ABAP Select data from SAP table VFCO_VA88_L1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VFCO_VA88_L1 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 VFCO_VA88_L1. 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 VFCO_VA88_L1 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_VFCO_VA88_L1 TYPE STANDARD TABLE OF VFCO_VA88_L1,
      WA_VFCO_VA88_L1 TYPE VFCO_VA88_L1,
      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: <VFCO_VA88_L1> TYPE VFCO_VA88_L1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VFCO_VA88_L1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VFCO_VA88_L1
  INTO TABLE IT_VFCO_VA88_L1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VFCO_VA88_L1
*  INTO TABLE @DATA(IT_VFCO_VA88_L12).
*--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_VFCO_VA88_L1 INDEX 1 INTO DATA(WA_VFCO_VA88_L12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VFCO_VA88_L1 ASSIGNING <VFCO_VA88_L1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VFCO_VA88_L1>-MANDT = 1.
<VFCO_VA88_L1>-VKORG = 1.
<VFCO_VA88_L1>-KOKRS = 1.
<VFCO_VA88_L1>-VKBUR = 1.
<VFCO_VA88_L1>-AUART = 1.

ENDLOOP.

LOOP AT IT_VFCO_VA88_L1 INTO WA_VFCO_VA88_L1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VFCO_VA88_L1-BUKRS_VF, sy-vline,
  WA_VFCO_VA88_L1-VBELN, sy-vline,
  WA_VFCO_VA88_L1-POSNR, sy-vline,
  WA_VFCO_VA88_L1-VBELV, sy-vline,
  WA_VFCO_VA88_L1-POSNV, sy-vline,
  WA_VFCO_VA88_L1-MATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VFCO_VA88_L1 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_VFCO_VA88_L1 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_VFCO_VA88_L1 INTO WA_VFCO_VA88_L1.


*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 AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_VA88_L1-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_VA88_L1-AUART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_VA88_L1-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_VA88_L1-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_VA88_L1-VBELV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_VA88_L1-VBELV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_VA88_L1-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_VA88_L1-MATNR.
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_VFCO_VA88_L1_STR, 
MANDT TYPE STRING,
VKORG TYPE STRING,
KOKRS TYPE STRING,
VKBUR TYPE STRING,
AUART TYPE STRING,
BUKRS_VF TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
VBELV TYPE STRING,
POSNV TYPE STRING,
MATNR TYPE STRING,
ARKTX TYPE STRING,
WERKS TYPE STRING,
SOBKZ TYPE STRING,
OBJNR TYPE STRING,
ABGRS TYPE STRING,
ZSCHL_K TYPE STRING,
KALSM_K TYPE STRING,
KZBWS TYPE STRING,
KZVBR TYPE STRING,
OBTYP TYPE STRING,
STSMA TYPE STRING,
STAT TYPE STRING,
MODKZ TYPE STRING,
RELEVANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VFCO_VA88_L1_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_VFCO_VA88_L1_STR-MANDT sy-vline 
WA_VFCO_VA88_L1_STR-VKORG sy-vline 
WA_VFCO_VA88_L1_STR-KOKRS sy-vline 
WA_VFCO_VA88_L1_STR-VKBUR sy-vline 
WA_VFCO_VA88_L1_STR-AUART sy-vline 
WA_VFCO_VA88_L1_STR-BUKRS_VF sy-vline 
WA_VFCO_VA88_L1_STR-VBELN sy-vline 
WA_VFCO_VA88_L1_STR-POSNR sy-vline 
WA_VFCO_VA88_L1_STR-VBELV sy-vline 
WA_VFCO_VA88_L1_STR-POSNV sy-vline 
WA_VFCO_VA88_L1_STR-MATNR sy-vline 
WA_VFCO_VA88_L1_STR-ARKTX sy-vline 
WA_VFCO_VA88_L1_STR-WERKS sy-vline 
WA_VFCO_VA88_L1_STR-SOBKZ sy-vline 
WA_VFCO_VA88_L1_STR-OBJNR sy-vline 
WA_VFCO_VA88_L1_STR-ABGRS sy-vline 
WA_VFCO_VA88_L1_STR-ZSCHL_K sy-vline 
WA_VFCO_VA88_L1_STR-KALSM_K sy-vline 
WA_VFCO_VA88_L1_STR-KZBWS sy-vline 
WA_VFCO_VA88_L1_STR-KZVBR sy-vline 
WA_VFCO_VA88_L1_STR-OBTYP sy-vline 
WA_VFCO_VA88_L1_STR-STSMA sy-vline 
WA_VFCO_VA88_L1_STR-STAT sy-vline 
WA_VFCO_VA88_L1_STR-MODKZ sy-vline 
WA_VFCO_VA88_L1_STR-RELEVANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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