ABAP Select data from SAP table CSDBDRWL into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CSDBDRWL 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 CSDBDRWL. 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 CSDBDRWL 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_CSDBDRWL TYPE STANDARD TABLE OF CSDBDRWL,
      WA_CSDBDRWL TYPE CSDBDRWL,
      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: <CSDBDRWL> TYPE CSDBDRWL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSDBDRWL
*  INTO TABLE @DATA(IT_CSDBDRWL2).
*--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_CSDBDRWL INDEX 1 INTO DATA(WA_CSDBDRWL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSDBDRWL>-MANDT = 1.
<CSDBDRWL>-BILLINGDOCUMENTREQUEST = 1.
<CSDBDRWL>-REFERENCESDDOCUMENT = 1.
<CSDBDRWL>-BILLINGDOCUMENTREQUESTTYPE = 1.
<CSDBDRWL>-BILLINGDOCUMENTTYPENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSDBDRWL-SOLDTOPARTY, sy-vline,
  WA_CSDBDRWL-SOLDTOPARTYNAME, sy-vline,
  WA_CSDBDRWL-SOLDTOPARTYADDITIONALNAME, sy-vline,
  WA_CSDBDRWL-SALESDOCUMENTCONDITION, sy-vline,
  WA_CSDBDRWL-OVERALLBILLINGDOCREQSTATUS, sy-vline,
  WA_CSDBDRWL-PAYERPARTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSDBDRWL 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_CSDBDRWL 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_CSDBDRWL INTO WA_CSDBDRWL.


*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_CSDBDRWL-BILLINGDOCUMENTREQUEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSDBDRWL-BILLINGDOCUMENTREQUEST.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field BILLINGDOCREQUESTREFERENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSDBDRWL-BILLINGDOCREQUESTREFERENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSDBDRWL-BILLINGDOCREQUESTREFERENCE.
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_CSDBDRWL_STR, 
MANDT TYPE STRING,
BILLINGDOCUMENTREQUEST TYPE STRING,
REFERENCESDDOCUMENT TYPE STRING,
BILLINGDOCUMENTREQUESTTYPE TYPE STRING,
BILLINGDOCUMENTTYPENAME TYPE STRING,
SOLDTOPARTY TYPE STRING,
SOLDTOPARTYNAME TYPE STRING,
SOLDTOPARTYADDITIONALNAME TYPE STRING,
SALESDOCUMENTCONDITION TYPE STRING,
OVERALLBILLINGDOCREQSTATUS TYPE STRING,
PAYERPARTY TYPE STRING,
PAYERPARTYNAME TYPE STRING,
PAYERPARTYADDITIONALNAME TYPE STRING,
COMPANYCODE TYPE STRING,
SALESORGANIZATION TYPE STRING,
BILLINGDOCUMENTDATE TYPE STRING,
CREATIONDATE TYPE STRING,
BILLINGISSUETYPE TYPE STRING,
BILLGDOCREQREFLGCLSYST TYPE STRING,
BILLINGDOCREQUESTREFERENCE TYPE STRING,
BILLGDOCREQREFSDDOCCATEGORY TYPE STRING,
PROPOSEDBILLINGDOCUMENTTYPE TYPE STRING,
TOTALTAXAMOUNT TYPE STRING,
TOTALGROSSAMOUNT TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
CUSTOMERPAYMENTTERMS TYPE STRING,
INCOTERMSVERSION TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSDBDRWL_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_CSDBDRWL_STR-MANDT sy-vline 
WA_CSDBDRWL_STR-BILLINGDOCUMENTREQUEST sy-vline 
WA_CSDBDRWL_STR-REFERENCESDDOCUMENT sy-vline 
WA_CSDBDRWL_STR-BILLINGDOCUMENTREQUESTTYPE sy-vline 
WA_CSDBDRWL_STR-BILLINGDOCUMENTTYPENAME sy-vline 
WA_CSDBDRWL_STR-SOLDTOPARTY sy-vline 
WA_CSDBDRWL_STR-SOLDTOPARTYNAME sy-vline 
WA_CSDBDRWL_STR-SOLDTOPARTYADDITIONALNAME sy-vline 
WA_CSDBDRWL_STR-SALESDOCUMENTCONDITION sy-vline 
WA_CSDBDRWL_STR-OVERALLBILLINGDOCREQSTATUS sy-vline 
WA_CSDBDRWL_STR-PAYERPARTY sy-vline 
WA_CSDBDRWL_STR-PAYERPARTYNAME sy-vline 
WA_CSDBDRWL_STR-PAYERPARTYADDITIONALNAME sy-vline 
WA_CSDBDRWL_STR-COMPANYCODE sy-vline 
WA_CSDBDRWL_STR-SALESORGANIZATION sy-vline 
WA_CSDBDRWL_STR-BILLINGDOCUMENTDATE sy-vline 
WA_CSDBDRWL_STR-CREATIONDATE sy-vline 
WA_CSDBDRWL_STR-BILLINGISSUETYPE sy-vline 
WA_CSDBDRWL_STR-BILLGDOCREQREFLGCLSYST sy-vline 
WA_CSDBDRWL_STR-BILLINGDOCREQUESTREFERENCE sy-vline 
WA_CSDBDRWL_STR-BILLGDOCREQREFSDDOCCATEGORY sy-vline 
WA_CSDBDRWL_STR-PROPOSEDBILLINGDOCUMENTTYPE sy-vline 
WA_CSDBDRWL_STR-TOTALTAXAMOUNT sy-vline 
WA_CSDBDRWL_STR-TOTALGROSSAMOUNT sy-vline 
WA_CSDBDRWL_STR-TOTALNETAMOUNT sy-vline 
WA_CSDBDRWL_STR-TRANSACTIONCURRENCY sy-vline 
WA_CSDBDRWL_STR-SDDOCUMENTCATEGORY sy-vline 
WA_CSDBDRWL_STR-CUSTOMERPAYMENTTERMS sy-vline 
WA_CSDBDRWL_STR-INCOTERMSVERSION sy-vline 
WA_CSDBDRWL_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_CSDBDRWL_STR-INCOTERMSLOCATION1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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