ABAP Select data from SAP table EHHSSS_IRT_ROOT_BGHW_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHHSSS_IRT_ROOT_BGHW_EXT
*  INTO TABLE @DATA(IT_EHHSSS_IRT_ROOT_BGHW_EXT2).
*--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_EHHSSS_IRT_ROOT_BGHW_EXT INDEX 1 INTO DATA(WA_EHHSSS_IRT_ROOT_BGHW_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHHSSS_IRT_ROOT_BGHW_EXT>-KEY = 1.
<EHHSSS_IRT_ROOT_BGHW_EXT>-PARENT_KEY = 1.
<EHHSSS_IRT_ROOT_BGHW_EXT>-ROOT_KEY = 1.
<EHHSSS_IRT_ROOT_BGHW_EXT>-DATETIME_CR = 1.
<EHHSSS_IRT_ROOT_BGHW_EXT>-USER_ID_CR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHHSSS_IRT_ROOT_BGHW_EXT-DATETIME_CH, sy-vline,
  WA_EHHSSS_IRT_ROOT_BGHW_EXT-USER_ID_CH, sy-vline,
  WA_EHHSSS_IRT_ROOT_BGHW_EXT-BO_KEY_REF, sy-vline,
  WA_EHHSSS_IRT_ROOT_BGHW_EXT-ROOT_KEY_REF, sy-vline,
  WA_EHHSSS_IRT_ROOT_BGHW_EXT-NODE_KEY_REF, sy-vline,
  WA_EHHSSS_IRT_ROOT_BGHW_EXT-KEY_REF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHHSSS_IRT_ROOT_BGHW_EXT 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_EHHSSS_IRT_ROOT_BGHW_EXT 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_EHHSSS_IRT_ROOT_BGHW_EXT INTO WA_EHHSSS_IRT_ROOT_BGHW_EXT.


*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 TSTLC, internal->external for field DATETIME_CR
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_IRT_ROOT_BGHW_EXT-DATETIME_CR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_IRT_ROOT_BGHW_EXT-DATETIME_CR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field DATETIME_CH
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_IRT_ROOT_BGHW_EXT-DATETIME_CH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_IRT_ROOT_BGHW_EXT-DATETIME_CH.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_IRT_ROOT_BGHW_EXT-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_IRT_ROOT_BGHW_EXT-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LCRID, internal->external for field LOC_ROOT_KEY_REF
CALL FUNCTION 'CONVERSION_EXIT_LCRID_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_IRT_ROOT_BGHW_EXT-LOC_ROOT_KEY_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_IRT_ROOT_BGHW_EXT-LOC_ROOT_KEY_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DFVAL, internal->external for field FORWARD_TO_TRADE_INSPECTION
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_IRT_ROOT_BGHW_EXT-FORWARD_TO_TRADE_INSPECTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_IRT_ROOT_BGHW_EXT-FORWARD_TO_TRADE_INSPECTION.
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_EHHSSS_IRT_ROOT_BGHW_EXT_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
DATETIME_CR TYPE STRING,
USER_ID_CR TYPE STRING,
DATETIME_CH TYPE STRING,
USER_ID_CH TYPE STRING,
BO_KEY_REF TYPE STRING,
ROOT_KEY_REF TYPE STRING,
NODE_KEY_REF TYPE STRING,
KEY_REF TYPE STRING,
ID TYPE STRING,
GROUP_NAME TYPE STRING,
FORM_NAME TYPE STRING,
DOCUMENT_ID_AUTHORITY TYPE STRING,
STATUS TYPE STRING,
COUNTRY TYPE STRING,
LANGUAGE TYPE STRING,
REQUIRED_TS TYPE STRING,
ARCHIVING_STATUS TYPE STRING,
EEW_RPT_ROOT_D TYPE STRING,
FORM_NAME_DESC TYPE STRING,
STATUS_DESC TYPE STRING,
LANGUAGE_DESC TYPE STRING,
COUNTRY_DESC TYPE STRING,
FILE_NAME TYPE STRING,
FILE_SIZE TYPE STRING,
GENETATED_ON TYPE STRING,
BO_REF_DESC TYPE STRING,
REF_CATEG TYPE STRING,
REF_CATEG_DESC TYPE STRING,
REF_DESC TYPE STRING,
RPT_GENERATED_IND TYPE STRING,
RPT_SENT_IND TYPE STRING,
EEW_RPT_ROOT_DT TYPE STRING,
EMPLOYER_NAME TYPE STRING,
EMPLOYER_NUMBER TYPE STRING,
EMPLOYER_STREET_NUMB TYPE STRING,
EMPLOYER_POSTAL_CODE TYPE STRING,
EMPLOYER_CITY TYPE STRING,
PERSON_IS_EMPLOYER TYPE STRING,
PERSON_IS_MARRIED_TO_EMPL TYPE STRING,
INSURER_NAME_AND_ADDRESS TYPE STRING,
PERSON_ASSIGNED_IN_DEPARTMENT TYPE STRING,
LOC_ROOT_KEY_REF TYPE STRING,
PERSON_IS_FAMILY_WITH_EMPLOYER TYPE STRING,
PERSON_IS_MANAGER_OR_SHAREHOLD TYPE STRING,
PERSON_IS_LIMITED_PARTNER TYPE STRING,
PERSON_IS_INTO_REG_PARTNERSHIP TYPE STRING,
WORKER_COUNCIL TYPE STRING,
FORWARD_TO_TRADE_INSPECTION TYPE STRING,
NUMBER_OF_TRADE_INSPECTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHHSSS_IRT_ROOT_BGHW_EXT_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_EHHSSS_IRT_ROOT_BGHW_EXT_STR-KEY sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-PARENT_KEY sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-ROOT_KEY sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-DATETIME_CR sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-USER_ID_CR sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-DATETIME_CH sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-USER_ID_CH sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-BO_KEY_REF sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-ROOT_KEY_REF sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-NODE_KEY_REF sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-KEY_REF sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-ID sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-GROUP_NAME sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-FORM_NAME sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-DOCUMENT_ID_AUTHORITY sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-STATUS sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-COUNTRY sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-LANGUAGE sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-REQUIRED_TS sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-ARCHIVING_STATUS sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-EEW_RPT_ROOT_D sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-FORM_NAME_DESC sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-STATUS_DESC sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-LANGUAGE_DESC sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-COUNTRY_DESC sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-FILE_NAME sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-FILE_SIZE sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-GENETATED_ON sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-BO_REF_DESC sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-REF_CATEG sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-REF_CATEG_DESC sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-REF_DESC sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-RPT_GENERATED_IND sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-RPT_SENT_IND sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-EEW_RPT_ROOT_DT sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-EMPLOYER_NAME sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-EMPLOYER_NUMBER sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-EMPLOYER_STREET_NUMB sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-EMPLOYER_POSTAL_CODE sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-EMPLOYER_CITY sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-PERSON_IS_EMPLOYER sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-PERSON_IS_MARRIED_TO_EMPL sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-INSURER_NAME_AND_ADDRESS sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-PERSON_ASSIGNED_IN_DEPARTMENT sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-LOC_ROOT_KEY_REF sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-PERSON_IS_FAMILY_WITH_EMPLOYER sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-PERSON_IS_MANAGER_OR_SHAREHOLD sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-PERSON_IS_LIMITED_PARTNER sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-PERSON_IS_INTO_REG_PARTNERSHIP sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-WORKER_COUNCIL sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-FORWARD_TO_TRADE_INSPECTION sy-vline 
WA_EHHSSS_IRT_ROOT_BGHW_EXT_STR-NUMBER_OF_TRADE_INSPECTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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