ABAP Select data from SAP table ICAPAYMENTMETH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICAPAYMENTMETH
*  INTO TABLE @DATA(IT_ICAPAYMENTMETH2).
*--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_ICAPAYMENTMETH INDEX 1 INTO DATA(WA_ICAPAYMENTMETH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICAPAYMENTMETH>-MANDT = 1.
<ICAPAYMENTMETH>-COUNTRY = 1.
<ICAPAYMENTMETH>-CAPAYMENTMETHOD = 1.
<ICAPAYMENTMETH>-BANKDETAILSOFBPAREREQUIRED = 1.
<ICAPAYMENTMETH>-ADDRESSDETAILSAREREQUIRED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICAPAYMENTMETH-ISPAYTMETHFORINCOMINGPAYMENTS, sy-vline,
  WA_ICAPAYMENTMETH-CAISPAYTMETHFORPOSTOFFCBKACCT, sy-vline,
  WA_ICAPAYMENTMETH-CHEQUEISCREATEDWITHPAYTMETH, sy-vline,
  WA_ICAPAYMENTMETH-ISPAYTMETHFOREUINTERNALTRANSF, sy-vline,
  WA_ICAPAYMENTMETH-CAPAYMENTMETHODPROCESSINGTYPE, sy-vline,
  WA_ICAPAYMENTMETH-CAPAYMENTMEDIUMFORMAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICAPAYMENTMETH 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_ICAPAYMENTMETH 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_ICAPAYMENTMETH INTO WA_ICAPAYMENTMETH.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ICAPAYMENTMETH_STR, 
MANDT TYPE STRING,
COUNTRY TYPE STRING,
CAPAYMENTMETHOD TYPE STRING,
BANKDETAILSOFBPAREREQUIRED TYPE STRING,
ADDRESSDETAILSAREREQUIRED TYPE STRING,
ISPAYTMETHFORINCOMINGPAYMENTS TYPE STRING,
CAISPAYTMETHFORPOSTOFFCBKACCT TYPE STRING,
CHEQUEISCREATEDWITHPAYTMETH TYPE STRING,
ISPAYTMETHFOREUINTERNALTRANSF TYPE STRING,
CAPAYMENTMETHODPROCESSINGTYPE TYPE STRING,
CAPAYMENTMEDIUMFORMAT TYPE STRING,
CASUPLMNTFORPAYTMEDIUMFORMAT TYPE STRING,
CAPAYMENTORDERISCREATED TYPE STRING,
CAPAYTMETHFORBILLERDIRECT TYPE STRING,
CAISPAYTSLIPWITHREFNMBRPROCED TYPE STRING,
CAPAYTMETHADDRESSISNOTREQUIRED TYPE STRING,
BR_CABOLETOASSIGNMENTTYPE TYPE STRING,
CAPAYMENTMETHODNOTIFICATIONCAT TYPE STRING,
CAIBANANDORSWIFTCODEISREQUIRED TYPE STRING,
CASEPAMANDATEISREQUIRED TYPE STRING,
CASEPAPRENOTIFICATIONISCREATED TYPE STRING,
CAREALTIMEPAYMENTCATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICAPAYMENTMETH_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_ICAPAYMENTMETH_STR-MANDT sy-vline 
WA_ICAPAYMENTMETH_STR-COUNTRY sy-vline 
WA_ICAPAYMENTMETH_STR-CAPAYMENTMETHOD sy-vline 
WA_ICAPAYMENTMETH_STR-BANKDETAILSOFBPAREREQUIRED sy-vline 
WA_ICAPAYMENTMETH_STR-ADDRESSDETAILSAREREQUIRED sy-vline 
WA_ICAPAYMENTMETH_STR-ISPAYTMETHFORINCOMINGPAYMENTS sy-vline 
WA_ICAPAYMENTMETH_STR-CAISPAYTMETHFORPOSTOFFCBKACCT sy-vline 
WA_ICAPAYMENTMETH_STR-CHEQUEISCREATEDWITHPAYTMETH sy-vline 
WA_ICAPAYMENTMETH_STR-ISPAYTMETHFOREUINTERNALTRANSF sy-vline 
WA_ICAPAYMENTMETH_STR-CAPAYMENTMETHODPROCESSINGTYPE sy-vline 
WA_ICAPAYMENTMETH_STR-CAPAYMENTMEDIUMFORMAT sy-vline 
WA_ICAPAYMENTMETH_STR-CASUPLMNTFORPAYTMEDIUMFORMAT sy-vline 
WA_ICAPAYMENTMETH_STR-CAPAYMENTORDERISCREATED sy-vline 
WA_ICAPAYMENTMETH_STR-CAPAYTMETHFORBILLERDIRECT sy-vline 
WA_ICAPAYMENTMETH_STR-CAISPAYTSLIPWITHREFNMBRPROCED sy-vline 
WA_ICAPAYMENTMETH_STR-CAPAYTMETHADDRESSISNOTREQUIRED sy-vline 
WA_ICAPAYMENTMETH_STR-BR_CABOLETOASSIGNMENTTYPE sy-vline 
WA_ICAPAYMENTMETH_STR-CAPAYMENTMETHODNOTIFICATIONCAT sy-vline 
WA_ICAPAYMENTMETH_STR-CAIBANANDORSWIFTCODEISREQUIRED sy-vline 
WA_ICAPAYMENTMETH_STR-CASEPAMANDATEISREQUIRED sy-vline 
WA_ICAPAYMENTMETH_STR-CASEPAPRENOTIFICATIONISCREATED sy-vline 
WA_ICAPAYMENTMETH_STR-CAREALTIMEPAYMENTCATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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