ABAP Select data from SAP table EHFNDV_PHVISD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHFNDV_PHVISD 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_PHVISD. 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_PHVISD 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_PHVISD TYPE STANDARD TABLE OF EHFNDV_PHVISD,
      WA_EHFNDV_PHVISD TYPE EHFNDV_PHVISD,
      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_PHVISD> TYPE EHFNDV_PHVISD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDV_PHVISD
*  INTO TABLE @DATA(IT_EHFNDV_PHVISD2).
*--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_PHVISD INDEX 1 INTO DATA(WA_EHFNDV_PHVISD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDV_PHVISD>-MANDT = 1.
<EHFNDV_PHVISD>-PHYSCHMLVISCOSITYDYNUUID = 1.
<EHFNDV_PHVISD>-PHYSCHMLPRPTYUUID = 1.
<EHFNDV_PHVISD>-CREATIONUTCDATETIME = 1.
<EHFNDV_PHVISD>-CREATEDBYUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDV_PHVISD-LASTCHANGEUTCDATETIME, sy-vline,
  WA_EHFNDV_PHVISD-LASTCHANGEDBYUSER, sy-vline,
  WA_EHFNDV_PHVISD-PHYSCHMLVISCOSITYDYNQTYUNIT, sy-vline,
  WA_EHFNDV_PHVISD-PCPRPTYLOWRLMTOPTR, sy-vline,
  WA_EHFNDV_PHVISD-PHYSCHMLVISCOSITYDYNLOWRQTY, sy-vline,
  WA_EHFNDV_PHVISD-PHYSCHMLVISCOSITYDYNLOWRQTYTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDV_PHVISD 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_PHVISD 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_PHVISD INTO WA_EHFNDV_PHVISD.


*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 CUNIT, internal->external for field PHYSCHMLVISCOSITYDYNQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDV_PHVISD-PHYSCHMLVISCOSITYDYNQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDV_PHVISD-PHYSCHMLVISCOSITYDYNQTYUNIT.
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_PHVISD_STR, 
MANDT TYPE STRING,
PHYSCHMLVISCOSITYDYNUUID TYPE STRING,
PHYSCHMLPRPTYUUID TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
PHYSCHMLVISCOSITYDYNQTYUNIT TYPE STRING,
PCPRPTYLOWRLMTOPTR TYPE STRING,
PHYSCHMLVISCOSITYDYNLOWRQTY TYPE STRING,
PHYSCHMLVISCOSITYDYNLOWRQTYTXT TYPE STRING,
PCPRPTYUPRLMTOPTR TYPE STRING,
PHYSCHMLVISCOSITYDYNUPRQTY TYPE STRING,
PHYSCHMLVISCOSITYDYNUPRQTYTXT TYPE STRING,
PCPHYSNOTETEXT TYPE STRING,
PCPHYSADDLSTATEMENTPHRSUUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDV_PHVISD_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_PHVISD_STR-MANDT sy-vline 
WA_EHFNDV_PHVISD_STR-PHYSCHMLVISCOSITYDYNUUID sy-vline 
WA_EHFNDV_PHVISD_STR-PHYSCHMLPRPTYUUID sy-vline 
WA_EHFNDV_PHVISD_STR-CREATIONUTCDATETIME sy-vline 
WA_EHFNDV_PHVISD_STR-CREATEDBYUSER sy-vline 
WA_EHFNDV_PHVISD_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHFNDV_PHVISD_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDV_PHVISD_STR-PHYSCHMLVISCOSITYDYNQTYUNIT sy-vline 
WA_EHFNDV_PHVISD_STR-PCPRPTYLOWRLMTOPTR sy-vline 
WA_EHFNDV_PHVISD_STR-PHYSCHMLVISCOSITYDYNLOWRQTY sy-vline 
WA_EHFNDV_PHVISD_STR-PHYSCHMLVISCOSITYDYNLOWRQTYTXT sy-vline 
WA_EHFNDV_PHVISD_STR-PCPRPTYUPRLMTOPTR sy-vline 
WA_EHFNDV_PHVISD_STR-PHYSCHMLVISCOSITYDYNUPRQTY sy-vline 
WA_EHFNDV_PHVISD_STR-PHYSCHMLVISCOSITYDYNUPRQTYTXT sy-vline 
WA_EHFNDV_PHVISD_STR-PCPHYSNOTETEXT sy-vline 
WA_EHFNDV_PHVISD_STR-PCPHYSADDLSTATEMENTPHRSUUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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