ABAP Select data from SAP table /PLMB/S_PPE_CMP_TREE_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMB/S_PPE_CMP_TREE_DATA 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 /PLMB/S_PPE_CMP_TREE_DATA. 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 /PLMB/S_PPE_CMP_TREE_DATA 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_/PLMB/S_PPE_CMP_TREE_DATA TYPE STANDARD TABLE OF /PLMB/S_PPE_CMP_TREE_DATA,
      WA_/PLMB/S_PPE_CMP_TREE_DATA TYPE /PLMB/S_PPE_CMP_TREE_DATA,
      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: </PLMB/S_PPE_CMP_TREE_DATA> TYPE /PLMB/S_PPE_CMP_TREE_DATA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PLMB/S_PPE_CMP_TREE_DATA
  INTO TABLE IT_/PLMB/S_PPE_CMP_TREE_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMB/S_PPE_CMP_TREE_DATA
*  INTO TABLE @DATA(IT_/PLMB/S_PPE_CMP_TREE_DATA2).
*--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_/PLMB/S_PPE_CMP_TREE_DATA INDEX 1 INTO DATA(WA_/PLMB/S_PPE_CMP_TREE_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PLMB/S_PPE_CMP_TREE_DATA ASSIGNING </PLMB/S_PPE_CMP_TREE_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMB/S_PPE_CMP_TREE_DATA>-OBJECT_TYPE = 1.
</PLMB/S_PPE_CMP_TREE_DATA>-GUID = 1.
</PLMB/S_PPE_CMP_TREE_DATA>-ECN_COUNTER = 1.
</PLMB/S_PPE_CMP_TREE_DATA>-NAME = 1.
</PLMB/S_PPE_CMP_TREE_DATA>-CLASS = 1.

ENDLOOP.

LOOP AT IT_/PLMB/S_PPE_CMP_TREE_DATA INTO WA_/PLMB/S_PPE_CMP_TREE_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMB/S_PPE_CMP_TREE_DATA-OBJECT_SUBTYPE, sy-vline,
  WA_/PLMB/S_PPE_CMP_TREE_DATA-DESCRIPTION, sy-vline,
  WA_/PLMB/S_PPE_CMP_TREE_DATA-CHANGE_NUMBER, sy-vline,
  WA_/PLMB/S_PPE_CMP_TREE_DATA-VALID_FROM, sy-vline,
  WA_/PLMB/S_PPE_CMP_TREE_DATA-DELETION_INDICATOR, sy-vline,
  WA_/PLMB/S_PPE_CMP_TREE_DATA-SORT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMB/S_PPE_CMP_TREE_DATA 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_/PLMB/S_PPE_CMP_TREE_DATA 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_/PLMB/S_PPE_CMP_TREE_DATA INTO WA_/PLMB/S_PPE_CMP_TREE_DATA.


*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 CHANGE_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_PPE_CMP_TREE_DATA-CHANGE_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_PPE_CMP_TREE_DATA-CHANGE_NUMBER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field COST_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_PPE_CMP_TREE_DATA-COST_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_PPE_CMP_TREE_DATA-COST_ELEMENT.
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_/PLMB/S_PPE_CMP_TREE_DATA_STR, 
OBJECT_TYPE TYPE STRING,
GUID TYPE STRING,
ECN_COUNTER TYPE STRING,
NAME TYPE STRING,
CLASS TYPE STRING,
OBJECT_SUBTYPE TYPE STRING,
DESCRIPTION TYPE STRING,
CHANGE_NUMBER TYPE STRING,
VALID_FROM TYPE STRING,
DELETION_INDICATOR TYPE STRING,
SORT TYPE STRING,
MATERIAL TYPE STRING,
QUANTITY TYPE STRING,
UNIT_OF_MEASURE TYPE STRING,
STATUS_ICON TYPE STRING,
STATUS_DESC TYPE STRING,
BOM_MATERIAL TYPE STRING,
PLANT TYPE STRING,
BOM_USAGE TYPE STRING,
ALTERNATIVE_BOM TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTPART TYPE STRING,
DOCUMENTVERSION TYPE STRING,
BOM_USAGE_KEY TYPE STRING,
GOS_OBJECT_TYPE TYPE STRING,
GOS_ICON TYPE STRING,
OBJECT_SUBTYPE_DESCRIPTION TYPE STRING,
INHER_NODE TYPE STRING,
ITEM_NODE TYPE STRING,
ITEM_COUNTER TYPE STRING,
ITEM_CAT TYPE STRING,
SPARE_PART TYPE STRING,
ITEM_TEXT1 TYPE STRING,
ITEM_TEXT2 TYPE STRING,
CHANGE_NO TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
VALID_FROM_DATE TYPE STRING,
VALID_TO_DATE TYPE STRING,
PURCH_ORG TYPE STRING,
PURCH_GROUP TYPE STRING,
VENDOR_NO TYPE STRING,
DELIVERY_DAYS TYPE STRING,
MATL_GROUP TYPE STRING,
PRICE TYPE STRING,
CURRENCY TYPE STRING,
COST_ELEMENT TYPE STRING,
GR_PR_TIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMB/S_PPE_CMP_TREE_DATA_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_/PLMB/S_PPE_CMP_TREE_DATA_STR-OBJECT_TYPE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-GUID sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-ECN_COUNTER sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-NAME sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-CLASS sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-OBJECT_SUBTYPE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-DESCRIPTION sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-CHANGE_NUMBER sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-VALID_FROM sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-DELETION_INDICATOR sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-SORT sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-MATERIAL sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-QUANTITY sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-UNIT_OF_MEASURE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-STATUS_ICON sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-STATUS_DESC sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-BOM_MATERIAL sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-PLANT sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-BOM_USAGE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-ALTERNATIVE_BOM sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-DOCUMENTTYPE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-DOCUMENTNUMBER sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-DOCUMENTPART sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-DOCUMENTVERSION sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-BOM_USAGE_KEY sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-GOS_OBJECT_TYPE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-GOS_ICON sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-OBJECT_SUBTYPE_DESCRIPTION sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-INHER_NODE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-ITEM_NODE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-ITEM_COUNTER sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-ITEM_CAT sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-SPARE_PART sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-ITEM_TEXT1 sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-ITEM_TEXT2 sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-CHANGE_NO sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-CREATED_ON sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-CREATED_BY sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-CHANGED_ON sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-CHANGED_BY sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-VALID_FROM_DATE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-VALID_TO_DATE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-PURCH_ORG sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-PURCH_GROUP sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-VENDOR_NO sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-DELIVERY_DAYS sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-MATL_GROUP sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-PRICE sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-CURRENCY sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-COST_ELEMENT sy-vline 
WA_/PLMB/S_PPE_CMP_TREE_DATA_STR-GR_PR_TIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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