ABAP Select data from SAP table V_CKMLGRIR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_CKMLGRIR
*  INTO TABLE @DATA(IT_V_CKMLGRIR2).
*--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_V_CKMLGRIR INDEX 1 INTO DATA(WA_V_CKMLGRIR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_CKMLGRIR>-MANDT = 1.
<V_CKMLGRIR>-EBELN = 1.
<V_CKMLGRIR>-BSTYP = 1.
<V_CKMLGRIR>-BSART = 1.
<V_CKMLGRIR>-LOEKZ_K = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_CKMLGRIR-LIFNR, sy-vline,
  WA_V_CKMLGRIR-EKORG, sy-vline,
  WA_V_CKMLGRIR-EKGRP, sy-vline,
  WA_V_CKMLGRIR-WAERS, sy-vline,
  WA_V_CKMLGRIR-BEDAT, sy-vline,
  WA_V_CKMLGRIR-VERKF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_CKMLGRIR 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_V_CKMLGRIR 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_V_CKMLGRIR INTO WA_V_CKMLGRIR.


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

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_V_CKMLGRIR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CKMLGRIR-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR_EKBE
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_V_CKMLGRIR-MATNR_EKBE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CKMLGRIR-MATNR_EKBE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_V_CKMLGRIR-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CKMLGRIR-FIPOS.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_CKMLGRIR-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CKMLGRIR-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field LFGJA
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_CKMLGRIR-LFGJA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CKMLGRIR-LFGJA.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_V_CKMLGRIR-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CKMLGRIR-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SAKTO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_CKMLGRIR-SAKTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CKMLGRIR-SAKTO.
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_V_CKMLGRIR_STR, 
MANDT TYPE STRING,
EBELN TYPE STRING,
BSTYP TYPE STRING,
BSART TYPE STRING,
LOEKZ_K TYPE STRING,
LIFNR TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
WAERS TYPE STRING,
BEDAT TYPE STRING,
VERKF TYPE STRING,
TELF1 TYPE STRING,
LIFRE TYPE STRING,
FRGRL TYPE STRING,
MEMORY TYPE STRING,
EBELP TYPE STRING,
LOEKZ_P TYPE STRING,
TXZ01 TYPE STRING,
BUKRS TYPE STRING,
MATNR TYPE STRING,
MATNR_EKBE TYPE STRING,
BWTAR TYPE STRING,
WERKS TYPE STRING,
SOBKZ TYPE STRING,
KZBWS TYPE STRING,
PEINH TYPE STRING,
MEINS TYPE STRING,
BPRME TYPE STRING,
BPUMZ TYPE STRING,
BPUMN TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
PSTYP TYPE STRING,
KNTTP TYPE STRING,
VRTKZ TYPE STRING,
WEPOS TYPE STRING,
WEUNB TYPE STRING,
REPOS TYPE STRING,
WEBRE TYPE STRING,
GEBER TYPE STRING,
FISTL TYPE STRING,
FIPOS TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
KO_GSBER TYPE STRING,
KO_PARGB TYPE STRING,
KO_PRCTR TYPE STRING,
KO_PPRCTR TYPE STRING,
XERSY TYPE STRING,
RETPO TYPE STRING,
LEBRE TYPE STRING,
ZEKKN TYPE STRING,
VGABE TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
BEWTP TYPE STRING,
BUDAT TYPE STRING,
MENGE TYPE STRING,
DMBTR TYPE STRING,
AREWR TYPE STRING,
SHKZG TYPE STRING,
LFGJA TYPE STRING,
LFBNR TYPE STRING,
LFPOS TYPE STRING,
BWTAR_BE TYPE STRING,
SRVPOS TYPE STRING,
BPMNG TYPE STRING,
XWOFF TYPE STRING,
PACKNO TYPE STRING,
INTROW TYPE STRING,
AREWB TYPE STRING,
REWRB TYPE STRING,
WRBTR TYPE STRING,
STAPO TYPE STRING,
XBLNR TYPE STRING,
WESBB TYPE STRING,
BPWEB TYPE STRING,
XMACC TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
STATU TYPE STRING,
HISTCURR TYPE STRING,
DIFF_INVOICE TYPE STRING,
PRODUCTTYPE TYPE STRING,
GR_BY_SES TYPE STRING,
KZVBR TYPE STRING,
BUDGET_PD TYPE STRING,
FMFGUS_KEY TYPE STRING,
PS_PSP_PNR TYPE STRING,
KOSTL TYPE STRING,
SAKTO TYPE STRING,
SAPRL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_CKMLGRIR_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_V_CKMLGRIR_STR-MANDT sy-vline 
WA_V_CKMLGRIR_STR-EBELN sy-vline 
WA_V_CKMLGRIR_STR-BSTYP sy-vline 
WA_V_CKMLGRIR_STR-BSART sy-vline 
WA_V_CKMLGRIR_STR-LOEKZ_K sy-vline 
WA_V_CKMLGRIR_STR-LIFNR sy-vline 
WA_V_CKMLGRIR_STR-EKORG sy-vline 
WA_V_CKMLGRIR_STR-EKGRP sy-vline 
WA_V_CKMLGRIR_STR-WAERS sy-vline 
WA_V_CKMLGRIR_STR-BEDAT sy-vline 
WA_V_CKMLGRIR_STR-VERKF sy-vline 
WA_V_CKMLGRIR_STR-TELF1 sy-vline 
WA_V_CKMLGRIR_STR-LIFRE sy-vline 
WA_V_CKMLGRIR_STR-FRGRL sy-vline 
WA_V_CKMLGRIR_STR-MEMORY sy-vline 
WA_V_CKMLGRIR_STR-EBELP sy-vline 
WA_V_CKMLGRIR_STR-LOEKZ_P sy-vline 
WA_V_CKMLGRIR_STR-TXZ01 sy-vline 
WA_V_CKMLGRIR_STR-BUKRS sy-vline 
WA_V_CKMLGRIR_STR-MATNR sy-vline 
WA_V_CKMLGRIR_STR-MATNR_EKBE sy-vline 
WA_V_CKMLGRIR_STR-BWTAR sy-vline 
WA_V_CKMLGRIR_STR-WERKS sy-vline 
WA_V_CKMLGRIR_STR-SOBKZ sy-vline 
WA_V_CKMLGRIR_STR-KZBWS sy-vline 
WA_V_CKMLGRIR_STR-PEINH sy-vline 
WA_V_CKMLGRIR_STR-MEINS sy-vline 
WA_V_CKMLGRIR_STR-BPRME sy-vline 
WA_V_CKMLGRIR_STR-BPUMZ sy-vline 
WA_V_CKMLGRIR_STR-BPUMN sy-vline 
WA_V_CKMLGRIR_STR-UMREZ sy-vline 
WA_V_CKMLGRIR_STR-UMREN sy-vline 
WA_V_CKMLGRIR_STR-PSTYP sy-vline 
WA_V_CKMLGRIR_STR-KNTTP sy-vline 
WA_V_CKMLGRIR_STR-VRTKZ sy-vline 
WA_V_CKMLGRIR_STR-WEPOS sy-vline 
WA_V_CKMLGRIR_STR-WEUNB sy-vline 
WA_V_CKMLGRIR_STR-REPOS sy-vline 
WA_V_CKMLGRIR_STR-WEBRE sy-vline 
WA_V_CKMLGRIR_STR-GEBER sy-vline 
WA_V_CKMLGRIR_STR-FISTL sy-vline 
WA_V_CKMLGRIR_STR-FIPOS sy-vline 
WA_V_CKMLGRIR_STR-FKBER sy-vline 
WA_V_CKMLGRIR_STR-GRANT_NBR sy-vline 
WA_V_CKMLGRIR_STR-KO_GSBER sy-vline 
WA_V_CKMLGRIR_STR-KO_PARGB sy-vline 
WA_V_CKMLGRIR_STR-KO_PRCTR sy-vline 
WA_V_CKMLGRIR_STR-KO_PPRCTR sy-vline 
WA_V_CKMLGRIR_STR-XERSY sy-vline 
WA_V_CKMLGRIR_STR-RETPO sy-vline 
WA_V_CKMLGRIR_STR-LEBRE sy-vline 
WA_V_CKMLGRIR_STR-ZEKKN sy-vline 
WA_V_CKMLGRIR_STR-VGABE sy-vline 
WA_V_CKMLGRIR_STR-GJAHR sy-vline 
WA_V_CKMLGRIR_STR-BELNR sy-vline 
WA_V_CKMLGRIR_STR-BUZEI sy-vline 
WA_V_CKMLGRIR_STR-BEWTP sy-vline 
WA_V_CKMLGRIR_STR-BUDAT sy-vline 
WA_V_CKMLGRIR_STR-MENGE sy-vline 
WA_V_CKMLGRIR_STR-DMBTR sy-vline 
WA_V_CKMLGRIR_STR-AREWR sy-vline 
WA_V_CKMLGRIR_STR-SHKZG sy-vline 
WA_V_CKMLGRIR_STR-LFGJA sy-vline 
WA_V_CKMLGRIR_STR-LFBNR sy-vline 
WA_V_CKMLGRIR_STR-LFPOS sy-vline 
WA_V_CKMLGRIR_STR-BWTAR_BE sy-vline 
WA_V_CKMLGRIR_STR-SRVPOS sy-vline 
WA_V_CKMLGRIR_STR-BPMNG sy-vline 
WA_V_CKMLGRIR_STR-XWOFF sy-vline 
WA_V_CKMLGRIR_STR-PACKNO sy-vline 
WA_V_CKMLGRIR_STR-INTROW sy-vline 
WA_V_CKMLGRIR_STR-AREWB sy-vline 
WA_V_CKMLGRIR_STR-REWRB sy-vline 
WA_V_CKMLGRIR_STR-WRBTR sy-vline 
WA_V_CKMLGRIR_STR-STAPO sy-vline 
WA_V_CKMLGRIR_STR-XBLNR sy-vline 
WA_V_CKMLGRIR_STR-WESBB sy-vline 
WA_V_CKMLGRIR_STR-BPWEB sy-vline 
WA_V_CKMLGRIR_STR-XMACC sy-vline 
WA_V_CKMLGRIR_STR-CPUDT sy-vline 
WA_V_CKMLGRIR_STR-CPUTM sy-vline 
WA_V_CKMLGRIR_STR-STATU sy-vline 
WA_V_CKMLGRIR_STR-HISTCURR sy-vline 
WA_V_CKMLGRIR_STR-DIFF_INVOICE sy-vline 
WA_V_CKMLGRIR_STR-PRODUCTTYPE sy-vline 
WA_V_CKMLGRIR_STR-GR_BY_SES sy-vline 
WA_V_CKMLGRIR_STR-KZVBR sy-vline 
WA_V_CKMLGRIR_STR-BUDGET_PD sy-vline 
WA_V_CKMLGRIR_STR-FMFGUS_KEY sy-vline 
WA_V_CKMLGRIR_STR-PS_PSP_PNR sy-vline 
WA_V_CKMLGRIR_STR-KOSTL sy-vline 
WA_V_CKMLGRIR_STR-SAKTO sy-vline 
WA_V_CKMLGRIR_STR-SAPRL sy-vline      INTO ld_text SEPARATED BY SPACE.

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