ABAP Select data from SAP table EHDGMS_UI_REQ_CBR_IATA 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_IATA 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_IATA. 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_IATA 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_IATA TYPE STANDARD TABLE OF EHDGMS_UI_REQ_CBR_IATA,
      WA_EHDGMS_UI_REQ_CBR_IATA TYPE EHDGMS_UI_REQ_CBR_IATA,
      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_IATA> TYPE EHDGMS_UI_REQ_CBR_IATA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHDGMS_UI_REQ_CBR_IATA
*  INTO TABLE @DATA(IT_EHDGMS_UI_REQ_CBR_IATA2).
*--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_IATA INDEX 1 INTO DATA(WA_EHDGMS_UI_REQ_CBR_IATA2).


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

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

ENDLOOP.

LOOP AT IT_EHDGMS_UI_REQ_CBR_IATA INTO WA_EHDGMS_UI_REQ_CBR_IATA.
*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_IATA-DANGEROUSGOODSLISTITEMVARIANT, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IATA-PROPERSHIPPINGNAME, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IATA-DANGEROUSGOODSLISTITMADDLDESC, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IATA-DANGEROUSGOODSCLASS, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IATA-DANGEROUSGOODSSUBSIDIARYRISK1, sy-vline,
  WA_EHDGMS_UI_REQ_CBR_IATA-DANGEROUSGOODSSUBSIDIARYRISK2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHDGMS_UI_REQ_CBR_IATA 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_IATA 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_IATA INTO WA_EHDGMS_UI_REQ_CBR_IATA.


*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_IATA_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,
TRANSPORTISALLOWED TYPE STRING,
TECHNICALNAMEISREQUIRED TYPE STRING,
SPECIALPROVISIONLISTTXT TYPE STRING,
DANGEROUSGOODSHAZARDLBLLISTTXT TYPE STRING,
EMERGENCYRESPONSEGUIDEBOOKCODE TYPE STRING,
DANGEROUSGOODSHAZARDIDNNUMBER TYPE STRING,
HAZARDCHMLEMERGENCYACTNCODE TYPE STRING,
DANGEROUSGOODSEUADRCLASS TYPE STRING,
DANGEROUSGOODSCLASSIFICATION TYPE STRING,
TUNNELRESTRICTIONCODE TYPE STRING,
DANGEROUSGOODSTRANSPORTCAT TYPE STRING,
MAXTOTALQTYPERTRANSPTUNIT TYPE STRING,
DANGEROUSGOODSQUANTITYFACTOR TYPE STRING,
DANGEROUSGOODSQUANTITYTYPE TYPE STRING,
EUADNCARRIAGEPERMITTED TYPE STRING,
EUADNNUMBEROFBLUECONESLIGHTS TYPE STRING,
MARINEPOLLUTANTCODE TYPE STRING,
INITIALEMERGENCYRSPGUIDECODE TYPE STRING,
AU_ADGEMGYRSPGUIDEBOOKCODE TYPE STRING,
DNGRSGDSHANDLINGLABELLISTTXT TYPE STRING,
DNGRSGDSHAZARDMARKLISTTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHDGMS_UI_REQ_CBR_IATA_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_IATA_STR-CMPLRQVERSDNGRSGDSPRT1ITMUUID sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSIDNNUMBERCNCTNTD sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSIDNNUMBERTYPE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSIDNNUMBER sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSPACKINGGROUP sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSLISTITEMVARIANT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-PROPERSHIPPINGNAME sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSLISTITMADDLDESC sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSCLASS sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSSUBSIDIARYRISK1 sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSSUBSIDIARYRISK2 sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSSUBSIDIARYRISK3 sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSSUBSIDIARYRSKTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-TRANSPORTISALLOWED sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-TECHNICALNAMEISREQUIRED sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-SPECIALPROVISIONLISTTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSHAZARDLBLLISTTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-EMERGENCYRESPONSEGUIDEBOOKCODE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSHAZARDIDNNUMBER sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-HAZARDCHMLEMERGENCYACTNCODE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSEUADRCLASS sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSCLASSIFICATION sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-TUNNELRESTRICTIONCODE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSTRANSPORTCAT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-MAXTOTALQTYPERTRANSPTUNIT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSQUANTITYFACTOR sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DANGEROUSGOODSQUANTITYTYPE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-EUADNCARRIAGEPERMITTED sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-EUADNNUMBEROFBLUECONESLIGHTS sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-MARINEPOLLUTANTCODE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-INITIALEMERGENCYRSPGUIDECODE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-AU_ADGEMGYRSPGUIDEBOOKCODE sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DNGRSGDSHANDLINGLABELLISTTXT sy-vline 
WA_EHDGMS_UI_REQ_CBR_IATA_STR-DNGRSGDSHAZARDMARKLISTTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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