ABAP Select data from SAP table PRDMS_CRM_PS_DM_FT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRDMS_CRM_PS_DM_FT
*  INTO TABLE @DATA(IT_PRDMS_CRM_PS_DM_FT2).
*--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_PRDMS_CRM_PS_DM_FT INDEX 1 INTO DATA(WA_PRDMS_CRM_PS_DM_FT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRDMS_CRM_PS_DM_FT>-CLIENT = 1.
<PRDMS_CRM_PS_DM_FT>-PRODUCT_ID = 1.
<PRDMS_CRM_PS_DM_FT>-PRODUCT_GUID = 1.
<PRDMS_CRM_PS_DM_FT>-PRODUCT_TYPE = 1.
<PRDMS_CRM_PS_DM_FT>-FRAGMENT_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRDMS_CRM_PS_DM_FT-LOGSYS, sy-vline,
  WA_PRDMS_CRM_PS_DM_FT-FRG_GUID, sy-vline,
  WA_PRDMS_CRM_PS_DM_FT-VALID_FROM, sy-vline,
  WA_PRDMS_CRM_PS_DM_FT-VALID_TO, sy-vline,
  WA_PRDMS_CRM_PS_DM_FT-UPNAME, sy-vline,
  WA_PRDMS_CRM_PS_DM_FT-HISTEX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRDMS_CRM_PS_DM_FT 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_PRDMS_CRM_PS_DM_FT 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_PRDMS_CRM_PS_DM_FT INTO WA_PRDMS_CRM_PS_DM_FT.


*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 PRID1, internal->external for field PRODUCT_ID
CALL FUNCTION 'CONVERSION_EXIT_PRID1_OUTPUT'
  EXPORTING
    input =                      WA_PRDMS_CRM_PS_DM_FT-PRODUCT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRDMS_CRM_PS_DM_FT-PRODUCT_ID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTPS, internal->external for field VALID_FROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_PRDMS_CRM_PS_DM_FT-VALID_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRDMS_CRM_PS_DM_FT-VALID_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VALID_TO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_PRDMS_CRM_PS_DM_FT-VALID_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRDMS_CRM_PS_DM_FT-VALID_TO.
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_PRDMS_CRM_PS_DM_FT_STR, 
CLIENT TYPE STRING,
PRODUCT_ID TYPE STRING,
PRODUCT_GUID TYPE STRING,
PRODUCT_TYPE TYPE STRING,
FRAGMENT_TYPE TYPE STRING,
LOGSYS TYPE STRING,
FRG_GUID TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
UPNAME TYPE STRING,
HISTEX TYPE STRING,
FF0010 TYPE STRING,
FF0011 TYPE STRING,
FF0012 TYPE STRING,
FF0013 TYPE STRING,
FF0014 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRDMS_CRM_PS_DM_FT_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_PRDMS_CRM_PS_DM_FT_STR-CLIENT sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-PRODUCT_ID sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-PRODUCT_GUID sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-PRODUCT_TYPE sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-FRAGMENT_TYPE sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-LOGSYS sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-FRG_GUID sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-VALID_FROM sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-VALID_TO sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-UPNAME sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-HISTEX sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-FF0010 sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-FF0011 sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-FF0012 sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-FF0013 sy-vline 
WA_PRDMS_CRM_PS_DM_FT_STR-FF0014 sy-vline      INTO ld_text SEPARATED BY SPACE.

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