ABAP Select data from SAP table ISI_POD_DETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISI_POD_DETAIL
*  INTO TABLE @DATA(IT_ISI_POD_DETAIL2).
*--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_ISI_POD_DETAIL INDEX 1 INTO DATA(WA_ISI_POD_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISI_POD_DETAIL>-VBELN = 1.
<ISI_POD_DETAIL>-VERUR = 1.
<ISI_POD_DETAIL>-LIFNR = 1.
<ISI_POD_DETAIL>-BZIRK = 1.
<ISI_POD_DETAIL>-VSTEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISI_POD_DETAIL-VKORG, sy-vline,
  WA_ISI_POD_DETAIL-LFART, sy-vline,
  WA_ISI_POD_DETAIL-AUTLF, sy-vline,
  WA_ISI_POD_DETAIL-KZAZU, sy-vline,
  WA_ISI_POD_DETAIL-WADAT, sy-vline,
  WA_ISI_POD_DETAIL-LDDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISI_POD_DETAIL 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_ISI_POD_DETAIL 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_ISI_POD_DETAIL INTO WA_ISI_POD_DETAIL.


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

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISI_POD_DETAIL-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_POD_DETAIL-LANGU.
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_ISI_POD_DETAIL_STR, 
VBELN TYPE STRING,
VERUR TYPE STRING,
LIFNR TYPE STRING,
BZIRK TYPE STRING,
VSTEL TYPE STRING,
VKORG TYPE STRING,
LFART TYPE STRING,
AUTLF TYPE STRING,
KZAZU TYPE STRING,
WADAT TYPE STRING,
LDDAT TYPE STRING,
TDDAT TYPE STRING,
LFDAT TYPE STRING,
KODAT TYPE STRING,
WADAT_IST TYPE STRING,
BORGR_GRP TYPE STRING,
WBSTK TYPE STRING,
PDSTK TYPE STRING,
POD_FLAG TYPE STRING,
PODVWK TYPE STRING,
PODVWK_TST TYPE STRING,
ITEMS TYPE STRING,
MIME_DATA TYPE STRING,
DATA TYPE STRING,
LENGTH TYPE STRING,
TYPE TYPE STRING,
REASONS TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
HANDLE_LIPS TYPE STRING,
REASONS TYPE STRING,
LANGU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISI_POD_DETAIL_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_ISI_POD_DETAIL_STR-VBELN sy-vline 
WA_ISI_POD_DETAIL_STR-VERUR sy-vline 
WA_ISI_POD_DETAIL_STR-LIFNR sy-vline 
WA_ISI_POD_DETAIL_STR-BZIRK sy-vline 
WA_ISI_POD_DETAIL_STR-VSTEL sy-vline 
WA_ISI_POD_DETAIL_STR-VKORG sy-vline 
WA_ISI_POD_DETAIL_STR-LFART sy-vline 
WA_ISI_POD_DETAIL_STR-AUTLF sy-vline 
WA_ISI_POD_DETAIL_STR-KZAZU sy-vline 
WA_ISI_POD_DETAIL_STR-WADAT sy-vline 
WA_ISI_POD_DETAIL_STR-LDDAT sy-vline 
WA_ISI_POD_DETAIL_STR-TDDAT sy-vline 
WA_ISI_POD_DETAIL_STR-LFDAT sy-vline 
WA_ISI_POD_DETAIL_STR-KODAT sy-vline 
WA_ISI_POD_DETAIL_STR-WADAT_IST sy-vline 
WA_ISI_POD_DETAIL_STR-BORGR_GRP sy-vline 
WA_ISI_POD_DETAIL_STR-WBSTK sy-vline 
WA_ISI_POD_DETAIL_STR-PDSTK sy-vline 
WA_ISI_POD_DETAIL_STR-POD_FLAG sy-vline 
WA_ISI_POD_DETAIL_STR-PODVWK sy-vline 
WA_ISI_POD_DETAIL_STR-PODVWK_TST sy-vline 
WA_ISI_POD_DETAIL_STR-ITEMS sy-vline 
WA_ISI_POD_DETAIL_STR-MIME_DATA sy-vline 
WA_ISI_POD_DETAIL_STR-DATA sy-vline 
WA_ISI_POD_DETAIL_STR-LENGTH sy-vline 
WA_ISI_POD_DETAIL_STR-TYPE sy-vline 
WA_ISI_POD_DETAIL_STR-REASONS sy-vline 
WA_ISI_POD_DETAIL_STR-VBELN sy-vline 
WA_ISI_POD_DETAIL_STR-POSNR sy-vline 
WA_ISI_POD_DETAIL_STR-HANDLE_LIPS sy-vline 
WA_ISI_POD_DETAIL_STR-REASONS sy-vline 
WA_ISI_POD_DETAIL_STR-LANGU sy-vline      INTO ld_text SEPARATED BY SPACE.

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