ABAP Select data from SAP table CAPP_COM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CAPP_COM
*  INTO TABLE @DATA(IT_CAPP_COM2).
*--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_CAPP_COM INDEX 1 INTO DATA(WA_CAPP_COM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CAPP_COM>-MANDT = 1.
<CAPP_COM>-PLNTY = 1.
<CAPP_COM>-PLNNR = 1.
<CAPP_COM>-ZUONR = 1.
<CAPP_COM>-ZAEHL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CAPP_COM-DATUV, sy-vline,
  WA_CAPP_COM-TECHV, sy-vline,
  WA_CAPP_COM-AENNR, sy-vline,
  WA_CAPP_COM-LOEKZ, sy-vline,
  WA_CAPP_COM-PARKZ, sy-vline,
  WA_CAPP_COM-PLNAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CAPP_COM 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_CAPP_COM 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_CAPP_COM INTO WA_CAPP_COM.


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

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

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

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

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CAPP_COM-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPP_COM-STLNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit NUMCV, internal->external for field GP_UVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CAPP_COM-GP_UVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPP_COM-GP_UVORN.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field STLNR_W
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CAPP_COM-STLNR_W
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPP_COM-STLNR_W.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field AENNR_AUS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CAPP_COM-AENNR_AUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPP_COM-AENNR_AUS.
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_CAPP_COM_STR, 
MANDT TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
ZUONR TYPE STRING,
ZAEHL TYPE STRING,
DATUV TYPE STRING,
TECHV TYPE STRING,
AENNR TYPE STRING,
LOEKZ TYPE STRING,
PARKZ TYPE STRING,
PLNAL TYPE STRING,
PLNFL TYPE STRING,
PLNKN TYPE STRING,
STLTY TYPE STRING,
STLNR TYPE STRING,
STLAL TYPE STRING,
STLKN TYPE STRING,
WERK_STL TYPE STRING,
ZUDIV TYPE STRING,
ZUMS1 TYPE STRING,
ZUMS2 TYPE STRING,
ZUMS3 TYPE STRING,
ZUMEI TYPE STRING,
IMENG TYPE STRING,
IMEIN TYPE STRING,
ANDAT TYPE STRING,
ANNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
RGEKZ TYPE STRING,
STLST TYPE STRING,
STLWG TYPE STRING,
REFKN TYPE STRING,
GP_MATNR TYPE STRING,
GP_WERKS TYPE STRING,
GP_UVORN TYPE STRING,
GP_KRIT1 TYPE STRING,
GP_FREET TYPE STRING,
AOBAR TYPE STRING,
ZEINH TYPE STRING,
DAUER TYPE STRING,
DMENG TYPE STRING,
KNTTP TYPE STRING,
FLGEX TYPE STRING,
VORAB TYPE STRING,
STRECKE TYPE STRING,
STLTY_W TYPE STRING,
STLNR_W TYPE STRING,
STLAL_W TYPE STRING,
KANTE TYPE STRING,
LGORT TYPE STRING,
DISP TYPE STRING,
PRODFLOWID TYPE STRING,
BEIKZ TYPE STRING,
ABLAD TYPE STRING,
WEMPF TYPE STRING,
VALID_TO TYPE STRING,
LOEKZ_INHERITED TYPE STRING,
VERSN TYPE STRING,
VERSN_SOURCE TYPE STRING,
VERSN_SOURCE_ZUONR TYPE STRING,
BOM_VERSN TYPE STRING,
BOM_VERSN_W TYPE STRING,
LOG_COMP TYPE STRING,
DATUB TYPE STRING,
AENNR_AUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CAPP_COM_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_CAPP_COM_STR-MANDT sy-vline 
WA_CAPP_COM_STR-PLNTY sy-vline 
WA_CAPP_COM_STR-PLNNR sy-vline 
WA_CAPP_COM_STR-ZUONR sy-vline 
WA_CAPP_COM_STR-ZAEHL sy-vline 
WA_CAPP_COM_STR-DATUV sy-vline 
WA_CAPP_COM_STR-TECHV sy-vline 
WA_CAPP_COM_STR-AENNR sy-vline 
WA_CAPP_COM_STR-LOEKZ sy-vline 
WA_CAPP_COM_STR-PARKZ sy-vline 
WA_CAPP_COM_STR-PLNAL sy-vline 
WA_CAPP_COM_STR-PLNFL sy-vline 
WA_CAPP_COM_STR-PLNKN sy-vline 
WA_CAPP_COM_STR-STLTY sy-vline 
WA_CAPP_COM_STR-STLNR sy-vline 
WA_CAPP_COM_STR-STLAL sy-vline 
WA_CAPP_COM_STR-STLKN sy-vline 
WA_CAPP_COM_STR-WERK_STL sy-vline 
WA_CAPP_COM_STR-ZUDIV sy-vline 
WA_CAPP_COM_STR-ZUMS1 sy-vline 
WA_CAPP_COM_STR-ZUMS2 sy-vline 
WA_CAPP_COM_STR-ZUMS3 sy-vline 
WA_CAPP_COM_STR-ZUMEI sy-vline 
WA_CAPP_COM_STR-IMENG sy-vline 
WA_CAPP_COM_STR-IMEIN sy-vline 
WA_CAPP_COM_STR-ANDAT sy-vline 
WA_CAPP_COM_STR-ANNAM sy-vline 
WA_CAPP_COM_STR-AEDAT sy-vline 
WA_CAPP_COM_STR-AENAM sy-vline 
WA_CAPP_COM_STR-RGEKZ sy-vline 
WA_CAPP_COM_STR-STLST sy-vline 
WA_CAPP_COM_STR-STLWG sy-vline 
WA_CAPP_COM_STR-REFKN sy-vline 
WA_CAPP_COM_STR-GP_MATNR sy-vline 
WA_CAPP_COM_STR-GP_WERKS sy-vline 
WA_CAPP_COM_STR-GP_UVORN sy-vline 
WA_CAPP_COM_STR-GP_KRIT1 sy-vline 
WA_CAPP_COM_STR-GP_FREET sy-vline 
WA_CAPP_COM_STR-AOBAR sy-vline 
WA_CAPP_COM_STR-ZEINH sy-vline 
WA_CAPP_COM_STR-DAUER sy-vline 
WA_CAPP_COM_STR-DMENG sy-vline 
WA_CAPP_COM_STR-KNTTP sy-vline 
WA_CAPP_COM_STR-FLGEX sy-vline 
WA_CAPP_COM_STR-VORAB sy-vline 
WA_CAPP_COM_STR-STRECKE sy-vline 
WA_CAPP_COM_STR-STLTY_W sy-vline 
WA_CAPP_COM_STR-STLNR_W sy-vline 
WA_CAPP_COM_STR-STLAL_W sy-vline 
WA_CAPP_COM_STR-KANTE sy-vline 
WA_CAPP_COM_STR-LGORT sy-vline 
WA_CAPP_COM_STR-DISP sy-vline 
WA_CAPP_COM_STR-PRODFLOWID sy-vline 
WA_CAPP_COM_STR-BEIKZ sy-vline 
WA_CAPP_COM_STR-ABLAD sy-vline 
WA_CAPP_COM_STR-WEMPF sy-vline 
WA_CAPP_COM_STR-VALID_TO sy-vline 
WA_CAPP_COM_STR-LOEKZ_INHERITED sy-vline 
WA_CAPP_COM_STR-VERSN sy-vline 
WA_CAPP_COM_STR-VERSN_SOURCE sy-vline 
WA_CAPP_COM_STR-VERSN_SOURCE_ZUONR sy-vline 
WA_CAPP_COM_STR-BOM_VERSN sy-vline 
WA_CAPP_COM_STR-BOM_VERSN_W sy-vline 
WA_CAPP_COM_STR-LOG_COMP sy-vline 
WA_CAPP_COM_STR-DATUB sy-vline 
WA_CAPP_COM_STR-AENNR_AUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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