ABAP Select data from SAP table CAD_BICSK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CAD_BICSK
*  INTO TABLE @DATA(IT_CAD_BICSK2).
*--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_CAD_BICSK INDEX 1 INTO DATA(WA_CAD_BICSK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CAD_BICSK>-STYPE = 1.
<CAD_BICSK>-TCODE = 1.
<CAD_BICSK>-AENNR = 1.
<CAD_BICSK>-BMEIN = 1.
<CAD_BICSK>-BMENG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CAD_BICSK-CADKZ, sy-vline,
  WA_CAD_BICSK-DATUB, sy-vline,
  WA_CAD_BICSK-DATUV, sy-vline,
  WA_CAD_BICSK-EMENG, sy-vline,
  WA_CAD_BICSK-EQUNR, sy-vline,
  WA_CAD_BICSK-EXSTL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CAD_BICSK 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_CAD_BICSK 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_CAD_BICSK INTO WA_CAD_BICSK.


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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit TPLNR, internal->external for field VTPNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_CAD_BICSK-VTPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAD_BICSK-VTPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATNL, internal->external for field MATNR_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATNL_OUTPUT'
  EXPORTING
    input =                      WA_CAD_BICSK-MATNR_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAD_BICSK-MATNR_LONG.
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_CAD_BICSK_STR, 
STYPE TYPE STRING,
TCODE TYPE STRING,
AENNR TYPE STRING,
BMEIN TYPE STRING,
BMENG TYPE STRING,
CADKZ TYPE STRING,
DATUB TYPE STRING,
DATUV TYPE STRING,
EMENG TYPE STRING,
EQUNR TYPE STRING,
EXSTL TYPE STRING,
LABOR TYPE STRING,
LOEKZ TYPE STRING,
LOSBS TYPE STRING,
LOSVN TYPE STRING,
MATNR TYPE STRING,
SELAL TYPE STRING,
SERGE TYPE STRING,
STKTX TYPE STRING,
STLAL TYPE STRING,
STLAN TYPE STRING,
STLBE TYPE STRING,
STLST TYPE STRING,
VMTNR TYPE STRING,
WERKS TYPE STRING,
ZTEXT TYPE STRING,
REVLV TYPE STRING,
TPLNR TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKTL TYPE STRING,
DOKVR TYPE STRING,
VBELN TYPE STRING,
VBPOS TYPE STRING,
STOBJ TYPE STRING,
VDKNR TYPE STRING,
VDKAR TYPE STRING,
VDKTL TYPE STRING,
VDKVR TYPE STRING,
VEQNR TYPE STRING,
VTPNR TYPE STRING,
PSPNR TYPE STRING,
OITXT TYPE STRING,
MATNR_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CAD_BICSK_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_CAD_BICSK_STR-STYPE sy-vline 
WA_CAD_BICSK_STR-TCODE sy-vline 
WA_CAD_BICSK_STR-AENNR sy-vline 
WA_CAD_BICSK_STR-BMEIN sy-vline 
WA_CAD_BICSK_STR-BMENG sy-vline 
WA_CAD_BICSK_STR-CADKZ sy-vline 
WA_CAD_BICSK_STR-DATUB sy-vline 
WA_CAD_BICSK_STR-DATUV sy-vline 
WA_CAD_BICSK_STR-EMENG sy-vline 
WA_CAD_BICSK_STR-EQUNR sy-vline 
WA_CAD_BICSK_STR-EXSTL sy-vline 
WA_CAD_BICSK_STR-LABOR sy-vline 
WA_CAD_BICSK_STR-LOEKZ sy-vline 
WA_CAD_BICSK_STR-LOSBS sy-vline 
WA_CAD_BICSK_STR-LOSVN sy-vline 
WA_CAD_BICSK_STR-MATNR sy-vline 
WA_CAD_BICSK_STR-SELAL sy-vline 
WA_CAD_BICSK_STR-SERGE sy-vline 
WA_CAD_BICSK_STR-STKTX sy-vline 
WA_CAD_BICSK_STR-STLAL sy-vline 
WA_CAD_BICSK_STR-STLAN sy-vline 
WA_CAD_BICSK_STR-STLBE sy-vline 
WA_CAD_BICSK_STR-STLST sy-vline 
WA_CAD_BICSK_STR-VMTNR sy-vline 
WA_CAD_BICSK_STR-WERKS sy-vline 
WA_CAD_BICSK_STR-ZTEXT sy-vline 
WA_CAD_BICSK_STR-REVLV sy-vline 
WA_CAD_BICSK_STR-TPLNR sy-vline 
WA_CAD_BICSK_STR-DOKAR sy-vline 
WA_CAD_BICSK_STR-DOKNR sy-vline 
WA_CAD_BICSK_STR-DOKTL sy-vline 
WA_CAD_BICSK_STR-DOKVR sy-vline 
WA_CAD_BICSK_STR-VBELN sy-vline 
WA_CAD_BICSK_STR-VBPOS sy-vline 
WA_CAD_BICSK_STR-STOBJ sy-vline 
WA_CAD_BICSK_STR-VDKNR sy-vline 
WA_CAD_BICSK_STR-VDKAR sy-vline 
WA_CAD_BICSK_STR-VDKTL sy-vline 
WA_CAD_BICSK_STR-VDKVR sy-vline 
WA_CAD_BICSK_STR-VEQNR sy-vline 
WA_CAD_BICSK_STR-VTPNR sy-vline 
WA_CAD_BICSK_STR-PSPNR sy-vline 
WA_CAD_BICSK_STR-OITXT sy-vline 
WA_CAD_BICSK_STR-MATNR_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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