ABAP Select data from SAP table FINS_TRR_REVENUE_SCHEDULE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_TRR_REVENUE_SCHEDULE
*  INTO TABLE @DATA(IT_FINS_TRR_REVENUE_SCHEDULE2).
*--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_FINS_TRR_REVENUE_SCHEDULE INDEX 1 INTO DATA(WA_FINS_TRR_REVENUE_SCHEDULE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_TRR_REVENUE_SCHEDULE>-RULE_NO = 1.
<FINS_TRR_REVENUE_SCHEDULE>-GJAHR = 1.
<FINS_TRR_REVENUE_SCHEDULE>-PERIO = 1.
<FINS_TRR_REVENUE_SCHEDULE>-WSDAT = 1.
<FINS_TRR_REVENUE_SCHEDULE>-BUDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_TRR_REVENUE_SCHEDULE-WAERS, sy-vline,
  WA_FINS_TRR_REVENUE_SCHEDULE-NETWR, sy-vline,
  WA_FINS_TRR_REVENUE_SCHEDULE-WSL, sy-vline,
  WA_FINS_TRR_REVENUE_SCHEDULE-RWCUR, sy-vline,
  WA_FINS_TRR_REVENUE_SCHEDULE-HSL, sy-vline,
  WA_FINS_TRR_REVENUE_SCHEDULE-RHCUR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_TRR_REVENUE_SCHEDULE 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_FINS_TRR_REVENUE_SCHEDULE 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_FINS_TRR_REVENUE_SCHEDULE INTO WA_FINS_TRR_REVENUE_SCHEDULE.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FINS_TRR_REVENUE_SCHEDULE-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_TRR_REVENUE_SCHEDULE-GJAHR.
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_FINS_TRR_REVENUE_SCHEDULE_STR, 
RULE_NO TYPE STRING,
GJAHR TYPE STRING,
PERIO TYPE STRING,
WSDAT TYPE STRING,
BUDAT TYPE STRING,
WAERS TYPE STRING,
NETWR TYPE STRING,
WSL TYPE STRING,
RWCUR TYPE STRING,
HSL TYPE STRING,
RHCUR TYPE STRING,
KSL TYPE STRING,
RKCUR TYPE STRING,
TBRR_XSL TYPE STRING,
TBRR_RXCUR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_TRR_REVENUE_SCHEDULE_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_FINS_TRR_REVENUE_SCHEDULE_STR-RULE_NO sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-GJAHR sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-PERIO sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-WSDAT sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-BUDAT sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-WAERS sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-NETWR sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-WSL sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-RWCUR sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-HSL sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-RHCUR sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-KSL sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-RKCUR sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-TBRR_XSL sy-vline 
WA_FINS_TRR_REVENUE_SCHEDULE_STR-TBRR_RXCUR sy-vline      INTO ld_text SEPARATED BY SPACE.

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