ABAP Select data from SAP table ISPHYSCHMLKNMTCVSCTYTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPHYSCHMLKNMTCVSCTYTP
*  INTO TABLE @DATA(IT_ISPHYSCHMLKNMTCVSCTYTP2).
*--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_ISPHYSCHMLKNMTCVSCTYTP INDEX 1 INTO DATA(WA_ISPHYSCHMLKNMTCVSCTYTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPHYSCHMLKNMTCVSCTYTP>-KEY = 1.
<ISPHYSCHMLKNMTCVSCTYTP>-PARENT_KEY = 1.
<ISPHYSCHMLKNMTCVSCTYTP>-ROOT_KEY = 1.
<ISPHYSCHMLKNMTCVSCTYTP>-CREATIONUTCDATETIME = 1.
<ISPHYSCHMLKNMTCVSCTYTP>-CREATEDBYUSER = 1.

ENDLOOP.

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

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


*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_ISPHYSCHMLKNMTCVSCTYTP-PHYSCHMLKNMTCVSCTYQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPHYSCHMLKNMTCVSCTYTP-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_ISPHYSCHMLKNMTCVSCTYTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY 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,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPHYSCHMLKNMTCVSCTYTP_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_ISPHYSCHMLKNMTCVSCTYTP_STR-KEY sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PARENT_KEY sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-ROOT_KEY sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-CREATIONUTCDATETIME sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-CREATEDBYUSER sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTYQTYUNIT sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY20LOWROPTR sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY20LOWRQTY sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY20LOWRQTYTXT sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY20UPROPTR sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY20UPRQTY sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY20UPRQTYTXT sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY40LOWROPTR sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY40LOWRQTY sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY40LOWRQTYTXT sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY40UPROPTR sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY40UPRQTY sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PHYSCHMLKNMTCVSCTY40UPRQTYTXT sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PCPHYSNOTETEXT sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-PCPHYSADDLSTATEMENTPHRSUUID sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-ACTIVEUUID sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-HASACTIVEENTITY sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPHYSCHMLKNMTCVSCTYTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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