ABAP Select data from SAP table RFM_PSST_VIS_MAT_KPI_STO_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFM_PSST_VIS_MAT_KPI_STO_S
*  INTO TABLE @DATA(IT_RFM_PSST_VIS_MAT_KPI_STO_S2).
*--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_RFM_PSST_VIS_MAT_KPI_STO_S INDEX 1 INTO DATA(WA_RFM_PSST_VIS_MAT_KPI_STO_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFM_PSST_VIS_MAT_KPI_STO_S>-RFM_PSST_GROUP_ID = 1.
<RFM_PSST_VIS_MAT_KPI_STO_S>-RFM_PSST_RULE = 1.
<RFM_PSST_VIS_MAT_KPI_STO_S>-EBELN = 1.
<RFM_PSST_VIS_MAT_KPI_STO_S>-DISP_MATNR = 1.
<RFM_PSST_VIS_MAT_KPI_STO_S>-MAKTX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFM_PSST_VIS_MAT_KPI_STO_S-DISP_MATNR_MAKTX, sy-vline,
  WA_RFM_PSST_VIS_MAT_KPI_STO_S-MENGE, sy-vline,
  WA_RFM_PSST_VIS_MAT_KPI_STO_S-CNFM_QTY, sy-vline,
  WA_RFM_PSST_VIS_MAT_KPI_STO_S-ARUN_ALLOC_QTY, sy-vline,
  WA_RFM_PSST_VIS_MAT_KPI_STO_S-ARUN_STK_ALLOC_QTY, sy-vline,
  WA_RFM_PSST_VIS_MAT_KPI_STO_S-MEINS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFM_PSST_VIS_MAT_KPI_STO_S 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_RFM_PSST_VIS_MAT_KPI_STO_S 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_RFM_PSST_VIS_MAT_KPI_STO_S INTO WA_RFM_PSST_VIS_MAT_KPI_STO_S.


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

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

*Conversion exit MATN1, internal->external for field DISP_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RFM_PSST_VIS_MAT_KPI_STO_S-DISP_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_PSST_VIS_MAT_KPI_STO_S-DISP_MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RFM_PSST_VIS_MAT_KPI_STO_S-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_PSST_VIS_MAT_KPI_STO_S-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RFM_PSST_VIS_MAT_KPI_STO_S-SATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_PSST_VIS_MAT_KPI_STO_S-SATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field COLOR_ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_RFM_PSST_VIS_MAT_KPI_STO_S-COLOR_ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_PSST_VIS_MAT_KPI_STO_S-COLOR_ATINN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field SIZE1_ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_RFM_PSST_VIS_MAT_KPI_STO_S-SIZE1_ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_PSST_VIS_MAT_KPI_STO_S-SIZE1_ATINN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field SIZE2_ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_RFM_PSST_VIS_MAT_KPI_STO_S-SIZE2_ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_PSST_VIS_MAT_KPI_STO_S-SIZE2_ATINN.
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_RFM_PSST_VIS_MAT_KPI_STO_S_STR, 
RFM_PSST_GROUP_ID TYPE STRING,
RFM_PSST_RULE TYPE STRING,
EBELN TYPE STRING,
DISP_MATNR TYPE STRING,
MAKTX TYPE STRING,
DISP_MATNR_MAKTX TYPE STRING,
MENGE TYPE STRING,
CNFM_QTY TYPE STRING,
ARUN_ALLOC_QTY TYPE STRING,
ARUN_STK_ALLOC_QTY TYPE STRING,
MEINS TYPE STRING,
MAT_ARUN_REL TYPE STRING,
ARUN_STAT TYPE STRING,
ATTYP TYPE STRING,
SATNR TYPE STRING,
COLOR_ATINN TYPE STRING,
SIZE1_ATINN TYPE STRING,
SIZE2_ATINN TYPE STRING,
COLOR TYPE STRING,
COLOR_DESC TYPE STRING,
SIZE1 TYPE STRING,
SIZE1_DESC TYPE STRING,
SIZE2 TYPE STRING,
SIZE2_DESC TYPE STRING,
PERC_CONF_BASE TYPE STRING,
PERC_ALLOC_BASE TYPE STRING,
PERC_STK_ALLOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFM_PSST_VIS_MAT_KPI_STO_S_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_RFM_PSST_VIS_MAT_KPI_STO_S_STR-RFM_PSST_GROUP_ID sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-RFM_PSST_RULE sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-EBELN sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-DISP_MATNR sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-MAKTX sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-DISP_MATNR_MAKTX sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-MENGE sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-CNFM_QTY sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-ARUN_ALLOC_QTY sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-ARUN_STK_ALLOC_QTY sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-MEINS sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-MAT_ARUN_REL sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-ARUN_STAT sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-ATTYP sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-SATNR sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-COLOR_ATINN sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-SIZE1_ATINN sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-SIZE2_ATINN sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-COLOR sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-COLOR_DESC sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-SIZE1 sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-SIZE1_DESC sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-SIZE2 sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-SIZE2_DESC sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-PERC_CONF_BASE sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-PERC_ALLOC_BASE sy-vline 
WA_RFM_PSST_VIS_MAT_KPI_STO_S_STR-PERC_STK_ALLOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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