ABAP Select data from SAP table ARRANGCHKM into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARRANGCHKM
*  INTO TABLE @DATA(IT_ARRANGCHKM2).
*--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_ARRANGCHKM INDEX 1 INTO DATA(WA_ARRANGCHKM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARRANGCHKM>-KNUMH = 1.
<ARRANGCHKM>-KOPOS = 1.
<ARRANGCHKM>-KSTBS = 1.
<ARRANGCHKM>-KAWRT = 1.
<ARRANGCHKM>-AZWRT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARRANGCHKM-AGWRT, sy-vline,
  WA_ARRANGCHKM-AUWRT, sy-vline,
  WA_ARRANGCHKM-RUWRT, sy-vline,
  WA_ARRANGCHKM-RRWRT, sy-vline,
  WA_ARRANGCHKM-RAWRT, sy-vline,
  WA_ARRANGCHKM-ROWRT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARRANGCHKM 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_ARRANGCHKM 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_ARRANGCHKM INTO WA_ARRANGCHKM.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ARRANGCHKM_STR, 
KNUMH TYPE STRING,
KOPOS TYPE STRING,
KSTBS TYPE STRING,
KAWRT TYPE STRING,
AZWRT TYPE STRING,
AGWRT TYPE STRING,
AUWRT TYPE STRING,
RUWRT TYPE STRING,
RRWRT TYPE STRING,
RAWRT TYPE STRING,
ROWRT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARRANGCHKM_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_ARRANGCHKM_STR-KNUMH sy-vline 
WA_ARRANGCHKM_STR-KOPOS sy-vline 
WA_ARRANGCHKM_STR-KSTBS sy-vline 
WA_ARRANGCHKM_STR-KAWRT sy-vline 
WA_ARRANGCHKM_STR-AZWRT sy-vline 
WA_ARRANGCHKM_STR-AGWRT sy-vline 
WA_ARRANGCHKM_STR-AUWRT sy-vline 
WA_ARRANGCHKM_STR-RUWRT sy-vline 
WA_ARRANGCHKM_STR-RRWRT sy-vline 
WA_ARRANGCHKM_STR-RAWRT sy-vline 
WA_ARRANGCHKM_STR-ROWRT sy-vline      INTO ld_text SEPARATED BY SPACE.

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