ABAP Select data from SAP table PBOM_HEAD_DET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PBOM_HEAD_DET
*  INTO TABLE @DATA(IT_PBOM_HEAD_DET2).
*--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_PBOM_HEAD_DET INDEX 1 INTO DATA(WA_PBOM_HEAD_DET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PBOM_HEAD_DET>-MANDT = 1.
<PBOM_HEAD_DET>-BILLOFMATERIALCATEGORY = 1.
<PBOM_HEAD_DET>-BILLOFMATERIAL = 1.
<PBOM_HEAD_DET>-BILLOFMATERIALVARIANT = 1.
<PBOM_HEAD_DET>-BILLOFMATERIALVARIANTUSAGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PBOM_HEAD_DET-BOMHEADERINTERNALCHANGECOUNT, sy-vline,
  WA_PBOM_HEAD_DET-BILLOFMATERIALVERSION, sy-vline,
  WA_PBOM_HEAD_DET-GUIDX, sy-vline,
  WA_PBOM_HEAD_DET-DOCUMENTISCREATEDBYCAD, sy-vline,
  WA_PBOM_HEAD_DET-LABORATORYORDESIGNOFFICE, sy-vline,
  WA_PBOM_HEAD_DET-BOMPRIORITIZEDVERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PBOM_HEAD_DET 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_PBOM_HEAD_DET 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_PBOM_HEAD_DET INTO WA_PBOM_HEAD_DET.


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

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

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

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

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

*Conversion exit CUNIT, internal->external for field BOMHEADERBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PBOM_HEAD_DET-BOMHEADERBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PBOM_HEAD_DET-BOMHEADERBASEUNIT.
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_PBOM_HEAD_DET_STR, 
MANDT TYPE STRING,
BILLOFMATERIALCATEGORY TYPE STRING,
BILLOFMATERIAL TYPE STRING,
BILLOFMATERIALVARIANT TYPE STRING,
BILLOFMATERIALVARIANTUSAGE TYPE STRING,
BOMHEADERINTERNALCHANGECOUNT TYPE STRING,
BILLOFMATERIALVERSION TYPE STRING,
GUIDX TYPE STRING,
DOCUMENTISCREATEDBYCAD TYPE STRING,
LABORATORYORDESIGNOFFICE TYPE STRING,
BOMPRIORITIZEDVERSION TYPE STRING,
BOMEXPLOSIONAPPLICATION TYPE STRING,
ISMULTIPLEBOMALT TYPE STRING,
BOMUSAGEPRIORITY TYPE STRING,
BILLOFMATERIALAUTHSNGRP TYPE STRING,
BOMISCONFIGURABLE TYPE STRING,
ISCONFIGUREDMATERIAL TYPE STRING,
ISVERSIONBILLOFMATERIAL TYPE STRING,
BOMTECHNICALTYPE TYPE STRING,
BOMHEADERTEXT TYPE STRING,
LONGTEXTLANGUAGE TYPE STRING,
BOMGROUP TYPE STRING,
INDICATORISBOMWITHDATEHISTORY TYPE STRING,
INDICATORISBOMCHANGEDWITHHIST TYPE STRING,
BOMALTERNATIVETEXT TYPE STRING,
BILLOFMATERIALSTATUS TYPE STRING,
HEADERVALIDITYSTARTDATE TYPE STRING,
HEADERVALIDITYENDDATE TYPE STRING,
HEADERENGINEERINGCHGNMBRDOC TYPE STRING,
CHANGENUMBERTO TYPE STRING,
DELETIONINDICATOR TYPE STRING,
BOMISARCHIVEDFORDELETION TYPE STRING,
ISALE TYPE STRING,
BOMHEADERBASEUNIT TYPE STRING,
BOMHEADERQUANTITYINBASEUNIT TYPE STRING,
RECORDCREATIONDATE TYPE STRING,
LASTCHANGEDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
BOMISTOBEDELETED TYPE STRING,
BOMPREDECESSORVERSION TYPE STRING,
BOMVERSIONSTATUS TYPE STRING,
ISLATESTBOMVERSION TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
BOMASSETNTWKHNDOVRISRELEVANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PBOM_HEAD_DET_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_PBOM_HEAD_DET_STR-MANDT sy-vline 
WA_PBOM_HEAD_DET_STR-BILLOFMATERIALCATEGORY sy-vline 
WA_PBOM_HEAD_DET_STR-BILLOFMATERIAL sy-vline 
WA_PBOM_HEAD_DET_STR-BILLOFMATERIALVARIANT sy-vline 
WA_PBOM_HEAD_DET_STR-BILLOFMATERIALVARIANTUSAGE sy-vline 
WA_PBOM_HEAD_DET_STR-BOMHEADERINTERNALCHANGECOUNT sy-vline 
WA_PBOM_HEAD_DET_STR-BILLOFMATERIALVERSION sy-vline 
WA_PBOM_HEAD_DET_STR-GUIDX sy-vline 
WA_PBOM_HEAD_DET_STR-DOCUMENTISCREATEDBYCAD sy-vline 
WA_PBOM_HEAD_DET_STR-LABORATORYORDESIGNOFFICE sy-vline 
WA_PBOM_HEAD_DET_STR-BOMPRIORITIZEDVERSION sy-vline 
WA_PBOM_HEAD_DET_STR-BOMEXPLOSIONAPPLICATION sy-vline 
WA_PBOM_HEAD_DET_STR-ISMULTIPLEBOMALT sy-vline 
WA_PBOM_HEAD_DET_STR-BOMUSAGEPRIORITY sy-vline 
WA_PBOM_HEAD_DET_STR-BILLOFMATERIALAUTHSNGRP sy-vline 
WA_PBOM_HEAD_DET_STR-BOMISCONFIGURABLE sy-vline 
WA_PBOM_HEAD_DET_STR-ISCONFIGUREDMATERIAL sy-vline 
WA_PBOM_HEAD_DET_STR-ISVERSIONBILLOFMATERIAL sy-vline 
WA_PBOM_HEAD_DET_STR-BOMTECHNICALTYPE sy-vline 
WA_PBOM_HEAD_DET_STR-BOMHEADERTEXT sy-vline 
WA_PBOM_HEAD_DET_STR-LONGTEXTLANGUAGE sy-vline 
WA_PBOM_HEAD_DET_STR-BOMGROUP sy-vline 
WA_PBOM_HEAD_DET_STR-INDICATORISBOMWITHDATEHISTORY sy-vline 
WA_PBOM_HEAD_DET_STR-INDICATORISBOMCHANGEDWITHHIST sy-vline 
WA_PBOM_HEAD_DET_STR-BOMALTERNATIVETEXT sy-vline 
WA_PBOM_HEAD_DET_STR-BILLOFMATERIALSTATUS sy-vline 
WA_PBOM_HEAD_DET_STR-HEADERVALIDITYSTARTDATE sy-vline 
WA_PBOM_HEAD_DET_STR-HEADERVALIDITYENDDATE sy-vline 
WA_PBOM_HEAD_DET_STR-HEADERENGINEERINGCHGNMBRDOC sy-vline 
WA_PBOM_HEAD_DET_STR-CHANGENUMBERTO sy-vline 
WA_PBOM_HEAD_DET_STR-DELETIONINDICATOR sy-vline 
WA_PBOM_HEAD_DET_STR-BOMISARCHIVEDFORDELETION sy-vline 
WA_PBOM_HEAD_DET_STR-ISALE sy-vline 
WA_PBOM_HEAD_DET_STR-BOMHEADERBASEUNIT sy-vline 
WA_PBOM_HEAD_DET_STR-BOMHEADERQUANTITYINBASEUNIT sy-vline 
WA_PBOM_HEAD_DET_STR-RECORDCREATIONDATE sy-vline 
WA_PBOM_HEAD_DET_STR-LASTCHANGEDATE sy-vline 
WA_PBOM_HEAD_DET_STR-CREATEDBYUSER sy-vline 
WA_PBOM_HEAD_DET_STR-LASTCHANGEDBYUSER sy-vline 
WA_PBOM_HEAD_DET_STR-BOMISTOBEDELETED sy-vline 
WA_PBOM_HEAD_DET_STR-BOMPREDECESSORVERSION sy-vline 
WA_PBOM_HEAD_DET_STR-BOMVERSIONSTATUS sy-vline 
WA_PBOM_HEAD_DET_STR-ISLATESTBOMVERSION sy-vline 
WA_PBOM_HEAD_DET_STR-LASTCHANGEDATETIME sy-vline 
WA_PBOM_HEAD_DET_STR-BOMASSETNTWKHNDOVRISRELEVANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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