ABAP Select data from SAP table EHS00S_PCP_HITLIST_IOT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHS00S_PCP_HITLIST_IOT 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 EHS00S_PCP_HITLIST_IOT. 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 EHS00S_PCP_HITLIST_IOT 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_EHS00S_PCP_HITLIST_IOT TYPE STANDARD TABLE OF EHS00S_PCP_HITLIST_IOT,
      WA_EHS00S_PCP_HITLIST_IOT TYPE EHS00S_PCP_HITLIST_IOT,
      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: <EHS00S_PCP_HITLIST_IOT> TYPE EHS00S_PCP_HITLIST_IOT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHS00S_PCP_HITLIST_IOT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHS00S_PCP_HITLIST_IOT
  INTO TABLE IT_EHS00S_PCP_HITLIST_IOT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHS00S_PCP_HITLIST_IOT
*  INTO TABLE @DATA(IT_EHS00S_PCP_HITLIST_IOT2).
*--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_EHS00S_PCP_HITLIST_IOT INDEX 1 INTO DATA(WA_EHS00S_PCP_HITLIST_IOT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHS00S_PCP_HITLIST_IOT ASSIGNING <EHS00S_PCP_HITLIST_IOT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHS00S_PCP_HITLIST_IOT>-PERSON_ID = 1.
<EHS00S_PCP_HITLIST_IOT>-PERNR = 1.
<EHS00S_PCP_HITLIST_IOT>-PERSON_GRP = 1.
<EHS00S_PCP_HITLIST_IOT>-NACHN = 1.
<EHS00S_PCP_HITLIST_IOT>-VORNA = 1.

ENDLOOP.

LOOP AT IT_EHS00S_PCP_HITLIST_IOT INTO WA_EHS00S_PCP_HITLIST_IOT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHS00S_PCP_HITLIST_IOT-GBDAT, sy-vline,
  WA_EHS00S_PCP_HITLIST_IOT-GESCH, sy-vline,
  WA_EHS00S_PCP_HITLIST_IOT-NAMEOFGESCH, sy-vline,
  WA_EHS00S_PCP_HITLIST_IOT-BUKRS, sy-vline,
  WA_EHS00S_PCP_HITLIST_IOT-WERKS, sy-vline,
  WA_EHS00S_PCP_HITLIST_IOT-PERSG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHS00S_PCP_HITLIST_IOT 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_EHS00S_PCP_HITLIST_IOT 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_EHS00S_PCP_HITLIST_IOT INTO WA_EHS00S_PCP_HITLIST_IOT.


*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 PDATE, internal->external for field GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_PCP_HITLIST_IOT-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_PCP_HITLIST_IOT-GBDAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_PCP_HITLIST_IOT-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_PCP_HITLIST_IOT-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HEALTHCENTRE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_PCP_HITLIST_IOT-HEALTHCENTRE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_PCP_HITLIST_IOT-HEALTHCENTRE.
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_EHS00S_PCP_HITLIST_IOT_STR, 
PERSON_ID TYPE STRING,
PERNR TYPE STRING,
PERSON_GRP TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
GBDAT TYPE STRING,
GESCH TYPE STRING,
NAMEOFGESCH TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
PERSG TYPE STRING,
VDSK1 TYPE STRING,
GSBER TYPE STRING,
PERSK TYPE STRING,
BTRTL TYPE STRING,
KOSTL TYPE STRING,
ORGEH TYPE STRING,
ORGTX TYPE STRING,
PLANS TYPE STRING,
PLSTX TYPE STRING,
STELL TYPE STRING,
STLTX TYPE STRING,
NATIO TYPE STRING,
NAMEOFNATIO TYPE STRING,
PERENQ TYPE STRING,
PERAUTH TYPE STRING,
HEALTHCENTRE TYPE STRING,
HEACENNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHS00S_PCP_HITLIST_IOT_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_EHS00S_PCP_HITLIST_IOT_STR-PERSON_ID sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-PERNR sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-PERSON_GRP sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-NACHN sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-VORNA sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-GBDAT sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-GESCH sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-NAMEOFGESCH sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-BUKRS sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-WERKS sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-PERSG sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-VDSK1 sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-GSBER sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-PERSK sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-BTRTL sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-KOSTL sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-ORGEH sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-ORGTX sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-PLANS sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-PLSTX sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-STELL sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-STLTX sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-NATIO sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-NAMEOFNATIO sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-PERENQ sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-PERAUTH sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-HEALTHCENTRE sy-vline 
WA_EHS00S_PCP_HITLIST_IOT_STR-HEACENNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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