ABAP Select data from SAP table CRMS4S_PS_NCDITEM_CON into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMS4S_PS_NCDITEM_CON 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 CRMS4S_PS_NCDITEM_CON. 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 CRMS4S_PS_NCDITEM_CON 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_CRMS4S_PS_NCDITEM_CON TYPE STANDARD TABLE OF CRMS4S_PS_NCDITEM_CON,
      WA_CRMS4S_PS_NCDITEM_CON TYPE CRMS4S_PS_NCDITEM_CON,
      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: <CRMS4S_PS_NCDITEM_CON> TYPE CRMS4S_PS_NCDITEM_CON.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMS4S_PS_NCDITEM_CON.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMS4S_PS_NCDITEM_CON
  INTO TABLE IT_CRMS4S_PS_NCDITEM_CON.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS4S_PS_NCDITEM_CON
*  INTO TABLE @DATA(IT_CRMS4S_PS_NCDITEM_CON2).
*--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_CRMS4S_PS_NCDITEM_CON INDEX 1 INTO DATA(WA_CRMS4S_PS_NCDITEM_CON2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMS4S_PS_NCDITEM_CON ASSIGNING <CRMS4S_PS_NCDITEM_CON>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS4S_PS_NCDITEM_CON>-POSNR = 1.
<CRMS4S_PS_NCDITEM_CON>-SXP_KIND = 1.
<CRMS4S_PS_NCDITEM_CON>-AMOUNT = 1.
<CRMS4S_PS_NCDITEM_CON>-CURRENCY = 1.
<CRMS4S_PS_NCDITEM_CON>-TAX_CATEGORY = 1.

ENDLOOP.

LOOP AT IT_CRMS4S_PS_NCDITEM_CON INTO WA_CRMS4S_PS_NCDITEM_CON.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS4S_PS_NCDITEM_CON-BENEFIT_ID, sy-vline,
  WA_CRMS4S_PS_NCDITEM_CON-BENEFIT_ID_EXT, sy-vline,
  WA_CRMS4S_PS_NCDITEM_CON-ITM_TYPE, sy-vline,
  WA_CRMS4S_PS_NCDITEM_CON-PROCESS_CATEGORY, sy-vline,
  WA_CRMS4S_PS_NCDITEM_CON-ENTITLEMENT_CAT, sy-vline,
  WA_CRMS4S_PS_NCDITEM_CON-DEDUCTION_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS4S_PS_NCDITEM_CON 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_CRMS4S_PS_NCDITEM_CON 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_CRMS4S_PS_NCDITEM_CON INTO WA_CRMS4S_PS_NCDITEM_CON.


*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 DEDUCT_TO_PAR_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_PS_NCDITEM_CON-DEDUCT_TO_PAR_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PS_NCDITEM_CON-DEDUCT_TO_PAR_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALT_PAYEE_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_PS_NCDITEM_CON-ALT_PAYEE_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PS_NCDITEM_CON-ALT_PAYEE_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALT_PAY_ADDR_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_PS_NCDITEM_CON-ALT_PAY_ADDR_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PS_NCDITEM_CON-ALT_PAY_ADDR_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SCOPE_PARTNER_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_PS_NCDITEM_CON-SCOPE_PARTNER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PS_NCDITEM_CON-SCOPE_PARTNER_ID.
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_CRMS4S_PS_NCDITEM_CON_STR, 
POSNR TYPE STRING,
SXP_KIND TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
TAX_CATEGORY TYPE STRING,
BENEFIT_ID TYPE STRING,
BENEFIT_ID_EXT TYPE STRING,
ITM_TYPE TYPE STRING,
PROCESS_CATEGORY TYPE STRING,
ENTITLEMENT_CAT TYPE STRING,
DEDUCTION_TYPE TYPE STRING,
DEDUCT_PERCENT TYPE STRING,
DEDUCT_PARTIAL TYPE STRING,
DEDUCT_PRIORITY TYPE STRING,
DEDUCT_TO_PARTY TYPE STRING,
DEDUCT_TO_PAR_NO TYPE STRING,
DEDUCT_PROC_CAT TYPE STRING,
DEDUCT_TYPE_RANK TYPE STRING,
NET_PART_DEDUCT TYPE STRING,
DUE_PER_BEG_ORIG TYPE STRING,
DUE_PER_END_ORIG TYPE STRING,
ENTITLEM_AMT TYPE STRING,
ENTITLEM_PERIODS TYPE STRING,
ENTITLEM_BEGDA TYPE STRING,
ENTITLEM_ENDDA TYPE STRING,
BASE_AMOUNT TYPE STRING,
REMAINING_AMOUNT TYPE STRING,
GPI_VERSIONID TYPE STRING,
GPI_ITEMID TYPE STRING,
ALT_PAYEE_GUID TYPE STRING,
ALT_PAYEE_NO TYPE STRING,
ALT_PAY_METHOD TYPE STRING,
ALT_PAY_ADDR_ID TYPE STRING,
ALT_PAY_ADDRGUID TYPE STRING,
ALT_PAY_BANK_ID TYPE STRING,
SCOPE_PARTNER_ID TYPE STRING,
SCOPE_ADDITIONAL_KEY TYPE STRING,
SCOPE_DESCRIPTION TYPE STRING,
SCOPE_CREATION_MODE TYPE STRING,
RED_REF_GUID TYPE STRING,
RED_REF_PRODUCT TYPE STRING,
IS_REDUCTION TYPE STRING,
SXP_TYPE TYPE STRING,
BENEFIT_PROG TYPE STRING,
DUMMY_NCDITEM_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS4S_PS_NCDITEM_CON_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_CRMS4S_PS_NCDITEM_CON_STR-POSNR sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-SXP_KIND sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-AMOUNT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-CURRENCY sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-TAX_CATEGORY sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-BENEFIT_ID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-BENEFIT_ID_EXT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ITM_TYPE sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-PROCESS_CATEGORY sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ENTITLEMENT_CAT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DEDUCTION_TYPE sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DEDUCT_PERCENT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DEDUCT_PARTIAL sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DEDUCT_PRIORITY sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DEDUCT_TO_PARTY sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DEDUCT_TO_PAR_NO sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DEDUCT_PROC_CAT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DEDUCT_TYPE_RANK sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-NET_PART_DEDUCT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DUE_PER_BEG_ORIG sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DUE_PER_END_ORIG sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ENTITLEM_AMT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ENTITLEM_PERIODS sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ENTITLEM_BEGDA sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ENTITLEM_ENDDA sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-BASE_AMOUNT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-REMAINING_AMOUNT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-GPI_VERSIONID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-GPI_ITEMID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ALT_PAYEE_GUID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ALT_PAYEE_NO sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ALT_PAY_METHOD sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ALT_PAY_ADDR_ID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ALT_PAY_ADDRGUID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-ALT_PAY_BANK_ID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-SCOPE_PARTNER_ID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-SCOPE_ADDITIONAL_KEY sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-SCOPE_DESCRIPTION sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-SCOPE_CREATION_MODE sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-RED_REF_GUID sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-RED_REF_PRODUCT sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-IS_REDUCTION sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-SXP_TYPE sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-BENEFIT_PROG sy-vline 
WA_CRMS4S_PS_NCDITEM_CON_STR-DUMMY_NCDITEM_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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