ABAP Select data from SAP table VISETS_GB_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VISETS_GB_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 VISETS_GB_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 VISETS_GB_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_VISETS_GB_ALV TYPE STANDARD TABLE OF VISETS_GB_ALV,
      WA_VISETS_GB_ALV TYPE VISETS_GB_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: <VISETS_GB_ALV> TYPE VISETS_GB_ALV.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VISETS_GB_ALV
*  INTO TABLE @DATA(IT_VISETS_GB_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_VISETS_GB_ALV INDEX 1 INTO DATA(WA_VISETS_GB_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VISETS_GB_ALV>-OBART = 1.
<VISETS_GB_ALV>-OBJID = 1.
<VISETS_GB_ALV>-OBJTXT = 1.
<VISETS_GB_ALV>-J_OBJNR = 1.
<VISETS_GB_ALV>-ADRESSE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VISETS_GB_ALV-BUKRS, sy-vline,
  WA_VISETS_GB_ALV-BUTXT, sy-vline,
  WA_VISETS_GB_ALV-SWENR, sy-vline,
  WA_VISETS_GB_ALV-XWETEXT, sy-vline,
  WA_VISETS_GB_ALV-SGENR, sy-vline,
  WA_VISETS_GB_ALV-ANLN1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VISETS_GB_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_VISETS_GB_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_VISETS_GB_ALV INTO WA_VISETS_GB_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 SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_VISETS_GB_ALV-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VISETS_GB_ALV-SWENR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field NEINHEITW
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VISETS_GB_ALV-NEINHEITW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VISETS_GB_ALV-NEINHEITW.
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_VISETS_GB_ALV_STR, 
OBART TYPE STRING,
OBJID TYPE STRING,
OBJTXT TYPE STRING,
J_OBJNR TYPE STRING,
ADRESSE TYPE STRING,
BUKRS TYPE STRING,
BUTXT TYPE STRING,
SWENR TYPE STRING,
XWETEXT TYPE STRING,
SGENR TYPE STRING,
ANLN1 TYPE STRING,
JANLHIE TYPE STRING,
SUNUTZA TYPE STRING,
GSBER TYPE STRING,
GTEXT TYPE STRING,
GSBER_LOG TYPE STRING,
GTEXT_LOG TYPE STRING,
PRCTR TYPE STRING,
KTEXT TYPE STRING,
PRCTR_LOG TYPE STRING,
KTEXT_LOG TYPE STRING,
RPGENR TYPE STRING,
KOKRS TYPE STRING,
BEZEI TYPE STRING,
WAERS TYPE STRING,
TXJCD TYPE STRING,
TXJCD_LOG TYPE STRING,
BERGRP TYPE STRING,
SMIETSP TYPE STRING,
XLBEZ TYPE STRING,
SLAGK TYPE STRING,
XMBEZ1 TYPE STRING,
RGEBART TYPE STRING,
XMBEZ2 TYPE STRING,
RGEBZUST TYPE STRING,
GEMEINDE TYPE STRING,
XGEMEINDE TYPE STRING,
XKREIS TYPE STRING,
XREGIO TYPE STRING,
BANZGE TYPE STRING,
JERBBAU TYPE STRING,
AUGESCH TYPE STRING,
JDENKMAL TYPE STRING,
DBAUVOR TYPE STRING,
DVORBES TYPE STRING,
DANTBAU TYPE STRING,
DBAUGENE TYPE STRING,
DBAUBEGI TYPE STRING,
DFERTIG TYPE STRING,
DSCHLUSS TYPE STRING,
DBEZUGSF TYPE STRING,
DWIRTUB TYPE STRING,
DNUTZEND TYPE STRING,
DFRDVON TYPE STRING,
DFRDBIS TYPE STRING,
DVRKPLAN TYPE STRING,
DVERKAUF TYPE STRING,
BUBRA TYPE STRING,
BDMCBMRA TYPE STRING,
BBAUW13 TYPE STRING,
BBAUWAKT TYPE STRING,
BEINHEITW TYPE STRING,
NEINHEITW TYPE STRING,
BVERSWRT TYPE STRING,
RVERSWRT TYPE STRING,
FDACHFL TYPE STRING,
RDAZUST TYPE STRING,
RFAZUST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VISETS_GB_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_VISETS_GB_ALV_STR-OBART sy-vline 
WA_VISETS_GB_ALV_STR-OBJID sy-vline 
WA_VISETS_GB_ALV_STR-OBJTXT sy-vline 
WA_VISETS_GB_ALV_STR-J_OBJNR sy-vline 
WA_VISETS_GB_ALV_STR-ADRESSE sy-vline 
WA_VISETS_GB_ALV_STR-BUKRS sy-vline 
WA_VISETS_GB_ALV_STR-BUTXT sy-vline 
WA_VISETS_GB_ALV_STR-SWENR sy-vline 
WA_VISETS_GB_ALV_STR-XWETEXT sy-vline 
WA_VISETS_GB_ALV_STR-SGENR sy-vline 
WA_VISETS_GB_ALV_STR-ANLN1 sy-vline 
WA_VISETS_GB_ALV_STR-JANLHIE sy-vline 
WA_VISETS_GB_ALV_STR-SUNUTZA sy-vline 
WA_VISETS_GB_ALV_STR-GSBER sy-vline 
WA_VISETS_GB_ALV_STR-GTEXT sy-vline 
WA_VISETS_GB_ALV_STR-GSBER_LOG sy-vline 
WA_VISETS_GB_ALV_STR-GTEXT_LOG sy-vline 
WA_VISETS_GB_ALV_STR-PRCTR sy-vline 
WA_VISETS_GB_ALV_STR-KTEXT sy-vline 
WA_VISETS_GB_ALV_STR-PRCTR_LOG sy-vline 
WA_VISETS_GB_ALV_STR-KTEXT_LOG sy-vline 
WA_VISETS_GB_ALV_STR-RPGENR sy-vline 
WA_VISETS_GB_ALV_STR-KOKRS sy-vline 
WA_VISETS_GB_ALV_STR-BEZEI sy-vline 
WA_VISETS_GB_ALV_STR-WAERS sy-vline 
WA_VISETS_GB_ALV_STR-TXJCD sy-vline 
WA_VISETS_GB_ALV_STR-TXJCD_LOG sy-vline 
WA_VISETS_GB_ALV_STR-BERGRP sy-vline 
WA_VISETS_GB_ALV_STR-SMIETSP sy-vline 
WA_VISETS_GB_ALV_STR-XLBEZ sy-vline 
WA_VISETS_GB_ALV_STR-SLAGK sy-vline 
WA_VISETS_GB_ALV_STR-XMBEZ1 sy-vline 
WA_VISETS_GB_ALV_STR-RGEBART sy-vline 
WA_VISETS_GB_ALV_STR-XMBEZ2 sy-vline 
WA_VISETS_GB_ALV_STR-RGEBZUST sy-vline 
WA_VISETS_GB_ALV_STR-GEMEINDE sy-vline 
WA_VISETS_GB_ALV_STR-XGEMEINDE sy-vline 
WA_VISETS_GB_ALV_STR-XKREIS sy-vline 
WA_VISETS_GB_ALV_STR-XREGIO sy-vline 
WA_VISETS_GB_ALV_STR-BANZGE sy-vline 
WA_VISETS_GB_ALV_STR-JERBBAU sy-vline 
WA_VISETS_GB_ALV_STR-AUGESCH sy-vline 
WA_VISETS_GB_ALV_STR-JDENKMAL sy-vline 
WA_VISETS_GB_ALV_STR-DBAUVOR sy-vline 
WA_VISETS_GB_ALV_STR-DVORBES sy-vline 
WA_VISETS_GB_ALV_STR-DANTBAU sy-vline 
WA_VISETS_GB_ALV_STR-DBAUGENE sy-vline 
WA_VISETS_GB_ALV_STR-DBAUBEGI sy-vline 
WA_VISETS_GB_ALV_STR-DFERTIG sy-vline 
WA_VISETS_GB_ALV_STR-DSCHLUSS sy-vline 
WA_VISETS_GB_ALV_STR-DBEZUGSF sy-vline 
WA_VISETS_GB_ALV_STR-DWIRTUB sy-vline 
WA_VISETS_GB_ALV_STR-DNUTZEND sy-vline 
WA_VISETS_GB_ALV_STR-DFRDVON sy-vline 
WA_VISETS_GB_ALV_STR-DFRDBIS sy-vline 
WA_VISETS_GB_ALV_STR-DVRKPLAN sy-vline 
WA_VISETS_GB_ALV_STR-DVERKAUF sy-vline 
WA_VISETS_GB_ALV_STR-BUBRA sy-vline 
WA_VISETS_GB_ALV_STR-BDMCBMRA sy-vline 
WA_VISETS_GB_ALV_STR-BBAUW13 sy-vline 
WA_VISETS_GB_ALV_STR-BBAUWAKT sy-vline 
WA_VISETS_GB_ALV_STR-BEINHEITW sy-vline 
WA_VISETS_GB_ALV_STR-NEINHEITW sy-vline 
WA_VISETS_GB_ALV_STR-BVERSWRT sy-vline 
WA_VISETS_GB_ALV_STR-RVERSWRT sy-vline 
WA_VISETS_GB_ALV_STR-FDACHFL sy-vline 
WA_VISETS_GB_ALV_STR-RDAZUST sy-vline 
WA_VISETS_GB_ALV_STR-RFAZUST sy-vline      INTO ld_text SEPARATED BY SPACE.

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