ABAP Select data from SAP table PAY_NL_PENS_STR_CD_IF_PAYMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAY_NL_PENS_STR_CD_IF_PAYMENT
*  INTO TABLE @DATA(IT_PAY_NL_PENS_STR_CD_IF_PAYMENT2).
*--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_PAY_NL_PENS_STR_CD_IF_PAYMENT INDEX 1 INTO DATA(WA_PAY_NL_PENS_STR_CD_IF_PAYMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAY_NL_PENS_STR_CD_IF_PAYMENT>-PERSNUM = 1.
<PAY_NL_PENS_STR_CD_IF_PAYMENT>-WAGETYPE = 1.
<PAY_NL_PENS_STR_CD_IF_PAYMENT>-AMOUNT = 1.
<PAY_NL_PENS_STR_CD_IF_PAYMENT>-CURRENCY = 1.
<PAY_NL_PENS_STR_CD_IF_PAYMENT>-PAYPARTNER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAY_NL_PENS_STR_CD_IF_PAYMENT-PAYBANKID, sy-vline,
  WA_PAY_NL_PENS_STR_CD_IF_PAYMENT-SRTZA, sy-vline,
  WA_PAY_NL_PENS_STR_CD_IF_PAYMENT-INPER, sy-vline,
  WA_PAY_NL_PENS_STR_CD_IF_PAYMENT-FPPER, sy-vline,
  WA_PAY_NL_PENS_STR_CD_IF_PAYMENT-DTADT, sy-vline,
  WA_PAY_NL_PENS_STR_CD_IF_PAYMENT-OPBEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAY_NL_PENS_STR_CD_IF_PAYMENT 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_PAY_NL_PENS_STR_CD_IF_PAYMENT 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_PAY_NL_PENS_STR_CD_IF_PAYMENT INTO WA_PAY_NL_PENS_STR_CD_IF_PAYMENT.


*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_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR, 
PERSNUM TYPE STRING,
WAGETYPE TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
PAYPARTNER TYPE STRING,
PAYBANKID TYPE STRING,
SRTZA TYPE STRING,
INPER TYPE STRING,
FPPER TYPE STRING,
DTADT TYPE STRING,
OPBEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_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_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-PERSNUM sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-WAGETYPE sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-AMOUNT sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-CURRENCY sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-PAYPARTNER sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-PAYBANKID sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-SRTZA sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-INPER sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-FPPER sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-DTADT sy-vline 
WA_PAY_NL_PENS_STR_CD_IF_PAYMENT_STR-OPBEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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