ABAP Select data from SAP table PTRM_IMG_HTLCAT_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTRM_IMG_HTLCAT_STY
*  INTO TABLE @DATA(IT_PTRM_IMG_HTLCAT_STY2).
*--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_PTRM_IMG_HTLCAT_STY INDEX 1 INTO DATA(WA_PTRM_IMG_HTLCAT_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTRM_IMG_HTLCAT_STY>-PROFILE_DESC = 1.
<PTRM_IMG_HTLCAT_STY>-HTLCODES = 1.
<PTRM_IMG_HTLCAT_STY>-PROFILES = 1.
<PTRM_IMG_HTLCAT_STY>-MANDT = 1.
<PTRM_IMG_HTLCAT_STY>-HOTEL_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTRM_IMG_HTLCAT_STY-PROVIDER, sy-vline,
  WA_PTRM_IMG_HTLCAT_STY-LOCID, sy-vline,
  WA_PTRM_IMG_HTLCAT_STY-PROPERTY, sy-vline,
  WA_PTRM_IMG_HTLCAT_STY-NAME, sy-vline,
  WA_PTRM_IMG_HTLCAT_STY-STRASSE, sy-vline,
  WA_PTRM_IMG_HTLCAT_STY-STRASSE2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTRM_IMG_HTLCAT_STY 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_PTRM_IMG_HTLCAT_STY 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_PTRM_IMG_HTLCAT_STY INTO WA_PTRM_IMG_HTLCAT_STY.


*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 FMCTP, internal->external for field PROPERTY
CALL FUNCTION 'CONVERSION_EXIT_FMCTP_OUTPUT'
  EXPORTING
    input =                      WA_PTRM_IMG_HTLCAT_STY-PROPERTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTRM_IMG_HTLCAT_STY-PROPERTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TRIM_HOTEL_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTRM_IMG_HTLCAT_STY-TRIM_HOTEL_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTRM_IMG_HTLCAT_STY-TRIM_HOTEL_ID.
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_PTRM_IMG_HTLCAT_STY_STR, 
PROFILE_DESC TYPE STRING,
HTLCODES TYPE STRING,
PROFILES TYPE STRING,
MANDT TYPE STRING,
HOTEL_ID TYPE STRING,
PROVIDER TYPE STRING,
LOCID TYPE STRING,
PROPERTY TYPE STRING,
NAME TYPE STRING,
STRASSE TYPE STRING,
STRASSE2 TYPE STRING,
LAND1 TYPE STRING,
PLZ TYPE STRING,
ORT TYPE STRING,
ORTSTEIL TYPE STRING,
TELEFON TYPE STRING,
FAX TYPE STRING,
LANDX TYPE STRING,
LOC_NAME TYPE STRING,
PROV_NAME TYPE STRING,
AREA_LOC TYPE STRING,
TRANS_LOC TYPE STRING,
AVAILABLE TYPE STRING,
RFCDEST TYPE STRING,
URL TYPE STRING,
TRIM_HOTEL_ID TYPE STRING,
LOC_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTRM_IMG_HTLCAT_STY_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_PTRM_IMG_HTLCAT_STY_STR-PROFILE_DESC sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-HTLCODES sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-PROFILES sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-MANDT sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-HOTEL_ID sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-PROVIDER sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-LOCID sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-PROPERTY sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-NAME sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-STRASSE sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-STRASSE2 sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-LAND1 sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-PLZ sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-ORT sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-ORTSTEIL sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-TELEFON sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-FAX sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-LANDX sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-LOC_NAME sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-PROV_NAME sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-AREA_LOC sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-TRANS_LOC sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-AVAILABLE sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-RFCDEST sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-URL sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-TRIM_HOTEL_ID sy-vline 
WA_PTRM_IMG_HTLCAT_STY_STR-LOC_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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