ABAP Select data from SAP table BAPIJOACOSTCALCULATION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIJOACOSTCALCULATION
*  INTO TABLE @DATA(IT_BAPIJOACOSTCALCULATION2).
*--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_BAPIJOACOSTCALCULATION INDEX 1 INTO DATA(WA_BAPIJOACOSTCALCULATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIJOACOSTCALCULATION>-PAYSET = 1.
<BAPIJOACOSTCALCULATION>-XSETCON = 1.
<BAPIJOACOSTCALCULATION>-XSETCAT = 1.
<BAPIJOACOSTCALCULATION>-CONRULE = 1.
<BAPIJOACOSTCALCULATION>-CATRULE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIJOACOSTCALCULATION-PER1, sy-vline,
  WA_BAPIJOACOSTCALCULATION-XPER1, sy-vline,
  WA_BAPIJOACOSTCALCULATION-PER2, sy-vline,
  WA_BAPIJOACOSTCALCULATION-XPER2, sy-vline,
  WA_BAPIJOACOSTCALCULATION-EXPRULE, sy-vline,
  WA_BAPIJOACOSTCALCULATION-DRLRULE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIJOACOSTCALCULATION 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_BAPIJOACOSTCALCULATION 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_BAPIJOACOSTCALCULATION INTO WA_BAPIJOACOSTCALCULATION.


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

*Conversion exit ALPHA, internal->external for field RECDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIJOACOSTCALCULATION-RECDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIJOACOSTCALCULATION-RECDOC.
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_BAPIJOACOSTCALCULATION_STR, 
PAYSET TYPE STRING,
XSETCON TYPE STRING,
XSETCAT TYPE STRING,
CONRULE TYPE STRING,
CATRULE TYPE STRING,
PER1 TYPE STRING,
XPER1 TYPE STRING,
PER2 TYPE STRING,
XPER2 TYPE STRING,
EXPRULE TYPE STRING,
DRLRULE TYPE STRING,
XSETCAP TYPE STRING,
OFFCC TYPE STRING,
RECDOC TYPE STRING,
FLATRATE TYPE STRING,
ESCAL TYPE STRING,
NONCOMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIJOACOSTCALCULATION_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_BAPIJOACOSTCALCULATION_STR-PAYSET sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-XSETCON sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-XSETCAT sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-CONRULE sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-CATRULE sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-PER1 sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-XPER1 sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-PER2 sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-XPER2 sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-EXPRULE sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-DRLRULE sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-XSETCAP sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-OFFCC sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-RECDOC sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-FLATRATE sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-ESCAL sy-vline 
WA_BAPIJOACOSTCALCULATION_STR-NONCOMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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