ABAP Select data from SAP table RPCAVTD0_ALV_TEMSE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPCAVTD0_ALV_TEMSE 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 RPCAVTD0_ALV_TEMSE. 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 RPCAVTD0_ALV_TEMSE 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_RPCAVTD0_ALV_TEMSE TYPE STANDARD TABLE OF RPCAVTD0_ALV_TEMSE,
      WA_RPCAVTD0_ALV_TEMSE TYPE RPCAVTD0_ALV_TEMSE,
      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: <RPCAVTD0_ALV_TEMSE> TYPE RPCAVTD0_ALV_TEMSE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPCAVTD0_ALV_TEMSE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPCAVTD0_ALV_TEMSE
  INTO TABLE IT_RPCAVTD0_ALV_TEMSE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPCAVTD0_ALV_TEMSE
*  INTO TABLE @DATA(IT_RPCAVTD0_ALV_TEMSE2).
*--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_RPCAVTD0_ALV_TEMSE INDEX 1 INTO DATA(WA_RPCAVTD0_ALV_TEMSE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPCAVTD0_ALV_TEMSE ASSIGNING <RPCAVTD0_ALV_TEMSE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPCAVTD0_ALV_TEMSE>-ICONS = 1.
<RPCAVTD0_ALV_TEMSE>-ICOND = 1.
<RPCAVTD0_ALV_TEMSE>-OBART = 1.
<RPCAVTD0_ALV_TEMSE>-VMGRD = 1.
<RPCAVTD0_ALV_TEMSE>-BLSTG = 1.

ENDLOOP.

LOOP AT IT_RPCAVTD0_ALV_TEMSE INTO WA_RPCAVTD0_ALV_TEMSE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPCAVTD0_ALV_TEMSE-LTRGR, sy-vline,
  WA_RPCAVTD0_ALV_TEMSE-TYPE, sy-vline,
  WA_RPCAVTD0_ALV_TEMSE-DATASET, sy-vline,
  WA_RPCAVTD0_ALV_TEMSE-SPOOLNR, sy-vline,
  WA_RPCAVTD0_ALV_TEMSE-TSOBJ, sy-vline,
  WA_RPCAVTD0_ALV_TEMSE-CVMTD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPCAVTD0_ALV_TEMSE 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_RPCAVTD0_ALV_TEMSE 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_RPCAVTD0_ALV_TEMSE INTO WA_RPCAVTD0_ALV_TEMSE.


*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_RPCAVTD0_ALV_TEMSE_STR, 
ICONS TYPE STRING,
ICOND TYPE STRING,
OBART TYPE STRING,
VMGRD TYPE STRING,
BLSTG TYPE STRING,
LTRGR TYPE STRING,
TYPE TYPE STRING,
DATASET TYPE STRING,
SPOOLNR TYPE STRING,
TSOBJ TYPE STRING,
CVMTD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPCAVTD0_ALV_TEMSE_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_RPCAVTD0_ALV_TEMSE_STR-ICONS sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-ICOND sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-OBART sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-VMGRD sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-BLSTG sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-LTRGR sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-TYPE sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-DATASET sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-SPOOLNR sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-TSOBJ sy-vline 
WA_RPCAVTD0_ALV_TEMSE_STR-CVMTD sy-vline      INTO ld_text SEPARATED BY SPACE.

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