ABAP Select data from SAP table TREAS_FLOW_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TREAS_FLOW_ALV 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_FLOW_ALV. 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_FLOW_ALV 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_FLOW_ALV TYPE STANDARD TABLE OF TREAS_FLOW_ALV,
      WA_TREAS_FLOW_ALV TYPE TREAS_FLOW_ALV,
      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_FLOW_ALV> TYPE TREAS_FLOW_ALV.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TREAS_FLOW_ALV
*  INTO TABLE @DATA(IT_TREAS_FLOW_ALV2).
*--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_FLOW_ALV INDEX 1 INTO DATA(WA_TREAS_FLOW_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TREAS_FLOW_ALV>-BUSTRANSID = 1.
<TREAS_FLOW_ALV>-FLOW_NUMBER = 1.
<TREAS_FLOW_ALV>-POSITION_OID = 1.
<TREAS_FLOW_ALV>-POSITION_CLS = 1.
<TREAS_FLOW_ALV>-CONTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TREAS_FLOW_ALV-BUSTRANS_STATE, sy-vline,
  WA_TREAS_FLOW_ALV-POSITION_DATE, sy-vline,
  WA_TREAS_FLOW_ALV-BUSTRANSCAT, sy-vline,
  WA_TREAS_FLOW_ALV-DIS_FLOWTYPE, sy-vline,
  WA_TREAS_FLOW_ALV-FLOWCAT, sy-vline,
  WA_TREAS_FLOW_ALV-AMOUNT_CAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TREAS_FLOW_ALV 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_FLOW_ALV 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_FLOW_ALV INTO WA_TREAS_FLOW_ALV.


*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 POSCT, internal->external for field ACTIVE_PASSIVE
CALL FUNCTION 'CONVERSION_EXIT_POSCT_OUTPUT'
  EXPORTING
    input =                      WA_TREAS_FLOW_ALV-ACTIVE_PASSIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TREAS_FLOW_ALV-ACTIVE_PASSIVE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field DEAL_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TREAS_FLOW_ALV-DEAL_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TREAS_FLOW_ALV-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_FLOW_ALV_STR, 
BUSTRANSID TYPE STRING,
FLOW_NUMBER TYPE STRING,
POSITION_OID TYPE STRING,
POSITION_CLS TYPE STRING,
CONTEXT TYPE STRING,
BUSTRANS_STATE TYPE STRING,
POSITION_DATE TYPE STRING,
BUSTRANSCAT TYPE STRING,
DIS_FLOWTYPE TYPE STRING,
FLOWCAT TYPE STRING,
AMOUNT_CAT TYPE STRING,
SOURCETARGET_FLG TYPE STRING,
QUANT_CAT TYPE STRING,
ACTIVE_PASSIVE TYPE STRING,
COM_VAL_CLASS TYPE STRING,
ALLOC_NMBR TYPE STRING,
CREATE_DATE TYPE STRING,
CREATE_TIME TYPE STRING,
UNITS TYPE STRING,
NOMINAL_CURR TYPE STRING,
NOMINAL_AMT TYPE STRING,
POSITION_CURR TYPE STRING,
POSITION_AMT TYPE STRING,
LOCAL_CURR TYPE STRING,
LOCAL_AMT TYPE STRING,
TRANSL_DATE TYPE STRING,
SKHWFIX TYPE STRING,
PAYMENT_CURR TYPE STRING,
PAYMENT_AMT TYPE STRING,
SIGN TYPE STRING,
DUE_DATE TYPE STRING,
RKONDGR TYPE STRING,
COUNTERPARTY TYPE STRING,
CALC_BEGIN TYPE STRING,
CALC_END TYPE STRING,
CALC_DATE_INCL TYPE STRING,
PAYMENT_STATE TYPE STRING,
PAYMENT_DATE TYPE STRING,
PAYMENT_OID TYPE STRING,
FLG_PMT_DETAILS TYPE STRING,
FLG_NETTED TYPE STRING,
USER_DATA_OID TYPE STRING,
USER_DATA_CLS TYPE STRING,
COMPANY_CODE TYPE STRING,
DEAL_NUMBER TYPE STRING,
EXTERNAL_ACCOUNT TYPE STRING,
PORTFOLIO TYPE STRING,
PORTFOLIO_T TYPE STRING,
COMPANY_CODE_TXT TYPE STRING,
EXT_ACC_TEXT TYPE STRING,
DIS_FLOWTYPETEXT TYPE STRING,
TRD_STATETEXT TYPE STRING,
T_COLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TREAS_FLOW_ALV_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_FLOW_ALV_STR-BUSTRANSID sy-vline 
WA_TREAS_FLOW_ALV_STR-FLOW_NUMBER sy-vline 
WA_TREAS_FLOW_ALV_STR-POSITION_OID sy-vline 
WA_TREAS_FLOW_ALV_STR-POSITION_CLS sy-vline 
WA_TREAS_FLOW_ALV_STR-CONTEXT sy-vline 
WA_TREAS_FLOW_ALV_STR-BUSTRANS_STATE sy-vline 
WA_TREAS_FLOW_ALV_STR-POSITION_DATE sy-vline 
WA_TREAS_FLOW_ALV_STR-BUSTRANSCAT sy-vline 
WA_TREAS_FLOW_ALV_STR-DIS_FLOWTYPE sy-vline 
WA_TREAS_FLOW_ALV_STR-FLOWCAT sy-vline 
WA_TREAS_FLOW_ALV_STR-AMOUNT_CAT sy-vline 
WA_TREAS_FLOW_ALV_STR-SOURCETARGET_FLG sy-vline 
WA_TREAS_FLOW_ALV_STR-QUANT_CAT sy-vline 
WA_TREAS_FLOW_ALV_STR-ACTIVE_PASSIVE sy-vline 
WA_TREAS_FLOW_ALV_STR-COM_VAL_CLASS sy-vline 
WA_TREAS_FLOW_ALV_STR-ALLOC_NMBR sy-vline 
WA_TREAS_FLOW_ALV_STR-CREATE_DATE sy-vline 
WA_TREAS_FLOW_ALV_STR-CREATE_TIME sy-vline 
WA_TREAS_FLOW_ALV_STR-UNITS sy-vline 
WA_TREAS_FLOW_ALV_STR-NOMINAL_CURR sy-vline 
WA_TREAS_FLOW_ALV_STR-NOMINAL_AMT sy-vline 
WA_TREAS_FLOW_ALV_STR-POSITION_CURR sy-vline 
WA_TREAS_FLOW_ALV_STR-POSITION_AMT sy-vline 
WA_TREAS_FLOW_ALV_STR-LOCAL_CURR sy-vline 
WA_TREAS_FLOW_ALV_STR-LOCAL_AMT sy-vline 
WA_TREAS_FLOW_ALV_STR-TRANSL_DATE sy-vline 
WA_TREAS_FLOW_ALV_STR-SKHWFIX sy-vline 
WA_TREAS_FLOW_ALV_STR-PAYMENT_CURR sy-vline 
WA_TREAS_FLOW_ALV_STR-PAYMENT_AMT sy-vline 
WA_TREAS_FLOW_ALV_STR-SIGN sy-vline 
WA_TREAS_FLOW_ALV_STR-DUE_DATE sy-vline 
WA_TREAS_FLOW_ALV_STR-RKONDGR sy-vline 
WA_TREAS_FLOW_ALV_STR-COUNTERPARTY sy-vline 
WA_TREAS_FLOW_ALV_STR-CALC_BEGIN sy-vline 
WA_TREAS_FLOW_ALV_STR-CALC_END sy-vline 
WA_TREAS_FLOW_ALV_STR-CALC_DATE_INCL sy-vline 
WA_TREAS_FLOW_ALV_STR-PAYMENT_STATE sy-vline 
WA_TREAS_FLOW_ALV_STR-PAYMENT_DATE sy-vline 
WA_TREAS_FLOW_ALV_STR-PAYMENT_OID sy-vline 
WA_TREAS_FLOW_ALV_STR-FLG_PMT_DETAILS sy-vline 
WA_TREAS_FLOW_ALV_STR-FLG_NETTED sy-vline 
WA_TREAS_FLOW_ALV_STR-USER_DATA_OID sy-vline 
WA_TREAS_FLOW_ALV_STR-USER_DATA_CLS sy-vline 
WA_TREAS_FLOW_ALV_STR-COMPANY_CODE sy-vline 
WA_TREAS_FLOW_ALV_STR-DEAL_NUMBER sy-vline 
WA_TREAS_FLOW_ALV_STR-EXTERNAL_ACCOUNT sy-vline 
WA_TREAS_FLOW_ALV_STR-PORTFOLIO sy-vline 
WA_TREAS_FLOW_ALV_STR-PORTFOLIO_T sy-vline 
WA_TREAS_FLOW_ALV_STR-COMPANY_CODE_TXT sy-vline 
WA_TREAS_FLOW_ALV_STR-EXT_ACC_TEXT sy-vline 
WA_TREAS_FLOW_ALV_STR-DIS_FLOWTYPETEXT sy-vline 
WA_TREAS_FLOW_ALV_STR-TRD_STATETEXT sy-vline 
WA_TREAS_FLOW_ALV_STR-T_COLOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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