ABAP Select data from SAP table RFVICNOBJ_ALV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFVICNOBJ_ALV
*  INTO TABLE @DATA(IT_RFVICNOBJ_ALV2).
*--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_RFVICNOBJ_ALV INDEX 1 INTO DATA(WA_RFVICNOBJ_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFVICNOBJ_ALV>-OBART = 1.
<RFVICNOBJ_ALV>-OBJID = 1.
<RFVICNOBJ_ALV>-OBJTXT = 1.
<RFVICNOBJ_ALV>-OBJNR = 1.
<RFVICNOBJ_ALV>-ADDRESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFVICNOBJ_ALV-DATGAB, sy-vline,
  WA_RFVICNOBJ_ALV-DATBIS, sy-vline,
  WA_RFVICNOBJ_ALV-BUKRS, sy-vline,
  WA_RFVICNOBJ_ALV-RECNNR, sy-vline,
  WA_RFVICNOBJ_ALV-BUKRS_OBJ, sy-vline,
  WA_RFVICNOBJ_ALV-SWENR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFVICNOBJ_ALV 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_RFVICNOBJ_ALV 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_RFVICNOBJ_ALV INTO WA_RFVICNOBJ_ALV.


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

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

*Conversion exit CUNIT, internal->external for field FEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RFVICNOBJ_ALV-FEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFVICNOBJ_ALV-FEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field REINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RFVICNOBJ_ALV-REINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFVICNOBJ_ALV-REINS.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field VVLEN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RFVICNOBJ_ALV-VVLEN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFVICNOBJ_ALV-VVLEN.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit SGENR, internal->external for field RPGENR
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_RFVICNOBJ_ALV-RPGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFVICNOBJ_ALV-RPGENR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit SMENR, internal->external for field SGEBSMENR
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_RFVICNOBJ_ALV-SGEBSMENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFVICNOBJ_ALV-SGEBSMENR.
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_RFVICNOBJ_ALV_STR, 
OBART TYPE STRING,
OBJID TYPE STRING,
OBJTXT TYPE STRING,
OBJNR TYPE STRING,
ADDRESS TYPE STRING,
DATGAB TYPE STRING,
DATBIS TYPE STRING,
BUKRS TYPE STRING,
RECNNR TYPE STRING,
BUKRS_OBJ TYPE STRING,
SWENR TYPE STRING,
GSBER TYPE STRING,
SINSTBEZ TYPE STRING,
SVERKEHR TYPE STRING,
XWETEXT TYPE STRING,
SLAGEWE TYPE STRING,
RKZBEST TYPE STRING,
SOBJLAGE TYPE STRING,
SMIETSP TYPE STRING,
WAERS TYPE STRING,
FEINS TYPE STRING,
REINS TYPE STRING,
JLOESCH TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
SMIETR TYPE STRING,
VORBK TYPE STRING,
VORHK TYPE STRING,
DAKTBEST TYPE STRING,
ANLN1 TYPE STRING,
IMKEY TYPE STRING,
VVLEN TYPE STRING,
KOSTL TYPE STRING,
J_OBJNR TYPE STRING,
PRCTR TYPE STRING,
ADRNR TYPE STRING,
SSTDORT TYPE STRING,
KOKRS TYPE STRING,
INTRENO TYPE STRING,
TXJCD TYPE STRING,
BERGRP TYPE STRING,
SGRNR TYPE STRING,
XGRTXT TYPE STRING,
RGRNART TYPE STRING,
BDMQMB1 TYPE STRING,
BDMQMB2 TYPE STRING,
XNUTZGRU TYPE STRING,
RARTOPT TYPE STRING,
DVERKAUF TYPE STRING,
SGENR TYPE STRING,
RGEBART TYPE STRING,
RGEBZUST TYPE STRING,
YBAUJAHR TYPE STRING,
YMODERN TYPE STRING,
YAUFBAU TYPE STRING,
DBAUBEGI TYPE STRING,
BBAUW13 TYPE STRING,
BBAUWAKT TYPE STRING,
BBETRIEB TYPE STRING,
BAUSSEN TYPE STRING,
BSCHADEN TYPE STRING,
BREPSTAU TYPE STRING,
BDMCBMRA TYPE STRING,
DBEZUGSF TYPE STRING,
DFERTIG TYPE STRING,
BUBRA TYPE STRING,
SGRUNDB TYPE STRING,
XGETXT TYPE STRING,
BANZGE TYPE STRING,
RPGENR TYPE STRING,
SMENR TYPE STRING,
SGEBSMENR TYPE STRING,
SHEIZNR TYPE STRING,
SNUNR TYPE STRING,
DBEZU TYPE STRING,
AZIMM TYPE STRING,
AHALBZI TYPE STRING,
SHEIZART TYPE STRING,
SGEBT TYPE STRING,
XAUSTKL TYPE STRING,
SNKS TYPE STRING,
XMETXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFVICNOBJ_ALV_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_RFVICNOBJ_ALV_STR-OBART sy-vline 
WA_RFVICNOBJ_ALV_STR-OBJID sy-vline 
WA_RFVICNOBJ_ALV_STR-OBJTXT sy-vline 
WA_RFVICNOBJ_ALV_STR-OBJNR sy-vline 
WA_RFVICNOBJ_ALV_STR-ADDRESS sy-vline 
WA_RFVICNOBJ_ALV_STR-DATGAB sy-vline 
WA_RFVICNOBJ_ALV_STR-DATBIS sy-vline 
WA_RFVICNOBJ_ALV_STR-BUKRS sy-vline 
WA_RFVICNOBJ_ALV_STR-RECNNR sy-vline 
WA_RFVICNOBJ_ALV_STR-BUKRS_OBJ sy-vline 
WA_RFVICNOBJ_ALV_STR-SWENR sy-vline 
WA_RFVICNOBJ_ALV_STR-GSBER sy-vline 
WA_RFVICNOBJ_ALV_STR-SINSTBEZ sy-vline 
WA_RFVICNOBJ_ALV_STR-SVERKEHR sy-vline 
WA_RFVICNOBJ_ALV_STR-XWETEXT sy-vline 
WA_RFVICNOBJ_ALV_STR-SLAGEWE sy-vline 
WA_RFVICNOBJ_ALV_STR-RKZBEST sy-vline 
WA_RFVICNOBJ_ALV_STR-SOBJLAGE sy-vline 
WA_RFVICNOBJ_ALV_STR-SMIETSP sy-vline 
WA_RFVICNOBJ_ALV_STR-WAERS sy-vline 
WA_RFVICNOBJ_ALV_STR-FEINS sy-vline 
WA_RFVICNOBJ_ALV_STR-REINS sy-vline 
WA_RFVICNOBJ_ALV_STR-JLOESCH sy-vline 
WA_RFVICNOBJ_ALV_STR-RERF sy-vline 
WA_RFVICNOBJ_ALV_STR-DERF sy-vline 
WA_RFVICNOBJ_ALV_STR-TERF sy-vline 
WA_RFVICNOBJ_ALV_STR-REHER sy-vline 
WA_RFVICNOBJ_ALV_STR-RBEAR sy-vline 
WA_RFVICNOBJ_ALV_STR-DBEAR sy-vline 
WA_RFVICNOBJ_ALV_STR-TBEAR sy-vline 
WA_RFVICNOBJ_ALV_STR-RBHER sy-vline 
WA_RFVICNOBJ_ALV_STR-SMIETR sy-vline 
WA_RFVICNOBJ_ALV_STR-VORBK sy-vline 
WA_RFVICNOBJ_ALV_STR-VORHK sy-vline 
WA_RFVICNOBJ_ALV_STR-DAKTBEST sy-vline 
WA_RFVICNOBJ_ALV_STR-ANLN1 sy-vline 
WA_RFVICNOBJ_ALV_STR-IMKEY sy-vline 
WA_RFVICNOBJ_ALV_STR-VVLEN sy-vline 
WA_RFVICNOBJ_ALV_STR-KOSTL sy-vline 
WA_RFVICNOBJ_ALV_STR-J_OBJNR sy-vline 
WA_RFVICNOBJ_ALV_STR-PRCTR sy-vline 
WA_RFVICNOBJ_ALV_STR-ADRNR sy-vline 
WA_RFVICNOBJ_ALV_STR-SSTDORT sy-vline 
WA_RFVICNOBJ_ALV_STR-KOKRS sy-vline 
WA_RFVICNOBJ_ALV_STR-INTRENO sy-vline 
WA_RFVICNOBJ_ALV_STR-TXJCD sy-vline 
WA_RFVICNOBJ_ALV_STR-BERGRP sy-vline 
WA_RFVICNOBJ_ALV_STR-SGRNR sy-vline 
WA_RFVICNOBJ_ALV_STR-XGRTXT sy-vline 
WA_RFVICNOBJ_ALV_STR-RGRNART sy-vline 
WA_RFVICNOBJ_ALV_STR-BDMQMB1 sy-vline 
WA_RFVICNOBJ_ALV_STR-BDMQMB2 sy-vline 
WA_RFVICNOBJ_ALV_STR-XNUTZGRU sy-vline 
WA_RFVICNOBJ_ALV_STR-RARTOPT sy-vline 
WA_RFVICNOBJ_ALV_STR-DVERKAUF sy-vline 
WA_RFVICNOBJ_ALV_STR-SGENR sy-vline 
WA_RFVICNOBJ_ALV_STR-RGEBART sy-vline 
WA_RFVICNOBJ_ALV_STR-RGEBZUST sy-vline 
WA_RFVICNOBJ_ALV_STR-YBAUJAHR sy-vline 
WA_RFVICNOBJ_ALV_STR-YMODERN sy-vline 
WA_RFVICNOBJ_ALV_STR-YAUFBAU sy-vline 
WA_RFVICNOBJ_ALV_STR-DBAUBEGI sy-vline 
WA_RFVICNOBJ_ALV_STR-BBAUW13 sy-vline 
WA_RFVICNOBJ_ALV_STR-BBAUWAKT sy-vline 
WA_RFVICNOBJ_ALV_STR-BBETRIEB sy-vline 
WA_RFVICNOBJ_ALV_STR-BAUSSEN sy-vline 
WA_RFVICNOBJ_ALV_STR-BSCHADEN sy-vline 
WA_RFVICNOBJ_ALV_STR-BREPSTAU sy-vline 
WA_RFVICNOBJ_ALV_STR-BDMCBMRA sy-vline 
WA_RFVICNOBJ_ALV_STR-DBEZUGSF sy-vline 
WA_RFVICNOBJ_ALV_STR-DFERTIG sy-vline 
WA_RFVICNOBJ_ALV_STR-BUBRA sy-vline 
WA_RFVICNOBJ_ALV_STR-SGRUNDB sy-vline 
WA_RFVICNOBJ_ALV_STR-XGETXT sy-vline 
WA_RFVICNOBJ_ALV_STR-BANZGE sy-vline 
WA_RFVICNOBJ_ALV_STR-RPGENR sy-vline 
WA_RFVICNOBJ_ALV_STR-SMENR sy-vline 
WA_RFVICNOBJ_ALV_STR-SGEBSMENR sy-vline 
WA_RFVICNOBJ_ALV_STR-SHEIZNR sy-vline 
WA_RFVICNOBJ_ALV_STR-SNUNR sy-vline 
WA_RFVICNOBJ_ALV_STR-DBEZU sy-vline 
WA_RFVICNOBJ_ALV_STR-AZIMM sy-vline 
WA_RFVICNOBJ_ALV_STR-AHALBZI sy-vline 
WA_RFVICNOBJ_ALV_STR-SHEIZART sy-vline 
WA_RFVICNOBJ_ALV_STR-SGEBT sy-vline 
WA_RFVICNOBJ_ALV_STR-XAUSTKL sy-vline 
WA_RFVICNOBJ_ALV_STR-SNKS sy-vline 
WA_RFVICNOBJ_ALV_STR-XMETXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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