ABAP Select data from SAP table ARO_S_ARO_REP_FORECAST_HDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARO_S_ARO_REP_FORECAST_HDR
*  INTO TABLE @DATA(IT_ARO_S_ARO_REP_FORECAST_HDR2).
*--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_ARO_S_ARO_REP_FORECAST_HDR INDEX 1 INTO DATA(WA_ARO_S_ARO_REP_FORECAST_HDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARO_S_ARO_REP_FORECAST_HDR>-OBL_TYPE = 1.
<ARO_S_ARO_REP_FORECAST_HDR>-OBL_NUM = 1.
<ARO_S_ARO_REP_FORECAST_HDR>-COMP_CODE = 1.
<ARO_S_ARO_REP_FORECAST_HDR>-OBL_DESC = 1.
<ARO_S_ARO_REP_FORECAST_HDR>-OBL_STATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARO_S_ARO_REP_FORECAST_HDR-ARO_DATE_BEG, sy-vline,
  WA_ARO_S_ARO_REP_FORECAST_HDR-ARO_DATE_END, sy-vline,
  WA_ARO_S_ARO_REP_FORECAST_HDR-ARO_DATE_REMOVAL, sy-vline,
  WA_ARO_S_ARO_REP_FORECAST_HDR-ARO_ASSET_END, sy-vline,
  WA_ARO_S_ARO_REP_FORECAST_HDR-ARO_ASSETCLASS, sy-vline,
  WA_ARO_S_ARO_REP_FORECAST_HDR-BUS_AREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARO_S_ARO_REP_FORECAST_HDR 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_ARO_S_ARO_REP_FORECAST_HDR 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_ARO_S_ARO_REP_FORECAST_HDR INTO WA_ARO_S_ARO_REP_FORECAST_HDR.


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

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

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

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

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

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

*Conversion exit ABPSP, internal->external for field WBS_ELEM
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ARO_S_ARO_REP_FORECAST_HDR-WBS_ELEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARO_S_ARO_REP_FORECAST_HDR-WBS_ELEM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit IMKEY, internal->external for field RL_EST_KEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_ARO_S_ARO_REP_FORECAST_HDR-RL_EST_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARO_S_ARO_REP_FORECAST_HDR-RL_EST_KEY.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field ASSET_SUBNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ARO_S_ARO_REP_FORECAST_HDR-ASSET_SUBNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARO_S_ARO_REP_FORECAST_HDR-ASSET_SUBNO.
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_ARO_S_ARO_REP_FORECAST_HDR_STR, 
OBL_TYPE TYPE STRING,
OBL_NUM TYPE STRING,
COMP_CODE TYPE STRING,
OBL_DESC TYPE STRING,
OBL_STATUS TYPE STRING,
ARO_DATE_BEG TYPE STRING,
ARO_DATE_END TYPE STRING,
ARO_DATE_REMOVAL TYPE STRING,
ARO_ASSET_END TYPE STRING,
ARO_ASSETCLASS TYPE STRING,
BUS_AREA TYPE STRING,
COSTCENTER TYPE STRING,
RESP_COSTCENTER TYPE STRING,
ORDERID TYPE STRING,
WBS_ELEM TYPE STRING,
ACTTYPE TYPE STRING,
PLANT TYPE STRING,
LOCATION TYPE STRING,
ROOM TYPE STRING,
FUNC_AREA TYPE STRING,
SEGMENT TYPE STRING,
PROFIT_CTR TYPE STRING,
PROF_SEGM TYPE STRING,
RL_EST_KEY TYPE STRING,
TAXJURCODE TYPE STRING,
EXTERNAL_ID TYPE STRING,
ARO_TA_NUM TYPE STRING,
TA_DATE TYPE STRING,
ACC_PR TYPE STRING,
CURRENCY TYPE STRING,
INF_RATE_KEY TYPE STRING,
INT_RATE_KEY TYPE STRING,
ASSET_NO TYPE STRING,
ASSET_SUBNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARO_S_ARO_REP_FORECAST_HDR_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_ARO_S_ARO_REP_FORECAST_HDR_STR-OBL_TYPE sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-OBL_NUM sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-COMP_CODE sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-OBL_DESC sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-OBL_STATUS sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ARO_DATE_BEG sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ARO_DATE_END sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ARO_DATE_REMOVAL sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ARO_ASSET_END sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ARO_ASSETCLASS sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-BUS_AREA sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-COSTCENTER sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-RESP_COSTCENTER sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ORDERID sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-WBS_ELEM sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ACTTYPE sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-PLANT sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-LOCATION sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ROOM sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-FUNC_AREA sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-SEGMENT sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-PROFIT_CTR sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-PROF_SEGM sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-RL_EST_KEY sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-TAXJURCODE sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-EXTERNAL_ID sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ARO_TA_NUM sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-TA_DATE sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ACC_PR sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-CURRENCY sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-INF_RATE_KEY sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-INT_RATE_KEY sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ASSET_NO sy-vline 
WA_ARO_S_ARO_REP_FORECAST_HDR_STR-ASSET_SUBNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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