ABAP Select data from SAP table /SRMERP/S_FS_ROOT_ESS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SRMERP/S_FS_ROOT_ESS 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 /SRMERP/S_FS_ROOT_ESS. 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 /SRMERP/S_FS_ROOT_ESS 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_/SRMERP/S_FS_ROOT_ESS TYPE STANDARD TABLE OF /SRMERP/S_FS_ROOT_ESS,
      WA_/SRMERP/S_FS_ROOT_ESS TYPE /SRMERP/S_FS_ROOT_ESS,
      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: </SRMERP/S_FS_ROOT_ESS> TYPE /SRMERP/S_FS_ROOT_ESS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SRMERP/S_FS_ROOT_ESS
*  INTO TABLE @DATA(IT_/SRMERP/S_FS_ROOT_ESS2).
*--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_/SRMERP/S_FS_ROOT_ESS INDEX 1 INTO DATA(WA_/SRMERP/S_FS_ROOT_ESS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SRMERP/S_FS_ROOT_ESS>-KEY = 1.
</SRMERP/S_FS_ROOT_ESS>-PARENT_KEY = 1.
</SRMERP/S_FS_ROOT_ESS>-ROOT_KEY = 1.
</SRMERP/S_FS_ROOT_ESS>-APPROVAL_NOTE = 1.
</SRMERP/S_FS_ROOT_ESS>-APPROVAL_NOTE_KEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SRMERP/S_FS_ROOT_ESS-KNTTP, sy-vline,
  WA_/SRMERP/S_FS_ROOT_ESS-KOSTL, sy-vline,
  WA_/SRMERP/S_FS_ROOT_ESS-KOKRS, sy-vline,
  WA_/SRMERP/S_FS_ROOT_ESS-ANLN1, sy-vline,
  WA_/SRMERP/S_FS_ROOT_ESS-ANLN2, sy-vline,
  WA_/SRMERP/S_FS_ROOT_ESS-PSP_PNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SRMERP/S_FS_ROOT_ESS 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_/SRMERP/S_FS_ROOT_ESS 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_/SRMERP/S_FS_ROOT_ESS INTO WA_/SRMERP/S_FS_ROOT_ESS.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SRMERP/S_FS_ROOT_ESS-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SRMERP/S_FS_ROOT_ESS-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SRMERP/S_FS_ROOT_ESS-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SRMERP/S_FS_ROOT_ESS-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SRMERP/S_FS_ROOT_ESS-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SRMERP/S_FS_ROOT_ESS-ANLN2.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field VORNR_AUF
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_/SRMERP/S_FS_ROOT_ESS-VORNR_AUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SRMERP/S_FS_ROOT_ESS-VORNR_AUF.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_/SRMERP/S_FS_ROOT_ESS-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SRMERP/S_FS_ROOT_ESS-FIPOS.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SRMERP/S_FS_ROOT_ESS-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SRMERP/S_FS_ROOT_ESS-ADRNR.
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_/SRMERP/S_FS_ROOT_ESS_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
APPROVAL_NOTE TYPE STRING,
APPROVAL_NOTE_KEY TYPE STRING,
KNTTP TYPE STRING,
KOSTL TYPE STRING,
KOKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
PSP_PNR TYPE STRING,
AUFNR TYPE STRING,
VORNR_AUF TYPE STRING,
VBELN TYPE STRING,
VBELP TYPE STRING,
SAKTO TYPE STRING,
GSBER TYPE STRING,
VETEN TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
KBLNR TYPE STRING,
KBLPOS TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
PARENT_NODE_KEY TYPE STRING,
ADDRESS_ID TYPE STRING,
ADDRESS_KEY TYPE STRING,
ADDR_SOURCE_KEY TYPE STRING,
IS_STANDARD TYPE STRING,
IS_REUSABLE TYPE STRING,
ADRNR TYPE STRING,
COMPANY_NAME TYPE STRING,
REQUESTOR_KEY TYPE STRING,
RECIPIENT_NAME TYPE STRING,
COUNTRY_CODE TYPE STRING,
CITY_NAME TYPE STRING,
STREET_POSTAL_CODE TYPE STRING,
STREET_NAME TYPE STRING,
HOUSE_ID TYPE STRING,
BUILDING_ID TYPE STRING,
FLOOR_ID TYPE STRING,
ROOM_ID TYPE STRING,
LOCATION TYPE STRING,
DELIVER_TO TYPE STRING,
CHARGE_TO TYPE STRING,
APPROVER TYPE STRING,
OBJECT_ID TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
CURR_MAX_ITM_NO TYPE STRING,
ITM_COUNT TYPE STRING,
CREA_DATE_TIME TYPE STRING,
CREA_UNAME TYPE STRING,
LCHG_DATE_TIME TYPE STRING,
LCHG_UNAME TYPE STRING,
TOTAL_VAL_NET TYPE STRING,
WAERS TYPE STRING,
APPROVAL_STATUS TYPE STRING,
DELIVERY_STATUS TYPE STRING,
CONSIST_STATUS TYPE STRING,
FOLLOW_ON_STATUS TYPE STRING,
CANCELATN_STATUS TYPE STRING,
LIFECYCLE_STATUS TYPE STRING,
ARCHIVING_STATUS TYPE STRING,
/SRMERP/E_SCROOT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SRMERP/S_FS_ROOT_ESS_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_/SRMERP/S_FS_ROOT_ESS_STR-KEY sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-PARENT_KEY sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ROOT_KEY sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-APPROVAL_NOTE sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-APPROVAL_NOTE_KEY sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-KNTTP sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-KOSTL sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-KOKRS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ANLN1 sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ANLN2 sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-PSP_PNR sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-AUFNR sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-VORNR_AUF sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-VBELN sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-VBELP sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-SAKTO sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-GSBER sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-VETEN sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-FIPOS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-FISTL sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-GEBER sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-KBLNR sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-KBLPOS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-FKBER sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-GRANT_NBR sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-PARENT_NODE_KEY sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ADDRESS_ID sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ADDRESS_KEY sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ADDR_SOURCE_KEY sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-IS_STANDARD sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-IS_REUSABLE sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ADRNR sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-COMPANY_NAME sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-REQUESTOR_KEY sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-RECIPIENT_NAME sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-COUNTRY_CODE sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-CITY_NAME sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-STREET_POSTAL_CODE sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-STREET_NAME sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-HOUSE_ID sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-BUILDING_ID sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-FLOOR_ID sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ROOM_ID sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-LOCATION sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-DELIVER_TO sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-CHARGE_TO sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-APPROVER sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-OBJECT_ID sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-DOCUMENT_TYPE sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-CURR_MAX_ITM_NO sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ITM_COUNT sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-CREA_DATE_TIME sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-CREA_UNAME sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-LCHG_DATE_TIME sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-LCHG_UNAME sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-TOTAL_VAL_NET sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-WAERS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-APPROVAL_STATUS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-DELIVERY_STATUS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-CONSIST_STATUS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-FOLLOW_ON_STATUS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-CANCELATN_STATUS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-LIFECYCLE_STATUS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-ARCHIVING_STATUS sy-vline 
WA_/SRMERP/S_FS_ROOT_ESS_STR-/SRMERP/E_SCROOT sy-vline      INTO ld_text SEPARATED BY SPACE.

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