ABAP Select data from SAP table LESHP_ITEM_DATA_TO_CREATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LESHP_ITEM_DATA_TO_CREATE
*  INTO TABLE @DATA(IT_LESHP_ITEM_DATA_TO_CREATE2).
*--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_LESHP_ITEM_DATA_TO_CREATE INDEX 1 INTO DATA(WA_LESHP_ITEM_DATA_TO_CREATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LESHP_ITEM_DATA_TO_CREATE>-VBELN = 1.
<LESHP_ITEM_DATA_TO_CREATE>-POSNR = 1.
<LESHP_ITEM_DATA_TO_CREATE>-TANUM = 1.
<LESHP_ITEM_DATA_TO_CREATE>-TAPOS = 1.
<LESHP_ITEM_DATA_TO_CREATE>-LGNUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LESHP_ITEM_DATA_TO_CREATE-MATNR, sy-vline,
  WA_LESHP_ITEM_DATA_TO_CREATE-PIKMG, sy-vline,
  WA_LESHP_ITEM_DATA_TO_CREATE-MEINS, sy-vline,
  WA_LESHP_ITEM_DATA_TO_CREATE-PLMIN, sy-vline,
  WA_LESHP_ITEM_DATA_TO_CREATE-BRGEW, sy-vline,
  WA_LESHP_ITEM_DATA_TO_CREATE-NTGEW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LESHP_ITEM_DATA_TO_CREATE 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_LESHP_ITEM_DATA_TO_CREATE 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_LESHP_ITEM_DATA_TO_CREATE INTO WA_LESHP_ITEM_DATA_TO_CREATE.


*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_LESHP_ITEM_DATA_TO_CREATE-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LESHP_ITEM_DATA_TO_CREATE-VBELN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_LESHP_ITEM_DATA_TO_CREATE-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LESHP_ITEM_DATA_TO_CREATE-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LESHP_ITEM_DATA_TO_CREATE-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LESHP_ITEM_DATA_TO_CREATE-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LESHP_ITEM_DATA_TO_CREATE-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LESHP_ITEM_DATA_TO_CREATE-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LESHP_ITEM_DATA_TO_CREATE-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LESHP_ITEM_DATA_TO_CREATE-VOLEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field /CWM/LFIME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LESHP_ITEM_DATA_TO_CREATE-/CWM/LFIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LESHP_ITEM_DATA_TO_CREATE-/CWM/LFIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field /CWM/PIKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LESHP_ITEM_DATA_TO_CREATE-/CWM/PIKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LESHP_ITEM_DATA_TO_CREATE-/CWM/PIKME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field /CWM/PIKME_SOLL
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LESHP_ITEM_DATA_TO_CREATE-/CWM/PIKME_SOLL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LESHP_ITEM_DATA_TO_CREATE-/CWM/PIKME_SOLL.
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_LESHP_ITEM_DATA_TO_CREATE_STR, 
VBELN TYPE STRING,
POSNR TYPE STRING,
TANUM TYPE STRING,
TAPOS TYPE STRING,
LGNUM TYPE STRING,
MATNR TYPE STRING,
PIKMG TYPE STRING,
MEINS TYPE STRING,
PLMIN TYPE STRING,
BRGEW TYPE STRING,
NTGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
/CWM/LFIMG TYPE STRING,
/CWM/PIKMG TYPE STRING,
/CWM/LFIME TYPE STRING,
/CWM/PIKME TYPE STRING,
/CWM/PIKME_SOLL TYPE STRING,
/CWM/PIKMG_SOLL TYPE STRING,
/CWM/TOLCHECK TYPE STRING,
/CWM/TOCANCEL TYPE STRING,
/CWM/EBUMG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LESHP_ITEM_DATA_TO_CREATE_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_LESHP_ITEM_DATA_TO_CREATE_STR-VBELN sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-POSNR sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-TANUM sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-TAPOS sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-LGNUM sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-MATNR sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-PIKMG sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-MEINS sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-PLMIN sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-BRGEW sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-NTGEW sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-GEWEI sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-VOLUM sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-VOLEH sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/LFIMG sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/PIKMG sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/LFIME sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/PIKME sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/PIKME_SOLL sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/PIKMG_SOLL sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/TOLCHECK sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/TOCANCEL sy-vline 
WA_LESHP_ITEM_DATA_TO_CREATE_STR-/CWM/EBUMG sy-vline      INTO ld_text SEPARATED BY SPACE.

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