ABAP Select data from SAP table IEHSRASROOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IEHSRASROOT
*  INTO TABLE @DATA(IT_IEHSRASROOT2).
*--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_IEHSRASROOT INDEX 1 INTO DATA(WA_IEHSRASROOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IEHSRASROOT>-MANDT = 1.
<IEHSRASROOT>-EHSRISKASSESSMENTUUID = 1.
<IEHSRASROOT>-CREATIONDATETIME = 1.
<IEHSRASROOT>-CREATEDBYUSER = 1.
<IEHSRASROOT>-LASTCHANGEDATETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IEHSRASROOT-LASTCHANGEDBYUSER, sy-vline,
  WA_IEHSRASROOT-EHSRISKASSESSMENTID, sy-vline,
  WA_IEHSRASROOT-EHSRISKASSESSMENTTYPE, sy-vline,
  WA_IEHSRASROOT-EHSRISKASSESSMENTTITLE, sy-vline,
  WA_IEHSRASROOT-EHSJOBUUID, sy-vline,
  WA_IEHSRASROOT-EHSLOCATIONUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IEHSRASROOT 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_IEHSRASROOT 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_IEHSRASROOT INTO WA_IEHSRASROOT.


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

*Conversion exit LCAUT, internal->external for field EHSLOCATIONAUTHORIZATIONGROUP
CALL FUNCTION 'CONVERSION_EXIT_LCAUT_OUTPUT'
  EXPORTING
    input =                      WA_IEHSRASROOT-EHSLOCATIONAUTHORIZATIONGROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEHSRASROOT-EHSLOCATIONAUTHORIZATIONGROUP.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit DFVAL, internal->external for field EHSRISKASSESSMENTSTATUS
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_IEHSRASROOT-EHSRISKASSESSMENTSTATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEHSRASROOT-EHSRISKASSESSMENTSTATUS.
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_IEHSRASROOT_STR, 
MANDT TYPE STRING,
EHSRISKASSESSMENTUUID TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
EHSRISKASSESSMENTID TYPE STRING,
EHSRISKASSESSMENTTYPE TYPE STRING,
EHSRISKASSESSMENTTITLE TYPE STRING,
EHSJOBUUID TYPE STRING,
EHSLOCATIONUUID TYPE STRING,
OPERATIONALSTATUS TYPE STRING,
EHSLOCATIONAUTHORIZATIONGROUP TYPE STRING,
BUSINESSAREA TYPE STRING,
PLANT TYPE STRING,
COSTCENTER TYPE STRING,
COMPANYCODE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
EHSLOCATIONUUIDHEX TYPE STRING,
ISSIMULATEDEHSRISKASSESSMENT TYPE STRING,
EHSRISKASSESSMENTSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IEHSRASROOT_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_IEHSRASROOT_STR-MANDT sy-vline 
WA_IEHSRASROOT_STR-EHSRISKASSESSMENTUUID sy-vline 
WA_IEHSRASROOT_STR-CREATIONDATETIME sy-vline 
WA_IEHSRASROOT_STR-CREATEDBYUSER sy-vline 
WA_IEHSRASROOT_STR-LASTCHANGEDATETIME sy-vline 
WA_IEHSRASROOT_STR-LASTCHANGEDBYUSER sy-vline 
WA_IEHSRASROOT_STR-EHSRISKASSESSMENTID sy-vline 
WA_IEHSRASROOT_STR-EHSRISKASSESSMENTTYPE sy-vline 
WA_IEHSRASROOT_STR-EHSRISKASSESSMENTTITLE sy-vline 
WA_IEHSRASROOT_STR-EHSJOBUUID sy-vline 
WA_IEHSRASROOT_STR-EHSLOCATIONUUID sy-vline 
WA_IEHSRASROOT_STR-OPERATIONALSTATUS sy-vline 
WA_IEHSRASROOT_STR-EHSLOCATIONAUTHORIZATIONGROUP sy-vline 
WA_IEHSRASROOT_STR-BUSINESSAREA sy-vline 
WA_IEHSRASROOT_STR-PLANT sy-vline 
WA_IEHSRASROOT_STR-COSTCENTER sy-vline 
WA_IEHSRASROOT_STR-COMPANYCODE sy-vline 
WA_IEHSRASROOT_STR-CONTROLLINGAREA sy-vline 
WA_IEHSRASROOT_STR-EHSLOCATIONUUIDHEX sy-vline 
WA_IEHSRASROOT_STR-ISSIMULATEDEHSRISKASSESSMENT sy-vline 
WA_IEHSRASROOT_STR-EHSRISKASSESSMENTSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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