ABAP Select data from SAP table EHFNDS_UI_REQ_ROOT_ENTRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_UI_REQ_ROOT_ENTRY
*  INTO TABLE @DATA(IT_EHFNDS_UI_REQ_ROOT_ENTRY2).
*--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_EHFNDS_UI_REQ_ROOT_ENTRY INDEX 1 INTO DATA(WA_EHFNDS_UI_REQ_ROOT_ENTRY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_UI_REQ_ROOT_ENTRY>-KEY = 1.
<EHFNDS_UI_REQ_ROOT_ENTRY>-STATUS = 1.
<EHFNDS_UI_REQ_ROOT_ENTRY>-TYPE = 1.
<EHFNDS_UI_REQ_ROOT_ENTRY>-RESPONSIBLE_PERSON = 1.
<EHFNDS_UI_REQ_ROOT_ENTRY>-IDENTIF_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDS_UI_REQ_ROOT_ENTRY-SPLIT_DATE, sy-vline,
  WA_EHFNDS_UI_REQ_ROOT_ENTRY-EHSM_COMPONENT, sy-vline,
  WA_EHFNDS_UI_REQ_ROOT_ENTRY-CRV_NAME, sy-vline,
  WA_EHFNDS_UI_REQ_ROOT_ENTRY-ISSUE_ORGNZTN_NAME, sy-vline,
  WA_EHFNDS_UI_REQ_ROOT_ENTRY-COUNTRY, sy-vline,
  WA_EHFNDS_UI_REQ_ROOT_ENTRY-REGION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_UI_REQ_ROOT_ENTRY 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_EHFNDS_UI_REQ_ROOT_ENTRY 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_EHFNDS_UI_REQ_ROOT_ENTRY INTO WA_EHFNDS_UI_REQ_ROOT_ENTRY.


*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 DFVAL, internal->external for field STATUS
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_UI_REQ_ROOT_ENTRY-STATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_UI_REQ_ROOT_ENTRY-STATUS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DFVAL, internal->external for field TYPE
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_UI_REQ_ROOT_ENTRY-TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_UI_REQ_ROOT_ENTRY-TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHCPR, internal->external for field CONTENT_PROVIDER_NAME
CALL FUNCTION 'CONVERSION_EXIT_EHCPR_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_UI_REQ_ROOT_ENTRY-CONTENT_PROVIDER_NAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_UI_REQ_ROOT_ENTRY-CONTENT_PROVIDER_NAME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REQCP, internal->external for field CR_PATTERN
CALL FUNCTION 'CONVERSION_EXIT_REQCP_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_UI_REQ_ROOT_ENTRY-CR_PATTERN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_UI_REQ_ROOT_ENTRY-CR_PATTERN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISSAU, internal->external for field ISS_AUTHORITY
CALL FUNCTION 'CONVERSION_EXIT_ISSAU_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_UI_REQ_ROOT_ENTRY-ISS_AUTHORITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_UI_REQ_ROOT_ENTRY-ISS_AUTHORITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DFVAL, internal->external for field UI_TYPE
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_UI_REQ_ROOT_ENTRY-UI_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_UI_REQ_ROOT_ENTRY-UI_TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RQDOM, internal->external for field DOMAIN
CALL FUNCTION 'CONVERSION_EXIT_RQDOM_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_UI_REQ_ROOT_ENTRY-DOMAIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_UI_REQ_ROOT_ENTRY-DOMAIN.
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_EHFNDS_UI_REQ_ROOT_ENTRY_STR, 
KEY TYPE STRING,
STATUS TYPE STRING,
TYPE TYPE STRING,
RESPONSIBLE_PERSON TYPE STRING,
IDENTIF_NUMBER TYPE STRING,
SPLIT_DATE TYPE STRING,
EHSM_COMPONENT TYPE STRING,
CRV_NAME TYPE STRING,
ISSUE_ORGNZTN_NAME TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
CR_ID TYPE STRING,
CONTENT_PROVIDER_NAME TYPE STRING,
CR_PATTERN TYPE STRING,
BCO_ID TYPE STRING,
INCLUDE_WORLDWIDE TYPE STRING,
ISS_AUTHORITY TYPE STRING,
VALID_TO TYPE STRING,
DESC_TEXT TYPE STRING,
VALID_FROM TYPE STRING,
UI_TYPE TYPE STRING,
DESC TYPE STRING,
DOMAIN TYPE STRING,
VALIDITY_PERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_UI_REQ_ROOT_ENTRY_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_EHFNDS_UI_REQ_ROOT_ENTRY_STR-KEY sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-STATUS sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-TYPE sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-RESPONSIBLE_PERSON sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-IDENTIF_NUMBER sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-SPLIT_DATE sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-EHSM_COMPONENT sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-CRV_NAME sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-ISSUE_ORGNZTN_NAME sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-COUNTRY sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-REGION sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-CR_ID sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-CONTENT_PROVIDER_NAME sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-CR_PATTERN sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-BCO_ID sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-INCLUDE_WORLDWIDE sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-ISS_AUTHORITY sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-VALID_TO sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-DESC_TEXT sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-VALID_FROM sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-UI_TYPE sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-DESC sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-DOMAIN sy-vline 
WA_EHFNDS_UI_REQ_ROOT_ENTRY_STR-VALIDITY_PERIOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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