ABAP Select data from SAP table ASDBDREQITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ASDBDREQITEM
*  INTO TABLE @DATA(IT_ASDBDREQITEM2).
*--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_ASDBDREQITEM INDEX 1 INTO DATA(WA_ASDBDREQITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ASDBDREQITEM>-MANDT = 1.
<ASDBDREQITEM>-BILLINGDOCUMENTREQUEST = 1.
<ASDBDREQITEM>-BILLINGDOCUMENTREQUESTITEM = 1.
<ASDBDREQITEM>-CREATIONDATE = 1.
<ASDBDREQITEM>-CREATIONTIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ASDBDREQITEM-REFERENCELOGICALSYSTEM, sy-vline,
  WA_ASDBDREQITEM-DIVISION, sy-vline,
  WA_ASDBDREQITEM-MATERIAL, sy-vline,
  WA_ASDBDREQITEM-PRODUCTHIERARCHYNODE, sy-vline,
  WA_ASDBDREQITEM-PLANT, sy-vline,
  WA_ASDBDREQITEM-BILLINGDOCUMENTREQUESTITEMTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ASDBDREQITEM 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_ASDBDREQITEM 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_ASDBDREQITEM INTO WA_ASDBDREQITEM.


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

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

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

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

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

*Conversion exit ABPSP, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ASDBDREQITEM-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ASDBDREQITEM-WBSELEMENT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field REFERENCEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ASDBDREQITEM-REFERENCEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ASDBDREQITEM-REFERENCEDOCUMENT.
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_ASDBDREQITEM_STR, 
MANDT TYPE STRING,
BILLINGDOCUMENTREQUEST TYPE STRING,
BILLINGDOCUMENTREQUESTITEM TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
REFERENCELOGICALSYSTEM TYPE STRING,
DIVISION TYPE STRING,
MATERIAL TYPE STRING,
PRODUCTHIERARCHYNODE TYPE STRING,
PLANT TYPE STRING,
BILLINGDOCUMENTREQUESTITEMTEXT TYPE STRING,
SERVICESRENDEREDDATE TYPE STRING,
BILLINGQUANTITY TYPE STRING,
BILLINGQUANTITYUNIT TYPE STRING,
NETAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
GROSSAMOUNT TYPE STRING,
PRICINGDATE TYPE STRING,
ABSLTPRICEDETNEXCHANGERATE TYPE STRING,
PRICEDETNEXCHRATEISINDRCTQTAN TYPE STRING,
TAXAMOUNT TYPE STRING,
DEPARTURECOUNTRY TYPE STRING,
TAXJURISDICTION TYPE STRING,
PRODUCTTAXCLASSIFICATION1 TYPE STRING,
BUSINESSAREA TYPE STRING,
PROFITCENTER TYPE STRING,
WBSELEMENT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
ORDERID TYPE STRING,
COSTCENTER TYPE STRING,
MATLACCOUNTASSIGNMENTGROUP TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCUMENTITEM TYPE STRING,
HIGHERLEVELITEM TYPE STRING,
BILLGDOCREQUESTITEMINPARTSGMT TYPE STRING,
BILLINGDOCUMENTREQUESTTYPE TYPE STRING,
SALESORGANIZATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ASDBDREQITEM_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_ASDBDREQITEM_STR-MANDT sy-vline 
WA_ASDBDREQITEM_STR-BILLINGDOCUMENTREQUEST sy-vline 
WA_ASDBDREQITEM_STR-BILLINGDOCUMENTREQUESTITEM sy-vline 
WA_ASDBDREQITEM_STR-CREATIONDATE sy-vline 
WA_ASDBDREQITEM_STR-CREATIONTIME sy-vline 
WA_ASDBDREQITEM_STR-REFERENCELOGICALSYSTEM sy-vline 
WA_ASDBDREQITEM_STR-DIVISION sy-vline 
WA_ASDBDREQITEM_STR-MATERIAL sy-vline 
WA_ASDBDREQITEM_STR-PRODUCTHIERARCHYNODE sy-vline 
WA_ASDBDREQITEM_STR-PLANT sy-vline 
WA_ASDBDREQITEM_STR-BILLINGDOCUMENTREQUESTITEMTEXT sy-vline 
WA_ASDBDREQITEM_STR-SERVICESRENDEREDDATE sy-vline 
WA_ASDBDREQITEM_STR-BILLINGQUANTITY sy-vline 
WA_ASDBDREQITEM_STR-BILLINGQUANTITYUNIT sy-vline 
WA_ASDBDREQITEM_STR-NETAMOUNT sy-vline 
WA_ASDBDREQITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_ASDBDREQITEM_STR-GROSSAMOUNT sy-vline 
WA_ASDBDREQITEM_STR-PRICINGDATE sy-vline 
WA_ASDBDREQITEM_STR-ABSLTPRICEDETNEXCHANGERATE sy-vline 
WA_ASDBDREQITEM_STR-PRICEDETNEXCHRATEISINDRCTQTAN sy-vline 
WA_ASDBDREQITEM_STR-TAXAMOUNT sy-vline 
WA_ASDBDREQITEM_STR-DEPARTURECOUNTRY sy-vline 
WA_ASDBDREQITEM_STR-TAXJURISDICTION sy-vline 
WA_ASDBDREQITEM_STR-PRODUCTTAXCLASSIFICATION1 sy-vline 
WA_ASDBDREQITEM_STR-BUSINESSAREA sy-vline 
WA_ASDBDREQITEM_STR-PROFITCENTER sy-vline 
WA_ASDBDREQITEM_STR-WBSELEMENT sy-vline 
WA_ASDBDREQITEM_STR-CONTROLLINGAREA sy-vline 
WA_ASDBDREQITEM_STR-PROFITABILITYSEGMENT sy-vline 
WA_ASDBDREQITEM_STR-ORDERID sy-vline 
WA_ASDBDREQITEM_STR-COSTCENTER sy-vline 
WA_ASDBDREQITEM_STR-MATLACCOUNTASSIGNMENTGROUP sy-vline 
WA_ASDBDREQITEM_STR-REFERENCEDOCUMENT sy-vline 
WA_ASDBDREQITEM_STR-REFERENCEDOCUMENTITEM sy-vline 
WA_ASDBDREQITEM_STR-HIGHERLEVELITEM sy-vline 
WA_ASDBDREQITEM_STR-BILLGDOCREQUESTITEMINPARTSGMT sy-vline 
WA_ASDBDREQITEM_STR-BILLINGDOCUMENTREQUESTTYPE sy-vline 
WA_ASDBDREQITEM_STR-SALESORGANIZATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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