ABAP Select data from SAP table FAA_S_DEPR_PARAM_CALC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAA_S_DEPR_PARAM_CALC
*  INTO TABLE @DATA(IT_FAA_S_DEPR_PARAM_CALC2).
*--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_FAA_S_DEPR_PARAM_CALC INDEX 1 INTO DATA(WA_FAA_S_DEPR_PARAM_CALC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAA_S_DEPR_PARAM_CALC>-TO_DATE = 1.
<FAA_S_DEPR_PARAM_CALC>-FROM_DATE = 1.
<FAA_S_DEPR_PARAM_CALC>-DEPR_KEY = 1.
<FAA_S_DEPR_PARAM_CALC>-ULIFE_YRS = 1.
<FAA_S_DEPR_PARAM_CALC>-ULIFE_PRDS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAA_S_DEPR_PARAM_CALC-VAR_DEPR_PORTION, sy-vline,
  WA_FAA_S_DEPR_PARAM_CALC-SCRAPVALUE_PRCTG, sy-vline,
  WA_FAA_S_DEPR_PARAM_CALC-DEACTIVATE, sy-vline,
  WA_FAA_S_DEPR_PARAM_CALC-CHANGEOVER_YR, sy-vline,
  WA_FAA_S_DEPR_PARAM_CALC-CHANGEOVER_PRD, sy-vline,
  WA_FAA_S_DEPR_PARAM_CALC-ODEPR_START_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAA_S_DEPR_PARAM_CALC 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_FAA_S_DEPR_PARAM_CALC 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_FAA_S_DEPR_PARAM_CALC INTO WA_FAA_S_DEPR_PARAM_CALC.


*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 GJAHR, internal->external for field CHANGEOVER_YR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FAA_S_DEPR_PARAM_CALC-CHANGEOVER_YR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAA_S_DEPR_PARAM_CALC-CHANGEOVER_YR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ACQ_YR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FAA_S_DEPR_PARAM_CALC-ACQ_YR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAA_S_DEPR_PARAM_CALC-ACQ_YR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field SCRAPVALUE
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FAA_S_DEPR_PARAM_CALC-SCRAPVALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAA_S_DEPR_PARAM_CALC-SCRAPVALUE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field GRP_ASSET_SUBNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAA_S_DEPR_PARAM_CALC-GRP_ASSET_SUBNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAA_S_DEPR_PARAM_CALC-GRP_ASSET_SUBNO.
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_FAA_S_DEPR_PARAM_CALC_STR, 
TO_DATE TYPE STRING,
FROM_DATE TYPE STRING,
DEPR_KEY TYPE STRING,
ULIFE_YRS TYPE STRING,
ULIFE_PRDS TYPE STRING,
VAR_DEPR_PORTION TYPE STRING,
SCRAPVALUE_PRCTG TYPE STRING,
DEACTIVATE TYPE STRING,
CHANGEOVER_YR TYPE STRING,
CHANGEOVER_PRD TYPE STRING,
ODEPR_START_DATE TYPE STRING,
SDEPR_START_DATE TYPE STRING,
INTR_START_DATE TYPE STRING,
READINESS TYPE STRING,
CHCK_MAX_LVA_AM TYPE STRING,
ORIG_ULIFE_YRS TYPE STRING,
ORIG_ULIFE_PRDS TYPE STRING,
ACQ_YR TYPE STRING,
ACQ_PRD TYPE STRING,
USAGE_OBJECT TYPE STRING,
NEG_VALUES TYPE STRING,
SCRAPVALUE TYPE STRING,
CURRENCY TYPE STRING,
AGE_INDEX TYPE STRING,
RPLCMNTVAL_INDEX TYPE STRING,
REVALTN_KEY TYPE STRING,
INVSUPPORT_KEY TYPE STRING,
GRP_ASSET TYPE STRING,
GRP_ASSET_SUBNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAA_S_DEPR_PARAM_CALC_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_FAA_S_DEPR_PARAM_CALC_STR-TO_DATE sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-FROM_DATE sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-DEPR_KEY sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-ULIFE_YRS sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-ULIFE_PRDS sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-VAR_DEPR_PORTION sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-SCRAPVALUE_PRCTG sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-DEACTIVATE sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-CHANGEOVER_YR sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-CHANGEOVER_PRD sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-ODEPR_START_DATE sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-SDEPR_START_DATE sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-INTR_START_DATE sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-READINESS sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-CHCK_MAX_LVA_AM sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-ORIG_ULIFE_YRS sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-ORIG_ULIFE_PRDS sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-ACQ_YR sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-ACQ_PRD sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-USAGE_OBJECT sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-NEG_VALUES sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-SCRAPVALUE sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-CURRENCY sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-AGE_INDEX sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-RPLCMNTVAL_INDEX sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-REVALTN_KEY sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-INVSUPPORT_KEY sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-GRP_ASSET sy-vline 
WA_FAA_S_DEPR_PARAM_CALC_STR-GRP_ASSET_SUBNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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