ABAP Select data from SAP table DRAFT_QTA_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DRAFT_QTA_ITEM
*  INTO TABLE @DATA(IT_DRAFT_QTA_ITEM2).
*--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_DRAFT_QTA_ITEM INDEX 1 INTO DATA(WA_DRAFT_QTA_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DRAFT_QTA_ITEM>-MANDT = 1.
<DRAFT_QTA_ITEM>-QUOTAITEMDRAFTUUID = 1.
<DRAFT_QTA_ITEM>-QUOTAARRANGEMENTDRAFTUUID = 1.
<DRAFT_QTA_ITEM>-QUOTAARRANGEMENT = 1.
<DRAFT_QTA_ITEM>-QUOTAARRANGEMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DRAFT_QTA_ITEM-MATERIALPROCUREMENTCATEGORY, sy-vline,
  WA_DRAFT_QTA_ITEM-MATERIALPROCUREMENTTYPE, sy-vline,
  WA_DRAFT_QTA_ITEM-SUPPLIER, sy-vline,
  WA_DRAFT_QTA_ITEM-SUPPLYINGPLANT, sy-vline,
  WA_DRAFT_QTA_ITEM-QUOTA, sy-vline,
  WA_DRAFT_QTA_ITEM-QUOTABASEQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DRAFT_QTA_ITEM 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_DRAFT_QTA_ITEM 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_DRAFT_QTA_ITEM INTO WA_DRAFT_QTA_ITEM.


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

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

*Conversion exit MATN1, internal->external for field MANUFACTURERMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_DRAFT_QTA_ITEM-MANUFACTURERMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DRAFT_QTA_ITEM-MANUFACTURERMATERIAL.
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_DRAFT_QTA_ITEM_STR, 
MANDT TYPE STRING,
QUOTAITEMDRAFTUUID TYPE STRING,
QUOTAARRANGEMENTDRAFTUUID TYPE STRING,
QUOTAARRANGEMENT TYPE STRING,
QUOTAARRANGEMENTITEM TYPE STRING,
MATERIALPROCUREMENTCATEGORY TYPE STRING,
MATERIALPROCUREMENTTYPE TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
QUOTA TYPE STRING,
QUOTABASEQUANTITY TYPE STRING,
QUOTAALLOCATEDQUANTITY TYPE STRING,
QUOTAMAXIMUMQUANTITY TYPE STRING,
PRODUCTIONVERSION TYPE STRING,
MATERIALMAXLOTSIZEQUANTITY TYPE STRING,
MATERIALMINLOTSIZEQUANTITY TYPE STRING,
MATERIALROUNDINGPROFILE TYPE STRING,
SOURCEOFSUPPLYISASSIGNEDONCE TYPE STRING,
MAXIMUMRELEASEQUANTITY TYPE STRING,
QUOTARELEASEPERIODTYPE TYPE STRING,
NUMBEROFQUOTARELEASEPERIOD TYPE STRING,
QUOTADETERMINATIONPRIORITY TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
PLANNEDDELIVERYDURATIONINDAYS TYPE STRING,
HASACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DRAFT_QTA_ITEM_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_DRAFT_QTA_ITEM_STR-MANDT sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTAITEMDRAFTUUID sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTAARRANGEMENTDRAFTUUID sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTAARRANGEMENT sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTAARRANGEMENTITEM sy-vline 
WA_DRAFT_QTA_ITEM_STR-MATERIALPROCUREMENTCATEGORY sy-vline 
WA_DRAFT_QTA_ITEM_STR-MATERIALPROCUREMENTTYPE sy-vline 
WA_DRAFT_QTA_ITEM_STR-SUPPLIER sy-vline 
WA_DRAFT_QTA_ITEM_STR-SUPPLYINGPLANT sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTA sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTABASEQUANTITY sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTAALLOCATEDQUANTITY sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTAMAXIMUMQUANTITY sy-vline 
WA_DRAFT_QTA_ITEM_STR-PRODUCTIONVERSION sy-vline 
WA_DRAFT_QTA_ITEM_STR-MATERIALMAXLOTSIZEQUANTITY sy-vline 
WA_DRAFT_QTA_ITEM_STR-MATERIALMINLOTSIZEQUANTITY sy-vline 
WA_DRAFT_QTA_ITEM_STR-MATERIALROUNDINGPROFILE sy-vline 
WA_DRAFT_QTA_ITEM_STR-SOURCEOFSUPPLYISASSIGNEDONCE sy-vline 
WA_DRAFT_QTA_ITEM_STR-MAXIMUMRELEASEQUANTITY sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTARELEASEPERIODTYPE sy-vline 
WA_DRAFT_QTA_ITEM_STR-NUMBEROFQUOTARELEASEPERIOD sy-vline 
WA_DRAFT_QTA_ITEM_STR-QUOTADETERMINATIONPRIORITY sy-vline 
WA_DRAFT_QTA_ITEM_STR-MANUFACTURERMATERIAL sy-vline 
WA_DRAFT_QTA_ITEM_STR-PLANNEDDELIVERYDURATIONINDAYS sy-vline 
WA_DRAFT_QTA_ITEM_STR-HASACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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