ABAP Select data from SAP table CIF_R3POS_EXT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CIF_R3POS_EXT 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 CIF_R3POS_EXT. 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 CIF_R3POS_EXT 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_CIF_R3POS_EXT TYPE STANDARD TABLE OF CIF_R3POS_EXT,
      WA_CIF_R3POS_EXT TYPE CIF_R3POS_EXT,
      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: <CIF_R3POS_EXT> TYPE CIF_R3POS_EXT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CIF_R3POS_EXT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CIF_R3POS_EXT
  INTO TABLE IT_CIF_R3POS_EXT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CIF_R3POS_EXT
*  INTO TABLE @DATA(IT_CIF_R3POS_EXT2).
*--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_CIF_R3POS_EXT INDEX 1 INTO DATA(WA_CIF_R3POS_EXT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CIF_R3POS_EXT ASSIGNING <CIF_R3POS_EXT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CIF_R3POS_EXT>-AUFNR = 1.
<CIF_R3POS_EXT>-POSNR = 1.
<CIF_R3POS_EXT>-METHODE = 1.
<CIF_R3POS_EXT>-VERID = 1.
<CIF_R3POS_EXT>-APLZL = 1.

ENDLOOP.

LOOP AT IT_CIF_R3POS_EXT INTO WA_CIF_R3POS_EXT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CIF_R3POS_EXT-MASTERMAT, sy-vline,
  WA_CIF_R3POS_EXT-NEBENPROD, sy-vline,
  WA_CIF_R3POS_EXT-MATNR, sy-vline,
  WA_CIF_R3POS_EXT-BMEINS, sy-vline,
  WA_CIF_R3POS_EXT-GSTRP, sy-vline,
  WA_CIF_R3POS_EXT-GSUZP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CIF_R3POS_EXT 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_CIF_R3POS_EXT 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_CIF_R3POS_EXT INTO WA_CIF_R3POS_EXT.


*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 AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CIF_R3POS_EXT-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_R3POS_EXT-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CIF_R3POS_EXT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_R3POS_EXT-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BMEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CIF_R3POS_EXT-BMEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_R3POS_EXT-BMEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CIF_R3POS_EXT-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_R3POS_EXT-KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPEL
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_CIF_R3POS_EXT-PSPEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_R3POS_EXT-PSPEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CIF_R3POS_EXT-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_R3POS_EXT-STLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field NLFMV
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CIF_R3POS_EXT-NLFMV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_R3POS_EXT-NLFMV.
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_CIF_R3POS_EXT_STR, 
AUFNR TYPE STRING,
POSNR TYPE STRING,
METHODE TYPE STRING,
VERID TYPE STRING,
APLZL TYPE STRING,
MASTERMAT TYPE STRING,
NEBENPROD TYPE STRING,
MATNR TYPE STRING,
BMEINS TYPE STRING,
GSTRP TYPE STRING,
GSUZP TYPE STRING,
GLTRP TYPE STRING,
GLUZP TYPE STRING,
GAMNG TYPE STRING,
GASMG TYPE STRING,
WEMNG TYPE STRING,
PLWRK TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
WEBAZ TYPE STRING,
SOBKZ TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PSPEL TYPE STRING,
VRPLA TYPE STRING,
ATPCAT TYPE STRING,
STLTY TYPE STRING,
STLNR TYPE STRING,
STLKN TYPE STRING,
STPOZ TYPE STRING,
STVKN TYPE STRING,
LOGCOMP TYPE STRING,
CUOBJ TYPE STRING,
IAMNG TYPE STRING,
CUOBJ_TYPE TYPE STRING,
CUOBJ_ID TYPE STRING,
RSNUM TYPE STRING,
RSPOS TYPE STRING,
ELIKZ TYPE STRING,
IGNOREPEG TYPE STRING,
LINE_NO TYPE STRING,
POSITIONNO TYPE STRING,
EXT_VORID TYPE STRING,
MATCO TYPE STRING,
VFMNG TYPE STRING,
GSBTR TYPE STRING,
NLFZV TYPE STRING,
NLFMV TYPE STRING,
LOGCOMP_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CIF_R3POS_EXT_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_CIF_R3POS_EXT_STR-AUFNR sy-vline 
WA_CIF_R3POS_EXT_STR-POSNR sy-vline 
WA_CIF_R3POS_EXT_STR-METHODE sy-vline 
WA_CIF_R3POS_EXT_STR-VERID sy-vline 
WA_CIF_R3POS_EXT_STR-APLZL sy-vline 
WA_CIF_R3POS_EXT_STR-MASTERMAT sy-vline 
WA_CIF_R3POS_EXT_STR-NEBENPROD sy-vline 
WA_CIF_R3POS_EXT_STR-MATNR sy-vline 
WA_CIF_R3POS_EXT_STR-BMEINS sy-vline 
WA_CIF_R3POS_EXT_STR-GSTRP sy-vline 
WA_CIF_R3POS_EXT_STR-GSUZP sy-vline 
WA_CIF_R3POS_EXT_STR-GLTRP sy-vline 
WA_CIF_R3POS_EXT_STR-GLUZP sy-vline 
WA_CIF_R3POS_EXT_STR-GAMNG sy-vline 
WA_CIF_R3POS_EXT_STR-GASMG sy-vline 
WA_CIF_R3POS_EXT_STR-WEMNG sy-vline 
WA_CIF_R3POS_EXT_STR-PLWRK sy-vline 
WA_CIF_R3POS_EXT_STR-LGORT sy-vline 
WA_CIF_R3POS_EXT_STR-CHARG sy-vline 
WA_CIF_R3POS_EXT_STR-WEBAZ sy-vline 
WA_CIF_R3POS_EXT_STR-SOBKZ sy-vline 
WA_CIF_R3POS_EXT_STR-KDAUF sy-vline 
WA_CIF_R3POS_EXT_STR-KDPOS sy-vline 
WA_CIF_R3POS_EXT_STR-PSPEL sy-vline 
WA_CIF_R3POS_EXT_STR-VRPLA sy-vline 
WA_CIF_R3POS_EXT_STR-ATPCAT sy-vline 
WA_CIF_R3POS_EXT_STR-STLTY sy-vline 
WA_CIF_R3POS_EXT_STR-STLNR sy-vline 
WA_CIF_R3POS_EXT_STR-STLKN sy-vline 
WA_CIF_R3POS_EXT_STR-STPOZ sy-vline 
WA_CIF_R3POS_EXT_STR-STVKN sy-vline 
WA_CIF_R3POS_EXT_STR-LOGCOMP sy-vline 
WA_CIF_R3POS_EXT_STR-CUOBJ sy-vline 
WA_CIF_R3POS_EXT_STR-IAMNG sy-vline 
WA_CIF_R3POS_EXT_STR-CUOBJ_TYPE sy-vline 
WA_CIF_R3POS_EXT_STR-CUOBJ_ID sy-vline 
WA_CIF_R3POS_EXT_STR-RSNUM sy-vline 
WA_CIF_R3POS_EXT_STR-RSPOS sy-vline 
WA_CIF_R3POS_EXT_STR-ELIKZ sy-vline 
WA_CIF_R3POS_EXT_STR-IGNOREPEG sy-vline 
WA_CIF_R3POS_EXT_STR-LINE_NO sy-vline 
WA_CIF_R3POS_EXT_STR-POSITIONNO sy-vline 
WA_CIF_R3POS_EXT_STR-EXT_VORID sy-vline 
WA_CIF_R3POS_EXT_STR-MATCO sy-vline 
WA_CIF_R3POS_EXT_STR-VFMNG sy-vline 
WA_CIF_R3POS_EXT_STR-GSBTR sy-vline 
WA_CIF_R3POS_EXT_STR-NLFZV sy-vline 
WA_CIF_R3POS_EXT_STR-NLFMV sy-vline 
WA_CIF_R3POS_EXT_STR-LOGCOMP_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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