ABAP Select data from SAP table ISH_PAT_UPD_CONF_S_OCCPTN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISH_PAT_UPD_CONF_S_OCCPTN
*  INTO TABLE @DATA(IT_ISH_PAT_UPD_CONF_S_OCCPTN2).
*--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_ISH_PAT_UPD_CONF_S_OCCPTN INDEX 1 INTO DATA(WA_ISH_PAT_UPD_CONF_S_OCCPTN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISH_PAT_UPD_CONF_S_OCCPTN>-CONTROLLER = 1.
<ISH_PAT_UPD_CONF_S_OCCPTN>-NAME = 1.
<ISH_PAT_UPD_CONF_S_OCCPTN>-START_DATE = 1.
<ISH_PAT_UPD_CONF_S_OCCPTN>-EMPLOYER_NAME = 1.
<ISH_PAT_UPD_CONF_S_OCCPTN>-EMPLOYER_ADDRESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISH_PAT_UPD_CONF_S_OCCPTN-CONTROLLER, sy-vline,
  WA_ISH_PAT_UPD_CONF_S_OCCPTN-COUNTRY_CODE, sy-vline,
  WA_ISH_PAT_UPD_CONF_S_OCCPTN-COUNTRY_NAME, sy-vline,
  WA_ISH_PAT_UPD_CONF_S_OCCPTN-CONTROLLER, sy-vline,
  WA_ISH_PAT_UPD_CONF_S_OCCPTN-LANGUAGE_CODE, sy-vline,
  WA_ISH_PAT_UPD_CONF_S_OCCPTN-CONTENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISH_PAT_UPD_CONF_S_OCCPTN 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_ISH_PAT_UPD_CONF_S_OCCPTN 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_ISH_PAT_UPD_CONF_S_OCCPTN INTO WA_ISH_PAT_UPD_CONF_S_OCCPTN.


*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_ISH_PAT_UPD_CONF_S_OCCPTN_STR, 
CONTROLLER TYPE STRING,
NAME TYPE STRING,
START_DATE TYPE STRING,
EMPLOYER_NAME TYPE STRING,
EMPLOYER_ADDRESS TYPE STRING,
CONTROLLER TYPE STRING,
COUNTRY_CODE TYPE STRING,
COUNTRY_NAME TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
REGION_CODE TYPE STRING,
CONTROLLER TYPE STRING,
LIST_ID TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
LIST_AGENCY_SCHEME_ID TYPE STRING,
LIST_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
REGION_NAME TYPE STRING,
STREET_POSTAL_CODE TYPE STRING,
POBOX_POSTAL_CODE TYPE STRING,
COMPANY_POSTAL_CODE TYPE STRING,
CITY_NAME TYPE STRING,
ADDITIONAL_CITY_NAME TYPE STRING,
DISTRICT_NAME TYPE STRING,
POBOX_ID TYPE STRING,
POBOX_INDICATOR TYPE STRING,
POBOX_COUNTRY_CODE TYPE STRING,
POBOX_COUNTRY_NAME TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
POBOX_REGION_CODE TYPE STRING,
CONTROLLER TYPE STRING,
LIST_ID TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
LIST_AGENCY_SCHEME_ID TYPE STRING,
LIST_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
POBOX_REGION_NAME TYPE STRING,
POBOX_CITY_NAME TYPE STRING,
STREET_NAME TYPE STRING,
STREET_PREFIX_NAME TYPE STRING,
STREET_SUFFIX_NAME TYPE STRING,
HOUSE_ID TYPE STRING,
ADDITIONAL_HOUSE_ID TYPE STRING,
BUILDING_ID TYPE STRING,
FLOOR_ID TYPE STRING,
ROOM_ID TYPE STRING,
CARE_OF_NAME TYPE STRING,
DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISH_PAT_UPD_CONF_S_OCCPTN_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_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTROLLER sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-START_DATE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-EMPLOYER_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-EMPLOYER_ADDRESS sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTROLLER sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-COUNTRY_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-COUNTRY_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTROLLER sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LANGUAGE_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTENT sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-REGION_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTROLLER sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_VERSION_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_AGENCY_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_AGENCY_SCHEME_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTENT sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-REGION_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-STREET_POSTAL_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-POBOX_POSTAL_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-COMPANY_POSTAL_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CITY_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-ADDITIONAL_CITY_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-DISTRICT_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-POBOX_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-POBOX_INDICATOR sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-POBOX_COUNTRY_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-POBOX_COUNTRY_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTROLLER sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LANGUAGE_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTENT sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-POBOX_REGION_CODE sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTROLLER sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_VERSION_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_AGENCY_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_AGENCY_SCHEME_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-LIST_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CONTENT sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-POBOX_REGION_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-POBOX_CITY_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-STREET_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-STREET_PREFIX_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-STREET_SUFFIX_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-HOUSE_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-ADDITIONAL_HOUSE_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-BUILDING_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-FLOOR_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-ROOM_ID sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-CARE_OF_NAME sy-vline 
WA_ISH_PAT_UPD_CONF_S_OCCPTN_STR-DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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