ABAP Select data from SAP table /SCMTMS/S_TAL_ROOT_K 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_TAL_ROOT_K 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_TAL_ROOT_K. 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_TAL_ROOT_K 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_TAL_ROOT_K TYPE STANDARD TABLE OF /SCMTMS/S_TAL_ROOT_K,
      WA_/SCMTMS/S_TAL_ROOT_K TYPE /SCMTMS/S_TAL_ROOT_K,
      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_TAL_ROOT_K> TYPE /SCMTMS/S_TAL_ROOT_K.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_TAL_ROOT_K
*  INTO TABLE @DATA(IT_/SCMTMS/S_TAL_ROOT_K2).
*--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_TAL_ROOT_K INDEX 1 INTO DATA(WA_/SCMTMS/S_TAL_ROOT_K2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_TAL_ROOT_K>-KEY = 1.
</SCMTMS/S_TAL_ROOT_K>-PARENT_KEY = 1.
</SCMTMS/S_TAL_ROOT_K>-ROOT_KEY = 1.
</SCMTMS/S_TAL_ROOT_K>-TAL_ID = 1.
</SCMTMS/S_TAL_ROOT_K>-TAL_CAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_TAL_ROOT_K-TAL_TYPE, sy-vline,
  WA_/SCMTMS/S_TAL_ROOT_K-TDL_UUID, sy-vline,
  WA_/SCMTMS/S_TAL_ROOT_K-TSP_UUID, sy-vline,
  WA_/SCMTMS/S_TAL_ROOT_K-VALID_FROM, sy-vline,
  WA_/SCMTMS/S_TAL_ROOT_K-VALID_TO, sy-vline,
  WA_/SCMTMS/S_TAL_ROOT_K-TZONE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_TAL_ROOT_K 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_TAL_ROOT_K 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_TAL_ROOT_K INTO WA_/SCMTMS/S_TAL_ROOT_K.


*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 TAL_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_TAL_ROOT_K-TAL_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TAL_ROOT_K-TAL_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TDLID, internal->external for field TDL_UUID
CALL FUNCTION 'CONVERSION_EXIT_TDLID_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_TAL_ROOT_K-TDL_UUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TAL_ROOT_K-TDL_UUID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ID001, internal->external for field TSP_UUID
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_TAL_ROOT_K-TSP_UUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TAL_ROOT_K-TSP_UUID.
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_TAL_ROOT_K-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TAL_ROOT_K-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_TAL_ROOT_K-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TAL_ROOT_K-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_TAL_ROOT_K_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
TAL_ID TYPE STRING,
TAL_CAT TYPE STRING,
TAL_TYPE TYPE STRING,
TDL_UUID TYPE STRING,
TSP_UUID TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
TZONE TYPE STRING,
FAG_ITEM_KEY TYPE STRING,
SCHEDULE_KEY TYPE STRING,
SCH_REF_DATA_STATUS TYPE STRING,
SCH_BASED TYPE STRING,
USE_ATT TYPE STRING,
USE_CS TYPE STRING,
STICK_CALENDAR TYPE STRING,
BUCKET_TYPE TYPE STRING,
ARCHIVING TYPE STRING,
ARCHIVING_TIME TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
EEW_TAL_ROOT TYPE STRING,
AGEABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_TAL_ROOT_K_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_TAL_ROOT_K_STR-KEY sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-PARENT_KEY sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-ROOT_KEY sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-TAL_ID sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-TAL_CAT sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-TAL_TYPE sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-TDL_UUID sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-TSP_UUID sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-VALID_FROM sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-VALID_TO sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-TZONE sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-FAG_ITEM_KEY sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-SCHEDULE_KEY sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-SCH_REF_DATA_STATUS sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-SCH_BASED sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-USE_ATT sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-USE_CS sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-STICK_CALENDAR sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-BUCKET_TYPE sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-ARCHIVING sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-ARCHIVING_TIME sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-CREATED_BY sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-CREATED_ON sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-CHANGED_BY sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-CHANGED_ON sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-EEW_TAL_ROOT sy-vline 
WA_/SCMTMS/S_TAL_ROOT_K_STR-AGEABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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