ABAP Select data from SAP table P24_HSAPOHC0_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P24_HSAPOHC0_DATA 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 P24_HSAPOHC0_DATA. 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 P24_HSAPOHC0_DATA 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_P24_HSAPOHC0_DATA TYPE STANDARD TABLE OF P24_HSAPOHC0_DATA,
      WA_P24_HSAPOHC0_DATA TYPE P24_HSAPOHC0_DATA,
      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: <P24_HSAPOHC0_DATA> TYPE P24_HSAPOHC0_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P24_HSAPOHC0_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P24_HSAPOHC0_DATA
  INTO TABLE IT_P24_HSAPOHC0_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P24_HSAPOHC0_DATA
*  INTO TABLE @DATA(IT_P24_HSAPOHC0_DATA2).
*--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_P24_HSAPOHC0_DATA INDEX 1 INTO DATA(WA_P24_HSAPOHC0_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P24_HSAPOHC0_DATA ASSIGNING <P24_HSAPOHC0_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P24_HSAPOHC0_DATA>-TRACE = 1.
<P24_HSAPOHC0_DATA>-ACCPL = 1.
<P24_HSAPOHC0_DATA>-ACCGD = 1.
<P24_HSAPOHC0_DATA>-ACCHD = 1.
<P24_HSAPOHC0_DATA>-ACCTM = 1.

ENDLOOP.

LOOP AT IT_P24_HSAPOHC0_DATA INTO WA_P24_HSAPOHC0_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P24_HSAPOHC0_DATA-COMGD, sy-vline,
  WA_P24_HSAPOHC0_DATA-COMHD, sy-vline,
  WA_P24_HSAPOHC0_DATA-HOSPT, sy-vline,
  WA_P24_HSAPOHC0_DATA-ACCEP, sy-vline,
  WA_P24_HSAPOHC0_DATA-ACCE2, sy-vline,
  WA_P24_HSAPOHC0_DATA-ACCE3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P24_HSAPOHC0_DATA 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_P24_HSAPOHC0_DATA 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_P24_HSAPOHC0_DATA INTO WA_P24_HSAPOHC0_DATA.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_P24_HSAPOHC0_DATA_STR, 
TRACE TYPE STRING,
ACCPL TYPE STRING,
ACCGD TYPE STRING,
ACCHD TYPE STRING,
ACCTM TYPE STRING,
COMGD TYPE STRING,
COMHD TYPE STRING,
HOSPT TYPE STRING,
ACCEP TYPE STRING,
ACCE2 TYPE STRING,
ACCE3 TYPE STRING,
ACCE4 TYPE STRING,
ENTGD TYPE STRING,
ENTHD TYPE STRING,
HOSFD TYPE STRING,
HOSTD TYPE STRING,
HOHFD TYPE STRING,
HOHTD TYPE STRING,
HOMFD TYPE STRING,
HOMTD TYPE STRING,
HMHFD TYPE STRING,
HMHTD TYPE STRING,
TOTFD TYPE STRING,
TOTTD TYPE STRING,
TTHFD TYPE STRING,
TTHTD TYPE STRING,
VISIT TYPE STRING,
MISDY TYPE STRING,
MISTY TYPE STRING,
ACMDY TYPE STRING,
RTWGD TYPE STRING,
RTWHD TYPE STRING,
PRVIP TYPE STRING,
FINAL TYPE STRING,
TRTWY TYPE STRING,
RTINJ TYPE STRING,
OUPHY TYPE STRING,
OUPHT TYPE STRING,
EQUIP TYPE STRING,
REHAB TYPE STRING,
FSTAT TYPE STRING,
GOSIO TYPE STRING,
GOSIT TYPE STRING,
GOSER TYPE STRING,
SUBTY TYPE STRING,
BUTXT TYPE STRING,
COMAD TYPE STRING,
COMCT TYPE STRING,
POBOX TYPE STRING,
TELNO TYPE STRING,
FNAME TYPE STRING,
GOSID TYPE STRING,
ICNUM TYPE STRING,
ENTRD TYPE STRING,
EMPCT TYPE STRING,
EMPAD TYPE STRING,
STLTX TYPE STRING,
RECGD TYPE STRING,
RECHD TYPE STRING,
STOPP TYPE STRING,
STOHP TYPE STRING,
FILNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P24_HSAPOHC0_DATA_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_P24_HSAPOHC0_DATA_STR-TRACE sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACCPL sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACCGD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACCHD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACCTM sy-vline 
WA_P24_HSAPOHC0_DATA_STR-COMGD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-COMHD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HOSPT sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACCEP sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACCE2 sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACCE3 sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACCE4 sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ENTGD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ENTHD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HOSFD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HOSTD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HOHFD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HOHTD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HOMFD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HOMTD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HMHFD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-HMHTD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-TOTFD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-TOTTD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-TTHFD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-TTHTD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-VISIT sy-vline 
WA_P24_HSAPOHC0_DATA_STR-MISDY sy-vline 
WA_P24_HSAPOHC0_DATA_STR-MISTY sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ACMDY sy-vline 
WA_P24_HSAPOHC0_DATA_STR-RTWGD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-RTWHD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-PRVIP sy-vline 
WA_P24_HSAPOHC0_DATA_STR-FINAL sy-vline 
WA_P24_HSAPOHC0_DATA_STR-TRTWY sy-vline 
WA_P24_HSAPOHC0_DATA_STR-RTINJ sy-vline 
WA_P24_HSAPOHC0_DATA_STR-OUPHY sy-vline 
WA_P24_HSAPOHC0_DATA_STR-OUPHT sy-vline 
WA_P24_HSAPOHC0_DATA_STR-EQUIP sy-vline 
WA_P24_HSAPOHC0_DATA_STR-REHAB sy-vline 
WA_P24_HSAPOHC0_DATA_STR-FSTAT sy-vline 
WA_P24_HSAPOHC0_DATA_STR-GOSIO sy-vline 
WA_P24_HSAPOHC0_DATA_STR-GOSIT sy-vline 
WA_P24_HSAPOHC0_DATA_STR-GOSER sy-vline 
WA_P24_HSAPOHC0_DATA_STR-SUBTY sy-vline 
WA_P24_HSAPOHC0_DATA_STR-BUTXT sy-vline 
WA_P24_HSAPOHC0_DATA_STR-COMAD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-COMCT sy-vline 
WA_P24_HSAPOHC0_DATA_STR-POBOX sy-vline 
WA_P24_HSAPOHC0_DATA_STR-TELNO sy-vline 
WA_P24_HSAPOHC0_DATA_STR-FNAME sy-vline 
WA_P24_HSAPOHC0_DATA_STR-GOSID sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ICNUM sy-vline 
WA_P24_HSAPOHC0_DATA_STR-ENTRD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-EMPCT sy-vline 
WA_P24_HSAPOHC0_DATA_STR-EMPAD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-STLTX sy-vline 
WA_P24_HSAPOHC0_DATA_STR-RECGD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-RECHD sy-vline 
WA_P24_HSAPOHC0_DATA_STR-STOPP sy-vline 
WA_P24_HSAPOHC0_DATA_STR-STOHP sy-vline 
WA_P24_HSAPOHC0_DATA_STR-FILNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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