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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_SFIR_T_DATA
*  INTO TABLE @DATA(IT_/SCMTMS/S_SFIR_T_DATA2).
*--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/S_SFIR_T_DATA INDEX 1 INTO DATA(WA_/SCMTMS/S_SFIR_T_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_SFIR_T_DATA>-SFIR_CATEGORY = 1.
</SCMTMS/S_SFIR_T_DATA>-SFIR_NRANGE = 1.
</SCMTMS/S_SFIR_T_DATA>-DFLT_WEI_UOM = 1.
</SCMTMS/S_SFIR_T_DATA>-DFLT_VOL_UOM = 1.
</SCMTMS/S_SFIR_T_DATA>-DFLT_PCS_UOM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_SFIR_T_DATA-CHANGE_FLAG, sy-vline,
  WA_/SCMTMS/S_SFIR_T_DATA-BW_RELEVANCE, sy-vline,
  WA_/SCMTMS/S_SFIR_T_DATA-DISTR_RELEVANT, sy-vline,
  WA_/SCMTMS/S_SFIR_T_DATA-BLOCK_REASON, sy-vline,
  WA_/SCMTMS/S_SFIR_T_DATA-SFIR_CM_REASON, sy-vline,
  WA_/SCMTMS/S_SFIR_T_DATA-CREATED_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_SFIR_T_DATA 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/S_SFIR_T_DATA 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/S_SFIR_T_DATA INTO WA_/SCMTMS/S_SFIR_T_DATA.


*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 CUNIT, internal->external for field DFLT_WEI_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_SFIR_T_DATA-DFLT_WEI_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_SFIR_T_DATA-DFLT_WEI_UOM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_SFIR_T_DATA-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_SFIR_T_DATA-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/S_SFIR_T_DATA-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_SFIR_T_DATA-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/S_SFIR_T_DATA_STR, 
SFIR_CATEGORY TYPE STRING,
SFIR_NRANGE TYPE STRING,
DFLT_WEI_UOM TYPE STRING,
DFLT_VOL_UOM TYPE STRING,
DFLT_PCS_UOM TYPE STRING,
CHANGE_FLAG TYPE STRING,
BW_RELEVANCE TYPE STRING,
DISTR_RELEVANT TYPE STRING,
BLOCK_REASON TYPE STRING,
SFIR_CM_REASON TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
PPF_PROFILE TYPE STRING,
PPF_PROFILE_ADD TYPE STRING,
PPF_PROFILE_AUTO TYPE STRING,
ARCH_RET_PERIOD TYPE STRING,
VIEW_TYPE TYPE STRING,
TEXT_SCHEMA TYPE STRING,
DFLT_TEXT_TYPE TYPE STRING,
PARTNER_SCHEMA TYPE STRING,
DFLT_UI_CONFIG TYPE STRING,
DEFAULT_FSD_TYPE TYPE STRING,
CTRL_INV_STATUS TYPE STRING,
INV_DISP_REASON TYPE STRING,
TEXT_TYPE_CAR TYPE STRING,
FCI_CM_REASON TYPE STRING,
PROP_CR_AMOUNT TYPE STRING,
PO_TYPE TYPE STRING,
MATERIAL_GROUP TYPE STRING,
PLANT TYPE STRING,
ERP_PURCHASING_GROUP TYPE STRING,
DAAG_RESIDENCE TYPE STRING,
POST_INVOICE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_SFIR_T_DATA_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/S_SFIR_T_DATA_STR-SFIR_CATEGORY sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-SFIR_NRANGE sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-DFLT_WEI_UOM sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-DFLT_VOL_UOM sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-DFLT_PCS_UOM sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-CHANGE_FLAG sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-BW_RELEVANCE sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-DISTR_RELEVANT sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-BLOCK_REASON sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-SFIR_CM_REASON sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-CREATED_BY sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-CREATED_ON sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-CHANGED_BY sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-CHANGED_ON sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-PPF_PROFILE sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-PPF_PROFILE_ADD sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-PPF_PROFILE_AUTO sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-ARCH_RET_PERIOD sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-VIEW_TYPE sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-TEXT_SCHEMA sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-DFLT_TEXT_TYPE sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-PARTNER_SCHEMA sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-DFLT_UI_CONFIG sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-DEFAULT_FSD_TYPE sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-CTRL_INV_STATUS sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-INV_DISP_REASON sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-TEXT_TYPE_CAR sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-FCI_CM_REASON sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-PROP_CR_AMOUNT sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-PO_TYPE sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-MATERIAL_GROUP sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-PLANT sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-ERP_PURCHASING_GROUP sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-DAAG_RESIDENCE sy-vline 
WA_/SCMTMS/S_SFIR_T_DATA_STR-POST_INVOICE sy-vline      INTO ld_text SEPARATED BY SPACE.

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