ABAP Select data from SAP table ICAPAYTLOTITEMPC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICAPAYTLOTITEMPC
*  INTO TABLE @DATA(IT_ICAPAYTLOTITEMPC2).
*--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_ICAPAYTLOTITEMPC INDEX 1 INTO DATA(WA_ICAPAYTLOTITEMPC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICAPAYTLOTITEMPC>-MANDT = 1.
<ICAPAYTLOTITEMPC>-CAPAYMENTLOT = 1.
<ICAPAYTLOTITEMPC>-CAPAYMENTLOTITEM = 1.
<ICAPAYTLOTITEMPC>-CAPAYTLOTITEMFORPARTIALCLRFCTN = 1.
<ICAPAYTLOTITEMPC>-ASSIGNEDAMOUNTINTRANSCRCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICAPAYTLOTITEMPC-TRANSACTIONCURRENCY, sy-vline,
  WA_ICAPAYTLOTITEMPC-CLARIFIEDAMOUNTINLOCALCURRENCY, sy-vline,
  WA_ICAPAYTLOTITEMPC-COMPANYCODECURRENCY, sy-vline,
  WA_ICAPAYTLOTITEMPC-CAPAYMENTISPOSTEDONACCOUNT, sy-vline,
  WA_ICAPAYTLOTITEMPC-CACLARIFICATIONDOCUMENT, sy-vline,
  WA_ICAPAYTLOTITEMPC-CAPOSTINGDATEOFCLRFCTNDOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICAPAYTLOTITEMPC 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_ICAPAYTLOTITEMPC 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_ICAPAYTLOTITEMPC INTO WA_ICAPAYTLOTITEMPC.


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

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

*Conversion exit ALPHA, internal->external for field CAREPAYMENTREQUEST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICAPAYTLOTITEMPC-CAREPAYMENTREQUEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICAPAYTLOTITEMPC-CAREPAYMENTREQUEST.
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_ICAPAYTLOTITEMPC_STR, 
MANDT TYPE STRING,
CAPAYMENTLOT TYPE STRING,
CAPAYMENTLOTITEM TYPE STRING,
CAPAYTLOTITEMFORPARTIALCLRFCTN TYPE STRING,
ASSIGNEDAMOUNTINTRANSCRCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CLARIFIEDAMOUNTINLOCALCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
CAPAYMENTISPOSTEDONACCOUNT TYPE STRING,
CACLARIFICATIONDOCUMENT TYPE STRING,
CAPOSTINGDATEOFCLRFCTNDOC TYPE STRING,
CACLARIFICATIONACCOUNT TYPE STRING,
CAREPAYMENTREQUEST TYPE STRING,
CAAUTHORIZATIONGROUP TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICAPAYTLOTITEMPC_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_ICAPAYTLOTITEMPC_STR-MANDT sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CAPAYMENTLOT sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CAPAYMENTLOTITEM sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CAPAYTLOTITEMFORPARTIALCLRFCTN sy-vline 
WA_ICAPAYTLOTITEMPC_STR-ASSIGNEDAMOUNTINTRANSCRCY sy-vline 
WA_ICAPAYTLOTITEMPC_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CLARIFIEDAMOUNTINLOCALCURRENCY sy-vline 
WA_ICAPAYTLOTITEMPC_STR-COMPANYCODECURRENCY sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CAPAYMENTISPOSTEDONACCOUNT sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CACLARIFICATIONDOCUMENT sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CAPOSTINGDATEOFCLRFCTNDOC sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CACLARIFICATIONACCOUNT sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CAREPAYMENTREQUEST sy-vline 
WA_ICAPAYTLOTITEMPC_STR-CAAUTHORIZATIONGROUP sy-vline 
WA_ICAPAYTLOTITEMPC_STR-COMPANYCODE sy-vline 
WA_ICAPAYTLOTITEMPC_STR-BUSINESSAREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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