ABAP Select data from SAP table PSRVCDOCFINITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSRVCDOCFINITM
*  INTO TABLE @DATA(IT_PSRVCDOCFINITM2).
*--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_PSRVCDOCFINITM INDEX 1 INTO DATA(WA_PSRVCDOCFINITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSRVCDOCFINITM>-MANDT = 1.
<PSRVCDOCFINITM>-LEDGER = 1.
<PSRVCDOCFINITM>-SOURCELEDGER = 1.
<PSRVCDOCFINITM>-COMPANYCODE = 1.
<PSRVCDOCFINITM>-FISCALYEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSRVCDOCFINITM-ACCOUNTINGDOCUMENT, sy-vline,
  WA_PSRVCDOCFINITM-LEDGERGLLINEITEM, sy-vline,
  WA_PSRVCDOCFINITM-GLACCOUNTHIERARCHY, sy-vline,
  WA_PSRVCDOCFINITM-SEMANTICTAG, sy-vline,
  WA_PSRVCDOCFINITM-VALIDITYSTARTDATE, sy-vline,
  WA_PSRVCDOCFINITM-VALIDITYENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSRVCDOCFINITM 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_PSRVCDOCFINITM 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_PSRVCDOCFINITM INTO WA_PSRVCDOCFINITM.


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

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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSRVCDOCFINITM-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCDOCFINITM-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PSRVCDOCFINITM-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCDOCFINITM-PRODUCT.
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_PSRVCDOCFINITM_STR, 
MANDT TYPE STRING,
LEDGER TYPE STRING,
SOURCELEDGER TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
GLACCOUNTHIERARCHY TYPE STRING,
SEMANTICTAG TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
SERVICECONTRACT TYPE STRING,
SERVICECONTRACTITEM TYPE STRING,
SERVICEDOCUMENT TYPE STRING,
SERVICEDOCUMENTITEM TYPE STRING,
BUSINESSSOLUTIONORDER TYPE STRING,
BUSINESSSOLUTIONORDERITEM TYPE STRING,
SERVICEDOCUMENTTYPE TYPE STRING,
SERVICECONTRACTTYPE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
REVENUEAMOUNTINCOMPANYCODECRCY TYPE STRING,
COSTAMOUNTINCOMPANYCODECRCY TYPE STRING,
RECOGNIZEDMARGINAMTINCCCRCY TYPE STRING,
YTDSRVCCONTRREVNAMTINDC TYPE STRING,
YTDSRVCCONTRCOSTINDC TYPE STRING,
YTDSRVCCONTRPRFTMARGINAMTINDC TYPE STRING,
CREATIONDATE TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
FISCALYEARVARIANT TYPE STRING,
FISCALPERIOD TYPE STRING,
FISCALQUARTER TYPE STRING,
PRODUCT TYPE STRING,
PRODUCTGROUP TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
ISCLOUDSYSTEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSRVCDOCFINITM_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_PSRVCDOCFINITM_STR-MANDT sy-vline 
WA_PSRVCDOCFINITM_STR-LEDGER sy-vline 
WA_PSRVCDOCFINITM_STR-SOURCELEDGER sy-vline 
WA_PSRVCDOCFINITM_STR-COMPANYCODE sy-vline 
WA_PSRVCDOCFINITM_STR-FISCALYEAR sy-vline 
WA_PSRVCDOCFINITM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PSRVCDOCFINITM_STR-LEDGERGLLINEITEM sy-vline 
WA_PSRVCDOCFINITM_STR-GLACCOUNTHIERARCHY sy-vline 
WA_PSRVCDOCFINITM_STR-SEMANTICTAG sy-vline 
WA_PSRVCDOCFINITM_STR-VALIDITYSTARTDATE sy-vline 
WA_PSRVCDOCFINITM_STR-VALIDITYENDDATE sy-vline 
WA_PSRVCDOCFINITM_STR-SERVICECONTRACT sy-vline 
WA_PSRVCDOCFINITM_STR-SERVICECONTRACTITEM sy-vline 
WA_PSRVCDOCFINITM_STR-SERVICEDOCUMENT sy-vline 
WA_PSRVCDOCFINITM_STR-SERVICEDOCUMENTITEM sy-vline 
WA_PSRVCDOCFINITM_STR-BUSINESSSOLUTIONORDER sy-vline 
WA_PSRVCDOCFINITM_STR-BUSINESSSOLUTIONORDERITEM sy-vline 
WA_PSRVCDOCFINITM_STR-SERVICEDOCUMENTTYPE sy-vline 
WA_PSRVCDOCFINITM_STR-SERVICECONTRACTTYPE sy-vline 
WA_PSRVCDOCFINITM_STR-COMPANYCODECURRENCY sy-vline 
WA_PSRVCDOCFINITM_STR-REVENUEAMOUNTINCOMPANYCODECRCY sy-vline 
WA_PSRVCDOCFINITM_STR-COSTAMOUNTINCOMPANYCODECRCY sy-vline 
WA_PSRVCDOCFINITM_STR-RECOGNIZEDMARGINAMTINCCCRCY sy-vline 
WA_PSRVCDOCFINITM_STR-YTDSRVCCONTRREVNAMTINDC sy-vline 
WA_PSRVCDOCFINITM_STR-YTDSRVCCONTRCOSTINDC sy-vline 
WA_PSRVCDOCFINITM_STR-YTDSRVCCONTRPRFTMARGINAMTINDC sy-vline 
WA_PSRVCDOCFINITM_STR-CREATIONDATE sy-vline 
WA_PSRVCDOCFINITM_STR-POSTINGDATE sy-vline 
WA_PSRVCDOCFINITM_STR-DOCUMENTDATE sy-vline 
WA_PSRVCDOCFINITM_STR-FISCALYEARVARIANT sy-vline 
WA_PSRVCDOCFINITM_STR-FISCALPERIOD sy-vline 
WA_PSRVCDOCFINITM_STR-FISCALQUARTER sy-vline 
WA_PSRVCDOCFINITM_STR-PRODUCT sy-vline 
WA_PSRVCDOCFINITM_STR-PRODUCTGROUP sy-vline 
WA_PSRVCDOCFINITM_STR-SALESORGANIZATION sy-vline 
WA_PSRVCDOCFINITM_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PSRVCDOCFINITM_STR-ORGANIZATIONDIVISION sy-vline 
WA_PSRVCDOCFINITM_STR-ISCLOUDSYSTEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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