ABAP Select data from SAP table IRACONTRENHCD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IRACONTRENHCD
*  INTO TABLE @DATA(IT_IRACONTRENHCD2).
*--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_IRACONTRENHCD INDEX 1 INTO DATA(WA_IRACONTRENHCD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IRACONTRENHCD>-MANDT = 1.
<IRACONTRENHCD>-REVENUEACCOUNTINGCONTRACT = 1.
<IRACONTRENHCD>-COMPANYCODE = 1.
<IRACONTRENHCD>-TOTCONTRACTUALPRCINSLSDOCCRCY = 1.
<IRACONTRENHCD>-TOTALPOSTEDREVNINSLSDOCCRCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IRACONTRENHCD-TOTRECGDCATCHUPAMTINSLSDOCCRCY, sy-vline,
  WA_IRACONTRENHCD-UPTOCURPERIODRECOGNIZEDREVENUE, sy-vline,
  WA_IRACONTRENHCD-RATOTALOPENREVNINSLSDOCCRCY, sy-vline,
  WA_IRACONTRENHCD-RATOTALCOSTINSLSDOCCRCY, sy-vline,
  WA_IRACONTRENHCD-RAPOSTEDCOSTINSLSDOCCRCY, sy-vline,
  WA_IRACONTRENHCD-RATOTALRECGDCOSTINSLSDOCCRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IRACONTRENHCD 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_IRACONTRENHCD 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_IRACONTRENHCD INTO WA_IRACONTRENHCD.


*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 REVENUEACCOUNTINGCONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTRENHCD-REVENUEACCOUNTINGCONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTRENHCD-REVENUEACCOUNTINGCONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RATIOUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTRENHCD-RATIOUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTRENHCD-RATIOUNIT.
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_IRACONTRENHCD_STR, 
MANDT TYPE STRING,
REVENUEACCOUNTINGCONTRACT TYPE STRING,
COMPANYCODE TYPE STRING,
TOTCONTRACTUALPRCINSLSDOCCRCY TYPE STRING,
TOTALPOSTEDREVNINSLSDOCCRCY TYPE STRING,
TOTRECGDCATCHUPAMTINSLSDOCCRCY TYPE STRING,
UPTOCURPERIODRECOGNIZEDREVENUE TYPE STRING,
RATOTALOPENREVNINSLSDOCCRCY TYPE STRING,
RATOTALCOSTINSLSDOCCRCY TYPE STRING,
RAPOSTEDCOSTINSLSDOCCRCY TYPE STRING,
RATOTALRECGDCOSTINSLSDOCCRCY TYPE STRING,
RAOPENCOSTINSLSDOCCRCY TYPE STRING,
RECOGNIZEDREVNUPTOCURPERDPCT TYPE STRING,
SALESDOCUMENTCURRENCY TYPE STRING,
COSTCURRENCY TYPE STRING,
RATIOUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IRACONTRENHCD_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_IRACONTRENHCD_STR-MANDT sy-vline 
WA_IRACONTRENHCD_STR-REVENUEACCOUNTINGCONTRACT sy-vline 
WA_IRACONTRENHCD_STR-COMPANYCODE sy-vline 
WA_IRACONTRENHCD_STR-TOTCONTRACTUALPRCINSLSDOCCRCY sy-vline 
WA_IRACONTRENHCD_STR-TOTALPOSTEDREVNINSLSDOCCRCY sy-vline 
WA_IRACONTRENHCD_STR-TOTRECGDCATCHUPAMTINSLSDOCCRCY sy-vline 
WA_IRACONTRENHCD_STR-UPTOCURPERIODRECOGNIZEDREVENUE sy-vline 
WA_IRACONTRENHCD_STR-RATOTALOPENREVNINSLSDOCCRCY sy-vline 
WA_IRACONTRENHCD_STR-RATOTALCOSTINSLSDOCCRCY sy-vline 
WA_IRACONTRENHCD_STR-RAPOSTEDCOSTINSLSDOCCRCY sy-vline 
WA_IRACONTRENHCD_STR-RATOTALRECGDCOSTINSLSDOCCRCY sy-vline 
WA_IRACONTRENHCD_STR-RAOPENCOSTINSLSDOCCRCY sy-vline 
WA_IRACONTRENHCD_STR-RECOGNIZEDREVNUPTOCURPERDPCT sy-vline 
WA_IRACONTRENHCD_STR-SALESDOCUMENTCURRENCY sy-vline 
WA_IRACONTRENHCD_STR-COSTCURRENCY sy-vline 
WA_IRACONTRENHCD_STR-RATIOUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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