDTDDMIG_STR-INTERNAL_ORDER sy-vline 
WA_FAAVMDTDDMIG_STR-FUND sy-vline 
WA_FAAVMDTDDMIG_STR-GRANT_ID sy-vline 
WA_FAAVMDTDDMIG_STR-FUNCTIONAL_AREA sy-vline 
WA_FAAVMDTDDMIG_STR-FUNDS_CENTER sy-vline 
WA_FAAVMDTDDMIG_STR-WBS_ELEMENT sy-vline 
WA_FAAVMDTDDMIG_STR-TAX_JURISDICTION sy-vline 
WA_FAAVMDTDDMIG_STR-REAL_ESTATE_KEY sy-vline 
WA_FAAVMDTDDMIG_STR-SEGMENT sy-vline 
WA_FAAVMDTDDMIG_STR-PROFIT_CENTER sy-vline 
WA_FAAVMDTDDMIG_STR-BUDGET_PERIOD sy-vline 
WA_FAAVMDTDDMIG_STR-RESPONSIBLE_COST_CENTER sy-vline 
WA_FAAVMDTDDMIG_STR-ROOM sy-vline 
WA_FAAVMDTDDMIG_STR-PLANT sy-vline 
WA_FAAVMDTDDMIG_STR-LOCATION sy-vline 
WA_FAAVMDTDDMIG_STR-CAR_LICENSE_PLATE sy-vline 
WA_FAAVMDTDDMIG_STR-PERSONNEL_NUMBER sy-vline 
WA_FAAVMDTDDMIG_STR-BUSINESS_PLACE sy-vline      INTO ld_text SEPARATED BY SPACE.

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