ABAP Select data from SAP table CBOMDWNSTRMFP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CBOMDWNSTRMFP
*  INTO TABLE @DATA(IT_CBOMDWNSTRMFP2).
*--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_CBOMDWNSTRMFP INDEX 1 INTO DATA(WA_CBOMDWNSTRMFP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CBOMDWNSTRMFP>-MANDT = 1.
<CBOMDWNSTRMFP>-MATERIAL = 1.
<CBOMDWNSTRMFP>-PLANT = 1.
<CBOMDWNSTRMFP>-MRPAREA = 1.
<CBOMDWNSTRMFP>-MRPPROCEDURE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CBOMDWNSTRMFP-BILLOFMATERIALCOMPONENT, sy-vline,
  WA_CBOMDWNSTRMFP-MATERIALNAME, sy-vline,
  WA_CBOMDWNSTRMFP-PLANTNAME, sy-vline,
  WA_CBOMDWNSTRMFP-MRPAREATEXT, sy-vline,
  WA_CBOMDWNSTRMFP-MRPTYPE, sy-vline,
  WA_CBOMDWNSTRMFP-MRPTYPENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CBOMDWNSTRMFP 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_CBOMDWNSTRMFP 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_CBOMDWNSTRMFP INTO WA_CBOMDWNSTRMFP.


*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_CBOMDWNSTRMFP-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CBOMDWNSTRMFP-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field BILLOFMATERIALCOMPONENT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CBOMDWNSTRMFP-BILLOFMATERIALCOMPONENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CBOMDWNSTRMFP-BILLOFMATERIALCOMPONENT.
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_CBOMDWNSTRMFP_STR, 
MANDT TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
MRPAREA TYPE STRING,
MRPPROCEDURE TYPE STRING,
BILLOFMATERIALCOMPONENT TYPE STRING,
MATERIALNAME TYPE STRING,
PLANTNAME TYPE STRING,
MRPAREATEXT TYPE STRING,
MRPTYPE TYPE STRING,
MRPTYPENAME TYPE STRING,
PRODUCTISBUFFERED TYPE STRING,
BUFFERSTATUS TYPE STRING,
STEPSBETWEENBUFFERS TYPE STRING,
TOTALNMBROFBUFINBETWEEN TYPE STRING,
BOMUSAGECODE TYPE STRING,
BOMUSAGEDESCRIPTION TYPE STRING,
CONSUMPTIONCODE TYPE STRING,
CONSUMPTIONDESCRIPTION TYPE STRING,
REPLENISHMENTLEADTIMECODE TYPE STRING,
REPLENISHMENTLEADTIMEDESC TYPE STRING,
VARIABILITYCODE TYPE STRING,
VARIABILITYDESCRIPTION TYPE STRING,
BUFFERSTATUSTEXT TYPE STRING,
INDIVIDUALLEADTIME TYPE STRING,
PRODUCTISCLASSIFIED TYPE STRING,
PRODUCTAUTHORIZATIONGROUP TYPE STRING,
PRODUCTTYPEAUTHORIZATIONGROUP TYPE STRING,
PRODUCTGROUPAUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CBOMDWNSTRMFP_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_CBOMDWNSTRMFP_STR-MANDT sy-vline 
WA_CBOMDWNSTRMFP_STR-MATERIAL sy-vline 
WA_CBOMDWNSTRMFP_STR-PLANT sy-vline 
WA_CBOMDWNSTRMFP_STR-MRPAREA sy-vline 
WA_CBOMDWNSTRMFP_STR-MRPPROCEDURE sy-vline 
WA_CBOMDWNSTRMFP_STR-BILLOFMATERIALCOMPONENT sy-vline 
WA_CBOMDWNSTRMFP_STR-MATERIALNAME sy-vline 
WA_CBOMDWNSTRMFP_STR-PLANTNAME sy-vline 
WA_CBOMDWNSTRMFP_STR-MRPAREATEXT sy-vline 
WA_CBOMDWNSTRMFP_STR-MRPTYPE sy-vline 
WA_CBOMDWNSTRMFP_STR-MRPTYPENAME sy-vline 
WA_CBOMDWNSTRMFP_STR-PRODUCTISBUFFERED sy-vline 
WA_CBOMDWNSTRMFP_STR-BUFFERSTATUS sy-vline 
WA_CBOMDWNSTRMFP_STR-STEPSBETWEENBUFFERS sy-vline 
WA_CBOMDWNSTRMFP_STR-TOTALNMBROFBUFINBETWEEN sy-vline 
WA_CBOMDWNSTRMFP_STR-BOMUSAGECODE sy-vline 
WA_CBOMDWNSTRMFP_STR-BOMUSAGEDESCRIPTION sy-vline 
WA_CBOMDWNSTRMFP_STR-CONSUMPTIONCODE sy-vline 
WA_CBOMDWNSTRMFP_STR-CONSUMPTIONDESCRIPTION sy-vline 
WA_CBOMDWNSTRMFP_STR-REPLENISHMENTLEADTIMECODE sy-vline 
WA_CBOMDWNSTRMFP_STR-REPLENISHMENTLEADTIMEDESC sy-vline 
WA_CBOMDWNSTRMFP_STR-VARIABILITYCODE sy-vline 
WA_CBOMDWNSTRMFP_STR-VARIABILITYDESCRIPTION sy-vline 
WA_CBOMDWNSTRMFP_STR-BUFFERSTATUSTEXT sy-vline 
WA_CBOMDWNSTRMFP_STR-INDIVIDUALLEADTIME sy-vline 
WA_CBOMDWNSTRMFP_STR-PRODUCTISCLASSIFIED sy-vline 
WA_CBOMDWNSTRMFP_STR-PRODUCTAUTHORIZATIONGROUP sy-vline 
WA_CBOMDWNSTRMFP_STR-PRODUCTTYPEAUTHORIZATIONGROUP sy-vline 
WA_CBOMDWNSTRMFP_STR-PRODUCTGROUPAUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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