ABAP Select data from SAP table /ACCGO/STL_S_STL_PAYMENT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/STL_S_STL_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 /ACCGO/STL_S_STL_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 /ACCGO/STL_S_STL_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_/ACCGO/STL_S_STL_PAYMENT TYPE STANDARD TABLE OF /ACCGO/STL_S_STL_PAYMENT,
      WA_/ACCGO/STL_S_STL_PAYMENT TYPE /ACCGO/STL_S_STL_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: </ACCGO/STL_S_STL_PAYMENT> TYPE /ACCGO/STL_S_STL_PAYMENT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/STL_S_STL_PAYMENT
  INTO TABLE IT_/ACCGO/STL_S_STL_PAYMENT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/STL_S_STL_PAYMENT
*  INTO TABLE @DATA(IT_/ACCGO/STL_S_STL_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_/ACCGO/STL_S_STL_PAYMENT INDEX 1 INTO DATA(WA_/ACCGO/STL_S_STL_PAYMENT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/STL_S_STL_PAYMENT ASSIGNING </ACCGO/STL_S_STL_PAYMENT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/STL_S_STL_PAYMENT>-SETTL_DOC = 1.
</ACCGO/STL_S_STL_PAYMENT>-SETTL_YR = 1.
</ACCGO/STL_S_STL_PAYMENT>-APPLDOC = 1.
</ACCGO/STL_S_STL_PAYMENT>-APPLDOC_ITEM = 1.
</ACCGO/STL_S_STL_PAYMENT>-INVOICE_DOC = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/STL_S_STL_PAYMENT INTO WA_/ACCGO/STL_S_STL_PAYMENT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/STL_S_STL_PAYMENT-INVOICE_DOC_YR, sy-vline,
  WA_/ACCGO/STL_S_STL_PAYMENT-BUKRS, sy-vline,
  WA_/ACCGO/STL_S_STL_PAYMENT-LIFNR, sy-vline,
  WA_/ACCGO/STL_S_STL_PAYMENT-BELNR, sy-vline,
  WA_/ACCGO/STL_S_STL_PAYMENT-GJAHR, sy-vline,
  WA_/ACCGO/STL_S_STL_PAYMENT-AUGBL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/STL_S_STL_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_/ACCGO/STL_S_STL_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_/ACCGO/STL_S_STL_PAYMENT INTO WA_/ACCGO/STL_S_STL_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.

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

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

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

*Conversion exit GJAHR, internal->external for field INVOICE_DOC_YR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/STL_S_STL_PAYMENT-INVOICE_DOC_YR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/STL_S_STL_PAYMENT-INVOICE_DOC_YR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/STL_S_STL_PAYMENT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/STL_S_STL_PAYMENT-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/STL_S_STL_PAYMENT-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/STL_S_STL_PAYMENT-AUGBL.
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_/ACCGO/STL_S_STL_PAYMENT_STR, 
SETTL_DOC TYPE STRING,
SETTL_YR TYPE STRING,
APPLDOC TYPE STRING,
APPLDOC_ITEM TYPE STRING,
INVOICE_DOC TYPE STRING,
INVOICE_DOC_YR TYPE STRING,
BUKRS TYPE STRING,
LIFNR TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
AUGBL TYPE STRING,
AUGDT TYPE STRING,
RWCUR TYPE STRING,
RHCUR TYPE STRING,
BSCHL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/STL_S_STL_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_/ACCGO/STL_S_STL_PAYMENT_STR-SETTL_DOC sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-SETTL_YR sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-APPLDOC sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-APPLDOC_ITEM sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-INVOICE_DOC sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-INVOICE_DOC_YR sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-BUKRS sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-LIFNR sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-BELNR sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-GJAHR sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-AUGBL sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-AUGDT sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-RWCUR sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-RHCUR sy-vline 
WA_/ACCGO/STL_S_STL_PAYMENT_STR-BSCHL sy-vline      INTO ld_text SEPARATED BY SPACE.

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