ABAP Select data from SAP table V56ISHNT into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP V56ISHNT 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 V56ISHNT. 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 V56ISHNT 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_V56ISHNT TYPE STANDARD TABLE OF V56ISHNT,
      WA_V56ISHNT TYPE V56ISHNT,
      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: <V56ISHNT> TYPE V56ISHNT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V56ISHNT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V56ISHNT
  INTO TABLE IT_V56ISHNT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V56ISHNT
*  INTO TABLE @DATA(IT_V56ISHNT2).
*--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_V56ISHNT INDEX 1 INTO DATA(WA_V56ISHNT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V56ISHNT ASSIGNING <V56ISHNT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V56ISHNT>-WERKS = 1.
<V56ISHNT>-CONADDR = 1.
<V56ISHNT>-LIFNR = 1.
<V56ISHNT>-NAME1 = 1.
<V56ISHNT>-BTGWD = 1.

ENDLOOP.

LOOP AT IT_V56ISHNT INTO WA_V56ISHNT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V56ISHNT-VOLMD, sy-vline,
  WA_V56ISHNT-GSGWD, sy-vline,
  WA_V56ISHNT-LFDAT, sy-vline,
  WA_V56ISHNT-LFUHR, sy-vline,
  WA_V56ISHNT-INCO1, sy-vline,
  WA_V56ISHNT-INCO2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V56ISHNT 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_V56ISHNT 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_V56ISHNT INTO WA_V56ISHNT.


*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 LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V56ISHNT-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V56ISHNT-LIFNR.
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_V56ISHNT_STR, 
WERKS TYPE STRING,
CONADDR TYPE STRING,
LIFNR TYPE STRING,
NAME1 TYPE STRING,
BTGWD TYPE STRING,
VOLMD TYPE STRING,
GSGWD TYPE STRING,
LFDAT TYPE STRING,
LFUHR TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
REGIO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V56ISHNT_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_V56ISHNT_STR-WERKS sy-vline 
WA_V56ISHNT_STR-CONADDR sy-vline 
WA_V56ISHNT_STR-LIFNR sy-vline 
WA_V56ISHNT_STR-NAME1 sy-vline 
WA_V56ISHNT_STR-BTGWD sy-vline 
WA_V56ISHNT_STR-VOLMD sy-vline 
WA_V56ISHNT_STR-GSGWD sy-vline 
WA_V56ISHNT_STR-LFDAT sy-vline 
WA_V56ISHNT_STR-LFUHR sy-vline 
WA_V56ISHNT_STR-INCO1 sy-vline 
WA_V56ISHNT_STR-INCO2 sy-vline 
WA_V56ISHNT_STR-REGIO sy-vline      INTO ld_text SEPARATED BY SPACE.

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