ABAP Select data from SAP table TRLS_DERIVFLOWS_I into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TRLS_DERIVFLOWS_I
*  INTO TABLE @DATA(IT_TRLS_DERIVFLOWS_I2).
*--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_TRLS_DERIVFLOWS_I INDEX 1 INTO DATA(WA_TRLS_DERIVFLOWS_I2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TRLS_DERIVFLOWS_I>-DIST_FLOW_NUMBER = 1.
<TRLS_DERIVFLOWS_I>-POS_MAN_PROC = 1.
<TRLS_DERIVFLOWS_I>-DERIV_METHOD = 1.
<TRLS_DERIVFLOWS_I>-UNITS = 1.
<TRLS_DERIVFLOWS_I>-NOMINAL_CURR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TRLS_DERIVFLOWS_I-NOMINAL_AMT, sy-vline,
  WA_TRLS_DERIVFLOWS_I-NOMINAL_ORG_AMT, sy-vline,
  WA_TRLS_DERIVFLOWS_I-POSITION_CURR, sy-vline,
  WA_TRLS_DERIVFLOWS_I-POSITION_AMT, sy-vline,
  WA_TRLS_DERIVFLOWS_I-POSAMT_IDX_CLEAN, sy-vline,
  WA_TRLS_DERIVFLOWS_I-VALUATION_CURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TRLS_DERIVFLOWS_I 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_TRLS_DERIVFLOWS_I 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_TRLS_DERIVFLOWS_I INTO WA_TRLS_DERIVFLOWS_I.


*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 CUNIT, internal->external for field UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TRLS_DERIVFLOWS_I-UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRLS_DERIVFLOWS_I-UNIT_OF_MEASURE.
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_TRLS_DERIVFLOWS_I_STR, 
DIST_FLOW_NUMBER TYPE STRING,
POS_MAN_PROC TYPE STRING,
DERIV_METHOD TYPE STRING,
UNITS TYPE STRING,
NOMINAL_CURR TYPE STRING,
NOMINAL_AMT TYPE STRING,
NOMINAL_ORG_AMT TYPE STRING,
POSITION_CURR TYPE STRING,
POSITION_AMT TYPE STRING,
POSAMT_IDX_CLEAN TYPE STRING,
VALUATION_CURR TYPE STRING,
VALUATION_AMT TYPE STRING,
AMT_PM_CAT TYPE STRING,
QUANT_CAT TYPE STRING,
DIST_FLOWTYPE TYPE STRING,
SOURCETARGET_FLG TYPE STRING,
TRANSFER_GROUP TYPE STRING,
EFF_INT_RATE_U TYPE STRING,
SCHED_EFF_RATE TYPE STRING,
EFF_INT_RATE_N TYPE STRING,
SCHED_FIX TYPE STRING,
SUB_SOURCETARGET TYPE STRING,
SUB_TRANSFERGRP TYPE STRING,
EFFTEST_RESULT TYPE STRING,
DCSID TYPE STRING,
QUANTITY TYPE STRING,
UNIT_OF_MEASURE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TRLS_DERIVFLOWS_I_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_TRLS_DERIVFLOWS_I_STR-DIST_FLOW_NUMBER sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-POS_MAN_PROC sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-DERIV_METHOD sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-UNITS sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-NOMINAL_CURR sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-NOMINAL_AMT sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-NOMINAL_ORG_AMT sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-POSITION_CURR sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-POSITION_AMT sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-POSAMT_IDX_CLEAN sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-VALUATION_CURR sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-VALUATION_AMT sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-AMT_PM_CAT sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-QUANT_CAT sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-DIST_FLOWTYPE sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-SOURCETARGET_FLG sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-TRANSFER_GROUP sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-EFF_INT_RATE_U sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-SCHED_EFF_RATE sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-EFF_INT_RATE_N sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-SCHED_FIX sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-SUB_SOURCETARGET sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-SUB_TRANSFERGRP sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-EFFTEST_RESULT sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-DCSID sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-QUANTITY sy-vline 
WA_TRLS_DERIVFLOWS_I_STR-UNIT_OF_MEASURE sy-vline      INTO ld_text SEPARATED BY SPACE.

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