ABAP Select data from SAP table CM60A into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CM60A 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 CM60A. 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 CM60A 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_CM60A TYPE STANDARD TABLE OF CM60A,
      WA_CM60A TYPE CM60A,
      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: <CM60A> TYPE CM60A.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CM60A.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CM60A
  INTO TABLE IT_CM60A.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CM60A
*  INTO TABLE @DATA(IT_CM60A2).
*--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_CM60A INDEX 1 INTO DATA(WA_CM60A2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CM60A ASSIGNING <CM60A>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CM60A>-DIALG = 1.
<CM60A>-UEBVO = 1.
<CM60A>-URPET = 1.
<CM60A>-URMKZ = 1.
<CM60A>-SCEPL = 1.

ENDLOOP.

LOOP AT IT_CM60A INTO WA_CM60A.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CM60A-DATVI, sy-vline,
  WA_CM60A-DATBI, sy-vline,
  WA_CM60A-ENTLI, sy-vline,
  WA_CM60A-PERIV, sy-vline,
  WA_CM60A-MRPPP, sy-vline,
  WA_CM60A-TITCUA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CM60A 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_CM60A 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_CM60A INTO WA_CM60A.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CM60A-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CM60A-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_CM60A_STR, 
DIALG TYPE STRING,
UEBVO TYPE STRING,
URPET TYPE STRING,
URMKZ TYPE STRING,
SCEPL TYPE STRING,
DATVI TYPE STRING,
DATBI TYPE STRING,
ENTLI TYPE STRING,
PERIV TYPE STRING,
MRPPP TYPE STRING,
TITCUA TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
BERID TYPE STRING,
BEDAE TYPE STRING,
VERSB TYPE STRING,
PBDNR TYPE STRING,
PRGAW TYPE STRING,
MAKTX TYPE STRING,
MATAW TYPE STRING,
PBDAW TYPE STRING,
VERAW TYPE STRING,
VERAK TYPE STRING,
VERAI TYPE STRING,
VERVS TYPE STRING,
VERKZ TYPE STRING,
HISKZ TYPE STRING,
PBDNR_EXT TYPE STRING,
PBDAW_EXT TYPE STRING,
SGT_RCAT TYPE STRING,
SGT_GN_ART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CM60A_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_CM60A_STR-DIALG sy-vline 
WA_CM60A_STR-UEBVO sy-vline 
WA_CM60A_STR-URPET sy-vline 
WA_CM60A_STR-URMKZ sy-vline 
WA_CM60A_STR-SCEPL sy-vline 
WA_CM60A_STR-DATVI sy-vline 
WA_CM60A_STR-DATBI sy-vline 
WA_CM60A_STR-ENTLI sy-vline 
WA_CM60A_STR-PERIV sy-vline 
WA_CM60A_STR-MRPPP sy-vline 
WA_CM60A_STR-TITCUA sy-vline 
WA_CM60A_STR-MATNR sy-vline 
WA_CM60A_STR-WERKS sy-vline 
WA_CM60A_STR-BERID sy-vline 
WA_CM60A_STR-BEDAE sy-vline 
WA_CM60A_STR-VERSB sy-vline 
WA_CM60A_STR-PBDNR sy-vline 
WA_CM60A_STR-PRGAW sy-vline 
WA_CM60A_STR-MAKTX sy-vline 
WA_CM60A_STR-MATAW sy-vline 
WA_CM60A_STR-PBDAW sy-vline 
WA_CM60A_STR-VERAW sy-vline 
WA_CM60A_STR-VERAK sy-vline 
WA_CM60A_STR-VERAI sy-vline 
WA_CM60A_STR-VERVS sy-vline 
WA_CM60A_STR-VERKZ sy-vline 
WA_CM60A_STR-HISKZ sy-vline 
WA_CM60A_STR-PBDNR_EXT sy-vline 
WA_CM60A_STR-PBDAW_EXT sy-vline 
WA_CM60A_STR-SGT_RCAT sy-vline 
WA_CM60A_STR-SGT_GN_ART sy-vline      INTO ld_text SEPARATED BY SPACE.

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