ABAP Select data from SAP table /SCMTMS/D_WBNROT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMTMS/D_WBNROT 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 /SCMTMS/D_WBNROT. 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 /SCMTMS/D_WBNROT 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_/SCMTMS/D_WBNROT TYPE STANDARD TABLE OF /SCMTMS/D_WBNROT,
      WA_/SCMTMS/D_WBNROT TYPE /SCMTMS/D_WBNROT,
      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: </SCMTMS/D_WBNROT> TYPE /SCMTMS/D_WBNROT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMTMS/D_WBNROT
  INTO TABLE IT_/SCMTMS/D_WBNROT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/D_WBNROT
*  INTO TABLE @DATA(IT_/SCMTMS/D_WBNROT2).
*--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_/SCMTMS/D_WBNROT INDEX 1 INTO DATA(WA_/SCMTMS/D_WBNROT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMTMS/D_WBNROT ASSIGNING </SCMTMS/D_WBNROT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/D_WBNROT>-MANDT = 1.
</SCMTMS/D_WBNROT>-DB_KEY = 1.
</SCMTMS/D_WBNROT>-TYPE = 1.
</SCMTMS/D_WBNROT>-MOT = 1.
</SCMTMS/D_WBNROT>-STOCK_CAT = 1.

ENDLOOP.

LOOP AT IT_/SCMTMS/D_WBNROT INTO WA_/SCMTMS/D_WBNROT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/D_WBNROT-ORG_TYPE, sy-vline,
  WA_/SCMTMS/D_WBNROT-DIGITS, sy-vline,
  WA_/SCMTMS/D_WBNROT-CHK_DIGIT, sy-vline,
  WA_/SCMTMS/D_WBNROT-PREFIX, sy-vline,
  WA_/SCMTMS/D_WBNROT-RETNDAY, sy-vline,
  WA_/SCMTMS/D_WBNROT-RETNHRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/D_WBNROT 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_/SCMTMS/D_WBNROT 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_/SCMTMS/D_WBNROT INTO WA_/SCMTMS/D_WBNROT.


*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 ID001, internal->external for field BUPA_GUID
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_WBNROT-BUPA_GUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_WBNROT-BUPA_GUID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_WBNROT-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_WBNROT-CREATED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_WBNROT-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_WBNROT-CHANGED_ON.
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_/SCMTMS/D_WBNROT_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
TYPE TYPE STRING,
MOT TYPE STRING,
STOCK_CAT TYPE STRING,
ORG_TYPE TYPE STRING,
DIGITS TYPE STRING,
CHK_DIGIT TYPE STRING,
PREFIX TYPE STRING,
RETNDAY TYPE STRING,
RETNHRS TYPE STRING,
PREFIXLEN TYPE STRING,
CUSTOM_IMPL TYPE STRING,
CONS_MODE TYPE STRING,
ORG_ID TYPE STRING,
BUPA_GUID TYPE STRING,
AIRLINE_CODE TYPE STRING,
AIRLCAWB TYPE STRING,
SCAC TYPE STRING,
ID TYPE STRING,
FROM_NUM TYPE STRING,
TO_NUM TYPE STRING,
DESCRIPTION TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
THRESHOLD TYPE STRING,
THRESHOLD_PCT TYPE STRING,
EXT_NUMRNG TYPE STRING,
NO_RETURN TYPE STRING,
TRMODCAT TYPE STRING,
STOCK_EXHAUSTED TYPE STRING,
ARCHIVING TYPE STRING,
PREDECESSOR_STOCK_ID TYPE STRING,
PREDECESSOR_STOCK_KEY TYPE STRING,
LAST_DRAWN_NUMBER TYPE STRING,
NUMBERS_SKIPPED TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
EEW_WBN_ROOT TYPE STRING,
AGEABLE TYPE STRING,
_DATAAGING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/D_WBNROT_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_/SCMTMS/D_WBNROT_STR-MANDT sy-vline 
WA_/SCMTMS/D_WBNROT_STR-DB_KEY sy-vline 
WA_/SCMTMS/D_WBNROT_STR-TYPE sy-vline 
WA_/SCMTMS/D_WBNROT_STR-MOT sy-vline 
WA_/SCMTMS/D_WBNROT_STR-STOCK_CAT sy-vline 
WA_/SCMTMS/D_WBNROT_STR-ORG_TYPE sy-vline 
WA_/SCMTMS/D_WBNROT_STR-DIGITS sy-vline 
WA_/SCMTMS/D_WBNROT_STR-CHK_DIGIT sy-vline 
WA_/SCMTMS/D_WBNROT_STR-PREFIX sy-vline 
WA_/SCMTMS/D_WBNROT_STR-RETNDAY sy-vline 
WA_/SCMTMS/D_WBNROT_STR-RETNHRS sy-vline 
WA_/SCMTMS/D_WBNROT_STR-PREFIXLEN sy-vline 
WA_/SCMTMS/D_WBNROT_STR-CUSTOM_IMPL sy-vline 
WA_/SCMTMS/D_WBNROT_STR-CONS_MODE sy-vline 
WA_/SCMTMS/D_WBNROT_STR-ORG_ID sy-vline 
WA_/SCMTMS/D_WBNROT_STR-BUPA_GUID sy-vline 
WA_/SCMTMS/D_WBNROT_STR-AIRLINE_CODE sy-vline 
WA_/SCMTMS/D_WBNROT_STR-AIRLCAWB sy-vline 
WA_/SCMTMS/D_WBNROT_STR-SCAC sy-vline 
WA_/SCMTMS/D_WBNROT_STR-ID sy-vline 
WA_/SCMTMS/D_WBNROT_STR-FROM_NUM sy-vline 
WA_/SCMTMS/D_WBNROT_STR-TO_NUM sy-vline 
WA_/SCMTMS/D_WBNROT_STR-DESCRIPTION sy-vline 
WA_/SCMTMS/D_WBNROT_STR-VALID_FROM sy-vline 
WA_/SCMTMS/D_WBNROT_STR-VALID_TO sy-vline 
WA_/SCMTMS/D_WBNROT_STR-THRESHOLD sy-vline 
WA_/SCMTMS/D_WBNROT_STR-THRESHOLD_PCT sy-vline 
WA_/SCMTMS/D_WBNROT_STR-EXT_NUMRNG sy-vline 
WA_/SCMTMS/D_WBNROT_STR-NO_RETURN sy-vline 
WA_/SCMTMS/D_WBNROT_STR-TRMODCAT sy-vline 
WA_/SCMTMS/D_WBNROT_STR-STOCK_EXHAUSTED sy-vline 
WA_/SCMTMS/D_WBNROT_STR-ARCHIVING sy-vline 
WA_/SCMTMS/D_WBNROT_STR-PREDECESSOR_STOCK_ID sy-vline 
WA_/SCMTMS/D_WBNROT_STR-PREDECESSOR_STOCK_KEY sy-vline 
WA_/SCMTMS/D_WBNROT_STR-LAST_DRAWN_NUMBER sy-vline 
WA_/SCMTMS/D_WBNROT_STR-NUMBERS_SKIPPED sy-vline 
WA_/SCMTMS/D_WBNROT_STR-CREATED_BY sy-vline 
WA_/SCMTMS/D_WBNROT_STR-CREATED_ON sy-vline 
WA_/SCMTMS/D_WBNROT_STR-CHANGED_BY sy-vline 
WA_/SCMTMS/D_WBNROT_STR-CHANGED_ON sy-vline 
WA_/SCMTMS/D_WBNROT_STR-EEW_WBN_ROOT sy-vline 
WA_/SCMTMS/D_WBNROT_STR-AGEABLE sy-vline 
WA_/SCMTMS/D_WBNROT_STR-_DATAAGING sy-vline      INTO ld_text SEPARATED BY SPACE.

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