ABAP Select data from SAP table SIM_RSUVM002_ALV9 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SIM_RSUVM002_ALV9 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 SIM_RSUVM002_ALV9. 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 SIM_RSUVM002_ALV9 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_SIM_RSUVM002_ALV9 TYPE STANDARD TABLE OF SIM_RSUVM002_ALV9,
      WA_SIM_RSUVM002_ALV9 TYPE SIM_RSUVM002_ALV9,
      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: <SIM_RSUVM002_ALV9> TYPE SIM_RSUVM002_ALV9.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SIM_RSUVM002_ALV9.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SIM_RSUVM002_ALV9
  INTO TABLE IT_SIM_RSUVM002_ALV9.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SIM_RSUVM002_ALV9
*  INTO TABLE @DATA(IT_SIM_RSUVM002_ALV92).
*--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_SIM_RSUVM002_ALV9 INDEX 1 INTO DATA(WA_SIM_RSUVM002_ALV92).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SIM_RSUVM002_ALV9 ASSIGNING <SIM_RSUVM002_ALV9>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SIM_RSUVM002_ALV9>-APPL = 1.
<SIM_RSUVM002_ALV9>-APPN = 1.
<SIM_RSUVM002_ALV9>-REPDATE = 1.
<SIM_RSUVM002_ALV9>-UNIT = 1.
<SIM_RSUVM002_ALV9>-UNIN = 1.

ENDLOOP.

LOOP AT IT_SIM_RSUVM002_ALV9 INTO WA_SIM_RSUVM002_ALV9.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SIM_RSUVM002_ALV9-PER_START, sy-vline,
  WA_SIM_RSUVM002_ALV9-PER_END, sy-vline,
  WA_SIM_RSUVM002_ALV9-CNT01, sy-vline,
  WA_SIM_RSUVM002_ALV9-CNT02, sy-vline,
  WA_SIM_RSUVM002_ALV9-CNT03, sy-vline,
  WA_SIM_RSUVM002_ALV9-CNT04, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SIM_RSUVM002_ALV9 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_SIM_RSUVM002_ALV9 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_SIM_RSUVM002_ALV9 INTO WA_SIM_RSUVM002_ALV9.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_SIM_RSUVM002_ALV9_STR, 
APPL TYPE STRING,
APPN TYPE STRING,
REPDATE TYPE STRING,
UNIT TYPE STRING,
UNIN TYPE STRING,
PER_START TYPE STRING,
PER_END TYPE STRING,
CNT01 TYPE STRING,
CNT02 TYPE STRING,
CNT03 TYPE STRING,
CNT04 TYPE STRING,
CNT05 TYPE STRING,
CNT06 TYPE STRING,
CNT07 TYPE STRING,
CNT08 TYPE STRING,
CNT09 TYPE STRING,
CNT10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SIM_RSUVM002_ALV9_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_SIM_RSUVM002_ALV9_STR-APPL sy-vline 
WA_SIM_RSUVM002_ALV9_STR-APPN sy-vline 
WA_SIM_RSUVM002_ALV9_STR-REPDATE sy-vline 
WA_SIM_RSUVM002_ALV9_STR-UNIT sy-vline 
WA_SIM_RSUVM002_ALV9_STR-UNIN sy-vline 
WA_SIM_RSUVM002_ALV9_STR-PER_START sy-vline 
WA_SIM_RSUVM002_ALV9_STR-PER_END sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT01 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT02 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT03 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT04 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT05 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT06 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT07 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT08 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT09 sy-vline 
WA_SIM_RSUVM002_ALV9_STR-CNT10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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