ABAP Select data from SAP table TDS_CFS_CREDIT_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TDS_CFS_CREDIT_INFO
*  INTO TABLE @DATA(IT_TDS_CFS_CREDIT_INFO2).
*--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_TDS_CFS_CREDIT_INFO INDEX 1 INTO DATA(WA_TDS_CFS_CREDIT_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TDS_CFS_CREDIT_INFO>-KUNNR = 1.
<TDS_CFS_CREDIT_INFO>-KKBER = 1.
<TDS_CFS_CREDIT_INFO>-KNKLI = 1.
<TDS_CFS_CREDIT_INFO>-KLIMG = 1.
<TDS_CFS_CREDIT_INFO>-KLIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TDS_CFS_CREDIT_INFO-DLAUS, sy-vline,
  WA_TDS_CFS_CREDIT_INFO-WAERS, sy-vline,
  WA_TDS_CFS_CREDIT_INFO-KLIMK, sy-vline,
  WA_TDS_CFS_CREDIT_INFO-SUM_OPENS, sy-vline,
  WA_TDS_CFS_CREDIT_INFO-DELTA_TO_LIMIT, sy-vline,
  WA_TDS_CFS_CREDIT_INFO-PERCENTAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TDS_CFS_CREDIT_INFO 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_TDS_CFS_CREDIT_INFO 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_TDS_CFS_CREDIT_INFO INTO WA_TDS_CFS_CREDIT_INFO.


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

*Conversion exit ALPHA, internal->external for field KNKLI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TDS_CFS_CREDIT_INFO-KNKLI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_CFS_CREDIT_INFO-KNKLI.
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_TDS_CFS_CREDIT_INFO_STR, 
KUNNR TYPE STRING,
KKBER TYPE STRING,
KNKLI TYPE STRING,
KLIMG TYPE STRING,
KLIME TYPE STRING,
DLAUS TYPE STRING,
WAERS TYPE STRING,
KLIMK TYPE STRING,
SUM_OPENS TYPE STRING,
DELTA_TO_LIMIT TYPE STRING,
PERCENTAGE TYPE STRING,
SKFOR TYPE STRING,
SSOBL TYPE STRING,
OPEN_DELIVERY TYPE STRING,
OPEN_ORDERS TYPE STRING,
OPEN_INVOICE TYPE STRING,
DSOIN TYPE STRING,
CTLPC TYPE STRING,
SBGRP TYPE STRING,
GRUPP TYPE STRING,
KDGRP TYPE STRING,
KRAUS TYPE STRING,
DBPAY TYPE STRING,
DBRTG TYPE STRING,
CASHD TYPE STRING,
CASHA TYPE STRING,
CASHC TYPE STRING,
SALES_AREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TDS_CFS_CREDIT_INFO_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_TDS_CFS_CREDIT_INFO_STR-KUNNR sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-KKBER sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-KNKLI sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-KLIMG sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-KLIME sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-DLAUS sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-WAERS sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-KLIMK sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-SUM_OPENS sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-DELTA_TO_LIMIT sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-PERCENTAGE sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-SKFOR sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-SSOBL sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-OPEN_DELIVERY sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-OPEN_ORDERS sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-OPEN_INVOICE sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-DSOIN sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-CTLPC sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-SBGRP sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-GRUPP sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-KDGRP sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-KRAUS sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-DBPAY sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-DBRTG sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-CASHD sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-CASHA sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-CASHC sy-vline 
WA_TDS_CFS_CREDIT_INFO_STR-SALES_AREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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