ABAP Select data from SAP table EHFNDV_PHVISK into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHFNDV_PHVISK 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_PHVISK. 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_PHVISK 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_PHVISK TYPE STANDARD TABLE OF EHFNDV_PHVISK,
      WA_EHFNDV_PHVISK TYPE EHFNDV_PHVISK,
      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_PHVISK> TYPE EHFNDV_PHVISK.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDV_PHVISK
*  INTO TABLE @DATA(IT_EHFNDV_PHVISK2).
*--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_PHVISK INDEX 1 INTO DATA(WA_EHFNDV_PHVISK2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDV_PHVISK-LASTCHANGEUTCDATETIME, sy-vline,
  WA_EHFNDV_PHVISK-LASTCHANGEDBYUSER, sy-vline,
  WA_EHFNDV_PHVISK-PHYSCHMLKNMTCVSCTYQTYUNIT, sy-vline,
  WA_EHFNDV_PHVISK-PHYSCHMLKNMTCVSCTY20LOWROPTR, sy-vline,
  WA_EHFNDV_PHVISK-PHYSCHMLKNMTCVSCTY20LOWRQTY, sy-vline,
  WA_EHFNDV_PHVISK-PHYSCHMLKNMTCVSCTY20LOWRQTYTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDV_PHVISK 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_PHVISK 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_PHVISK INTO WA_EHFNDV_PHVISK.


*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 PHYSCHMLKNMTCVSCTYQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDV_PHVISK-PHYSCHMLKNMTCVSCTYQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDV_PHVISK-PHYSCHMLKNMTCVSCTYQTYUNIT.
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_PHVISK_STR, 
MANDT TYPE STRING,
PHYSCHMLKNMTCVSCTYUUID TYPE STRING,
PHYSCHMLPRPTYUUID TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
PHYSCHMLKNMTCVSCTYQTYUNIT TYPE STRING,
PHYSCHMLKNMTCVSCTY20LOWROPTR TYPE STRING,
PHYSCHMLKNMTCVSCTY20LOWRQTY TYPE STRING,
PHYSCHMLKNMTCVSCTY20LOWRQTYTXT TYPE STRING,
PHYSCHMLKNMTCVSCTY20UPROPTR TYPE STRING,
PHYSCHMLKNMTCVSCTY20UPRQTY TYPE STRING,
PHYSCHMLKNMTCVSCTY20UPRQTYTXT TYPE STRING,
PHYSCHMLKNMTCVSCTY40LOWROPTR TYPE STRING,
PHYSCHMLKNMTCVSCTY40LOWRQTY TYPE STRING,
PHYSCHMLKNMTCVSCTY40LOWRQTYTXT TYPE STRING,
PHYSCHMLKNMTCVSCTY40UPROPTR TYPE STRING,
PHYSCHMLKNMTCVSCTY40UPRQTY TYPE STRING,
PHYSCHMLKNMTCVSCTY40UPRQTYTXT TYPE STRING,
PCPHYSNOTETEXT TYPE STRING,
PCPHYSADDLSTATEMENTPHRSUUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDV_PHVISK_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_PHVISK_STR-MANDT sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTYUUID sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLPRPTYUUID sy-vline 
WA_EHFNDV_PHVISK_STR-CREATIONUTCDATETIME sy-vline 
WA_EHFNDV_PHVISK_STR-CREATEDBYUSER sy-vline 
WA_EHFNDV_PHVISK_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHFNDV_PHVISK_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTYQTYUNIT sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY20LOWROPTR sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY20LOWRQTY sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY20LOWRQTYTXT sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY20UPROPTR sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY20UPRQTY sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY20UPRQTYTXT sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY40LOWROPTR sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY40LOWRQTY sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY40LOWRQTYTXT sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY40UPROPTR sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY40UPRQTY sy-vline 
WA_EHFNDV_PHVISK_STR-PHYSCHMLKNMTCVSCTY40UPRQTYTXT sy-vline 
WA_EHFNDV_PHVISK_STR-PCPHYSNOTETEXT sy-vline 
WA_EHFNDV_PHVISK_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.