ABAP Select data from SAP table HAPCN_S_DYNP_5000 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HAPCN_S_DYNP_5000 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 HAPCN_S_DYNP_5000. 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 HAPCN_S_DYNP_5000 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_HAPCN_S_DYNP_5000 TYPE STANDARD TABLE OF HAPCN_S_DYNP_5000,
      WA_HAPCN_S_DYNP_5000 TYPE HAPCN_S_DYNP_5000,
      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: <HAPCN_S_DYNP_5000> TYPE HAPCN_S_DYNP_5000.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HAPCN_S_DYNP_5000.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HAPCN_S_DYNP_5000
  INTO TABLE IT_HAPCN_S_DYNP_5000.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HAPCN_S_DYNP_5000
*  INTO TABLE @DATA(IT_HAPCN_S_DYNP_50002).
*--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_HAPCN_S_DYNP_5000 INDEX 1 INTO DATA(WA_HAPCN_S_DYNP_50002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HAPCN_S_DYNP_5000 ASSIGNING <HAPCN_S_DYNP_5000>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HAPCN_S_DYNP_5000>-PLAN_VERSION = 1.
<HAPCN_S_DYNP_5000>-TEMPLATE_ID = 1.
<HAPCN_S_DYNP_5000>-APPRAISAL_ID = 1.
<HAPCN_S_DYNP_5000>-PART_AP_ID = 1.
<HAPCN_S_DYNP_5000>-AP_START_DATE = 1.

ENDLOOP.

LOOP AT IT_HAPCN_S_DYNP_5000 INTO WA_HAPCN_S_DYNP_5000.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HAPCN_S_DYNP_5000-AP_END_DATE, sy-vline,
  WA_HAPCN_S_DYNP_5000-APPER_TYPE, sy-vline,
  WA_HAPCN_S_DYNP_5000-APPER_ID, sy-vline,
  WA_HAPCN_S_DYNP_5000-APPER_NAME, sy-vline,
  WA_HAPCN_S_DYNP_5000-APPER_SHORT, sy-vline,
  WA_HAPCN_S_DYNP_5000-PART_APPER_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HAPCN_S_DYNP_5000 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_HAPCN_S_DYNP_5000 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_HAPCN_S_DYNP_5000 INTO WA_HAPCN_S_DYNP_5000.


*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_HAPCN_S_DYNP_5000_STR, 
PLAN_VERSION TYPE STRING,
TEMPLATE_ID TYPE STRING,
APPRAISAL_ID TYPE STRING,
PART_AP_ID TYPE STRING,
AP_START_DATE TYPE STRING,
AP_END_DATE TYPE STRING,
APPER_TYPE TYPE STRING,
APPER_ID TYPE STRING,
APPER_NAME TYPE STRING,
APPER_SHORT TYPE STRING,
PART_APPER_TYPE TYPE STRING,
PART_APPER_ID TYPE STRING,
PART_APPER_NAME TYPE STRING,
PART_APPER_SHORT TYPE STRING,
PART_APPER_ROLE_ID TYPE STRING,
PART_WEIGHTING TYPE STRING,
PART_SEQUENCE TYPE STRING,
PART_COMPLETED TYPE STRING,
PART_DATE_EARLIEST TYPE STRING,
PART_DATE_LATEST TYPE STRING,
OTHER_TYPE TYPE STRING,
OTHER_ID TYPE STRING,
OTHER_NAME TYPE STRING,
OTHER_SHORT TYPE STRING,
OTHER_ROLE_ID TYPE STRING,
R_APPER_TYPE TYPE STRING,
R_APPER_ID TYPE STRING,
R_APPER_NAME TYPE STRING,
R_APPER_SHORT TYPE STRING,
R_PART_APPER_TYPE TYPE STRING,
R_PART_APPER_ID TYPE STRING,
R_PART_APPER_NAME TYPE STRING,
R_PART_APPER_SHORT TYPE STRING,
R_PART_APPER_ROLE_ID TYPE STRING,
R_PART_WEIGHTING TYPE STRING,
R_PART_SEQUENCE TYPE STRING,
R_PART_COMPLETED TYPE STRING,
R_PART_DATE_EARLIEST TYPE STRING,
R_PART_DATE_LATEST TYPE STRING,
R_OTHER_TYPE TYPE STRING,
R_OTHER_ID TYPE STRING,
R_OTHER_NAME TYPE STRING,
R_OTHER_SHORT TYPE STRING,
R_OTHER_ROLE_ID TYPE STRING,
DELIMIT_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HAPCN_S_DYNP_5000_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_HAPCN_S_DYNP_5000_STR-PLAN_VERSION sy-vline 
WA_HAPCN_S_DYNP_5000_STR-TEMPLATE_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-APPRAISAL_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_AP_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-AP_START_DATE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-AP_END_DATE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-APPER_TYPE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-APPER_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-APPER_NAME sy-vline 
WA_HAPCN_S_DYNP_5000_STR-APPER_SHORT sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_APPER_TYPE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_APPER_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_APPER_NAME sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_APPER_SHORT sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_APPER_ROLE_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_WEIGHTING sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_SEQUENCE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_COMPLETED sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_DATE_EARLIEST sy-vline 
WA_HAPCN_S_DYNP_5000_STR-PART_DATE_LATEST sy-vline 
WA_HAPCN_S_DYNP_5000_STR-OTHER_TYPE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-OTHER_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-OTHER_NAME sy-vline 
WA_HAPCN_S_DYNP_5000_STR-OTHER_SHORT sy-vline 
WA_HAPCN_S_DYNP_5000_STR-OTHER_ROLE_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_APPER_TYPE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_APPER_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_APPER_NAME sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_APPER_SHORT sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_APPER_TYPE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_APPER_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_APPER_NAME sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_APPER_SHORT sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_APPER_ROLE_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_WEIGHTING sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_SEQUENCE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_COMPLETED sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_DATE_EARLIEST sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_PART_DATE_LATEST sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_OTHER_TYPE sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_OTHER_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_OTHER_NAME sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_OTHER_SHORT sy-vline 
WA_HAPCN_S_DYNP_5000_STR-R_OTHER_ROLE_ID sy-vline 
WA_HAPCN_S_DYNP_5000_STR-DELIMIT_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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