ABAP Select data from SAP table /SHCM/PAYMENT_INFORMATION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SHCM/PAYMENT_INFORMATION
*  INTO TABLE @DATA(IT_/SHCM/PAYMENT_INFORMATION2).
*--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_/SHCM/PAYMENT_INFORMATION INDEX 1 INTO DATA(WA_/SHCM/PAYMENT_INFORMATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SHCM/PAYMENT_INFORMATION>-CONTROLLER = 1.
</SHCM/PAYMENT_INFORMATION>-VALIDITY_PERIOD = 1.
</SHCM/PAYMENT_INFORMATION>-CONTROLLER = 1.
</SHCM/PAYMENT_INFORMATION>-START_DATE = 1.
</SHCM/PAYMENT_INFORMATION>-END_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SHCM/PAYMENT_INFORMATION-PAYMENT_INFORMATION_DETAILS, sy-vline,
  WA_/SHCM/PAYMENT_INFORMATION-CONTROLLER, sy-vline,
  WA_/SHCM/PAYMENT_INFORMATION-PAYMENT_TYPE, sy-vline,
  WA_/SHCM/PAYMENT_INFORMATION-PAYMENT_METHOD, sy-vline,
  WA_/SHCM/PAYMENT_INFORMATION-BANK_ACCOUNT_INFORMATION, sy-vline,
  WA_/SHCM/PAYMENT_INFORMATION-CONTROLLER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SHCM/PAYMENT_INFORMATION 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_/SHCM/PAYMENT_INFORMATION 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_/SHCM/PAYMENT_INFORMATION INTO WA_/SHCM/PAYMENT_INFORMATION.


*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_/SHCM/PAYMENT_INFORMATION_STR, 
CONTROLLER TYPE STRING,
VALIDITY_PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
PAYMENT_INFORMATION_DETAILS TYPE STRING,
CONTROLLER TYPE STRING,
PAYMENT_TYPE TYPE STRING,
PAYMENT_METHOD TYPE STRING,
BANK_ACCOUNT_INFORMATION TYPE STRING,
CONTROLLER TYPE STRING,
BANK_COUNTRY TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
CODE_LIST_NAME TYPE STRING,
ACCOUNT_HOLDER_NAME TYPE STRING,
INTERNATIONAL_BANK_ACCOUNT_NUM TYPE STRING,
BANK_IDENTIFIER_CODE TYPE STRING,
BANK_ACCOUNT_NUMBER TYPE STRING,
BANK_ACCOUNT_ROUTING_NUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SHCM/PAYMENT_INFORMATION_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_/SHCM/PAYMENT_INFORMATION_STR-CONTROLLER sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-VALIDITY_PERIOD sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-CONTROLLER sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-START_DATE sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-END_DATE sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-PAYMENT_INFORMATION_DETAILS sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-CONTROLLER sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-PAYMENT_TYPE sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-PAYMENT_METHOD sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-BANK_ACCOUNT_INFORMATION sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-CONTROLLER sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-BANK_COUNTRY sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-CONTROLLER sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-CONTENT sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-CODE_LIST_NAME sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-ACCOUNT_HOLDER_NAME sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-INTERNATIONAL_BANK_ACCOUNT_NUM sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-BANK_IDENTIFIER_CODE sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-BANK_ACCOUNT_NUMBER sy-vline 
WA_/SHCM/PAYMENT_INFORMATION_STR-BANK_ACCOUNT_ROUTING_NUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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