ABAP Select data from SAP table HUS_JIT_COMPONENT_MATERIAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HUS_JIT_COMPONENT_MATERIAL
*  INTO TABLE @DATA(IT_HUS_JIT_COMPONENT_MATERIAL2).
*--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_HUS_JIT_COMPONENT_MATERIAL INDEX 1 INTO DATA(WA_HUS_JIT_COMPONENT_MATERIAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HUS_JIT_COMPONENT_MATERIAL>-HANDLINGUNITEXTERNALID = 1.
<HUS_JIT_COMPONENT_MATERIAL>-WAREHOUSE = 1.
<HUS_JIT_COMPONENT_MATERIAL>-STOCKITEMUUID = 1.
<HUS_JIT_COMPONENT_MATERIAL>-KEY = 1.
<HUS_JIT_COMPONENT_MATERIAL>-PARENT_KEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HUS_JIT_COMPONENT_MATERIAL-ROOT_KEY, sy-vline,
  WA_HUS_JIT_COMPONENT_MATERIAL-INT_CALL_NUM, sy-vline,
  WA_HUS_JIT_COMPONENT_MATERIAL-COMP_GRP_NUM, sy-vline,
  WA_HUS_JIT_COMPONENT_MATERIAL-CALL_ITEM_NUM, sy-vline,
  WA_HUS_JIT_COMPONENT_MATERIAL-MATNR, sy-vline,
  WA_HUS_JIT_COMPONENT_MATERIAL-KDMAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HUS_JIT_COMPONENT_MATERIAL 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_HUS_JIT_COMPONENT_MATERIAL 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_HUS_JIT_COMPONENT_MATERIAL INTO WA_HUS_JIT_COMPONENT_MATERIAL.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BUSINESSTRANSACTIONDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HUS_JIT_COMPONENT_MATERIAL-BUSINESSTRANSACTIONDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HUS_JIT_COMPONENT_MATERIAL-BUSINESSTRANSACTIONDOCUMENT.
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_HUS_JIT_COMPONENT_MATERIAL_STR, 
HANDLINGUNITEXTERNALID TYPE STRING,
WAREHOUSE TYPE STRING,
STOCKITEMUUID TYPE STRING,
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
INT_CALL_NUM TYPE STRING,
COMP_GRP_NUM TYPE STRING,
CALL_ITEM_NUM TYPE STRING,
MATNR TYPE STRING,
KDMAT TYPE STRING,
EXT_CALL_ITEM_NUM TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
SPART TYPE STRING,
REQUESTED_QUANTITY TYPE STRING,
DELIVERED_QUANTITY TYPE STRING,
MEINS TYPE STRING,
MISSING_PARTS TYPE STRING,
_DATAAGING TYPE STRING,
DUMMY_NJIT_COMPMAT_INCL_EEW_PS TYPE STRING,
TRANSFERRED_QUANTITY TYPE STRING,
MINIMUM_QUANTITY TYPE STRING,
PICKED_QUANTITY TYPE STRING,
OPEN_QUANTITY TYPE STRING,
DUMMY_S2P_CMAT_INCL_EEW_PS TYPE STRING,
STK_TRNSFR_STAT TYPE STRING,
INT_STAT TYPE STRING,
INT_STAT_UPDATED_ON TYPE STRING,
JITCALLCOMPMATLBACKFLUSHTYPE TYPE STRING,
JITCALLCOMPMATLBACKFLUSHSTATUS TYPE STRING,
VARIANCEREASONCODE TYPE STRING,
JITCALLCOMPBACKFLUSHSTSUPDTDON TYPE STRING,
BUSINESSTRANSACTIONDOCUMENT TYPE STRING,
DB_KEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HUS_JIT_COMPONENT_MATERIAL_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_HUS_JIT_COMPONENT_MATERIAL_STR-HANDLINGUNITEXTERNALID sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-WAREHOUSE sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-STOCKITEMUUID sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-KEY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-PARENT_KEY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-ROOT_KEY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-INT_CALL_NUM sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-COMP_GRP_NUM sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-CALL_ITEM_NUM sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-MATNR sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-KDMAT sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-EXT_CALL_ITEM_NUM sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-VBELN sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-POSNR sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-SPART sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-REQUESTED_QUANTITY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-DELIVERED_QUANTITY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-MEINS sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-MISSING_PARTS sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-_DATAAGING sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-DUMMY_NJIT_COMPMAT_INCL_EEW_PS sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-TRANSFERRED_QUANTITY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-MINIMUM_QUANTITY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-PICKED_QUANTITY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-OPEN_QUANTITY sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-DUMMY_S2P_CMAT_INCL_EEW_PS sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-STK_TRNSFR_STAT sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-INT_STAT sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-INT_STAT_UPDATED_ON sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-JITCALLCOMPMATLBACKFLUSHTYPE sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-JITCALLCOMPMATLBACKFLUSHSTATUS sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-VARIANCEREASONCODE sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-JITCALLCOMPBACKFLUSHSTSUPDTDON sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-BUSINESSTRANSACTIONDOCUMENT sy-vline 
WA_HUS_JIT_COMPONENT_MATERIAL_STR-DB_KEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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