ABAP Select data from SAP table CSITEM_NEW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSITEM_NEW
*  INTO TABLE @DATA(IT_CSITEM_NEW2).
*--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_CSITEM_NEW INDEX 1 INTO DATA(WA_CSITEM_NEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSITEM_NEW>-UPSKZ = 1.
<CSITEM_NEW>-AUSKZ = 1.
<CSITEM_NEW>-ALPOS = 1.
<CSITEM_NEW>-AUSCH = 1.
<CSITEM_NEW>-AVOAU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSITEM_NEW-BEIKZ, sy-vline,
  WA_CSITEM_NEW-CADPO, sy-vline,
  WA_CSITEM_NEW-EKGRP, sy-vline,
  WA_CSITEM_NEW-ERSKZ, sy-vline,
  WA_CSITEM_NEW-FMENG, sy-vline,
  WA_CSITEM_NEW-IDNRK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSITEM_NEW 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_CSITEM_NEW 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_CSITEM_NEW INTO WA_CSITEM_NEW.


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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BI_STLAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSITEM_NEW-BI_STLAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSITEM_NEW-BI_STLAL.
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_CSITEM_NEW_STR, 
UPSKZ TYPE STRING,
AUSKZ TYPE STRING,
ALPOS TYPE STRING,
AUSCH TYPE STRING,
AVOAU TYPE STRING,
BEIKZ TYPE STRING,
CADPO TYPE STRING,
EKGRP TYPE STRING,
ERSKZ TYPE STRING,
FMENG TYPE STRING,
IDNRK TYPE STRING,
LIFNR TYPE STRING,
LIFZT TYPE STRING,
MATKL TYPE STRING,
MEINS TYPE STRING,
MENGE TYPE STRING,
NETAU TYPE STRING,
NFMAT TYPE STRING,
NLFZ3 TYPE STRING,
PEINH TYPE STRING,
POSNR TYPE STRING,
POSTP TYPE STRING,
PREIS TYPE STRING,
POTX1 TYPE STRING,
POTX2 TYPE STRING,
PSWRK TYPE STRING,
REKRS TYPE STRING,
RFORM TYPE STRING,
ROANZ TYPE STRING,
ROAME TYPE STRING,
ROKME TYPE STRING,
ROMEI TYPE STRING,
ROMEN TYPE STRING,
ROMS1 TYPE STRING,
ROMS2 TYPE STRING,
ROMS3 TYPE STRING,
RVREL TYPE STRING,
SAKTO TYPE STRING,
SANFE TYPE STRING,
SANIN TYPE STRING,
SANKA TYPE STRING,
SANKO TYPE STRING,
SANVS TYPE STRING,
SCHGT TYPE STRING,
SELAL TYPE STRING,
SELID TYPE STRING,
SELPO TYPE STRING,
SELSB TYPE STRING,
SORTF TYPE STRING,
STKKZ TYPE STRING,
STKTX TYPE STRING,
STLAL TYPE STRING,
STLKZ TYPE STRING,
VERTI TYPE STRING,
WEBAZ TYPE STRING,
WAERS TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
DOKTL TYPE STRING,
EWAHR TYPE STRING,
EKORG TYPE STRING,
LGORT TYPE STRING,
CLASS TYPE STRING,
KLART TYPE STRING,
POTPR TYPE STRING,
ALPGR TYPE STRING,
ALPST TYPE STRING,
ALPRF TYPE STRING,
DSPST TYPE STRING,
PRVBE TYPE STRING,
NFEAG TYPE STRING,
NFGRP TYPE STRING,
KZKUP TYPE STRING,
INTRM TYPE STRING,
KZCLB TYPE STRING,
NLFZV TYPE STRING,
NLFMV TYPE STRING,
RFPNT TYPE STRING,
NLFZT TYPE STRING,
ITSOB TYPE STRING,
BI_CLASS TYPE STRING,
BI_DOKAR TYPE STRING,
BI_DOKNR TYPE STRING,
BI_DOKTL TYPE STRING,
BI_DOKVR TYPE STRING,
BI_FCODE TYPE STRING,
BI_FPALT TYPE STRING,
BI_IDNRK TYPE STRING,
BI_KLART TYPE STRING,
BI_POSTP TYPE STRING,
BI_SPOSN TYPE STRING,
BI_STLAL TYPE STRING,
BI_STLKN TYPE STRING,
BI_STPOZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSITEM_NEW_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_CSITEM_NEW_STR-UPSKZ sy-vline 
WA_CSITEM_NEW_STR-AUSKZ sy-vline 
WA_CSITEM_NEW_STR-ALPOS sy-vline 
WA_CSITEM_NEW_STR-AUSCH sy-vline 
WA_CSITEM_NEW_STR-AVOAU sy-vline 
WA_CSITEM_NEW_STR-BEIKZ sy-vline 
WA_CSITEM_NEW_STR-CADPO sy-vline 
WA_CSITEM_NEW_STR-EKGRP sy-vline 
WA_CSITEM_NEW_STR-ERSKZ sy-vline 
WA_CSITEM_NEW_STR-FMENG sy-vline 
WA_CSITEM_NEW_STR-IDNRK sy-vline 
WA_CSITEM_NEW_STR-LIFNR sy-vline 
WA_CSITEM_NEW_STR-LIFZT sy-vline 
WA_CSITEM_NEW_STR-MATKL sy-vline 
WA_CSITEM_NEW_STR-MEINS sy-vline 
WA_CSITEM_NEW_STR-MENGE sy-vline 
WA_CSITEM_NEW_STR-NETAU sy-vline 
WA_CSITEM_NEW_STR-NFMAT sy-vline 
WA_CSITEM_NEW_STR-NLFZ3 sy-vline 
WA_CSITEM_NEW_STR-PEINH sy-vline 
WA_CSITEM_NEW_STR-POSNR sy-vline 
WA_CSITEM_NEW_STR-POSTP sy-vline 
WA_CSITEM_NEW_STR-PREIS sy-vline 
WA_CSITEM_NEW_STR-POTX1 sy-vline 
WA_CSITEM_NEW_STR-POTX2 sy-vline 
WA_CSITEM_NEW_STR-PSWRK sy-vline 
WA_CSITEM_NEW_STR-REKRS sy-vline 
WA_CSITEM_NEW_STR-RFORM sy-vline 
WA_CSITEM_NEW_STR-ROANZ sy-vline 
WA_CSITEM_NEW_STR-ROAME sy-vline 
WA_CSITEM_NEW_STR-ROKME sy-vline 
WA_CSITEM_NEW_STR-ROMEI sy-vline 
WA_CSITEM_NEW_STR-ROMEN sy-vline 
WA_CSITEM_NEW_STR-ROMS1 sy-vline 
WA_CSITEM_NEW_STR-ROMS2 sy-vline 
WA_CSITEM_NEW_STR-ROMS3 sy-vline 
WA_CSITEM_NEW_STR-RVREL sy-vline 
WA_CSITEM_NEW_STR-SAKTO sy-vline 
WA_CSITEM_NEW_STR-SANFE sy-vline 
WA_CSITEM_NEW_STR-SANIN sy-vline 
WA_CSITEM_NEW_STR-SANKA sy-vline 
WA_CSITEM_NEW_STR-SANKO sy-vline 
WA_CSITEM_NEW_STR-SANVS sy-vline 
WA_CSITEM_NEW_STR-SCHGT sy-vline 
WA_CSITEM_NEW_STR-SELAL sy-vline 
WA_CSITEM_NEW_STR-SELID sy-vline 
WA_CSITEM_NEW_STR-SELPO sy-vline 
WA_CSITEM_NEW_STR-SELSB sy-vline 
WA_CSITEM_NEW_STR-SORTF sy-vline 
WA_CSITEM_NEW_STR-STKKZ sy-vline 
WA_CSITEM_NEW_STR-STKTX sy-vline 
WA_CSITEM_NEW_STR-STLAL sy-vline 
WA_CSITEM_NEW_STR-STLKZ sy-vline 
WA_CSITEM_NEW_STR-VERTI sy-vline 
WA_CSITEM_NEW_STR-WEBAZ sy-vline 
WA_CSITEM_NEW_STR-WAERS sy-vline 
WA_CSITEM_NEW_STR-DOKAR sy-vline 
WA_CSITEM_NEW_STR-DOKNR sy-vline 
WA_CSITEM_NEW_STR-DOKVR sy-vline 
WA_CSITEM_NEW_STR-DOKTL sy-vline 
WA_CSITEM_NEW_STR-EWAHR sy-vline 
WA_CSITEM_NEW_STR-EKORG sy-vline 
WA_CSITEM_NEW_STR-LGORT sy-vline 
WA_CSITEM_NEW_STR-CLASS sy-vline 
WA_CSITEM_NEW_STR-KLART sy-vline 
WA_CSITEM_NEW_STR-POTPR sy-vline 
WA_CSITEM_NEW_STR-ALPGR sy-vline 
WA_CSITEM_NEW_STR-ALPST sy-vline 
WA_CSITEM_NEW_STR-ALPRF sy-vline 
WA_CSITEM_NEW_STR-DSPST sy-vline 
WA_CSITEM_NEW_STR-PRVBE sy-vline 
WA_CSITEM_NEW_STR-NFEAG sy-vline 
WA_CSITEM_NEW_STR-NFGRP sy-vline 
WA_CSITEM_NEW_STR-KZKUP sy-vline 
WA_CSITEM_NEW_STR-INTRM sy-vline 
WA_CSITEM_NEW_STR-KZCLB sy-vline 
WA_CSITEM_NEW_STR-NLFZV sy-vline 
WA_CSITEM_NEW_STR-NLFMV sy-vline 
WA_CSITEM_NEW_STR-RFPNT sy-vline 
WA_CSITEM_NEW_STR-NLFZT sy-vline 
WA_CSITEM_NEW_STR-ITSOB sy-vline 
WA_CSITEM_NEW_STR-BI_CLASS sy-vline 
WA_CSITEM_NEW_STR-BI_DOKAR sy-vline 
WA_CSITEM_NEW_STR-BI_DOKNR sy-vline 
WA_CSITEM_NEW_STR-BI_DOKTL sy-vline 
WA_CSITEM_NEW_STR-BI_DOKVR sy-vline 
WA_CSITEM_NEW_STR-BI_FCODE sy-vline 
WA_CSITEM_NEW_STR-BI_FPALT sy-vline 
WA_CSITEM_NEW_STR-BI_IDNRK sy-vline 
WA_CSITEM_NEW_STR-BI_KLART sy-vline 
WA_CSITEM_NEW_STR-BI_POSTP sy-vline 
WA_CSITEM_NEW_STR-BI_SPOSN sy-vline 
WA_CSITEM_NEW_STR-BI_STLAL sy-vline 
WA_CSITEM_NEW_STR-BI_STLKN sy-vline 
WA_CSITEM_NEW_STR-BI_STPOZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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