ABAP Select data from SAP table IRTGCMPALCSRHMOD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IRTGCMPALCSRHMOD
*  INTO TABLE @DATA(IT_IRTGCMPALCSRHMOD2).
*--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_IRTGCMPALCSRHMOD INDEX 1 INTO DATA(WA_IRTGCMPALCSRHMOD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IRTGCMPALCSRHMOD>-MANDT = 1.
<IRTGCMPALCSRHMOD>-BILLOFOPERATIONSTYPE = 1.
<IRTGCMPALCSRHMOD>-BILLOFOPERATIONSGROUP = 1.
<IRTGCMPALCSRHMOD>-BILLOFOPERATIONSVARIANT = 1.
<IRTGCMPALCSRHMOD>-BILLOFOPERATIONSSEQUENCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IRTGCMPALCSRHMOD-BOOOPERATIONINTERNALID, sy-vline,
  WA_IRTGCMPALCSRHMOD-BOOOPBOMITEMINTERNALID, sy-vline,
  WA_IRTGCMPALCSRHMOD-BOOOPBOMITEMINTVERSCOUNTER, sy-vline,
  WA_IRTGCMPALCSRHMOD-BILLOFOPERATIONSVERSION, sy-vline,
  WA_IRTGCMPALCSRHMOD-VALIDITYSTARTDATE, sy-vline,
  WA_IRTGCMPALCSRHMOD-VALIDITYENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IRTGCMPALCSRHMOD 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_IRTGCMPALCSRHMOD 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_IRTGCMPALCSRHMOD INTO WA_IRTGCMPALCSRHMOD.


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

*Conversion exit ALPHA, internal->external for field BILLOFOPERATIONSVARIANT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-BILLOFOPERATIONSVARIANT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-BILLOFOPERATIONSVARIANT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILLOFOPERATIONSSEQUENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-BILLOFOPERATIONSSEQUENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-BILLOFOPERATIONSSEQUENCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILLOFOPERATIONSVERSION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-BILLOFOPERATIONSVERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-BILLOFOPERATIONSVERSION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHANGENUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-CHANGENUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-CHANGENUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field BILLOFMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-BILLOFMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-BILLOFMATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILLOFMATERIALVARIANT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-BILLOFMATERIALVARIANT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-BILLOFMATERIALVARIANT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field BILLOFMATERIALROOT
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-BILLOFMATERIALROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-BILLOFMATERIALROOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILLOFMATERIALROOTVARIANT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-BILLOFMATERIALROOTVARIANT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-BILLOFMATERIALROOTVARIANT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BILLOFMATERIALITEMUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IRTGCMPALCSRHMOD-BILLOFMATERIALITEMUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRTGCMPALCSRHMOD-BILLOFMATERIALITEMUNIT.
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_IRTGCMPALCSRHMOD_STR, 
MANDT TYPE STRING,
BILLOFOPERATIONSTYPE TYPE STRING,
BILLOFOPERATIONSGROUP TYPE STRING,
BILLOFOPERATIONSVARIANT TYPE STRING,
BILLOFOPERATIONSSEQUENCE TYPE STRING,
BOOOPERATIONINTERNALID TYPE STRING,
BOOOPBOMITEMINTERNALID TYPE STRING,
BOOOPBOMITEMINTVERSCOUNTER TYPE STRING,
BILLOFOPERATIONSVERSION TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
ISDELETED TYPE STRING,
ISIMPLICITLYDELETED TYPE STRING,
CHANGENUMBER TYPE STRING,
GOODSRECIPIENTNAME TYPE STRING,
UNLOADINGPOINTNAME TYPE STRING,
BILLOFMATERIALCATEGORY TYPE STRING,
BILLOFMATERIAL TYPE STRING,
BILLOFMATERIALVARIANT TYPE STRING,
BILLOFMATERIALITEMNODENUMBER TYPE STRING,
BILLOFMATERIALROOTCATEGORY TYPE STRING,
BILLOFMATERIALROOT TYPE STRING,
BILLOFMATERIALROOTVARIANT TYPE STRING,
BILLOFMATERIALEDGENUMBER TYPE STRING,
MATLCOMPISMARKEDFORBACKFLUSH TYPE STRING,
RESVNISMRPRLVTORPURREQNISCRTED TYPE STRING,
BILLOFMATERIALITEMQUANTITY TYPE STRING,
BILLOFMATERIALITEMUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IRTGCMPALCSRHMOD_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_IRTGCMPALCSRHMOD_STR-MANDT sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFOPERATIONSTYPE sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFOPERATIONSGROUP sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFOPERATIONSVARIANT sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFOPERATIONSSEQUENCE sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BOOOPERATIONINTERNALID sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BOOOPBOMITEMINTERNALID sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BOOOPBOMITEMINTVERSCOUNTER sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFOPERATIONSVERSION sy-vline 
WA_IRTGCMPALCSRHMOD_STR-VALIDITYSTARTDATE sy-vline 
WA_IRTGCMPALCSRHMOD_STR-VALIDITYENDDATE sy-vline 
WA_IRTGCMPALCSRHMOD_STR-CREATIONDATE sy-vline 
WA_IRTGCMPALCSRHMOD_STR-CREATEDBYUSER sy-vline 
WA_IRTGCMPALCSRHMOD_STR-LASTCHANGEDATE sy-vline 
WA_IRTGCMPALCSRHMOD_STR-LASTCHANGEDBYUSER sy-vline 
WA_IRTGCMPALCSRHMOD_STR-ISDELETED sy-vline 
WA_IRTGCMPALCSRHMOD_STR-ISIMPLICITLYDELETED sy-vline 
WA_IRTGCMPALCSRHMOD_STR-CHANGENUMBER sy-vline 
WA_IRTGCMPALCSRHMOD_STR-GOODSRECIPIENTNAME sy-vline 
WA_IRTGCMPALCSRHMOD_STR-UNLOADINGPOINTNAME sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALCATEGORY sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIAL sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALVARIANT sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALITEMNODENUMBER sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALROOTCATEGORY sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALROOT sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALROOTVARIANT sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALEDGENUMBER sy-vline 
WA_IRTGCMPALCSRHMOD_STR-MATLCOMPISMARKEDFORBACKFLUSH sy-vline 
WA_IRTGCMPALCSRHMOD_STR-RESVNISMRPRLVTORPURREQNISCRTED sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALITEMQUANTITY sy-vline 
WA_IRTGCMPALCSRHMOD_STR-BILLOFMATERIALITEMUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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