ABAP Select data from SAP table ARRANG_ALV_USER_COMMAND_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARRANG_ALV_USER_COMMAND_STY
*  INTO TABLE @DATA(IT_ARRANG_ALV_USER_COMMAND_STY2).
*--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_ARRANG_ALV_USER_COMMAND_STY INDEX 1 INTO DATA(WA_ARRANG_ALV_USER_COMMAND_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARRANG_ALV_USER_COMMAND_STY>-KNUMH = 1.
<ARRANG_ALV_USER_COMMAND_STY>-KOPOS = 1.
<ARRANG_ALV_USER_COMMAND_STY>-EBELN = 1.
<ARRANG_ALV_USER_COMMAND_STY>-EBELP = 1.
<ARRANG_ALV_USER_COMMAND_STY>-BLTYPN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARRANG_ALV_USER_COMMAND_STY-BLTYPNTXT, sy-vline,
  WA_ARRANG_ALV_USER_COMMAND_STY-BELNR, sy-vline,
  WA_ARRANG_ALV_USER_COMMAND_STY-BUZEI, sy-vline,
  WA_ARRANG_ALV_USER_COMMAND_STY-BLTYPF, sy-vline,
  WA_ARRANG_ALV_USER_COMMAND_STY-BLTYPFTXT, sy-vline,
  WA_ARRANG_ALV_USER_COMMAND_STY-BUDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARRANG_ALV_USER_COMMAND_STY 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_ARRANG_ALV_USER_COMMAND_STY 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_ARRANG_ALV_USER_COMMAND_STY INTO WA_ARRANG_ALV_USER_COMMAND_STY.


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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ARRANG_ALV_USER_COMMAND_STY-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARRANG_ALV_USER_COMMAND_STY-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit GJAHR, internal->external for field SETTLE_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ARRANG_ALV_USER_COMMAND_STY-SETTLE_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARRANG_ALV_USER_COMMAND_STY-SETTLE_GJAHR.
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_ARRANG_ALV_USER_COMMAND_STY_STR, 
KNUMH TYPE STRING,
KOPOS TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
BLTYPN TYPE STRING,
BLTYPNTXT TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
BLTYPF TYPE STRING,
BLTYPFTXT TYPE STRING,
BUDAT TYPE STRING,
WKOPAR_LI TYPE STRING,
WKOPARTXT TYPE STRING,
GJAHR TYPE STRING,
BUKRS_EK TYPE STRING,
ETENR TYPE STRING,
ABRLF TYPE STRING,
SETTLE_ATYPE TYPE STRING,
SETTLE_TYPE_TEXT TYPE STRING,
SETTLE_BLTYPA TYPE STRING,
SETTLE_BLTYPA_TEXT_M TYPE STRING,
SETTLE_VBELN TYPE STRING,
SETTLE_POSNR TYPE STRING,
SETTLE_BELNR TYPE STRING,
SETTLE_BUKRS TYPE STRING,
SETTLE_GJAHR TYPE STRING,
FSTORNO TYPE STRING,
SETTLE_BLDAT TYPE STRING,
SETTLE_MABRE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARRANG_ALV_USER_COMMAND_STY_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_ARRANG_ALV_USER_COMMAND_STY_STR-KNUMH sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-KOPOS sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-EBELN sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-EBELP sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-BLTYPN sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-BLTYPNTXT sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-BELNR sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-BUZEI sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-BLTYPF sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-BLTYPFTXT sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-BUDAT sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-WKOPAR_LI sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-WKOPARTXT sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-GJAHR sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-BUKRS_EK sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-ETENR sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-ABRLF sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_ATYPE sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_TYPE_TEXT sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_BLTYPA sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_BLTYPA_TEXT_M sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_VBELN sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_POSNR sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_BELNR sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_BUKRS sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_GJAHR sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-FSTORNO sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_BLDAT sy-vline 
WA_ARRANG_ALV_USER_COMMAND_STY_STR-SETTLE_MABRE sy-vline      INTO ld_text SEPARATED BY SPACE.

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