ABAP Select data from SAP table KEDRCOPA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KEDRCOPA
*  INTO TABLE @DATA(IT_KEDRCOPA2).
*--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_KEDRCOPA INDEX 1 INTO DATA(WA_KEDRCOPA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KEDRCOPA>-ERKRS = 1.
<KEDRCOPA>-CYEAR = 1.
<KEDRCOPA>-CDATE = 1.
<KEDRCOPA>-PCAACTIVE = 1.
<KEDRCOPA>-DUMMYPRCTR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KEDRCOPA-CUOBJ, sy-vline,
  WA_KEDRCOPA-PLIKZ, sy-vline,
  WA_KEDRCOPA-REALIGNMENT_MODE, sy-vline,
  WA_KEDRCOPA-KTOPL, sy-vline,
  WA_KEDRCOPA-USERTEMP1, sy-vline,
  WA_KEDRCOPA-USERTEMP2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KEDRCOPA 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_KEDRCOPA 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_KEDRCOPA INTO WA_KEDRCOPA.


*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 CYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KEDRCOPA-CYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KEDRCOPA-CYEAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit OBART, internal->external for field ACCASTY
CALL FUNCTION 'CONVERSION_EXIT_OBART_OUTPUT'
  EXPORTING
    input =                      WA_KEDRCOPA-ACCASTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KEDRCOPA-ACCASTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit OBART, internal->external for field PACCASTY
CALL FUNCTION 'CONVERSION_EXIT_OBART_OUTPUT'
  EXPORTING
    input =                      WA_KEDRCOPA-PACCASTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KEDRCOPA-PACCASTY.
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_KEDRCOPA_STR, 
ERKRS TYPE STRING,
CYEAR TYPE STRING,
CDATE TYPE STRING,
PCAACTIVE TYPE STRING,
DUMMYPRCTR TYPE STRING,
CUOBJ TYPE STRING,
PLIKZ TYPE STRING,
REALIGNMENT_MODE TYPE STRING,
KTOPL TYPE STRING,
USERTEMP1 TYPE STRING,
USERTEMP2 TYPE STRING,
USERTEMP3 TYPE STRING,
USERTEMP4 TYPE STRING,
USERTEMP5 TYPE STRING,
USERTEMP6 TYPE STRING,
USERTEMP7 TYPE STRING,
USERTEMP8 TYPE STRING,
USERNAME TYPE STRING,
ACCASTY TYPE STRING,
PACCASTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KEDRCOPA_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_KEDRCOPA_STR-ERKRS sy-vline 
WA_KEDRCOPA_STR-CYEAR sy-vline 
WA_KEDRCOPA_STR-CDATE sy-vline 
WA_KEDRCOPA_STR-PCAACTIVE sy-vline 
WA_KEDRCOPA_STR-DUMMYPRCTR sy-vline 
WA_KEDRCOPA_STR-CUOBJ sy-vline 
WA_KEDRCOPA_STR-PLIKZ sy-vline 
WA_KEDRCOPA_STR-REALIGNMENT_MODE sy-vline 
WA_KEDRCOPA_STR-KTOPL sy-vline 
WA_KEDRCOPA_STR-USERTEMP1 sy-vline 
WA_KEDRCOPA_STR-USERTEMP2 sy-vline 
WA_KEDRCOPA_STR-USERTEMP3 sy-vline 
WA_KEDRCOPA_STR-USERTEMP4 sy-vline 
WA_KEDRCOPA_STR-USERTEMP5 sy-vline 
WA_KEDRCOPA_STR-USERTEMP6 sy-vline 
WA_KEDRCOPA_STR-USERTEMP7 sy-vline 
WA_KEDRCOPA_STR-USERTEMP8 sy-vline 
WA_KEDRCOPA_STR-USERNAME sy-vline 
WA_KEDRCOPA_STR-ACCASTY sy-vline 
WA_KEDRCOPA_STR-PACCASTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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