ABAP Select data from SAP table EHFNDV_REQ_ROOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDV_REQ_ROOT
*  INTO TABLE @DATA(IT_EHFNDV_REQ_ROOT2).
*--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_EHFNDV_REQ_ROOT INDEX 1 INTO DATA(WA_EHFNDV_REQ_ROOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDV_REQ_ROOT>-SAPCLIENT = 1.
<EHFNDV_REQ_ROOT>-CMPLRQVERS = 1.
<EHFNDV_REQ_ROOT>-BCOKEY = 1.
<EHFNDV_REQ_ROOT>-CMPLRQVERSUUID = 1.
<EHFNDV_REQ_ROOT>-CREATIONDATETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDV_REQ_ROOT-CREATEDBYUSER, sy-vline,
  WA_EHFNDV_REQ_ROOT-LASTCHANGEDATETIME, sy-vline,
  WA_EHFNDV_REQ_ROOT-LASTCHANGEDBYUSER, sy-vline,
  WA_EHFNDV_REQ_ROOT-CMPLRQTITLE, sy-vline,
  WA_EHFNDV_REQ_ROOT-EHSLOCATIONUUID, sy-vline,
  WA_EHFNDV_REQ_ROOT-ISSUINGORGANIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDV_REQ_ROOT 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_EHFNDV_REQ_ROOT 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_EHFNDV_REQ_ROOT INTO WA_EHFNDV_REQ_ROOT.


*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 CREATIONDATETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDV_REQ_ROOT-CREATIONDATETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDV_REQ_ROOT-CREATIONDATETIME.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit LFCYC, internal->external for field EHSCMPLRQPERMITLIFECYCLE
CALL FUNCTION 'CONVERSION_EXIT_LFCYC_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDV_REQ_ROOT-EHSCMPLRQPERMITLIFECYCLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDV_REQ_ROOT-EHSCMPLRQPERMITLIFECYCLE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit RQDOM, internal->external for field CMPLRQDOMAIN
CALL FUNCTION 'CONVERSION_EXIT_RQDOM_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDV_REQ_ROOT-CMPLRQDOMAIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDV_REQ_ROOT-CMPLRQDOMAIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHCPR, internal->external for field CONTENTPROVIDER
CALL FUNCTION 'CONVERSION_EXIT_EHCPR_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDV_REQ_ROOT-CONTENTPROVIDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDV_REQ_ROOT-CONTENTPROVIDER.
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_EHFNDV_REQ_ROOT_STR, 
SAPCLIENT TYPE STRING,
CMPLRQVERS TYPE STRING,
BCOKEY TYPE STRING,
CMPLRQVERSUUID TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CMPLRQTITLE TYPE STRING,
EHSLOCATIONUUID TYPE STRING,
ISSUINGORGANIZATION TYPE STRING,
CMPLRQTYPE TYPE STRING,
EHSCMPLRQPERMITLIFECYCLE TYPE STRING,
CMPLRQVERSMAINTSTATUS TYPE STRING,
CMPLRQVERSPERMITNUMBER TYPE STRING,
CMPLRQUUID TYPE STRING,
CMPLRQVERSCHANGELOG TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
CMPLRQDOMAIN TYPE STRING,
CMPLRQAPPLICATIONCOMPONENT TYPE STRING,
CMPLRQVERSBUILDDATE TYPE STRING,
COMPLIANCEREQUIREMENT TYPE STRING,
TRANSITIONPERIODENDDATE TYPE STRING,
CMPLRQPATTERN TYPE STRING,
CMPLRQSOURCEURL TYPE STRING,
CONTENTPROVIDER TYPE STRING,
CMPLRQVERSCOPYRIGHTTXT TYPE STRING,
CMPLRQISINITIALLYPRVDDBYSAP TYPE STRING,
EXTERNAL_KEY TYPE STRING,
CMPLRQVERSDOCUMENTATIONOBJECT TYPE STRING,
SFTYDATASHTSUBSQNTSHPTRULE TYPE STRING,
CMPLRQMIGRATIONSRC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDV_REQ_ROOT_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_EHFNDV_REQ_ROOT_STR-SAPCLIENT sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQVERS sy-vline 
WA_EHFNDV_REQ_ROOT_STR-BCOKEY sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQVERSUUID sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CREATIONDATETIME sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CREATEDBYUSER sy-vline 
WA_EHFNDV_REQ_ROOT_STR-LASTCHANGEDATETIME sy-vline 
WA_EHFNDV_REQ_ROOT_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQTITLE sy-vline 
WA_EHFNDV_REQ_ROOT_STR-EHSLOCATIONUUID sy-vline 
WA_EHFNDV_REQ_ROOT_STR-ISSUINGORGANIZATION sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQTYPE sy-vline 
WA_EHFNDV_REQ_ROOT_STR-EHSCMPLRQPERMITLIFECYCLE sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQVERSMAINTSTATUS sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQVERSPERMITNUMBER sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQUUID sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQVERSCHANGELOG sy-vline 
WA_EHFNDV_REQ_ROOT_STR-VALIDFROM sy-vline 
WA_EHFNDV_REQ_ROOT_STR-VALIDTO sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQDOMAIN sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQAPPLICATIONCOMPONENT sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQVERSBUILDDATE sy-vline 
WA_EHFNDV_REQ_ROOT_STR-COMPLIANCEREQUIREMENT sy-vline 
WA_EHFNDV_REQ_ROOT_STR-TRANSITIONPERIODENDDATE sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQPATTERN sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQSOURCEURL sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CONTENTPROVIDER sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQVERSCOPYRIGHTTXT sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQISINITIALLYPRVDDBYSAP sy-vline 
WA_EHFNDV_REQ_ROOT_STR-EXTERNAL_KEY sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQVERSDOCUMENTATIONOBJECT sy-vline 
WA_EHFNDV_REQ_ROOT_STR-SFTYDATASHTSUBSQNTSHPTRULE sy-vline 
WA_EHFNDV_REQ_ROOT_STR-CMPLRQMIGRATIONSRC sy-vline      INTO ld_text SEPARATED BY SPACE.

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