ABAP Select data from SAP table EHDGMS_EDI_DG_INFORMATION into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHDGMS_EDI_DG_INFORMATION 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_EDI_DG_INFORMATION. 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_EDI_DG_INFORMATION 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_EDI_DG_INFORMATION TYPE STANDARD TABLE OF EHDGMS_EDI_DG_INFORMATION,
      WA_EHDGMS_EDI_DG_INFORMATION TYPE EHDGMS_EDI_DG_INFORMATION,
      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_EDI_DG_INFORMATION> TYPE EHDGMS_EDI_DG_INFORMATION.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHDGMS_EDI_DG_INFORMATION
*  INTO TABLE @DATA(IT_EHDGMS_EDI_DG_INFORMATION2).
*--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_EDI_DG_INFORMATION INDEX 1 INTO DATA(WA_EHDGMS_EDI_DG_INFORMATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHDGMS_EDI_DG_INFORMATION>-CONTROLLER = 1.
<EHDGMS_EDI_DG_INFORMATION>-BASIC_INFORMATION = 1.
<EHDGMS_EDI_DG_INFORMATION>-CONTROLLER = 1.
<EHDGMS_EDI_DG_INFORMATION>-ORDER_QUANTITY = 1.
<EHDGMS_EDI_DG_INFORMATION>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHDGMS_EDI_DG_INFORMATION-CONTENT, sy-vline,
  WA_EHDGMS_EDI_DG_INFORMATION-UNIT_CODE, sy-vline,
  WA_EHDGMS_EDI_DG_INFORMATION-DANGEROUS_GOODS_ENCLOSURE_QTY, sy-vline,
  WA_EHDGMS_EDI_DG_INFORMATION-CONTROLLER, sy-vline,
  WA_EHDGMS_EDI_DG_INFORMATION-CONTENT, sy-vline,
  WA_EHDGMS_EDI_DG_INFORMATION-UNIT_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHDGMS_EDI_DG_INFORMATION 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_EDI_DG_INFORMATION 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_EDI_DG_INFORMATION INTO WA_EHDGMS_EDI_DG_INFORMATION.


*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 EHSOM, internal->external for field STATE_OF_MATTER
CALL FUNCTION 'CONVERSION_EXIT_EHSOM_OUTPUT'
  EXPORTING
    input =                      WA_EHDGMS_EDI_DG_INFORMATION-STATE_OF_MATTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHDGMS_EDI_DG_INFORMATION-STATE_OF_MATTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHSOM, internal->external for field DVTG_STATE_OF_MATTER_FOR_TRANS
CALL FUNCTION 'CONVERSION_EXIT_EHSOM_OUTPUT'
  EXPORTING
    input =                      WA_EHDGMS_EDI_DG_INFORMATION-DVTG_STATE_OF_MATTER_FOR_TRANS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHDGMS_EDI_DG_INFORMATION-DVTG_STATE_OF_MATTER_FOR_TRANS.
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_EHDGMS_EDI_DG_INFORMATION_STR, 
CONTROLLER TYPE STRING,
BASIC_INFORMATION TYPE STRING,
CONTROLLER TYPE STRING,
ORDER_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
DANGEROUS_GOODS_ENCLOSURE_QTY TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
REGULATION TYPE STRING,
EXTENDED_INFORMATION TYPE STRING,
CONTROLLER TYPE STRING,
DNGRS_GDS_ENCLR_NMBR_OF_INNER TYPE STRING,
DNGRS_GDS_ENCLR_INNER_PACKAGE TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
OPEN_CUP_FLASH_POINT_TEMPERATU TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
CLOSED_CUP_FLASH_POINT_TEMPERA TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
CHML_DENSITY_AT_20_DEG_CELSIUS TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
CHML_DENSITY_AT_15_DEG_CELSIUS TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
CHML_DENSITY_AT_50_DEG_CELSIUS TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
CHEMICAL_BULK_DENSITY_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
STATE_OF_MATTER TYPE STRING,
DVTG_STATE_OF_MATTER_FOR_TRANS TYPE STRING,
CONTROL_TEMPERATURE TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
EMERGENCY_TEMPERATURE TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
CHML_TEMP_SENSTVY_LOWR_LMT_TEM TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
CHML_TEMP_SENSTVY_UPR_LMT_TEMP TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
FILLING_TEMPERATURE TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
KINEMATIC_VISCOSITY_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
CONTENT TYPE STRING,
UNIT_CODE TYPE STRING,
DANGEROUS_GOODS_HAZARD_NOTE TYPE STRING,
ENTERPRISE_SEGREGATION_GROUP TYPE STRING,
REGULATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHDGMS_EDI_DG_INFORMATION_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_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-BASIC_INFORMATION sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-ORDER_QUANTITY sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-DANGEROUS_GOODS_ENCLOSURE_QTY sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-REGULATION sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-EXTENDED_INFORMATION sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-DNGRS_GDS_ENCLR_NMBR_OF_INNER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-DNGRS_GDS_ENCLR_INNER_PACKAGE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-OPEN_CUP_FLASH_POINT_TEMPERATU sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CLOSED_CUP_FLASH_POINT_TEMPERA sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CHML_DENSITY_AT_20_DEG_CELSIUS sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CHML_DENSITY_AT_15_DEG_CELSIUS sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CHML_DENSITY_AT_50_DEG_CELSIUS sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CHEMICAL_BULK_DENSITY_QUANTITY sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-STATE_OF_MATTER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-DVTG_STATE_OF_MATTER_FOR_TRANS sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROL_TEMPERATURE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-EMERGENCY_TEMPERATURE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CHML_TEMP_SENSTVY_LOWR_LMT_TEM sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CHML_TEMP_SENSTVY_UPR_LMT_TEMP sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-FILLING_TEMPERATURE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-KINEMATIC_VISCOSITY_QUANTITY sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTROLLER sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-CONTENT sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-UNIT_CODE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-DANGEROUS_GOODS_HAZARD_NOTE sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-ENTERPRISE_SEGREGATION_GROUP sy-vline 
WA_EHDGMS_EDI_DG_INFORMATION_STR-REGULATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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