ABAP Select data from SAP table HFE_S_TARGET_PLNSCP_TREE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HFE_S_TARGET_PLNSCP_TREE
*  INTO TABLE @DATA(IT_HFE_S_TARGET_PLNSCP_TREE2).
*--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_HFE_S_TARGET_PLNSCP_TREE INDEX 1 INTO DATA(WA_HFE_S_TARGET_PLNSCP_TREE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HFE_S_TARGET_PLNSCP_TREE>-MATERIAL = 1.
<HFE_S_TARGET_PLNSCP_TREE>-QUANTITY = 1.
<HFE_S_TARGET_PLNSCP_TREE>-UNITOFMEASURE = 1.
<HFE_S_TARGET_PLNSCP_TREE>-ISPARENT = 1.
<HFE_S_TARGET_PLNSCP_TREE>-PARENTOBJECTKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HFE_S_TARGET_PLNSCP_TREE-OBJECTKEY, sy-vline,
  WA_HFE_S_TARGET_PLNSCP_TREE-BOMDRAFTUUID, sy-vline,
  WA_HFE_S_TARGET_PLNSCP_TREE-BOMITEMDRAFTUUID, sy-vline,
  WA_HFE_S_TARGET_PLNSCP_TREE-PLANT, sy-vline,
  WA_HFE_S_TARGET_PLNSCP_TREE-PARENTOBJECTID, sy-vline,
  WA_HFE_S_TARGET_PLNSCP_TREE-DESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HFE_S_TARGET_PLNSCP_TREE 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_HFE_S_TARGET_PLNSCP_TREE 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_HFE_S_TARGET_PLNSCP_TREE INTO WA_HFE_S_TARGET_PLNSCP_TREE.


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

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

*Conversion exit NUMCV, internal->external for field BOMITEMNUMBER
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_HFE_S_TARGET_PLNSCP_TREE-BOMITEMNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HFE_S_TARGET_PLNSCP_TREE-BOMITEMNUMBER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field CHANGENUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HFE_S_TARGET_PLNSCP_TREE-CHANGENUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HFE_S_TARGET_PLNSCP_TREE-CHANGENUMBER.
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_HFE_S_TARGET_PLNSCP_TREE_STR, 
MATERIAL TYPE STRING,
QUANTITY TYPE STRING,
UNITOFMEASURE TYPE STRING,
ISPARENT TYPE STRING,
PARENTOBJECTKEY TYPE STRING,
OBJECTKEY TYPE STRING,
BOMDRAFTUUID TYPE STRING,
BOMITEMDRAFTUUID TYPE STRING,
PLANT TYPE STRING,
PARENTOBJECTID TYPE STRING,
DESCRIPTION TYPE STRING,
MBOMDRAFTUUID TYPE STRING,
OBJECTID TYPE STRING,
STPOLINKGUID TYPE STRING,
BOMITEMNUMBER TYPE STRING,
ICON TYPE STRING,
MBOMSTATE TYPE STRING,
OBJECTDEPENDENCY TYPE STRING,
OBJECTTYPE TYPE STRING,
NODENAME TYPE STRING,
BOMALTERNATIVE TYPE STRING,
CHANGENUMBER TYPE STRING,
ISVALIDONLYINFUTURE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HFE_S_TARGET_PLNSCP_TREE_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_HFE_S_TARGET_PLNSCP_TREE_STR-MATERIAL sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-QUANTITY sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-UNITOFMEASURE sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-ISPARENT sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-PARENTOBJECTKEY sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-OBJECTKEY sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-BOMDRAFTUUID sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-BOMITEMDRAFTUUID sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-PLANT sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-PARENTOBJECTID sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-DESCRIPTION sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-MBOMDRAFTUUID sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-OBJECTID sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-STPOLINKGUID sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-BOMITEMNUMBER sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-ICON sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-MBOMSTATE sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-OBJECTDEPENDENCY sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-OBJECTTYPE sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-NODENAME sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-BOMALTERNATIVE sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-CHANGENUMBER sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-ISVALIDONLYINFUTURE sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-VALIDITYSTARTDATE sy-vline 
WA_HFE_S_TARGET_PLNSCP_TREE_STR-VALIDITYENDDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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