ABAP Select data from SAP table KCMDTCC_ALL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KCMDTCC_ALL
*  INTO TABLE @DATA(IT_KCMDTCC_ALL2).
*--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_KCMDTCC_ALL INDEX 1 INTO DATA(WA_KCMDTCC_ALL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KCMDTCC_ALL>-MANDT = 1.
<KCMDTCC_ALL>-OBJNR = 1.
<KCMDTCC_ALL>-DATBI = 1.
<KCMDTCC_ALL>-STATUS = 1.
<KCMDTCC_ALL>-DATAB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KCMDTCC_ALL-LOGSYSTEM, sy-vline,
  WA_KCMDTCC_ALL-KHINR, sy-vline,
  WA_KCMDTCC_ALL-VERAK, sy-vline,
  WA_KCMDTCC_ALL-VERAK_USER, sy-vline,
  WA_KCMDTCC_ALL-WAERS, sy-vline,
  WA_KCMDTCC_ALL-ERSDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KCMDTCC_ALL 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_KCMDTCC_ALL 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_KCMDTCC_ALL INTO WA_KCMDTCC_ALL.


*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 LOGSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KCMDTCC_ALL-LOGSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KCMDTCC_ALL-LOGSYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_KCMDTCC_ALL-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KCMDTCC_ALL-SPRAS.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field JV_OTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KCMDTCC_ALL-JV_OTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KCMDTCC_ALL-JV_OTYPE.
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_KCMDTCC_ALL_STR, 
MANDT TYPE STRING,
OBJNR TYPE STRING,
DATBI TYPE STRING,
STATUS TYPE STRING,
DATAB TYPE STRING,
LOGSYSTEM TYPE STRING,
KHINR TYPE STRING,
VERAK TYPE STRING,
VERAK_USER TYPE STRING,
WAERS TYPE STRING,
ERSDA TYPE STRING,
USNAM TYPE STRING,
LAND1 TYPE STRING,
ANRED TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
STRAS TYPE STRING,
PFACH TYPE STRING,
PSTLZ TYPE STRING,
PSTL2 TYPE STRING,
REGIO TYPE STRING,
SPRAS TYPE STRING,
TELBX TYPE STRING,
TELF1 TYPE STRING,
TELF2 TYPE STRING,
TELFX TYPE STRING,
TELTX TYPE STRING,
TELX1 TYPE STRING,
DATLT TYPE STRING,
DRNAM TYPE STRING,
TXJCD TYPE STRING,
KTEXT TYPE STRING,
LTEXT TYPE STRING,
CSTDRV TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOSAR TYPE STRING,
PRCTR TYPE STRING,
FUNC_AREA TYPE STRING,
ABTEI TYPE STRING,
CPI_TEMPL TYPE STRING,
CPD_TEMPL TYPE STRING,
SCI_TEMPL TYPE STRING,
SCD_TEMPL TYPE STRING,
KALSM TYPE STRING,
BKZKP TYPE STRING,
PKZKP TYPE STRING,
BKZKS TYPE STRING,
BKZER TYPE STRING,
BKZOB TYPE STRING,
PKZKS TYPE STRING,
PKZER TYPE STRING,
MGEFL TYPE STRING,
VNAME TYPE STRING,
RECID TYPE STRING,
ETYPE TYPE STRING,
JV_OTYPE TYPE STRING,
JV_JIBCL TYPE STRING,
JV_JIBSA TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KCMDTCC_ALL_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_KCMDTCC_ALL_STR-MANDT sy-vline 
WA_KCMDTCC_ALL_STR-OBJNR sy-vline 
WA_KCMDTCC_ALL_STR-DATBI sy-vline 
WA_KCMDTCC_ALL_STR-STATUS sy-vline 
WA_KCMDTCC_ALL_STR-DATAB sy-vline 
WA_KCMDTCC_ALL_STR-LOGSYSTEM sy-vline 
WA_KCMDTCC_ALL_STR-KHINR sy-vline 
WA_KCMDTCC_ALL_STR-VERAK sy-vline 
WA_KCMDTCC_ALL_STR-VERAK_USER sy-vline 
WA_KCMDTCC_ALL_STR-WAERS sy-vline 
WA_KCMDTCC_ALL_STR-ERSDA sy-vline 
WA_KCMDTCC_ALL_STR-USNAM sy-vline 
WA_KCMDTCC_ALL_STR-LAND1 sy-vline 
WA_KCMDTCC_ALL_STR-ANRED sy-vline 
WA_KCMDTCC_ALL_STR-NAME1 sy-vline 
WA_KCMDTCC_ALL_STR-NAME2 sy-vline 
WA_KCMDTCC_ALL_STR-NAME3 sy-vline 
WA_KCMDTCC_ALL_STR-NAME4 sy-vline 
WA_KCMDTCC_ALL_STR-ORT01 sy-vline 
WA_KCMDTCC_ALL_STR-ORT02 sy-vline 
WA_KCMDTCC_ALL_STR-STRAS sy-vline 
WA_KCMDTCC_ALL_STR-PFACH sy-vline 
WA_KCMDTCC_ALL_STR-PSTLZ sy-vline 
WA_KCMDTCC_ALL_STR-PSTL2 sy-vline 
WA_KCMDTCC_ALL_STR-REGIO sy-vline 
WA_KCMDTCC_ALL_STR-SPRAS sy-vline 
WA_KCMDTCC_ALL_STR-TELBX sy-vline 
WA_KCMDTCC_ALL_STR-TELF1 sy-vline 
WA_KCMDTCC_ALL_STR-TELF2 sy-vline 
WA_KCMDTCC_ALL_STR-TELFX sy-vline 
WA_KCMDTCC_ALL_STR-TELTX sy-vline 
WA_KCMDTCC_ALL_STR-TELX1 sy-vline 
WA_KCMDTCC_ALL_STR-DATLT sy-vline 
WA_KCMDTCC_ALL_STR-DRNAM sy-vline 
WA_KCMDTCC_ALL_STR-TXJCD sy-vline 
WA_KCMDTCC_ALL_STR-KTEXT sy-vline 
WA_KCMDTCC_ALL_STR-LTEXT sy-vline 
WA_KCMDTCC_ALL_STR-CSTDRV sy-vline 
WA_KCMDTCC_ALL_STR-KOKRS sy-vline 
WA_KCMDTCC_ALL_STR-KOSTL sy-vline 
WA_KCMDTCC_ALL_STR-BUKRS sy-vline 
WA_KCMDTCC_ALL_STR-GSBER sy-vline 
WA_KCMDTCC_ALL_STR-KOSAR sy-vline 
WA_KCMDTCC_ALL_STR-PRCTR sy-vline 
WA_KCMDTCC_ALL_STR-FUNC_AREA sy-vline 
WA_KCMDTCC_ALL_STR-ABTEI sy-vline 
WA_KCMDTCC_ALL_STR-CPI_TEMPL sy-vline 
WA_KCMDTCC_ALL_STR-CPD_TEMPL sy-vline 
WA_KCMDTCC_ALL_STR-SCI_TEMPL sy-vline 
WA_KCMDTCC_ALL_STR-SCD_TEMPL sy-vline 
WA_KCMDTCC_ALL_STR-KALSM sy-vline 
WA_KCMDTCC_ALL_STR-BKZKP sy-vline 
WA_KCMDTCC_ALL_STR-PKZKP sy-vline 
WA_KCMDTCC_ALL_STR-BKZKS sy-vline 
WA_KCMDTCC_ALL_STR-BKZER sy-vline 
WA_KCMDTCC_ALL_STR-BKZOB sy-vline 
WA_KCMDTCC_ALL_STR-PKZKS sy-vline 
WA_KCMDTCC_ALL_STR-PKZER sy-vline 
WA_KCMDTCC_ALL_STR-MGEFL sy-vline 
WA_KCMDTCC_ALL_STR-VNAME sy-vline 
WA_KCMDTCC_ALL_STR-RECID sy-vline 
WA_KCMDTCC_ALL_STR-ETYPE sy-vline 
WA_KCMDTCC_ALL_STR-JV_OTYPE sy-vline 
WA_KCMDTCC_ALL_STR-JV_JIBCL sy-vline 
WA_KCMDTCC_ALL_STR-JV_JIBSA sy-vline 
WA_KCMDTCC_ALL_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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