ABAP Select data from SAP table AFIACTCOSTRATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AFIACTCOSTRATE
*  INTO TABLE @DATA(IT_AFIACTCOSTRATE2).
*--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_AFIACTCOSTRATE INDEX 1 INTO DATA(WA_AFIACTCOSTRATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AFIACTCOSTRATE>-MANDT = 1.
<AFIACTCOSTRATE>-ACCOUNTINGCOSTRATEUUID = 1.
<AFIACTCOSTRATE>-COMPANYCODE = 1.
<AFIACTCOSTRATE>-COSTCENTER = 1.
<AFIACTCOSTRATE>-ACTIVITYTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AFIACTCOSTRATE-CURRENCY, sy-vline,
  WA_AFIACTCOSTRATE-VALIDITYSTARTFISCALYEARPERIOD, sy-vline,
  WA_AFIACTCOSTRATE-VALIDITYENDFISCALYEARPERIOD, sy-vline,
  WA_AFIACTCOSTRATE-COSTRATEFIXEDAMOUNT, sy-vline,
  WA_AFIACTCOSTRATE-COSTRATEVARBLAMOUNT, sy-vline,
  WA_AFIACTCOSTRATE-COSTRATESCALEFACTOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AFIACTCOSTRATE 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_AFIACTCOSTRATE 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_AFIACTCOSTRATE INTO WA_AFIACTCOSTRATE.


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

*Conversion exit AC112, internal->external for field COSTRATEFIXEDAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_AFIACTCOSTRATE-COSTRATEFIXEDAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AFIACTCOSTRATE-COSTRATEFIXEDAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field COSTRATEVARBLAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_AFIACTCOSTRATE-COSTRATEVARBLAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AFIACTCOSTRATE-COSTRATEVARBLAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field COSTCTRACTIVITYTYPEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_AFIACTCOSTRATE-COSTCTRACTIVITYTYPEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AFIACTCOSTRATE-COSTCTRACTIVITYTYPEQTYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AFIACTCOSTRATE-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AFIACTCOSTRATE-LEDGER.
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_AFIACTCOSTRATE_STR, 
MANDT TYPE STRING,
ACCOUNTINGCOSTRATEUUID TYPE STRING,
COMPANYCODE TYPE STRING,
COSTCENTER TYPE STRING,
ACTIVITYTYPE TYPE STRING,
CURRENCY TYPE STRING,
VALIDITYSTARTFISCALYEARPERIOD TYPE STRING,
VALIDITYENDFISCALYEARPERIOD TYPE STRING,
COSTRATEFIXEDAMOUNT TYPE STRING,
COSTRATEVARBLAMOUNT TYPE STRING,
COSTRATESCALEFACTOR TYPE STRING,
COSTCTRACTIVITYTYPEQTYUNIT TYPE STRING,
LEDGER TYPE STRING,
COSTRATEISOVERWRITEMODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AFIACTCOSTRATE_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_AFIACTCOSTRATE_STR-MANDT sy-vline 
WA_AFIACTCOSTRATE_STR-ACCOUNTINGCOSTRATEUUID sy-vline 
WA_AFIACTCOSTRATE_STR-COMPANYCODE sy-vline 
WA_AFIACTCOSTRATE_STR-COSTCENTER sy-vline 
WA_AFIACTCOSTRATE_STR-ACTIVITYTYPE sy-vline 
WA_AFIACTCOSTRATE_STR-CURRENCY sy-vline 
WA_AFIACTCOSTRATE_STR-VALIDITYSTARTFISCALYEARPERIOD sy-vline 
WA_AFIACTCOSTRATE_STR-VALIDITYENDFISCALYEARPERIOD sy-vline 
WA_AFIACTCOSTRATE_STR-COSTRATEFIXEDAMOUNT sy-vline 
WA_AFIACTCOSTRATE_STR-COSTRATEVARBLAMOUNT sy-vline 
WA_AFIACTCOSTRATE_STR-COSTRATESCALEFACTOR sy-vline 
WA_AFIACTCOSTRATE_STR-COSTCTRACTIVITYTYPEQTYUNIT sy-vline 
WA_AFIACTCOSTRATE_STR-LEDGER sy-vline 
WA_AFIACTCOSTRATE_STR-COSTRATEISOVERWRITEMODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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