ABAP Select data from SAP table IRELCHKMONR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IRELCHKMONR
*  INTO TABLE @DATA(IT_IRELCHKMONR2).
*--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_IRELCHKMONR INDEX 1 INTO DATA(WA_IRELCHKMONR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IRELCHKMONR>-MANDT = 1.
<IRELCHKMONR>-ARUNRELEASECHECKRUNUUID = 1.
<IRELCHKMONR>-ARUNRELEASECHECKVARIANTUUID = 1.
<IRELCHKMONR>-ARUNRELEASECHECKVARIANTDESC = 1.
<IRELCHKMONR>-SUPASSGMTEXECUTIONMODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IRELCHKMONR-ARUNRELEASECHECKVARIANTNAME, sy-vline,
  WA_IRELCHKMONR-ARUNRELEASECHECKRUNNAME, sy-vline,
  WA_IRELCHKMONR-SUPASSIGNRUNISSIMULATION, sy-vline,
  WA_IRELCHKMONR-ARUNRELEASECHECKGROUPNAME, sy-vline,
  WA_IRELCHKMONR-STARTEDBYUSER, sy-vline,
  WA_IRELCHKMONR-ARUNRELCHKSTARTUTCDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IRELCHKMONR 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_IRELCHKMONR 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_IRELCHKMONR INTO WA_IRELCHKMONR.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IRELCHKMONR_STR, 
MANDT TYPE STRING,
ARUNRELEASECHECKRUNUUID TYPE STRING,
ARUNRELEASECHECKVARIANTUUID TYPE STRING,
ARUNRELEASECHECKVARIANTDESC TYPE STRING,
SUPASSGMTEXECUTIONMODE TYPE STRING,
ARUNRELEASECHECKVARIANTNAME TYPE STRING,
ARUNRELEASECHECKRUNNAME TYPE STRING,
SUPASSIGNRUNISSIMULATION TYPE STRING,
ARUNRELEASECHECKGROUPNAME TYPE STRING,
STARTEDBYUSER TYPE STRING,
ARUNRELCHKSTARTUTCDATETIME TYPE STRING,
UXFCALLOCATIONRUNSTATUS TYPE STRING,
UXFCSERVICEORDERSTATUS TYPE STRING,
ORDERQUANTITY TYPE STRING,
CONFIRMEDRQMTQTYINBASEUNIT TYPE STRING,
DELIVEREDQUANTITYINBASEUNIT TYPE STRING,
ASSIGNEDQUANTITYINBASEUNIT TYPE STRING,
FIXEDQUANTITYINBASEUNIT TYPE STRING,
UXFCORDERQUANTITY TYPE STRING,
UXFCCONFIRMEDRQMTQTYINBASEUNIT TYPE STRING,
ONHOLDQUANTITYINBASEUNIT TYPE STRING,
SUPASSGMTRESERVEDQTYINBASEUNIT TYPE STRING,
TOTACTUALAMTINDISPLAYCURRENCY TYPE STRING,
LOGHANDLE TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,
CRITICALITY TYPE STRING,
UXFCAPPLICATIONLOGHANDLE TYPE STRING,
STATUSCRITICALITY TYPE STRING,
CRITICALITYTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IRELCHKMONR_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_IRELCHKMONR_STR-MANDT sy-vline 
WA_IRELCHKMONR_STR-ARUNRELEASECHECKRUNUUID sy-vline 
WA_IRELCHKMONR_STR-ARUNRELEASECHECKVARIANTUUID sy-vline 
WA_IRELCHKMONR_STR-ARUNRELEASECHECKVARIANTDESC sy-vline 
WA_IRELCHKMONR_STR-SUPASSGMTEXECUTIONMODE sy-vline 
WA_IRELCHKMONR_STR-ARUNRELEASECHECKVARIANTNAME sy-vline 
WA_IRELCHKMONR_STR-ARUNRELEASECHECKRUNNAME sy-vline 
WA_IRELCHKMONR_STR-SUPASSIGNRUNISSIMULATION sy-vline 
WA_IRELCHKMONR_STR-ARUNRELEASECHECKGROUPNAME sy-vline 
WA_IRELCHKMONR_STR-STARTEDBYUSER sy-vline 
WA_IRELCHKMONR_STR-ARUNRELCHKSTARTUTCDATETIME sy-vline 
WA_IRELCHKMONR_STR-UXFCALLOCATIONRUNSTATUS sy-vline 
WA_IRELCHKMONR_STR-UXFCSERVICEORDERSTATUS sy-vline 
WA_IRELCHKMONR_STR-ORDERQUANTITY sy-vline 
WA_IRELCHKMONR_STR-CONFIRMEDRQMTQTYINBASEUNIT sy-vline 
WA_IRELCHKMONR_STR-DELIVEREDQUANTITYINBASEUNIT sy-vline 
WA_IRELCHKMONR_STR-ASSIGNEDQUANTITYINBASEUNIT sy-vline 
WA_IRELCHKMONR_STR-FIXEDQUANTITYINBASEUNIT sy-vline 
WA_IRELCHKMONR_STR-UXFCORDERQUANTITY sy-vline 
WA_IRELCHKMONR_STR-UXFCCONFIRMEDRQMTQTYINBASEUNIT sy-vline 
WA_IRELCHKMONR_STR-ONHOLDQUANTITYINBASEUNIT sy-vline 
WA_IRELCHKMONR_STR-SUPASSGMTRESERVEDQTYINBASEUNIT sy-vline 
WA_IRELCHKMONR_STR-TOTACTUALAMTINDISPLAYCURRENCY sy-vline 
WA_IRELCHKMONR_STR-LOGHANDLE sy-vline 
WA_IRELCHKMONR_STR-APPLICATIONLOGHANDLE sy-vline 
WA_IRELCHKMONR_STR-CRITICALITY sy-vline 
WA_IRELCHKMONR_STR-UXFCAPPLICATIONLOGHANDLE sy-vline 
WA_IRELCHKMONR_STR-STATUSCRITICALITY sy-vline 
WA_IRELCHKMONR_STR-CRITICALITYTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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