ABAP Select data from SAP table PCADOCCTNPAYDIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCADOCCTNPAYDIS
*  INTO TABLE @DATA(IT_PCADOCCTNPAYDIS2).
*--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_PCADOCCTNPAYDIS INDEX 1 INTO DATA(WA_PCADOCCTNPAYDIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCADOCCTNPAYDIS>-MANDT = 1.
<PCADOCCTNPAYDIS>-CADOCUMENTCONTAINERUUID = 1.
<PCADOCCTNPAYDIS>-CADOCUMENTCONTAINERSQNCNUMBER = 1.
<PCADOCCTNPAYDIS>-CADOCUMENT = 1.
<PCADOCCTNPAYDIS>-CAREPETITIONITEMNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCADOCCTNPAYDIS-CABPITEMNUMBER, sy-vline,
  WA_PCADOCCTNPAYDIS-CAPAYMENTDOCUMENT, sy-vline,
  WA_PCADOCCTNPAYDIS-CADOCUMENTCONTAINERREFTYPE, sy-vline,
  WA_PCADOCCTNPAYDIS-CREATIONDATE, sy-vline,
  WA_PCADOCCTNPAYDIS-CREATIONTIME, sy-vline,
  WA_PCADOCCTNPAYDIS-CADOCCONTAINERDOCITEMREFTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCADOCCTNPAYDIS 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_PCADOCCTNPAYDIS 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_PCADOCCTNPAYDIS INTO WA_PCADOCCTNPAYDIS.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCADOCCTNPAYDIS-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCADOCCTNPAYDIS-SEGMENT.
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_PCADOCCTNPAYDIS_STR, 
MANDT TYPE STRING,
CADOCUMENTCONTAINERUUID TYPE STRING,
CADOCUMENTCONTAINERSQNCNUMBER TYPE STRING,
CADOCUMENT TYPE STRING,
CAREPETITIONITEMNUMBER TYPE STRING,
CABPITEMNUMBER TYPE STRING,
CAPAYMENTDOCUMENT TYPE STRING,
CADOCUMENTCONTAINERREFTYPE TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CADOCCONTAINERDOCITEMREFTYPE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CACONTRACT TYPE STRING,
CASUBAPPLICATION TYPE STRING,
COMPANYCODE TYPE STRING,
CAGROUPINGFORPAYMENT TYPE STRING,
CADOCUMENTCONTAINERINVOICEUUID TYPE STRING,
CADOCCONTAINERINVOICESQNCNMBR TYPE STRING,
BUSINESSAREA TYPE STRING,
SEGMENT TYPE STRING,
CACLEARINGREASON TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
AMOUNTINDISPLAYCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCADOCCTNPAYDIS_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_PCADOCCTNPAYDIS_STR-MANDT sy-vline 
WA_PCADOCCTNPAYDIS_STR-CADOCUMENTCONTAINERUUID sy-vline 
WA_PCADOCCTNPAYDIS_STR-CADOCUMENTCONTAINERSQNCNUMBER sy-vline 
WA_PCADOCCTNPAYDIS_STR-CADOCUMENT sy-vline 
WA_PCADOCCTNPAYDIS_STR-CAREPETITIONITEMNUMBER sy-vline 
WA_PCADOCCTNPAYDIS_STR-CABPITEMNUMBER sy-vline 
WA_PCADOCCTNPAYDIS_STR-CAPAYMENTDOCUMENT sy-vline 
WA_PCADOCCTNPAYDIS_STR-CADOCUMENTCONTAINERREFTYPE sy-vline 
WA_PCADOCCTNPAYDIS_STR-CREATIONDATE sy-vline 
WA_PCADOCCTNPAYDIS_STR-CREATIONTIME sy-vline 
WA_PCADOCCTNPAYDIS_STR-CADOCCONTAINERDOCITEMREFTYPE sy-vline 
WA_PCADOCCTNPAYDIS_STR-BUSINESSPARTNER sy-vline 
WA_PCADOCCTNPAYDIS_STR-CONTRACTACCOUNT sy-vline 
WA_PCADOCCTNPAYDIS_STR-CACONTRACT sy-vline 
WA_PCADOCCTNPAYDIS_STR-CASUBAPPLICATION sy-vline 
WA_PCADOCCTNPAYDIS_STR-COMPANYCODE sy-vline 
WA_PCADOCCTNPAYDIS_STR-CAGROUPINGFORPAYMENT sy-vline 
WA_PCADOCCTNPAYDIS_STR-CADOCUMENTCONTAINERINVOICEUUID sy-vline 
WA_PCADOCCTNPAYDIS_STR-CADOCCONTAINERINVOICESQNCNMBR sy-vline 
WA_PCADOCCTNPAYDIS_STR-BUSINESSAREA sy-vline 
WA_PCADOCCTNPAYDIS_STR-SEGMENT sy-vline 
WA_PCADOCCTNPAYDIS_STR-CACLEARINGREASON sy-vline 
WA_PCADOCCTNPAYDIS_STR-DISPLAYCURRENCY sy-vline 
WA_PCADOCCTNPAYDIS_STR-AMOUNTINDISPLAYCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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