ABAP Select data from SAP table CSRNTRPECSLITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSRNTRPECSLITM
*  INTO TABLE @DATA(IT_CSRNTRPECSLITM2).
*--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_CSRNTRPECSLITM INDEX 1 INTO DATA(WA_CSRNTRPECSLITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSRNTRPECSLITM>-MANDT = 1.
<CSRNTRPECSLITM>-COMPANYCODE = 1.
<CSRNTRPECSLITM>-ACCOUNTINGDOCUMENT = 1.
<CSRNTRPECSLITM>-FISCALYEAR = 1.
<CSRNTRPECSLITM>-TAXCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSRNTRPECSLITM-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_CSRNTRPECSLITM-CREDITOR, sy-vline,
  WA_CSRNTRPECSLITM-DEBTOR, sy-vline,
  WA_CSRNTRPECSLITM-VATREGISTRATION, sy-vline,
  WA_CSRNTRPECSLITM-TAXABLEENTITY, sy-vline,
  WA_CSRNTRPECSLITM-REPORTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSRNTRPECSLITM 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_CSRNTRPECSLITM 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_CSRNTRPECSLITM INTO WA_CSRNTRPECSLITM.


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

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

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

*Conversion exit ALPHA, internal->external for field DEBTOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSRNTRPECSLITM-DEBTOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRNTRPECSLITM-DEBTOR.
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_CSRNTRPECSLITM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
CREDITOR TYPE STRING,
DEBTOR TYPE STRING,
VATREGISTRATION TYPE STRING,
TAXABLEENTITY TYPE STRING,
REPORTINGDATE TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REPORTINGCOUNTRY TYPE STRING,
ISEUTRIANGULARDEAL TYPE STRING,
DELIVOFGOODSDESTCOUNTRY TYPE STRING,
DELIVOFGOODSORIGINCOUNTRY TYPE STRING,
EUTAXCLASSIFICATION TYPE STRING,
TAXTYPE TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSRNTRPECSLITM_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_CSRNTRPECSLITM_STR-MANDT sy-vline 
WA_CSRNTRPECSLITM_STR-COMPANYCODE sy-vline 
WA_CSRNTRPECSLITM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CSRNTRPECSLITM_STR-FISCALYEAR sy-vline 
WA_CSRNTRPECSLITM_STR-TAXCODE sy-vline 
WA_CSRNTRPECSLITM_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_CSRNTRPECSLITM_STR-CREDITOR sy-vline 
WA_CSRNTRPECSLITM_STR-DEBTOR sy-vline 
WA_CSRNTRPECSLITM_STR-VATREGISTRATION sy-vline 
WA_CSRNTRPECSLITM_STR-TAXABLEENTITY sy-vline 
WA_CSRNTRPECSLITM_STR-REPORTINGDATE sy-vline 
WA_CSRNTRPECSLITM_STR-POSTINGDATE sy-vline 
WA_CSRNTRPECSLITM_STR-DOCUMENTDATE sy-vline 
WA_CSRNTRPECSLITM_STR-TAXREPORTINGDATE sy-vline 
WA_CSRNTRPECSLITM_STR-REPORTINGCOUNTRY sy-vline 
WA_CSRNTRPECSLITM_STR-ISEUTRIANGULARDEAL sy-vline 
WA_CSRNTRPECSLITM_STR-DELIVOFGOODSDESTCOUNTRY sy-vline 
WA_CSRNTRPECSLITM_STR-DELIVOFGOODSORIGINCOUNTRY sy-vline 
WA_CSRNTRPECSLITM_STR-EUTAXCLASSIFICATION sy-vline 
WA_CSRNTRPECSLITM_STR-TAXTYPE sy-vline 
WA_CSRNTRPECSLITM_STR-STATRYRPTGENTITY sy-vline 
WA_CSRNTRPECSLITM_STR-STATRYRPTCATEGORY sy-vline 
WA_CSRNTRPECSLITM_STR-STATRYRPTRUNID sy-vline      INTO ld_text SEPARATED BY SPACE.

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