ABAP Select data from SAP table CMS_STR_OMS_BP_LNK_MAP_GET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMS_STR_OMS_BP_LNK_MAP_GET
*  INTO TABLE @DATA(IT_CMS_STR_OMS_BP_LNK_MAP_GET2).
*--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_CMS_STR_OMS_BP_LNK_MAP_GET INDEX 1 INTO DATA(WA_CMS_STR_OMS_BP_LNK_MAP_GET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMS_STR_OMS_BP_LNK_MAP_GET>-OBJ_GUID = 1.
<CMS_STR_OMS_BP_LNK_MAP_GET>-OBJECT_ID = 1.
<CMS_STR_OMS_BP_LNK_MAP_GET>-OBJECT_TYPE = 1.
<CMS_STR_OMS_BP_LNK_MAP_GET>-BP_LINK_GUID = 1.
<CMS_STR_OMS_BP_LNK_MAP_GET>-BU_PARTNERID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMS_STR_OMS_BP_LNK_MAP_GET-BPF, sy-vline,
  WA_CMS_STR_OMS_BP_LNK_MAP_GET-SHARE_NR, sy-vline,
  WA_CMS_STR_OMS_BP_LNK_MAP_GET-SHARE_DN, sy-vline,
  WA_CMS_STR_OMS_BP_LNK_MAP_GET-VALD_FRM, sy-vline,
  WA_CMS_STR_OMS_BP_LNK_MAP_GET-VALD_TLL, sy-vline,
  WA_CMS_STR_OMS_BP_LNK_MAP_GET-CREATED_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMS_STR_OMS_BP_LNK_MAP_GET 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_CMS_STR_OMS_BP_LNK_MAP_GET 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_CMS_STR_OMS_BP_LNK_MAP_GET INTO WA_CMS_STR_OMS_BP_LNK_MAP_GET.


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

*Conversion exit CMSBP, internal->external for field BU_PARTNERID
CALL FUNCTION 'CONVERSION_EXIT_CMSBP_OUTPUT'
  EXPORTING
    input =                      WA_CMS_STR_OMS_BP_LNK_MAP_GET-BU_PARTNERID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMS_STR_OMS_BP_LNK_MAP_GET-BU_PARTNERID.
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_CMS_STR_OMS_BP_LNK_MAP_GET_STR, 
OBJ_GUID TYPE STRING,
OBJECT_ID TYPE STRING,
OBJECT_TYPE TYPE STRING,
BP_LINK_GUID TYPE STRING,
BU_PARTNERID TYPE STRING,
BPF TYPE STRING,
SHARE_NR TYPE STRING,
SHARE_DN TYPE STRING,
VALD_FRM TYPE STRING,
VALD_TLL TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
SOURCEOFENTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMS_STR_OMS_BP_LNK_MAP_GET_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_CMS_STR_OMS_BP_LNK_MAP_GET_STR-OBJ_GUID sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-OBJECT_ID sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-OBJECT_TYPE sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-BP_LINK_GUID sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-BU_PARTNERID sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-BPF sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-SHARE_NR sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-SHARE_DN sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-VALD_FRM sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-VALD_TLL sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-CREATED_BY sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-CREATED_AT sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-CHANGED_BY sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-CHANGED_AT sy-vline 
WA_CMS_STR_OMS_BP_LNK_MAP_GET_STR-SOURCEOFENTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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