ABAP Select data from SAP table /SCMB/DFIF_SNC_RELSHP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMB/DFIF_SNC_RELSHP
*  INTO TABLE @DATA(IT_/SCMB/DFIF_SNC_RELSHP2).
*--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_/SCMB/DFIF_SNC_RELSHP INDEX 1 INTO DATA(WA_/SCMB/DFIF_SNC_RELSHP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMB/DFIF_SNC_RELSHP>-OBJ_FROM = 1.
</SCMB/DFIF_SNC_RELSHP>-CAT = 1.
</SCMB/DFIF_SNC_RELSHP>-DOCUMENT = 1.
</SCMB/DFIF_SNC_RELSHP>-ITEM = 1.
</SCMB/DFIF_SNC_RELSHP>-DOC_PARTNER_NO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMB/DFIF_SNC_RELSHP-GUID_APP, sy-vline,
  WA_/SCMB/DFIF_SNC_RELSHP-LOC_SHIP_FROM, sy-vline,
  WA_/SCMB/DFIF_SNC_RELSHP-LOC_SHIP_TO, sy-vline,
  WA_/SCMB/DFIF_SNC_RELSHP-LOC_CUSTOMER, sy-vline,
  WA_/SCMB/DFIF_SNC_RELSHP-CUSTOMER, sy-vline,
  WA_/SCMB/DFIF_SNC_RELSHP-SUPPLIER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMB/DFIF_SNC_RELSHP 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_/SCMB/DFIF_SNC_RELSHP 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_/SCMB/DFIF_SNC_RELSHP INTO WA_/SCMB/DFIF_SNC_RELSHP.


*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 DOC_PARTNER_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/DFIF_SNC_RELSHP-DOC_PARTNER_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/DFIF_SNC_RELSHP-DOC_PARTNER_NO.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit KNBCV, internal->external for field KANBAN_ID
CALL FUNCTION 'CONVERSION_EXIT_KNBCV_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/DFIF_SNC_RELSHP-KANBAN_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/DFIF_SNC_RELSHP-KANBAN_ID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit KNBCV, internal->external for field KANBAN_ID
CALL FUNCTION 'CONVERSION_EXIT_KNBCV_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/DFIF_SNC_RELSHP-KANBAN_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/DFIF_SNC_RELSHP-KANBAN_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_/SCMB/DFIF_SNC_RELSHP_STR, 
OBJ_FROM TYPE STRING,
CAT TYPE STRING,
DOCUMENT TYPE STRING,
ITEM TYPE STRING,
DOC_PARTNER_NO TYPE STRING,
GUID_APP TYPE STRING,
LOC_SHIP_FROM TYPE STRING,
LOC_SHIP_TO TYPE STRING,
LOC_CUSTOMER TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
GOODS_RECIPIENT TYPE STRING,
DLV_DATE TYPE STRING,
PRODUCT_ID TYPE STRING,
KANBAN_ID TYPE STRING,
OBJ_TO TYPE STRING,
CAT TYPE STRING,
DOCUMENT TYPE STRING,
ITEM TYPE STRING,
DOC_PARTNER_NO TYPE STRING,
GUID_APP TYPE STRING,
LOC_SHIP_FROM TYPE STRING,
LOC_SHIP_TO TYPE STRING,
LOC_CUSTOMER TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
GOODS_RECIPIENT TYPE STRING,
DLV_DATE TYPE STRING,
PRODUCT_ID TYPE STRING,
KANBAN_ID TYPE STRING,
RELSHP_TYPE TYPE STRING,
REL_QTY TYPE STRING,
REL_UOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMB/DFIF_SNC_RELSHP_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_/SCMB/DFIF_SNC_RELSHP_STR-OBJ_FROM sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-CAT sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-DOCUMENT sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-ITEM sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-DOC_PARTNER_NO sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-GUID_APP sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-LOC_SHIP_FROM sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-LOC_SHIP_TO sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-LOC_CUSTOMER sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-CUSTOMER sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-SUPPLIER sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-GOODS_RECIPIENT sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-DLV_DATE sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-PRODUCT_ID sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-KANBAN_ID sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-OBJ_TO sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-CAT sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-DOCUMENT sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-ITEM sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-DOC_PARTNER_NO sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-GUID_APP sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-LOC_SHIP_FROM sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-LOC_SHIP_TO sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-LOC_CUSTOMER sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-CUSTOMER sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-SUPPLIER sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-GOODS_RECIPIENT sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-DLV_DATE sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-PRODUCT_ID sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-KANBAN_ID sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-RELSHP_TYPE sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-REL_QTY sy-vline 
WA_/SCMB/DFIF_SNC_RELSHP_STR-REL_UOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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