ABAP Select data from SAP table EHFNDW_PHVAPRESS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDW_PHVAPRESS
*  INTO TABLE @DATA(IT_EHFNDW_PHVAPRESS2).
*--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_EHFNDW_PHVAPRESS INDEX 1 INTO DATA(WA_EHFNDW_PHVAPRESS2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDW_PHVAPRESS-LASTCHANGEUTCDATETIME, sy-vline,
  WA_EHFNDW_PHVAPRESS-LASTCHANGEDBYUSER, sy-vline,
  WA_EHFNDW_PHVAPRESS-PHYSCHMLVAPORPRSSRQTYUNIT, sy-vline,
  WA_EHFNDW_PHVAPRESS-PCPHYSVAPORPRSSR20LOWRQTYOPTR, sy-vline,
  WA_EHFNDW_PHVAPRESS-PCPHYSVAPORPRSSR20LOWRQTY, sy-vline,
  WA_EHFNDW_PHVAPRESS-PCPHYSVAPORPRSSR20LOWRQTYASTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDW_PHVAPRESS 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_EHFNDW_PHVAPRESS 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_EHFNDW_PHVAPRESS INTO WA_EHFNDW_PHVAPRESS.


*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 PHYSCHMLVAPORPRSSRQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDW_PHVAPRESS-PHYSCHMLVAPORPRSSRQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDW_PHVAPRESS-PHYSCHMLVAPORPRSSRQTYUNIT.
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_EHFNDW_PHVAPRESS_STR, 
MANDT TYPE STRING,
PHYSCHMLVAPORPRSSRUUID TYPE STRING,
PHYSCHMLPRPTYUUID TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
PHYSCHMLVAPORPRSSRQTYUNIT TYPE STRING,
PCPHYSVAPORPRSSR20LOWRQTYOPTR TYPE STRING,
PCPHYSVAPORPRSSR20LOWRQTY TYPE STRING,
PCPHYSVAPORPRSSR20LOWRQTYASTXT TYPE STRING,
PCPHYSVAPORPRSSR20UPRQTYOPTR TYPE STRING,
PCPHYSVAPORPRSSR20UPRQTY TYPE STRING,
PCPHYSVAPORPRSSR20UPRQTYASTXT TYPE STRING,
PCPHYSVAPORPRSSR50LOWRQTYOPTR TYPE STRING,
PCPHYSVAPORPRSSR50LOWRQTY TYPE STRING,
PCPHYSVAPORPRSSR50LOWRQTYASTXT TYPE STRING,
PCPHYSVAPORPRSSR50UPRQTYOPTR TYPE STRING,
PCPHYSVAPORPRSSR50UPRQTY TYPE STRING,
PCPHYSVAPORPRSSR50UPRQTYASTXT TYPE STRING,
PCPHYSNOTETEXT TYPE STRING,
PCPHYSADDLSTATEMENTPHRSUUID TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDW_PHVAPRESS_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_EHFNDW_PHVAPRESS_STR-MANDT sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PHYSCHMLVAPORPRSSRUUID sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PHYSCHMLPRPTYUUID sy-vline 
WA_EHFNDW_PHVAPRESS_STR-CREATIONUTCDATETIME sy-vline 
WA_EHFNDW_PHVAPRESS_STR-CREATEDBYUSER sy-vline 
WA_EHFNDW_PHVAPRESS_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHFNDW_PHVAPRESS_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PHYSCHMLVAPORPRSSRQTYUNIT sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR20LOWRQTYOPTR sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR20LOWRQTY sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR20LOWRQTYASTXT sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR20UPRQTYOPTR sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR20UPRQTY sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR20UPRQTYASTXT sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR50LOWRQTYOPTR sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR50LOWRQTY sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR50LOWRQTYASTXT sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR50UPRQTYOPTR sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR50UPRQTY sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSVAPORPRSSR50UPRQTYASTXT sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSNOTETEXT sy-vline 
WA_EHFNDW_PHVAPRESS_STR-PCPHYSADDLSTATEMENTPHRSUUID sy-vline 
WA_EHFNDW_PHVAPRESS_STR-ACTIVEUUID sy-vline 
WA_EHFNDW_PHVAPRESS_STR-HASACTIVEENTITY sy-vline 
WA_EHFNDW_PHVAPRESS_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_EHFNDW_PHVAPRESS_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_EHFNDW_PHVAPRESS_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_EHFNDW_PHVAPRESS_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_EHFNDW_PHVAPRESS_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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