ABAP Select data from SAP table SCKMLPR_EB_ARC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SCKMLPR_EB_ARC
*  INTO TABLE @DATA(IT_SCKMLPR_EB_ARC2).
*--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_SCKMLPR_EB_ARC INDEX 1 INTO DATA(WA_SCKMLPR_EB_ARC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SCKMLPR_EB_ARC>-MANDT = 1.
<SCKMLPR_EB_ARC>-KALNR = 1.
<SCKMLPR_EB_ARC>-BDATJ = 1.
<SCKMLPR_EB_ARC>-POPER = 1.
<SCKMLPR_EB_ARC>-UNTPER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SCKMLPR_EB_ARC-PRKZG, sy-vline,
  WA_SCKMLPR_EB_ARC-CURTP, sy-vline,
  WA_SCKMLPR_EB_ARC-WAERS, sy-vline,
  WA_SCKMLPR_EB_ARC-FINAL, sy-vline,
  WA_SCKMLPR_EB_ARC-SALK3, sy-vline,
  WA_SCKMLPR_EB_ARC-LBKUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SCKMLPR_EB_ARC 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_SCKMLPR_EB_ARC 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_SCKMLPR_EB_ARC INTO WA_SCKMLPR_EB_ARC.


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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_SCKMLPR_EB_ARC-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SCKMLPR_EB_ARC-MATNR.
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_SCKMLPR_EB_ARC_STR, 
MANDT TYPE STRING,
KALNR TYPE STRING,
BDATJ TYPE STRING,
POPER TYPE STRING,
UNTPER TYPE STRING,
PRKZG TYPE STRING,
CURTP TYPE STRING,
WAERS TYPE STRING,
FINAL TYPE STRING,
SALK3 TYPE STRING,
LBKUM TYPE STRING,
MEINS TYPE STRING,
PRICE TYPE STRING,
PEINH TYPE STRING,
PRGID TYPE STRING,
TIMEL TYPE STRING,
SALK3_INV TYPE STRING,
LBKUM_INV TYPE STRING,
MATNR TYPE STRING,
BWKEY TYPE STRING,
BWTAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SCKMLPR_EB_ARC_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_SCKMLPR_EB_ARC_STR-MANDT sy-vline 
WA_SCKMLPR_EB_ARC_STR-KALNR sy-vline 
WA_SCKMLPR_EB_ARC_STR-BDATJ sy-vline 
WA_SCKMLPR_EB_ARC_STR-POPER sy-vline 
WA_SCKMLPR_EB_ARC_STR-UNTPER sy-vline 
WA_SCKMLPR_EB_ARC_STR-PRKZG sy-vline 
WA_SCKMLPR_EB_ARC_STR-CURTP sy-vline 
WA_SCKMLPR_EB_ARC_STR-WAERS sy-vline 
WA_SCKMLPR_EB_ARC_STR-FINAL sy-vline 
WA_SCKMLPR_EB_ARC_STR-SALK3 sy-vline 
WA_SCKMLPR_EB_ARC_STR-LBKUM sy-vline 
WA_SCKMLPR_EB_ARC_STR-MEINS sy-vline 
WA_SCKMLPR_EB_ARC_STR-PRICE sy-vline 
WA_SCKMLPR_EB_ARC_STR-PEINH sy-vline 
WA_SCKMLPR_EB_ARC_STR-PRGID sy-vline 
WA_SCKMLPR_EB_ARC_STR-TIMEL sy-vline 
WA_SCKMLPR_EB_ARC_STR-SALK3_INV sy-vline 
WA_SCKMLPR_EB_ARC_STR-LBKUM_INV sy-vline 
WA_SCKMLPR_EB_ARC_STR-MATNR sy-vline 
WA_SCKMLPR_EB_ARC_STR-BWKEY sy-vline 
WA_SCKMLPR_EB_ARC_STR-BWTAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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