ABAP Select data from SAP table CKMLMVTOOL_540 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CKMLMVTOOL_540 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 CKMLMVTOOL_540. 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 CKMLMVTOOL_540 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_CKMLMVTOOL_540 TYPE STANDARD TABLE OF CKMLMVTOOL_540,
      WA_CKMLMVTOOL_540 TYPE CKMLMVTOOL_540,
      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: <CKMLMVTOOL_540> TYPE CKMLMVTOOL_540.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CKMLMVTOOL_540.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CKMLMVTOOL_540
  INTO TABLE IT_CKMLMVTOOL_540.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CKMLMVTOOL_540
*  INTO TABLE @DATA(IT_CKMLMVTOOL_5402).
*--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_CKMLMVTOOL_540 INDEX 1 INTO DATA(WA_CKMLMVTOOL_5402).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CKMLMVTOOL_540 ASSIGNING <CKMLMVTOOL_540>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CKMLMVTOOL_540>-MATNR = 1.
<CKMLMVTOOL_540>-WERKS = 1.
<CKMLMVTOOL_540>-BWTAR = 1.
<CKMLMVTOOL_540>-BTYP = 1.
<CKMLMVTOOL_540>-PTYP_KTEXT = 1.

ENDLOOP.

LOOP AT IT_CKMLMVTOOL_540 INTO WA_CKMLMVTOOL_540.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CKMLMVTOOL_540-PRWRK_ND, sy-vline,
  WA_CKMLMVTOOL_540-PLWRK_ND, sy-vline,
  WA_CKMLMVTOOL_540-PMATN_ND, sy-vline,
  WA_CKMLMVTOOL_540-VERID_ND, sy-vline,
  WA_CKMLMVTOOL_540-STLAN_ND, sy-vline,
  WA_CKMLMVTOOL_540-STLAL_ND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CKMLMVTOOL_540 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_CKMLMVTOOL_540 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_CKMLMVTOOL_540 INTO WA_CKMLMVTOOL_540.


*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_CKMLMVTOOL_540-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PMATN_ND
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CKMLMVTOOL_540-PMATN_ND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-PMATN_ND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STLAL_ND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CKMLMVTOOL_540-STLAL_ND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-STLAL_ND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNNR_ND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CKMLMVTOOL_540-PLNNR_ND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-PLNNR_ND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNAL_ND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CKMLMVTOOL_540-PLNAL_ND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-PLNAL_ND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR_ND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CKMLMVTOOL_540-LIFNR_ND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-LIFNR_ND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field UMLMA_ND
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CKMLMVTOOL_540-UMLMA_ND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-UMLMA_ND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STLAL_PC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CKMLMVTOOL_540-STLAL_PC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-STLAL_PC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS_PC
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CKMLMVTOOL_540-MEINS_PC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKMLMVTOOL_540-MEINS_PC.
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_CKMLMVTOOL_540_STR, 
MATNR TYPE STRING,
WERKS TYPE STRING,
BWTAR TYPE STRING,
BTYP TYPE STRING,
PTYP_KTEXT TYPE STRING,
PRWRK_ND TYPE STRING,
PLWRK_ND TYPE STRING,
PMATN_ND TYPE STRING,
VERID_ND TYPE STRING,
STLAN_ND TYPE STRING,
STLAL_ND TYPE STRING,
PLNTY_ND TYPE STRING,
PLNNR_ND TYPE STRING,
PLNAL_ND TYPE STRING,
EKORG_ND TYPE STRING,
LIFNR_ND TYPE STRING,
UMLWK_ND TYPE STRING,
UMLMA_ND TYPE STRING,
MKAL_TEXT1 TYPE STRING,
UMLWK_NAME1 TYPE STRING,
EKOTX TYPE STRING,
LFA1_NAME1 TYPE STRING,
PRWRK_NAME1 TYPE STRING,
PMATN_MAKTX TYPE STRING,
ANTXT TYPE STRING,
STKTX TYPE STRING,
TCA02_TXT TYPE STRING,
PLKO_KTEXT TYPE STRING,
UMLMA_MAKTX TYPE STRING,
KAN1_NAME1 TYPE STRING,
CSKT_KTEXT TYPE STRING,
CKPHT_KTEXT TYPE STRING,
STLAN_PC TYPE STRING,
STLAL_PC TYPE STRING,
LOSGR_PC TYPE STRING,
MEINS_PC TYPE STRING,
CSPLIT_PC TYPE STRING,
NU_BALT TYPE STRING,
NU_PROC TYPE STRING,
NU_VALT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CKMLMVTOOL_540_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_CKMLMVTOOL_540_STR-MATNR sy-vline 
WA_CKMLMVTOOL_540_STR-WERKS sy-vline 
WA_CKMLMVTOOL_540_STR-BWTAR sy-vline 
WA_CKMLMVTOOL_540_STR-BTYP sy-vline 
WA_CKMLMVTOOL_540_STR-PTYP_KTEXT sy-vline 
WA_CKMLMVTOOL_540_STR-PRWRK_ND sy-vline 
WA_CKMLMVTOOL_540_STR-PLWRK_ND sy-vline 
WA_CKMLMVTOOL_540_STR-PMATN_ND sy-vline 
WA_CKMLMVTOOL_540_STR-VERID_ND sy-vline 
WA_CKMLMVTOOL_540_STR-STLAN_ND sy-vline 
WA_CKMLMVTOOL_540_STR-STLAL_ND sy-vline 
WA_CKMLMVTOOL_540_STR-PLNTY_ND sy-vline 
WA_CKMLMVTOOL_540_STR-PLNNR_ND sy-vline 
WA_CKMLMVTOOL_540_STR-PLNAL_ND sy-vline 
WA_CKMLMVTOOL_540_STR-EKORG_ND sy-vline 
WA_CKMLMVTOOL_540_STR-LIFNR_ND sy-vline 
WA_CKMLMVTOOL_540_STR-UMLWK_ND sy-vline 
WA_CKMLMVTOOL_540_STR-UMLMA_ND sy-vline 
WA_CKMLMVTOOL_540_STR-MKAL_TEXT1 sy-vline 
WA_CKMLMVTOOL_540_STR-UMLWK_NAME1 sy-vline 
WA_CKMLMVTOOL_540_STR-EKOTX sy-vline 
WA_CKMLMVTOOL_540_STR-LFA1_NAME1 sy-vline 
WA_CKMLMVTOOL_540_STR-PRWRK_NAME1 sy-vline 
WA_CKMLMVTOOL_540_STR-PMATN_MAKTX sy-vline 
WA_CKMLMVTOOL_540_STR-ANTXT sy-vline 
WA_CKMLMVTOOL_540_STR-STKTX sy-vline 
WA_CKMLMVTOOL_540_STR-TCA02_TXT sy-vline 
WA_CKMLMVTOOL_540_STR-PLKO_KTEXT sy-vline 
WA_CKMLMVTOOL_540_STR-UMLMA_MAKTX sy-vline 
WA_CKMLMVTOOL_540_STR-KAN1_NAME1 sy-vline 
WA_CKMLMVTOOL_540_STR-CSKT_KTEXT sy-vline 
WA_CKMLMVTOOL_540_STR-CKPHT_KTEXT sy-vline 
WA_CKMLMVTOOL_540_STR-STLAN_PC sy-vline 
WA_CKMLMVTOOL_540_STR-STLAL_PC sy-vline 
WA_CKMLMVTOOL_540_STR-LOSGR_PC sy-vline 
WA_CKMLMVTOOL_540_STR-MEINS_PC sy-vline 
WA_CKMLMVTOOL_540_STR-CSPLIT_PC sy-vline 
WA_CKMLMVTOOL_540_STR-NU_BALT sy-vline 
WA_CKMLMVTOOL_540_STR-NU_PROC sy-vline 
WA_CKMLMVTOOL_540_STR-NU_VALT sy-vline      INTO ld_text SEPARATED BY SPACE.

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