ABAP Select data from SAP table EHDGMS_UI_REQ_CBR_IMDG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHDGMS_UI_REQ_CBR_IMDG
*  INTO TABLE @DATA(IT_EHDGMS_UI_REQ_CBR_IMDG2).
*--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_EHDGMS_UI_REQ_CBR_IMDG INDEX 1 INTO DATA(WA_EHDGMS_UI_REQ_CBR_IMDG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHDGMS_UI_REQ_CBR_IMDG>-CMPLRQVERSDNGRSGDSPRT1ITMUUID = 1.
<EHDGMS_UI_REQ_CBR_IMDG>-DANGEROUSGOODSIDNNUMBERCNCTNTD = 1.
<EHDGMS_UI_REQ_CBR_IMDG>-DANGEROUSGOODSIDNNUMBERTYPE = 1.
<EHDGMS_UI_REQ_CBR_IMDG>-DANGEROUSGOODSIDNNUMBER = 1.
<EHDGMS_UI_REQ_CBR_IMDG>-DANGEROUSGOODSPACKINGGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHDGMS_UI_REQ_CBR_IMDG-DANGEROUSGOODSLISTITEMVARIANT, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IMDG-PROPERSHIPPINGNAME, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IMDG-DANGEROUSGOODSLISTITMADDLDESC, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IMDG-DANGEROUSGOODSCLASS, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IMDG-DANGEROUSGOODSSUBSIDIARYRISK1, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IMDG-DANGEROUSGOODSSUBSIDIARYRISK2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHDGMS_UI_REQ_CBR_IMDG 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_EHDGMS_UI_REQ_CBR_IMDG 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_EHDGMS_UI_REQ_CBR_IMDG INTO WA_EHDGMS_UI_REQ_CBR_IMDG.


*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_EHDGMS_UI_REQ_CBR_IMDG_STR, 
CMPLRQVERSDNGRSGDSPRT1ITMUUID TYPE STRING,
DANGEROUSGOODSIDNNUMBERCNCTNTD TYPE STRING,
DANGEROUSGOODSIDNNUMBERTYPE TYPE STRING,
DANGEROUSGOODSIDNNUMBER TYPE STRING,
DANGEROUSGOODSPACKINGGROUP TYPE STRING,
DANGEROUSGOODSLISTITEMVARIANT TYPE STRING,
PROPERSHIPPINGNAME TYPE STRING,
DANGEROUSGOODSLISTITMADDLDESC TYPE STRING,
DANGEROUSGOODSCLASS TYPE STRING,
DANGEROUSGOODSSUBSIDIARYRISK1 TYPE STRING,
DANGEROUSGOODSSUBSIDIARYRISK2 TYPE STRING,
DANGEROUSGOODSSUBSIDIARYRISK3 TYPE STRING,
DANGEROUSGOODSSUBSIDIARYRSKTXT TYPE STRING,
DANGEROUSGOODSHAZARDLBLLISTTXT TYPE STRING,
SPECIALPROVISIONLISTTXT TYPE STRING,
SPECIALPROVISIONHNDLGLISTTXT TYPE STRING,
TRANSPORTISALLOWED TYPE STRING,
TRANSPORTPERMISSION TYPE STRING,
TECHNICALNAMEISREQUIRED TYPE STRING,
MARINEPOLLUTANTCODE TYPE STRING,
IMDGEMSCHEDFIRE TYPE STRING,
IMDGEMSCHEDFIREISUNDERLINED TYPE STRING,
IMDGEMSCHEDSPILL TYPE STRING,
IMDGEMSCHEDSPILLISUNDERLINED TYPE STRING,
DANGEROUSGOODSSTOWAGECATEGORY TYPE STRING,
DANGEROUSGOODSSTOWAGELISTTXT TYPE STRING,
SEGREGATIONGROUPLISTTXT TYPE STRING,
SEGREGATIONLISTTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHDGMS_UI_REQ_CBR_IMDG_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_EHDGMS_UI_REQ_CBR_IMDG_STR-CMPLRQVERSDNGRSGDSPRT1ITMUUID sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSIDNNUMBERCNCTNTD sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSIDNNUMBERTYPE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSIDNNUMBER sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSPACKINGGROUP sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSLISTITEMVARIANT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-PROPERSHIPPINGNAME sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSLISTITMADDLDESC sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSCLASS sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSSUBSIDIARYRISK1 sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSSUBSIDIARYRISK2 sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSSUBSIDIARYRISK3 sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSSUBSIDIARYRSKTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSHAZARDLBLLISTTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-SPECIALPROVISIONLISTTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-SPECIALPROVISIONHNDLGLISTTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-TRANSPORTISALLOWED sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-TRANSPORTPERMISSION sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-TECHNICALNAMEISREQUIRED sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-MARINEPOLLUTANTCODE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-IMDGEMSCHEDFIRE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-IMDGEMSCHEDFIREISUNDERLINED sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-IMDGEMSCHEDSPILL sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-IMDGEMSCHEDSPILLISUNDERLINED sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSSTOWAGECATEGORY sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-DANGEROUSGOODSSTOWAGELISTTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-SEGREGATIONGROUPLISTTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IMDG_STR-SEGREGATIONLISTTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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