ABAP Select data from SAP table VMP_BOM_DRAFT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VMP_BOM_DRAFT
*  INTO TABLE @DATA(IT_VMP_BOM_DRAFT2).
*--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_VMP_BOM_DRAFT INDEX 1 INTO DATA(WA_VMP_BOM_DRAFT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VMP_BOM_DRAFT>-MANDT = 1.
<VMP_BOM_DRAFT>-DRAFTUUID = 1.
<VMP_BOM_DRAFT>-PARENTDRAFTUUID = 1.
<VMP_BOM_DRAFT>-DOCUMENTID = 1.
<VMP_BOM_DRAFT>-PLANNINGSCOPEALTERNATIVE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VMP_BOM_DRAFT-SOURCEMATERIAL, sy-vline,
  WA_VMP_BOM_DRAFT-PLANNINGSCOPEITEMCOUNT, sy-vline,
  WA_VMP_BOM_DRAFT-BILLOFMATERIALHEADERUUID, sy-vline,
  WA_VMP_BOM_DRAFT-MATERIAL, sy-vline,
  WA_VMP_BOM_DRAFT-TASKLISTGROUPCOUNTER, sy-vline,
  WA_VMP_BOM_DRAFT-TASKLISTGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VMP_BOM_DRAFT 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_VMP_BOM_DRAFT 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_VMP_BOM_DRAFT INTO WA_VMP_BOM_DRAFT.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CHANGENUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VMP_BOM_DRAFT-CHANGENUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VMP_BOM_DRAFT-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_VMP_BOM_DRAFT_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
DOCUMENTID TYPE STRING,
PLANNINGSCOPEALTERNATIVE TYPE STRING,
SOURCEMATERIAL TYPE STRING,
PLANNINGSCOPEITEMCOUNT TYPE STRING,
BILLOFMATERIALHEADERUUID TYPE STRING,
MATERIAL TYPE STRING,
TASKLISTGROUPCOUNTER TYPE STRING,
TASKLISTGROUP TYPE STRING,
TASKLISTTYPE TYPE STRING,
ALTERNATIVEBILLOFMATERIAL TYPE STRING,
MBOMSTATE TYPE STRING,
MFGBILLOFMATERIALCATEGORY TYPE STRING,
MBOMUSAGE TYPE STRING,
CHANGENUMBER TYPE STRING,
PLANT TYPE STRING,
BOMISACTIVE TYPE STRING,
BOMHEADERDRAFTUUID TYPE STRING,
STATUSCOUNT TYPE STRING,
SYNCEDWITHSYNCUNITUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VMP_BOM_DRAFT_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_VMP_BOM_DRAFT_STR-MANDT sy-vline 
WA_VMP_BOM_DRAFT_STR-DRAFTUUID sy-vline 
WA_VMP_BOM_DRAFT_STR-PARENTDRAFTUUID sy-vline 
WA_VMP_BOM_DRAFT_STR-DOCUMENTID sy-vline 
WA_VMP_BOM_DRAFT_STR-PLANNINGSCOPEALTERNATIVE sy-vline 
WA_VMP_BOM_DRAFT_STR-SOURCEMATERIAL sy-vline 
WA_VMP_BOM_DRAFT_STR-PLANNINGSCOPEITEMCOUNT sy-vline 
WA_VMP_BOM_DRAFT_STR-BILLOFMATERIALHEADERUUID sy-vline 
WA_VMP_BOM_DRAFT_STR-MATERIAL sy-vline 
WA_VMP_BOM_DRAFT_STR-TASKLISTGROUPCOUNTER sy-vline 
WA_VMP_BOM_DRAFT_STR-TASKLISTGROUP sy-vline 
WA_VMP_BOM_DRAFT_STR-TASKLISTTYPE sy-vline 
WA_VMP_BOM_DRAFT_STR-ALTERNATIVEBILLOFMATERIAL sy-vline 
WA_VMP_BOM_DRAFT_STR-MBOMSTATE sy-vline 
WA_VMP_BOM_DRAFT_STR-MFGBILLOFMATERIALCATEGORY sy-vline 
WA_VMP_BOM_DRAFT_STR-MBOMUSAGE sy-vline 
WA_VMP_BOM_DRAFT_STR-CHANGENUMBER sy-vline 
WA_VMP_BOM_DRAFT_STR-PLANT sy-vline 
WA_VMP_BOM_DRAFT_STR-BOMISACTIVE sy-vline 
WA_VMP_BOM_DRAFT_STR-BOMHEADERDRAFTUUID sy-vline 
WA_VMP_BOM_DRAFT_STR-STATUSCOUNT sy-vline 
WA_VMP_BOM_DRAFT_STR-SYNCEDWITHSYNCUNITUUID sy-vline 
WA_VMP_BOM_DRAFT_STR-HASACTIVEENTITY sy-vline 
WA_VMP_BOM_DRAFT_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_VMP_BOM_DRAFT_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_VMP_BOM_DRAFT_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_VMP_BOM_DRAFT_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_VMP_BOM_DRAFT_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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