ABAP Select data from SAP table TREAS_POSITION_DISPLAY_ADAPT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TREAS_POSITION_DISPLAY_ADAPT
*  INTO TABLE @DATA(IT_TREAS_POSITION_DISPLAY_ADAPT2).
*--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_TREAS_POSITION_DISPLAY_ADAPT INDEX 1 INTO DATA(WA_TREAS_POSITION_DISPLAY_ADAPT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TREAS_POSITION_DISPLAY_ADAPT>-COMPANY_CODE = 1.
<TREAS_POSITION_DISPLAY_ADAPT>-EXTERNAL_ACCOUNT = 1.
<TREAS_POSITION_DISPLAY_ADAPT>-DEAL_NUMBER = 1.
<TREAS_POSITION_DISPLAY_ADAPT>-COM_VAL_CLASS = 1.
<TREAS_POSITION_DISPLAY_ADAPT>-PORTFOLIO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TREAS_POSITION_DISPLAY_ADAPT-POSITION_OID, sy-vline,
  WA_TREAS_POSITION_DISPLAY_ADAPT-POSITION_CURR, sy-vline,
  WA_TREAS_POSITION_DISPLAY_ADAPT-LOCAL_CURR, sy-vline,
  WA_TREAS_POSITION_DISPLAY_ADAPT-INI_MARGIN_PC, sy-vline,
  WA_TREAS_POSITION_DISPLAY_ADAPT-INI_MARGIN_LC, sy-vline,
  WA_TREAS_POSITION_DISPLAY_ADAPT-VAR_MARGIN_PC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TREAS_POSITION_DISPLAY_ADAPT 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_TREAS_POSITION_DISPLAY_ADAPT 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_TREAS_POSITION_DISPLAY_ADAPT INTO WA_TREAS_POSITION_DISPLAY_ADAPT.


*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 DEAL_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TREAS_POSITION_DISPLAY_ADAPT-DEAL_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TREAS_POSITION_DISPLAY_ADAPT-DEAL_NUMBER.
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_TREAS_POSITION_DISPLAY_ADAPT_STR, 
COMPANY_CODE TYPE STRING,
EXTERNAL_ACCOUNT TYPE STRING,
DEAL_NUMBER TYPE STRING,
COM_VAL_CLASS TYPE STRING,
PORTFOLIO TYPE STRING,
POSITION_OID TYPE STRING,
POSITION_CURR TYPE STRING,
LOCAL_CURR TYPE STRING,
INI_MARGIN_PC TYPE STRING,
INI_MARGIN_LC TYPE STRING,
VAR_MARGIN_PC TYPE STRING,
VAR_MARGIN_LC TYPE STRING,
FEE_PC TYPE STRING,
FEE_LC TYPE STRING,
INI_OPEN_PC TYPE STRING,
INI_OPEN_PC_ADAPT TYPE STRING,
INI_OPEN_LC TYPE STRING,
INI_OPEN_LC_ADAPT TYPE STRING,
VAR_OPEN_PC TYPE STRING,
VAR_OPEN_PC_ADAPT TYPE STRING,
VAR_OPEN_LC TYPE STRING,
VAR_OPEN_LC_ADAPT TYPE STRING,
FEE_OPEN_PC TYPE STRING,
FEE_OPEN_PC_ADAPT TYPE STRING,
FEE_OPEN_LC TYPE STRING,
FEE_OPEN_LC_ADAPT TYPE STRING,
PAY_CLR_PC TYPE STRING,
PAY_CLR_LC TYPE STRING,
TOTAL_OPEN_PC TYPE STRING,
TOTAL_OPEN_LC TYPE STRING,
MARGIN_OPEN_PC TYPE STRING,
MARGIN_OPEN_LC TYPE STRING,
POSITION_DATE TYPE STRING,
FLG_USE_MLM TYPE STRING,
INI_OPEN_REASON TYPE STRING,
INI_OPEN_REASON_TXT TYPE STRING,
VAR_OPEN_REASON TYPE STRING,
VAR_OPEN_REASON_TXT TYPE STRING,
FEE_OPEN_REASON TYPE STRING,
FEE_OPEN_REASON_TXT TYPE STRING,
COMPANY_CODE_T TYPE STRING,
EXTERNAL_ACCOUNT_T TYPE STRING,
COM_VAL_CLASS_T TYPE STRING,
INI_MARGIN_CURR_POS TYPE STRING,
INI_MARGIN_CURR_LOC TYPE STRING,
VAR_MARGIN_CURR_POS TYPE STRING,
VAR_MARGIN_CURR_LOC TYPE STRING,
FEE_CURR_POS TYPE STRING,
FEE_CURR_LOC TYPE STRING,
INI_OPEN_CURR_POS TYPE STRING,
INI_OPEN_CURR_LOC TYPE STRING,
VAR_OPEN_CURR_POS TYPE STRING,
VAR_OPEN_CURR_LOC TYPE STRING,
FEE_OPEN_CURR_POS TYPE STRING,
FEE_OPEN_CURR_LOC TYPE STRING,
PAY_CLR_CURR_POS TYPE STRING,
PAY_CLR_CURR_LOC TYPE STRING,
TOT_OPEN_CURR_POS TYPE STRING,
TOT_OPEN_CURR_LOC TYPE STRING,
MAR_OPEN_CURR_POS TYPE STRING,
MAR_OPEN_CURR_LOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TREAS_POSITION_DISPLAY_ADAPT_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_TREAS_POSITION_DISPLAY_ADAPT_STR-COMPANY_CODE sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-EXTERNAL_ACCOUNT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-DEAL_NUMBER sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-COM_VAL_CLASS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-PORTFOLIO sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-POSITION_OID sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-POSITION_CURR sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-LOCAL_CURR sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_MARGIN_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_MARGIN_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_MARGIN_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_MARGIN_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_OPEN_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_OPEN_PC_ADAPT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_OPEN_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_OPEN_LC_ADAPT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_OPEN_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_OPEN_PC_ADAPT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_OPEN_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_OPEN_LC_ADAPT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_OPEN_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_OPEN_PC_ADAPT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_OPEN_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_OPEN_LC_ADAPT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-PAY_CLR_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-PAY_CLR_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-TOTAL_OPEN_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-TOTAL_OPEN_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-MARGIN_OPEN_PC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-MARGIN_OPEN_LC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-POSITION_DATE sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FLG_USE_MLM sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_OPEN_REASON sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_OPEN_REASON_TXT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_OPEN_REASON sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_OPEN_REASON_TXT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_OPEN_REASON sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_OPEN_REASON_TXT sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-COMPANY_CODE_T sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-EXTERNAL_ACCOUNT_T sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-COM_VAL_CLASS_T sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_MARGIN_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_MARGIN_CURR_LOC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_MARGIN_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_MARGIN_CURR_LOC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_CURR_LOC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_OPEN_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-INI_OPEN_CURR_LOC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_OPEN_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-VAR_OPEN_CURR_LOC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_OPEN_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-FEE_OPEN_CURR_LOC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-PAY_CLR_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-PAY_CLR_CURR_LOC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-TOT_OPEN_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-TOT_OPEN_CURR_LOC sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-MAR_OPEN_CURR_POS sy-vline 
WA_TREAS_POSITION_DISPLAY_ADAPT_STR-MAR_OPEN_CURR_LOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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