ABAP Select data from SAP table ROIRHCHS0009 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIRHCHS0009 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 ROIRHCHS0009. 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 ROIRHCHS0009 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_ROIRHCHS0009 TYPE STANDARD TABLE OF ROIRHCHS0009,
      WA_ROIRHCHS0009 TYPE ROIRHCHS0009,
      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: <ROIRHCHS0009> TYPE ROIRHCHS0009.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIRHCHS0009.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIRHCHS0009
  INTO TABLE IT_ROIRHCHS0009.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIRHCHS0009
*  INTO TABLE @DATA(IT_ROIRHCHS00092).
*--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_ROIRHCHS0009 INDEX 1 INTO DATA(WA_ROIRHCHS00092).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIRHCHS0009 ASSIGNING <ROIRHCHS0009>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIRHCHS0009>-CLEARINGHOUSE = 1.
<ROIRHCHS0009>-CHNAME1 = 1.
<ROIRHCHS0009>-CHNAME2 = 1.
<ROIRHCHS0009>-CHNAME3 = 1.
<ROIRHCHS0009>-CHNAME4 = 1.

ENDLOOP.

LOOP AT IT_ROIRHCHS0009 INTO WA_ROIRHCHS0009.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIRHCHS0009-MID1_COMPANY, sy-vline,
  WA_ROIRHCHS0009-MID2_COMPANY, sy-vline,
  WA_ROIRHCHS0009-MID3_COMPANY, sy-vline,
  WA_ROIRHCHS0009-MID4_COMPANY, sy-vline,
  WA_ROIRHCHS0009-MIDTXT_COMPANY, sy-vline,
  WA_ROIRHCHS0009-SETTLEMENT_NR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIRHCHS0009 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_ROIRHCHS0009 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_ROIRHCHS0009 INTO WA_ROIRHCHS0009.


*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 TRANSMISSION_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIRHCHS0009-TRANSMISSION_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIRHCHS0009-TRANSMISSION_NR.
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_ROIRHCHS0009_STR, 
CLEARINGHOUSE TYPE STRING,
CHNAME1 TYPE STRING,
CHNAME2 TYPE STRING,
CHNAME3 TYPE STRING,
CHNAME4 TYPE STRING,
MID1_COMPANY TYPE STRING,
MID2_COMPANY TYPE STRING,
MID3_COMPANY TYPE STRING,
MID4_COMPANY TYPE STRING,
MIDTXT_COMPANY TYPE STRING,
SETTLEMENT_NR TYPE STRING,
TRANSMISSION_NR TYPE STRING,
NUMBER_REC_LOCATION TYPE STRING,
NUMBER_REC_CURRENCY TYPE STRING,
NUMBER_REC_TRANSACTIONS TYPE STRING,
NUMBER_REC_TRANSACTIONITEMS TYPE STRING,
NUMBER_DEBITS TYPE STRING,
NUMBER_CREDITS TYPE STRING,
TOTAL_DEBITS TYPE STRING,
TOTAL_CREDITS TYPE STRING,
TOTAL TYPE STRING,
SETTLEMENT_CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,
SETTLEMENT_DATE TYPE STRING,
SETTLEMENT_TIME TYPE STRING,
TOTAL_DEBITS_TR TYPE STRING,
TOTAL_CREDITS_TR TYPE STRING,
TOTAL_TR TYPE STRING,
CURRENCY_TR TYPE STRING,
CURRENCY_ISO_TR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIRHCHS0009_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_ROIRHCHS0009_STR-CLEARINGHOUSE sy-vline 
WA_ROIRHCHS0009_STR-CHNAME1 sy-vline 
WA_ROIRHCHS0009_STR-CHNAME2 sy-vline 
WA_ROIRHCHS0009_STR-CHNAME3 sy-vline 
WA_ROIRHCHS0009_STR-CHNAME4 sy-vline 
WA_ROIRHCHS0009_STR-MID1_COMPANY sy-vline 
WA_ROIRHCHS0009_STR-MID2_COMPANY sy-vline 
WA_ROIRHCHS0009_STR-MID3_COMPANY sy-vline 
WA_ROIRHCHS0009_STR-MID4_COMPANY sy-vline 
WA_ROIRHCHS0009_STR-MIDTXT_COMPANY sy-vline 
WA_ROIRHCHS0009_STR-SETTLEMENT_NR sy-vline 
WA_ROIRHCHS0009_STR-TRANSMISSION_NR sy-vline 
WA_ROIRHCHS0009_STR-NUMBER_REC_LOCATION sy-vline 
WA_ROIRHCHS0009_STR-NUMBER_REC_CURRENCY sy-vline 
WA_ROIRHCHS0009_STR-NUMBER_REC_TRANSACTIONS sy-vline 
WA_ROIRHCHS0009_STR-NUMBER_REC_TRANSACTIONITEMS sy-vline 
WA_ROIRHCHS0009_STR-NUMBER_DEBITS sy-vline 
WA_ROIRHCHS0009_STR-NUMBER_CREDITS sy-vline 
WA_ROIRHCHS0009_STR-TOTAL_DEBITS sy-vline 
WA_ROIRHCHS0009_STR-TOTAL_CREDITS sy-vline 
WA_ROIRHCHS0009_STR-TOTAL sy-vline 
WA_ROIRHCHS0009_STR-SETTLEMENT_CURRENCY sy-vline 
WA_ROIRHCHS0009_STR-CURRENCY_ISO sy-vline 
WA_ROIRHCHS0009_STR-SETTLEMENT_DATE sy-vline 
WA_ROIRHCHS0009_STR-SETTLEMENT_TIME sy-vline 
WA_ROIRHCHS0009_STR-TOTAL_DEBITS_TR sy-vline 
WA_ROIRHCHS0009_STR-TOTAL_CREDITS_TR sy-vline 
WA_ROIRHCHS0009_STR-TOTAL_TR sy-vline 
WA_ROIRHCHS0009_STR-CURRENCY_TR sy-vline 
WA_ROIRHCHS0009_STR-CURRENCY_ISO_TR sy-vline      INTO ld_text SEPARATED BY SPACE.

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