ABAP Select data from SAP table SND_AO_FI_H into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SND_AO_FI_H
*  INTO TABLE @DATA(IT_SND_AO_FI_H2).
*--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_SND_AO_FI_H INDEX 1 INTO DATA(WA_SND_AO_FI_H2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SND_AO_FI_H>-MANDT = 1.
<SND_AO_FI_H>-EXTRACTION_ID = 1.
<SND_AO_FI_H>-BUKRS = 1.
<SND_AO_FI_H>-BELNR = 1.
<SND_AO_FI_H>-GJAHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SND_AO_FI_H-BKTXT, sy-vline,
  WA_SND_AO_FI_H-AWTYP, sy-vline,
  WA_SND_AO_FI_H-AWKEY, sy-vline,
  WA_SND_AO_FI_H-USNAM, sy-vline,
  WA_SND_AO_FI_H-CPUDT, sy-vline,
  WA_SND_AO_FI_H-CPUTM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SND_AO_FI_H 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_SND_AO_FI_H 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_SND_AO_FI_H INTO WA_SND_AO_FI_H.


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

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

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

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

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_SND_AO_FI_H-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SND_AO_FI_H-KURSF.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AU132, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_SND_AO_FI_H-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SND_AO_FI_H-FWSTE.
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_SND_AO_FI_H_STR, 
MANDT TYPE STRING,
EXTRACTION_ID TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BKTXT TYPE STRING,
AWTYP TYPE STRING,
AWKEY TYPE STRING,
USNAM TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
XREVERSAL TYPE STRING,
STBDT TYPE STRING,
STBTM TYPE STRING,
STBUS TYPE STRING,
STGRD TYPE STRING,
BSTAT TYPE STRING,
BLART TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
MONAT TYPE STRING,
HWAER TYPE STRING,
WAERS TYPE STRING,
KURSF TYPE STRING,
KTOPL TYPE STRING,
HWSTE TYPE STRING,
FWSTE TYPE STRING,
INV_NO TYPE STRING,
INV_DATE TYPE STRING,
DS_USER TYPE STRING,
SY_DATE TYPE STRING,
GROSS_TOTAL TYPE STRING,
KEY_VERS TYPE STRING,
SIGNATURE_STRING TYPE STRING,
NRRANGENR TYPE STRING,
XBLNR TYPE STRING,
XREF1_HD TYPE STRING,
XREF2_HD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SND_AO_FI_H_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_SND_AO_FI_H_STR-MANDT sy-vline 
WA_SND_AO_FI_H_STR-EXTRACTION_ID sy-vline 
WA_SND_AO_FI_H_STR-BUKRS sy-vline 
WA_SND_AO_FI_H_STR-BELNR sy-vline 
WA_SND_AO_FI_H_STR-GJAHR sy-vline 
WA_SND_AO_FI_H_STR-BKTXT sy-vline 
WA_SND_AO_FI_H_STR-AWTYP sy-vline 
WA_SND_AO_FI_H_STR-AWKEY sy-vline 
WA_SND_AO_FI_H_STR-USNAM sy-vline 
WA_SND_AO_FI_H_STR-CPUDT sy-vline 
WA_SND_AO_FI_H_STR-CPUTM sy-vline 
WA_SND_AO_FI_H_STR-STBLG sy-vline 
WA_SND_AO_FI_H_STR-STJAH sy-vline 
WA_SND_AO_FI_H_STR-XREVERSAL sy-vline 
WA_SND_AO_FI_H_STR-STBDT sy-vline 
WA_SND_AO_FI_H_STR-STBTM sy-vline 
WA_SND_AO_FI_H_STR-STBUS sy-vline 
WA_SND_AO_FI_H_STR-STGRD sy-vline 
WA_SND_AO_FI_H_STR-BSTAT sy-vline 
WA_SND_AO_FI_H_STR-BLART sy-vline 
WA_SND_AO_FI_H_STR-BLDAT sy-vline 
WA_SND_AO_FI_H_STR-BUDAT sy-vline 
WA_SND_AO_FI_H_STR-MONAT sy-vline 
WA_SND_AO_FI_H_STR-HWAER sy-vline 
WA_SND_AO_FI_H_STR-WAERS sy-vline 
WA_SND_AO_FI_H_STR-KURSF sy-vline 
WA_SND_AO_FI_H_STR-KTOPL sy-vline 
WA_SND_AO_FI_H_STR-HWSTE sy-vline 
WA_SND_AO_FI_H_STR-FWSTE sy-vline 
WA_SND_AO_FI_H_STR-INV_NO sy-vline 
WA_SND_AO_FI_H_STR-INV_DATE sy-vline 
WA_SND_AO_FI_H_STR-DS_USER sy-vline 
WA_SND_AO_FI_H_STR-SY_DATE sy-vline 
WA_SND_AO_FI_H_STR-GROSS_TOTAL sy-vline 
WA_SND_AO_FI_H_STR-KEY_VERS sy-vline 
WA_SND_AO_FI_H_STR-SIGNATURE_STRING sy-vline 
WA_SND_AO_FI_H_STR-NRRANGENR sy-vline 
WA_SND_AO_FI_H_STR-XBLNR sy-vline 
WA_SND_AO_FI_H_STR-XREF1_HD sy-vline 
WA_SND_AO_FI_H_STR-XREF2_HD sy-vline      INTO ld_text SEPARATED BY SPACE.

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