ABAP Select data from SAP table APAYTADVC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM APAYTADVC
*  INTO TABLE @DATA(IT_APAYTADVC2).
*--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_APAYTADVC INDEX 1 INTO DATA(WA_APAYTADVC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<APAYTADVC>-MANDT = 1.
<APAYTADVC>-COMPANYCODE = 1.
<APAYTADVC>-PAYMENTADVICEACCOUNTTYPE = 1.
<APAYTADVC>-PAYMENTADVICEACCOUNT = 1.
<APAYTADVC>-PAYMENTADVICE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_APAYTADVC-PAYMENTDOCUMENT, sy-vline,
  WA_APAYTADVC-ACCOUNTBYSHIPPER, sy-vline,
  WA_APAYTADVC-PAYMENTCURRENCY, sy-vline,
  WA_APAYTADVC-PAYMENTDATE, sy-vline,
  WA_APAYTADVC-PAIDAMOUNTINPAYTCURRENCY, sy-vline,
  WA_APAYTADVC-CASHDISCOUNTAMOUNTINPAYTCRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_APAYTADVC 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_APAYTADVC 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_APAYTADVC INTO WA_APAYTADVC.


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

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

*Conversion exit AC132, internal->external for field PAIDAMOUNTINPAYTCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_APAYTADVC-PAIDAMOUNTINPAYTCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APAYTADVC-PAIDAMOUNTINPAYTCURRENCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FEEAMOUNTINTRANSACTIONCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_APAYTADVC-FEEAMOUNTINTRANSACTIONCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APAYTADVC-FEEAMOUNTINTRANSACTIONCRCY.
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_APAYTADVC_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
PAYMENTADVICEACCOUNTTYPE TYPE STRING,
PAYMENTADVICEACCOUNT TYPE STRING,
PAYMENTADVICE TYPE STRING,
PAYMENTDOCUMENT TYPE STRING,
ACCOUNTBYSHIPPER TYPE STRING,
PAYMENTCURRENCY TYPE STRING,
PAYMENTDATE TYPE STRING,
PAIDAMOUNTINPAYTCURRENCY TYPE STRING,
CASHDISCOUNTAMOUNTINPAYTCRCY TYPE STRING,
PARTNERBANKCOUNTRY TYPE STRING,
PARTNERBANKSWIFTCODE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
PAYMENTADVICEHEADERTEXT TYPE STRING,
PAYMENTADVICETYPE TYPE STRING,
PAYMENTADVICESTATUS TYPE STRING,
PAYTADVCDIFFDETERMINATIONRULE TYPE STRING,
PAYMENTADVICESELECTIONRULE TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
FEEAMOUNTINTRANSACTIONCRCY TYPE STRING,
PAYMENTTRANSACTION TYPE STRING,
EXCHANGERATE TYPE STRING,
BILLOFEXCHANGEFAILUREDATE TYPE STRING,
BANKREFERENCE TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_APAYTADVC_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_APAYTADVC_STR-MANDT sy-vline 
WA_APAYTADVC_STR-COMPANYCODE sy-vline 
WA_APAYTADVC_STR-PAYMENTADVICEACCOUNTTYPE sy-vline 
WA_APAYTADVC_STR-PAYMENTADVICEACCOUNT sy-vline 
WA_APAYTADVC_STR-PAYMENTADVICE sy-vline 
WA_APAYTADVC_STR-PAYMENTDOCUMENT sy-vline 
WA_APAYTADVC_STR-ACCOUNTBYSHIPPER sy-vline 
WA_APAYTADVC_STR-PAYMENTCURRENCY sy-vline 
WA_APAYTADVC_STR-PAYMENTDATE sy-vline 
WA_APAYTADVC_STR-PAIDAMOUNTINPAYTCURRENCY sy-vline 
WA_APAYTADVC_STR-CASHDISCOUNTAMOUNTINPAYTCRCY sy-vline 
WA_APAYTADVC_STR-PARTNERBANKCOUNTRY sy-vline 
WA_APAYTADVC_STR-PARTNERBANKSWIFTCODE sy-vline 
WA_APAYTADVC_STR-CREATEDBYUSER sy-vline 
WA_APAYTADVC_STR-CREATIONDATE sy-vline 
WA_APAYTADVC_STR-CREATIONTIME sy-vline 
WA_APAYTADVC_STR-LASTCHANGEDATE sy-vline 
WA_APAYTADVC_STR-LASTCHANGEDBYUSER sy-vline 
WA_APAYTADVC_STR-PAYMENTADVICEHEADERTEXT sy-vline 
WA_APAYTADVC_STR-PAYMENTADVICETYPE sy-vline 
WA_APAYTADVC_STR-PAYMENTADVICESTATUS sy-vline 
WA_APAYTADVC_STR-PAYTADVCDIFFDETERMINATIONRULE sy-vline 
WA_APAYTADVC_STR-PAYMENTADVICESELECTIONRULE sy-vline 
WA_APAYTADVC_STR-ORIGINALREFERENCEDOCUMENT sy-vline 
WA_APAYTADVC_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_APAYTADVC_STR-FEEAMOUNTINTRANSACTIONCRCY sy-vline 
WA_APAYTADVC_STR-PAYMENTTRANSACTION sy-vline 
WA_APAYTADVC_STR-EXCHANGERATE sy-vline 
WA_APAYTADVC_STR-BILLOFEXCHANGEFAILUREDATE sy-vline 
WA_APAYTADVC_STR-BANKREFERENCE sy-vline 
WA_APAYTADVC_STR-BUSINESSPARTNERNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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