ABAP Select data from SAP table /PLMI/S_GSS_MBOM_HEADER_CHANGE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMI/S_GSS_MBOM_HEADER_CHANGE
*  INTO TABLE @DATA(IT_/PLMI/S_GSS_MBOM_HEADER_CHANGE2).
*--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_/PLMI/S_GSS_MBOM_HEADER_CHANGE INDEX 1 INTO DATA(WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMI/S_GSS_MBOM_HEADER_CHANGE>-KEY_V = 1.
</PLMI/S_GSS_MBOM_HEADER_CHANGE>-ASPECT = 1.
</PLMI/S_GSS_MBOM_HEADER_CHANGE>-ID = 1.
</PLMI/S_GSS_MBOM_HEADER_CHANGE>-KEY_V_PRED = 1.
</PLMI/S_GSS_MBOM_HEADER_CHANGE>-ASPECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-ID, sy-vline,
  WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-R_APPL_ENHANCE, sy-vline,
  WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-MATERIAL, sy-vline,
  WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-PLANT, sy-vline,
  WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-BOM_USAGE, sy-vline,
  WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-ALTERNATIVE_BOM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE 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_/PLMI/S_GSS_MBOM_HEADER_CHANGE 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_/PLMI/S_GSS_MBOM_HEADER_CHANGE INTO WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE.


*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_/PLMI/S_GSS_MBOM_HEADER_CHANGE-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ISOLA, internal->external for field LTXT_LANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-LTXT_LANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-LTXT_LANG.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field CHANGE_NO_TO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-CHANGE_NO_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE-CHANGE_NO_TO.
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_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR, 
KEY_V TYPE STRING,
ASPECT TYPE STRING,
ID TYPE STRING,
KEY_V_PRED TYPE STRING,
ASPECT TYPE STRING,
ID TYPE STRING,
R_APPL_ENHANCE TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
BOM_USAGE TYPE STRING,
ALTERNATIVE_BOM TYPE STRING,
COUNTER TYPE STRING,
BOM_TYPE TYPE STRING,
BOM_NO TYPE STRING,
BASE_QTY TYPE STRING,
BASE_UNIT TYPE STRING,
LAB_DESIGN TYPE STRING,
BOM_STATUS TYPE STRING,
BOM_GROUP TYPE STRING,
AUTH_GROUP TYPE STRING,
DEL_IND TYPE STRING,
DELETION_IND TYPE STRING,
CAD_IND TYPE STRING,
ALE_IND TYPE STRING,
LOT_SIZE_FROM TYPE STRING,
LOT_SIZE_TO TYPE STRING,
LOT_SIZE_UNIT TYPE STRING,
LTXT_LANG TYPE STRING,
ALT_TEXT TYPE STRING,
ALT_TEXT_IND TYPE STRING,
BOM_TEXT TYPE STRING,
BOM_TEXT_IND TYPE STRING,
BOM_GUID TYPE STRING,
TECHNICAL_TYPE TYPE STRING,
CONF_BOM TYPE STRING,
DOC_LINK_EXIST TYPE STRING,
CLIENT TYPE STRING,
VALID_FROM_DATE TYPE STRING,
CHANGE_NO TYPE STRING,
VALID_TO_DATE TYPE STRING,
CHANGE_NO_TO TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
IS_DELETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_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_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-KEY_V sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-ASPECT sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-ID sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-KEY_V_PRED sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-ASPECT sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-ID sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-R_APPL_ENHANCE sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-MATERIAL sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-PLANT sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BOM_USAGE sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-ALTERNATIVE_BOM sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-COUNTER sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BOM_TYPE sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BOM_NO sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BASE_QTY sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BASE_UNIT sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-LAB_DESIGN sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BOM_STATUS sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BOM_GROUP sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-AUTH_GROUP sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-DEL_IND sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-DELETION_IND sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CAD_IND sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-ALE_IND sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-LOT_SIZE_FROM sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-LOT_SIZE_TO sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-LOT_SIZE_UNIT sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-LTXT_LANG sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-ALT_TEXT sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-ALT_TEXT_IND sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BOM_TEXT sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BOM_TEXT_IND sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-BOM_GUID sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-TECHNICAL_TYPE sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CONF_BOM sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-DOC_LINK_EXIST sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CLIENT sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-VALID_FROM_DATE sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CHANGE_NO sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-VALID_TO_DATE sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CHANGE_NO_TO sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CREATED_ON sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CREATED_BY sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CHANGED_ON sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-CHANGED_BY sy-vline 
WA_/PLMI/S_GSS_MBOM_HEADER_CHANGE_STR-IS_DELETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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