ABAP Select data from SAP table ICRRDGMOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICRRDGMOT
*  INTO TABLE @DATA(IT_ICRRDGMOT2).
*--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_ICRRDGMOT INDEX 1 INTO DATA(WA_ICRRDGMOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICRRDGMOT>-MANDT = 1.
<ICRRDGMOT>-CMPLRQRSLTDNGRSGDSMODEOFTRUUID = 1.
<ICRRDGMOT>-CMPLRQRSLTUUID = 1.
<ICRRDGMOT>-CREATIONDATETIME = 1.
<ICRRDGMOT>-CREATEDBYUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICRRDGMOT-LASTCHANGEDATETIME, sy-vline,
  WA_ICRRDGMOT-LASTCHANGEDBYUSER, sy-vline,
  WA_ICRRDGMOT-DNGRSGOODSMODEOFTRANSPORT, sy-vline,
  WA_ICRRDGMOT-TRANSPORTPERMISSION, sy-vline,
  WA_ICRRDGMOT-DNGRSGOODDESCFORDOCSTMPLTEXT, sy-vline,
  WA_ICRRDGMOT-DNGRSGOODDESCFORPACKGGTMPLTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICRRDGMOT 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_ICRRDGMOT 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_ICRRDGMOT INTO WA_ICRRDGMOT.


*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_ICRRDGMOT_STR, 
MANDT TYPE STRING,
CMPLRQRSLTDNGRSGDSMODEOFTRUUID TYPE STRING,
CMPLRQRSLTUUID TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
DNGRSGOODSMODEOFTRANSPORT TYPE STRING,
TRANSPORTPERMISSION TYPE STRING,
DNGRSGOODDESCFORDOCSTMPLTEXT TYPE STRING,
DNGRSGOODDESCFORPACKGGTMPLTEXT TYPE STRING,
DNGRSGOODHAZARDNOTESTMPLTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICRRDGMOT_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_ICRRDGMOT_STR-MANDT sy-vline 
WA_ICRRDGMOT_STR-CMPLRQRSLTDNGRSGDSMODEOFTRUUID sy-vline 
WA_ICRRDGMOT_STR-CMPLRQRSLTUUID sy-vline 
WA_ICRRDGMOT_STR-CREATIONDATETIME sy-vline 
WA_ICRRDGMOT_STR-CREATEDBYUSER sy-vline 
WA_ICRRDGMOT_STR-LASTCHANGEDATETIME sy-vline 
WA_ICRRDGMOT_STR-LASTCHANGEDBYUSER sy-vline 
WA_ICRRDGMOT_STR-DNGRSGOODSMODEOFTRANSPORT sy-vline 
WA_ICRRDGMOT_STR-TRANSPORTPERMISSION sy-vline 
WA_ICRRDGMOT_STR-DNGRSGOODDESCFORDOCSTMPLTEXT sy-vline 
WA_ICRRDGMOT_STR-DNGRSGOODDESCFORPACKGGTMPLTEXT sy-vline 
WA_ICRRDGMOT_STR-DNGRSGOODHAZARDNOTESTMPLTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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