ABAP Select data from SAP table EHFNDW_PHYSCHEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHFNDW_PHYSCHEM 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_PHYSCHEM. 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_PHYSCHEM 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_PHYSCHEM TYPE STANDARD TABLE OF EHFNDW_PHYSCHEM,
      WA_EHFNDW_PHYSCHEM TYPE EHFNDW_PHYSCHEM,
      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_PHYSCHEM> TYPE EHFNDW_PHYSCHEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDW_PHYSCHEM
*  INTO TABLE @DATA(IT_EHFNDW_PHYSCHEM2).
*--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_PHYSCHEM INDEX 1 INTO DATA(WA_EHFNDW_PHYSCHEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDW_PHYSCHEM>-MANDT = 1.
<EHFNDW_PHYSCHEM>-PHYSCHMLPRPTYUUID = 1.
<EHFNDW_PHYSCHEM>-ACTIVEPHYSCHMLPRPTYUUID = 1.
<EHFNDW_PHYSCHEM>-CHMLCMPLNCINFOUUID = 1.
<EHFNDW_PHYSCHEM>-SUBSTANCEUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDW_PHYSCHEM-CREATIONUTCDATETIME, sy-vline,
  WA_EHFNDW_PHYSCHEM-CREATEDBYUSER, sy-vline,
  WA_EHFNDW_PHYSCHEM-LASTCHANGEUTCDATETIME, sy-vline,
  WA_EHFNDW_PHYSCHEM-LASTCHANGEDBYUSER, sy-vline,
  WA_EHFNDW_PHYSCHEM-PCPRPTYPROCGSTS, sy-vline,
  WA_EHFNDW_PHYSCHEM-RELEASEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDW_PHYSCHEM 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_PHYSCHEM 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_PHYSCHEM INTO WA_EHFNDW_PHYSCHEM.


*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 RELEASEDBYUSER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDW_PHYSCHEM-RELEASEDBYUSER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDW_PHYSCHEM-RELEASEDBYUSER.
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_PHYSCHEM_STR, 
MANDT TYPE STRING,
PHYSCHMLPRPTYUUID TYPE STRING,
ACTIVEPHYSCHMLPRPTYUUID TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
SUBSTANCEUUID TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
PCPRPTYPROCGSTS TYPE STRING,
RELEASEDBYUSER TYPE STRING,
VALIDITYSTARTDATETIME TYPE STRING,
VALIDITYENDDATETIME TYPE STRING,
PCPHYSODORTHLDHASNOAPPL TYPE STRING,
PCPHYSODORTHLDHASNODATA TYPE STRING,
PCPHYSMOLARMASSHASNOAPPL TYPE STRING,
PCPHYSMOLARMASSHASNODATA TYPE STRING,
PCPHYSPARTICLESIZEHASNOAPPL TYPE STRING,
PCPHYSPARTICLESIZEHASNODATA TYPE STRING,
PCPHYSVAPORPRSSRHASNOAPPL TYPE STRING,
PCPHYSVAPORPRSSRHASNODATA TYPE STRING,
PCPHYSEVAPORATIONRATEHASNOAPPL TYPE STRING,
PCPHYSEVAPORATIONRATEHASNODATA TYPE STRING,
PCPHYSPSDISTRHASNOAPPL TYPE STRING,
PCPHYSPSDISTRHASNODATA TYPE STRING,
PCPHYSDENSITYHASNOAPPL TYPE STRING,
PCPHYSDENSITYHASNODATA TYPE STRING,
PCPHYSBULKDENSITYHASNOAPPL TYPE STRING,
PCPHYSBULKDENSITYHASNODATA TYPE STRING,
PCPHYSRLTVDENSITYHASNOAPPL TYPE STRING,
PCPHYSRLTVDENSITYHASNODATA TYPE STRING,
PCPHYSRLTVVAPORDENSHASNOAPPL TYPE STRING,
PCPHYSRLTVVAPORDENSHASNODATA TYPE STRING,
PCPHYSFLOWTIMEHASNOAPPL TYPE STRING,
PCPHYSFLOWTIMEHASNODATA TYPE STRING,
PCPHYSVISCOSITYDYNHASNOAPPL TYPE STRING,
PCPHYSVISCOSITYDYNHASNODATA TYPE STRING,
PCPHYSVISCOSITYKINHASNOAPPL TYPE STRING,
PCPHYSVISCOSITYKINHASNODATA TYPE STRING,
PCPHYSWTRSLBTYHASNOAPPL TYPE STRING,
PCPHYSWTRSLBTYHASNODATA TYPE STRING,
PCPHYSPHSCALEHASNOAPPL TYPE STRING,
PCPHYSPHSCALEHASNODATA TYPE STRING,
PCPHYSMELTINGPOINTHASNOAPPL TYPE STRING,
PCPHYSMELTINGPOINTHASNODATA TYPE STRING,
PCPHYSBOILINGPOINTHASNOAPPL TYPE STRING,
PCPHYSBOILINGPOINTHASNODATA TYPE STRING,
PCPHYSPARTITIONCOEFFHASNOAPPL TYPE STRING,
PCPHYSPARTITIONCOEFFHASNODATA 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_PHYSCHEM_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_PHYSCHEM_STR-MANDT sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PHYSCHMLPRPTYUUID sy-vline 
WA_EHFNDW_PHYSCHEM_STR-ACTIVEPHYSCHMLPRPTYUUID sy-vline 
WA_EHFNDW_PHYSCHEM_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_EHFNDW_PHYSCHEM_STR-SUBSTANCEUUID sy-vline 
WA_EHFNDW_PHYSCHEM_STR-CREATIONUTCDATETIME sy-vline 
WA_EHFNDW_PHYSCHEM_STR-CREATEDBYUSER sy-vline 
WA_EHFNDW_PHYSCHEM_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHFNDW_PHYSCHEM_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPRPTYPROCGSTS sy-vline 
WA_EHFNDW_PHYSCHEM_STR-RELEASEDBYUSER sy-vline 
WA_EHFNDW_PHYSCHEM_STR-VALIDITYSTARTDATETIME sy-vline 
WA_EHFNDW_PHYSCHEM_STR-VALIDITYENDDATETIME sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSODORTHLDHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSODORTHLDHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSMOLARMASSHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSMOLARMASSHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSPARTICLESIZEHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSPARTICLESIZEHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSVAPORPRSSRHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSVAPORPRSSRHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSEVAPORATIONRATEHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSEVAPORATIONRATEHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSPSDISTRHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSPSDISTRHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSDENSITYHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSDENSITYHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSBULKDENSITYHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSBULKDENSITYHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSRLTVDENSITYHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSRLTVDENSITYHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSRLTVVAPORDENSHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSRLTVVAPORDENSHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSFLOWTIMEHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSFLOWTIMEHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSVISCOSITYDYNHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSVISCOSITYDYNHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSVISCOSITYKINHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSVISCOSITYKINHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSWTRSLBTYHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSWTRSLBTYHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSPHSCALEHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSPHSCALEHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSMELTINGPOINTHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSMELTINGPOINTHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSBOILINGPOINTHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSBOILINGPOINTHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSPARTITIONCOEFFHASNOAPPL sy-vline 
WA_EHFNDW_PHYSCHEM_STR-PCPHYSPARTITIONCOEFFHASNODATA sy-vline 
WA_EHFNDW_PHYSCHEM_STR-ACTIVEUUID sy-vline 
WA_EHFNDW_PHYSCHEM_STR-HASACTIVEENTITY sy-vline 
WA_EHFNDW_PHYSCHEM_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_EHFNDW_PHYSCHEM_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_EHFNDW_PHYSCHEM_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_EHFNDW_PHYSCHEM_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_EHFNDW_PHYSCHEM_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.