ABAP Select data from SAP table ISU_DIST_LOT_POS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_DIST_LOT_POS
*  INTO TABLE @DATA(IT_ISU_DIST_LOT_POS2).
*--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_ISU_DIST_LOT_POS INDEX 1 INTO DATA(WA_ISU_DIST_LOT_POS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_DIST_LOT_POS>-ICON = 1.
<ISU_DIST_LOT_POS>-MANDT = 1.
<ISU_DIST_LOT_POS>-KEYZ1 = 1.
<ISU_DIST_LOT_POS>-POSZA = 1.
<ISU_DIST_LOT_POS>-VKAGG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_DIST_LOT_POS-SELT1, sy-vline,
  WA_ISU_DIST_LOT_POS-SELT2, sy-vline,
  WA_ISU_DIST_LOT_POS-SELT3, sy-vline,
  WA_ISU_DIST_LOT_POS-SELW1, sy-vline,
  WA_ISU_DIST_LOT_POS-SELW2, sy-vline,
  WA_ISU_DIST_LOT_POS-SELW3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_DIST_LOT_POS 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_ISU_DIST_LOT_POS 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_ISU_DIST_LOT_POS INTO WA_ISU_DIST_LOT_POS.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PRINTDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_DIST_LOT_POS-PRINTDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_DIST_LOT_POS-PRINTDOC.
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_ISU_DIST_LOT_POS_STR, 
ICON TYPE STRING,
MANDT TYPE STRING,
KEYZ1 TYPE STRING,
POSZA TYPE STRING,
VKAGG TYPE STRING,
SELT1 TYPE STRING,
SELT2 TYPE STRING,
SELT3 TYPE STRING,
SELW1 TYPE STRING,
SELW2 TYPE STRING,
SELW3 TYPE STRING,
BETRZ TYPE STRING,
BETRH TYPE STRING,
BETRK TYPE STRING,
BETRL TYPE STRING,
XTKLA TYPE STRING,
TBETR TYPE STRING,
FIKEY TYPE STRING,
BVRKO TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
BLART TYPE STRING,
WAERS TYPE STRING,
KURSF TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
VALUT TYPE STRING,
XEIPH TYPE STRING,
AUGRD TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
XAKON TYPE STRING,
XKLAE TYPE STRING,
KLAEB TYPE STRING,
KLAEH TYPE STRING,
KLAED TYPE STRING,
KLAEC TYPE STRING,
OPBEL TYPE STRING,
UPOSZ TYPE STRING,
UPOSV TYPE STRING,
TXTVW TYPE STRING,
XCLAR TYPE STRING,
INFOF TYPE STRING,
KUKON TYPE STRING,
RUEBL TYPE STRING,
RUEAR TYPE STRING,
TXTRZ TYPE STRING,
HZUON TYPE STRING,
XATTS TYPE STRING,
INTUI TYPE STRING,
EXT_UI TYPE STRING,
CROSSREFNO TYPE STRING,
PRINTDOC TYPE STRING,
EXPAND TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_DIST_LOT_POS_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_ISU_DIST_LOT_POS_STR-ICON sy-vline 
WA_ISU_DIST_LOT_POS_STR-MANDT sy-vline 
WA_ISU_DIST_LOT_POS_STR-KEYZ1 sy-vline 
WA_ISU_DIST_LOT_POS_STR-POSZA sy-vline 
WA_ISU_DIST_LOT_POS_STR-VKAGG sy-vline 
WA_ISU_DIST_LOT_POS_STR-SELT1 sy-vline 
WA_ISU_DIST_LOT_POS_STR-SELT2 sy-vline 
WA_ISU_DIST_LOT_POS_STR-SELT3 sy-vline 
WA_ISU_DIST_LOT_POS_STR-SELW1 sy-vline 
WA_ISU_DIST_LOT_POS_STR-SELW2 sy-vline 
WA_ISU_DIST_LOT_POS_STR-SELW3 sy-vline 
WA_ISU_DIST_LOT_POS_STR-BETRZ sy-vline 
WA_ISU_DIST_LOT_POS_STR-BETRH sy-vline 
WA_ISU_DIST_LOT_POS_STR-BETRK sy-vline 
WA_ISU_DIST_LOT_POS_STR-BETRL sy-vline 
WA_ISU_DIST_LOT_POS_STR-XTKLA sy-vline 
WA_ISU_DIST_LOT_POS_STR-TBETR sy-vline 
WA_ISU_DIST_LOT_POS_STR-FIKEY sy-vline 
WA_ISU_DIST_LOT_POS_STR-BVRKO sy-vline 
WA_ISU_DIST_LOT_POS_STR-BUKRS sy-vline 
WA_ISU_DIST_LOT_POS_STR-GSBER sy-vline 
WA_ISU_DIST_LOT_POS_STR-BLART sy-vline 
WA_ISU_DIST_LOT_POS_STR-WAERS sy-vline 
WA_ISU_DIST_LOT_POS_STR-KURSF sy-vline 
WA_ISU_DIST_LOT_POS_STR-BUDAT sy-vline 
WA_ISU_DIST_LOT_POS_STR-BLDAT sy-vline 
WA_ISU_DIST_LOT_POS_STR-VALUT sy-vline 
WA_ISU_DIST_LOT_POS_STR-XEIPH sy-vline 
WA_ISU_DIST_LOT_POS_STR-AUGRD sy-vline 
WA_ISU_DIST_LOT_POS_STR-AENAM sy-vline 
WA_ISU_DIST_LOT_POS_STR-AEDAT sy-vline 
WA_ISU_DIST_LOT_POS_STR-AETIM sy-vline 
WA_ISU_DIST_LOT_POS_STR-XAKON sy-vline 
WA_ISU_DIST_LOT_POS_STR-XKLAE sy-vline 
WA_ISU_DIST_LOT_POS_STR-KLAEB sy-vline 
WA_ISU_DIST_LOT_POS_STR-KLAEH sy-vline 
WA_ISU_DIST_LOT_POS_STR-KLAED sy-vline 
WA_ISU_DIST_LOT_POS_STR-KLAEC sy-vline 
WA_ISU_DIST_LOT_POS_STR-OPBEL sy-vline 
WA_ISU_DIST_LOT_POS_STR-UPOSZ sy-vline 
WA_ISU_DIST_LOT_POS_STR-UPOSV sy-vline 
WA_ISU_DIST_LOT_POS_STR-TXTVW sy-vline 
WA_ISU_DIST_LOT_POS_STR-XCLAR sy-vline 
WA_ISU_DIST_LOT_POS_STR-INFOF sy-vline 
WA_ISU_DIST_LOT_POS_STR-KUKON sy-vline 
WA_ISU_DIST_LOT_POS_STR-RUEBL sy-vline 
WA_ISU_DIST_LOT_POS_STR-RUEAR sy-vline 
WA_ISU_DIST_LOT_POS_STR-TXTRZ sy-vline 
WA_ISU_DIST_LOT_POS_STR-HZUON sy-vline 
WA_ISU_DIST_LOT_POS_STR-XATTS sy-vline 
WA_ISU_DIST_LOT_POS_STR-INTUI sy-vline 
WA_ISU_DIST_LOT_POS_STR-EXT_UI sy-vline 
WA_ISU_DIST_LOT_POS_STR-CROSSREFNO sy-vline 
WA_ISU_DIST_LOT_POS_STR-PRINTDOC sy-vline 
WA_ISU_DIST_LOT_POS_STR-EXPAND sy-vline 
WA_ISU_DIST_LOT_POS_STR-MSGID sy-vline 
WA_ISU_DIST_LOT_POS_STR-MSGNO sy-vline 
WA_ISU_DIST_LOT_POS_STR-MSGV1 sy-vline 
WA_ISU_DIST_LOT_POS_STR-MSGV2 sy-vline 
WA_ISU_DIST_LOT_POS_STR-MSGV3 sy-vline 
WA_ISU_DIST_LOT_POS_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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