ABAP Select data from SAP table CKMLMV007R into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CKMLMV007R 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 CKMLMV007R. 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 CKMLMV007R 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_CKMLMV007R TYPE STANDARD TABLE OF CKMLMV007R,
      WA_CKMLMV007R TYPE CKMLMV007R,
      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: <CKMLMV007R> TYPE CKMLMV007R.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CKMLMV007R.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CKMLMV007R
  INTO TABLE IT_CKMLMV007R.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CKMLMV007R
*  INTO TABLE @DATA(IT_CKMLMV007R2).
*--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_CKMLMV007R INDEX 1 INTO DATA(WA_CKMLMV007R2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CKMLMV007R ASSIGNING <CKMLMV007R>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CKMLMV007R>-MANDT = 1.
<CKMLMV007R>-NRULE = 1.
<CKMLMV007R>-PTYP = 1.
<CKMLMV007R>-FLG_PTYP = 1.
<CKMLMV007R>-FLG_FERTV = 1.

ENDLOOP.

LOOP AT IT_CKMLMV007R INTO WA_CKMLMV007R.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CKMLMV007R-FLG_STUELI, sy-vline,
  WA_CKMLMV007R-FLG_STLAN, sy-vline,
  WA_CKMLMV007R-FLG_STALT, sy-vline,
  WA_CKMLMV007R-FLG_APLAN, sy-vline,
  WA_CKMLMV007R-FLG_PLNTY, sy-vline,
  WA_CKMLMV007R-FLG_PLNNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CKMLMV007R 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_CKMLMV007R 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_CKMLMV007R INTO WA_CKMLMV007R.


*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_CKMLMV007R_STR, 
MANDT TYPE STRING,
NRULE TYPE STRING,
PTYP TYPE STRING,
FLG_PTYP TYPE STRING,
FLG_FERTV TYPE STRING,
FLG_STUELI TYPE STRING,
FLG_STLAN TYPE STRING,
FLG_STALT TYPE STRING,
FLG_APLAN TYPE STRING,
FLG_PLNTY TYPE STRING,
FLG_PLNNR TYPE STRING,
FLG_PLNAL TYPE STRING,
FLG_EKORG TYPE STRING,
FLG_LIEF TYPE STRING,
FLG_UMLWK TYPE STRING,
FLG_UMLMA TYPE STRING,
FLG_PROJ TYPE STRING,
FLG_KDAUF TYPE STRING,
FLG_PWERK TYPE STRING,
FLG_KOSTL TYPE STRING,
FLG_KUNDE TYPE STRING,
FLG_KSTRG TYPE STRING,
FLG_SAKNR TYPE STRING,
FLG_OBJNR TYPE STRING,
FLG_PRCTR TYPE STRING,
FLG_GSBER TYPE STRING,
FLG_BUKRS TYPE STRING,
FLG_VBUND TYPE STRING,
SPEZ_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CKMLMV007R_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_CKMLMV007R_STR-MANDT sy-vline 
WA_CKMLMV007R_STR-NRULE sy-vline 
WA_CKMLMV007R_STR-PTYP sy-vline 
WA_CKMLMV007R_STR-FLG_PTYP sy-vline 
WA_CKMLMV007R_STR-FLG_FERTV sy-vline 
WA_CKMLMV007R_STR-FLG_STUELI sy-vline 
WA_CKMLMV007R_STR-FLG_STLAN sy-vline 
WA_CKMLMV007R_STR-FLG_STALT sy-vline 
WA_CKMLMV007R_STR-FLG_APLAN sy-vline 
WA_CKMLMV007R_STR-FLG_PLNTY sy-vline 
WA_CKMLMV007R_STR-FLG_PLNNR sy-vline 
WA_CKMLMV007R_STR-FLG_PLNAL sy-vline 
WA_CKMLMV007R_STR-FLG_EKORG sy-vline 
WA_CKMLMV007R_STR-FLG_LIEF sy-vline 
WA_CKMLMV007R_STR-FLG_UMLWK sy-vline 
WA_CKMLMV007R_STR-FLG_UMLMA sy-vline 
WA_CKMLMV007R_STR-FLG_PROJ sy-vline 
WA_CKMLMV007R_STR-FLG_KDAUF sy-vline 
WA_CKMLMV007R_STR-FLG_PWERK sy-vline 
WA_CKMLMV007R_STR-FLG_KOSTL sy-vline 
WA_CKMLMV007R_STR-FLG_KUNDE sy-vline 
WA_CKMLMV007R_STR-FLG_KSTRG sy-vline 
WA_CKMLMV007R_STR-FLG_SAKNR sy-vline 
WA_CKMLMV007R_STR-FLG_OBJNR sy-vline 
WA_CKMLMV007R_STR-FLG_PRCTR sy-vline 
WA_CKMLMV007R_STR-FLG_GSBER sy-vline 
WA_CKMLMV007R_STR-FLG_BUKRS sy-vline 
WA_CKMLMV007R_STR-FLG_VBUND sy-vline 
WA_CKMLMV007R_STR-SPEZ_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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