ABAP Select data from SAP table AVIP_LST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AVIP_LST
*  INTO TABLE @DATA(IT_AVIP_LST2).
*--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_AVIP_LST INDEX 1 INTO DATA(WA_AVIP_LST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AVIP_LST>-MANDT = 1.
<AVIP_LST>-BUKRS = 1.
<AVIP_LST>-KOART = 1.
<AVIP_LST>-KONTO = 1.
<AVIP_LST>-AVSID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AVIP_LST-AVSPO, sy-vline,
  WA_AVIP_LST-ABWKO, sy-vline,
  WA_AVIP_LST-ABWBU, sy-vline,
  WA_AVIP_LST-SFELD, sy-vline,
  WA_AVIP_LST-SWERT, sy-vline,
  WA_AVIP_LST-BELNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AVIP_LST 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_AVIP_LST 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_AVIP_LST INTO WA_AVIP_LST.


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

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

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

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

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

*Conversion exit AU132, internal->external for field MWSTS
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-MWSTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-MWSTS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field NEBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-NEBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-NEBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field WSKTO
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-WSKTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-WSKTO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AU132, internal->external for field DIFHW
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-DIFHW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-DIFHW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field DIFFW
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-DIFFW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-DIFFW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DIFH2
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-DIFH2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-DIFH2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DIFH3
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-DIFH3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-DIFH3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field SCURR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-SCURR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-SCURR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC132, internal->external for field ABBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_AVIP_LST-ABBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIP_LST-ABBTR.
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_AVIP_LST_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
KOART TYPE STRING,
KONTO TYPE STRING,
AVSID TYPE STRING,
AVSPO TYPE STRING,
ABWKO TYPE STRING,
ABWBU TYPE STRING,
SFELD TYPE STRING,
SWERT TYPE STRING,
BELNR TYPE STRING,
XBLNR TYPE STRING,
VBELN TYPE STRING,
FILKD TYPE STRING,
CPUDT TYPE STRING,
GSBER TYPE STRING,
ZUONR TYPE STRING,
RESTG TYPE STRING,
SGTXT TYPE STRING,
MWSTS TYPE STRING,
MWSKZ TYPE STRING,
WRBTR TYPE STRING,
NEBTR TYPE STRING,
WSKTO TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
ABWKA TYPE STRING,
ZBDXP TYPE STRING,
ZBDXT TYPE STRING,
DIFHW TYPE STRING,
DIFFW TYPE STRING,
DIFH2 TYPE STRING,
DIFH3 TYPE STRING,
XAKTP TYPE STRING,
XAKTS TYPE STRING,
XPPMT TYPE STRING,
XVORT TYPE STRING,
RSTGN TYPE STRING,
WAERS TYPE STRING,
SCURR TYPE STRING,
SDATE TYPE STRING,
STYPE TYPE STRING,
SPRIO TYPE STRING,
XREF1 TYPE STRING,
XREF2 TYPE STRING,
AFELD TYPE STRING,
LIEFN TYPE STRING,
REDAT TYPE STRING,
BSTNK TYPE STRING,
XACON TYPE STRING,
ASTAT TYPE STRING,
XAMCA TYPE STRING,
ABBTR TYPE STRING,
CONTR TYPE STRING,
KIDNO TYPE STRING,
FTEXT TYPE STRING,
ATEXT TYPE STRING,
FAEDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AVIP_LST_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_AVIP_LST_STR-MANDT sy-vline 
WA_AVIP_LST_STR-BUKRS sy-vline 
WA_AVIP_LST_STR-KOART sy-vline 
WA_AVIP_LST_STR-KONTO sy-vline 
WA_AVIP_LST_STR-AVSID sy-vline 
WA_AVIP_LST_STR-AVSPO sy-vline 
WA_AVIP_LST_STR-ABWKO sy-vline 
WA_AVIP_LST_STR-ABWBU sy-vline 
WA_AVIP_LST_STR-SFELD sy-vline 
WA_AVIP_LST_STR-SWERT sy-vline 
WA_AVIP_LST_STR-BELNR sy-vline 
WA_AVIP_LST_STR-XBLNR sy-vline 
WA_AVIP_LST_STR-VBELN sy-vline 
WA_AVIP_LST_STR-FILKD sy-vline 
WA_AVIP_LST_STR-CPUDT sy-vline 
WA_AVIP_LST_STR-GSBER sy-vline 
WA_AVIP_LST_STR-ZUONR sy-vline 
WA_AVIP_LST_STR-RESTG sy-vline 
WA_AVIP_LST_STR-SGTXT sy-vline 
WA_AVIP_LST_STR-MWSTS sy-vline 
WA_AVIP_LST_STR-MWSKZ sy-vline 
WA_AVIP_LST_STR-WRBTR sy-vline 
WA_AVIP_LST_STR-NEBTR sy-vline 
WA_AVIP_LST_STR-WSKTO sy-vline 
WA_AVIP_LST_STR-GJAHR sy-vline 
WA_AVIP_LST_STR-BUZEI sy-vline 
WA_AVIP_LST_STR-ABWKA sy-vline 
WA_AVIP_LST_STR-ZBDXP sy-vline 
WA_AVIP_LST_STR-ZBDXT sy-vline 
WA_AVIP_LST_STR-DIFHW sy-vline 
WA_AVIP_LST_STR-DIFFW sy-vline 
WA_AVIP_LST_STR-DIFH2 sy-vline 
WA_AVIP_LST_STR-DIFH3 sy-vline 
WA_AVIP_LST_STR-XAKTP sy-vline 
WA_AVIP_LST_STR-XAKTS sy-vline 
WA_AVIP_LST_STR-XPPMT sy-vline 
WA_AVIP_LST_STR-XVORT sy-vline 
WA_AVIP_LST_STR-RSTGN sy-vline 
WA_AVIP_LST_STR-WAERS sy-vline 
WA_AVIP_LST_STR-SCURR sy-vline 
WA_AVIP_LST_STR-SDATE sy-vline 
WA_AVIP_LST_STR-STYPE sy-vline 
WA_AVIP_LST_STR-SPRIO sy-vline 
WA_AVIP_LST_STR-XREF1 sy-vline 
WA_AVIP_LST_STR-XREF2 sy-vline 
WA_AVIP_LST_STR-AFELD sy-vline 
WA_AVIP_LST_STR-LIEFN sy-vline 
WA_AVIP_LST_STR-REDAT sy-vline 
WA_AVIP_LST_STR-BSTNK sy-vline 
WA_AVIP_LST_STR-XACON sy-vline 
WA_AVIP_LST_STR-ASTAT sy-vline 
WA_AVIP_LST_STR-XAMCA sy-vline 
WA_AVIP_LST_STR-ABBTR sy-vline 
WA_AVIP_LST_STR-CONTR sy-vline 
WA_AVIP_LST_STR-KIDNO sy-vline 
WA_AVIP_LST_STR-FTEXT sy-vline 
WA_AVIP_LST_STR-ATEXT sy-vline 
WA_AVIP_LST_STR-FAEDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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