ABAP Select data from SAP table SKB1CE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SKB1CE 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 SKB1CE. 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 SKB1CE 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_SKB1CE TYPE STANDARD TABLE OF SKB1CE,
      WA_SKB1CE TYPE SKB1CE,
      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: <SKB1CE> TYPE SKB1CE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SKB1CE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SKB1CE
  INTO TABLE IT_SKB1CE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SKB1CE
*  INTO TABLE @DATA(IT_SKB1CE2).
*--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_SKB1CE INDEX 1 INTO DATA(WA_SKB1CE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SKB1CE ASSIGNING <SKB1CE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SKB1CE>-MANDT = 1.
<SKB1CE>-BUKRS = 1.
<SKB1CE>-SAKNR = 1.
<SKB1CE>-BEGRU = 1.
<SKB1CE>-BUSAB = 1.

ENDLOOP.

LOOP AT IT_SKB1CE INTO WA_SKB1CE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SKB1CE-DATLZ, sy-vline,
  WA_SKB1CE-ERDAT, sy-vline,
  WA_SKB1CE-ERNAM, sy-vline,
  WA_SKB1CE-FDGRV, sy-vline,
  WA_SKB1CE-FDLEV, sy-vline,
  WA_SKB1CE-FIPLS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SKB1CE 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_SKB1CE 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_SKB1CE INTO WA_SKB1CE.


*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 SAKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1CE-SAKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1CE-SAKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FDGRV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1CE-FDGRV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1CE-FDGRV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTKT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1CE-ALTKT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1CE-ALTKT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1CE-RECID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1CE-RECID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_SKB1CE-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1CE-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MSEHI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_SKB1CE-MSEHI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1CE-MSEHI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KATYP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1CE-KATYP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1CE-KATYP.
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_SKB1CE_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
SAKNR TYPE STRING,
BEGRU TYPE STRING,
BUSAB TYPE STRING,
DATLZ TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
FDGRV TYPE STRING,
FDLEV TYPE STRING,
FIPLS TYPE STRING,
FSTAG TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
KDFSL TYPE STRING,
MITKZ TYPE STRING,
MWSKZ TYPE STRING,
STEXT TYPE STRING,
VZSKZ TYPE STRING,
WAERS TYPE STRING,
WMETH TYPE STRING,
XGKON TYPE STRING,
XINTB TYPE STRING,
XKRES TYPE STRING,
XLOEB TYPE STRING,
XNKON TYPE STRING,
XOPVW TYPE STRING,
XSPEB TYPE STRING,
ZINDT TYPE STRING,
ZINRT TYPE STRING,
ZUAWA TYPE STRING,
ALTKT TYPE STRING,
XMITK TYPE STRING,
RECID TYPE STRING,
FIPOS TYPE STRING,
XMWNO TYPE STRING,
XSALH TYPE STRING,
BEWGP TYPE STRING,
INFKY TYPE STRING,
TOGRU TYPE STRING,
XLGCLR TYPE STRING,
MCAKEY TYPE STRING,
COCHANGED TYPE STRING,
LAST_CHANGED_TS TYPE STRING,
MGEFL TYPE STRING,
MSEHI TYPE STRING,
KATYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SKB1CE_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_SKB1CE_STR-MANDT sy-vline 
WA_SKB1CE_STR-BUKRS sy-vline 
WA_SKB1CE_STR-SAKNR sy-vline 
WA_SKB1CE_STR-BEGRU sy-vline 
WA_SKB1CE_STR-BUSAB sy-vline 
WA_SKB1CE_STR-DATLZ sy-vline 
WA_SKB1CE_STR-ERDAT sy-vline 
WA_SKB1CE_STR-ERNAM sy-vline 
WA_SKB1CE_STR-FDGRV sy-vline 
WA_SKB1CE_STR-FDLEV sy-vline 
WA_SKB1CE_STR-FIPLS sy-vline 
WA_SKB1CE_STR-FSTAG sy-vline 
WA_SKB1CE_STR-HBKID sy-vline 
WA_SKB1CE_STR-HKTID sy-vline 
WA_SKB1CE_STR-KDFSL sy-vline 
WA_SKB1CE_STR-MITKZ sy-vline 
WA_SKB1CE_STR-MWSKZ sy-vline 
WA_SKB1CE_STR-STEXT sy-vline 
WA_SKB1CE_STR-VZSKZ sy-vline 
WA_SKB1CE_STR-WAERS sy-vline 
WA_SKB1CE_STR-WMETH sy-vline 
WA_SKB1CE_STR-XGKON sy-vline 
WA_SKB1CE_STR-XINTB sy-vline 
WA_SKB1CE_STR-XKRES sy-vline 
WA_SKB1CE_STR-XLOEB sy-vline 
WA_SKB1CE_STR-XNKON sy-vline 
WA_SKB1CE_STR-XOPVW sy-vline 
WA_SKB1CE_STR-XSPEB sy-vline 
WA_SKB1CE_STR-ZINDT sy-vline 
WA_SKB1CE_STR-ZINRT sy-vline 
WA_SKB1CE_STR-ZUAWA sy-vline 
WA_SKB1CE_STR-ALTKT sy-vline 
WA_SKB1CE_STR-XMITK sy-vline 
WA_SKB1CE_STR-RECID sy-vline 
WA_SKB1CE_STR-FIPOS sy-vline 
WA_SKB1CE_STR-XMWNO sy-vline 
WA_SKB1CE_STR-XSALH sy-vline 
WA_SKB1CE_STR-BEWGP sy-vline 
WA_SKB1CE_STR-INFKY sy-vline 
WA_SKB1CE_STR-TOGRU sy-vline 
WA_SKB1CE_STR-XLGCLR sy-vline 
WA_SKB1CE_STR-MCAKEY sy-vline 
WA_SKB1CE_STR-COCHANGED sy-vline 
WA_SKB1CE_STR-LAST_CHANGED_TS sy-vline 
WA_SKB1CE_STR-MGEFL sy-vline 
WA_SKB1CE_STR-MSEHI sy-vline 
WA_SKB1CE_STR-KATYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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