ABAP Select data from SAP table BAPI_EHHSSS_INC_EHSM_RESTR_DUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_EHHSSS_INC_EHSM_RESTR_DUT
*  INTO TABLE @DATA(IT_BAPI_EHHSSS_INC_EHSM_RESTR_DUT2).
*--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_BAPI_EHHSSS_INC_EHSM_RESTR_DUT INDEX 1 INTO DATA(WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_EHHSSS_INC_EHSM_RESTR_DUT>-SOURCE_NODE_NAME = 1.
<BAPI_EHHSSS_INC_EHSM_RESTR_DUT>-SOURCE_KEY = 1.
<BAPI_EHHSSS_INC_EHSM_RESTR_DUT>-SOURCE_PARENT_KEY = 1.
<BAPI_EHHSSS_INC_EHSM_RESTR_DUT>-NODE_KEY_REF = 1.
<BAPI_EHHSSS_INC_EHSM_RESTR_DUT>-KEY_REF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-TYPE, sy-vline,
  WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-SUBTYPE, sy-vline,
  WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-START_DATE, sy-vline,
  WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-END_DATE, sy-vline,
  WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-START_TIMESTAMP, sy-vline,
  WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-END_TIMESTAMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT 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_BAPI_EHHSSS_INC_EHSM_RESTR_DUT 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_BAPI_EHHSSS_INC_EHSM_RESTR_DUT INTO WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT.


*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 THHMM, internal->external for field START_TIME
CALL FUNCTION 'CONVERSION_EXIT_THHMM_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-START_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-START_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit THHMM, internal->external for field END_TIME
CALL FUNCTION 'CONVERSION_EXIT_THHMM_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-END_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT-END_TIME.
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_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR, 
SOURCE_NODE_NAME TYPE STRING,
SOURCE_KEY TYPE STRING,
SOURCE_PARENT_KEY TYPE STRING,
NODE_KEY_REF TYPE STRING,
KEY_REF TYPE STRING,
TYPE TYPE STRING,
SUBTYPE TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
START_TIMESTAMP TYPE STRING,
END_TIMESTAMP TYPE STRING,
END_EST_DATE TYPE STRING,
PERMANENT_IND TYPE STRING,
JOB_TRANSFER_IND TYPE STRING,
WORK_DAY_MEAS TYPE STRING,
CAL_DAY_MEAS TYPE STRING,
CON_PAY_END_DATE TYPE STRING,
FROM_PROXY_IND TYPE STRING,
START_TIME_ZONE TYPE STRING,
END_TIME_ZONE TYPE STRING,
TXC_DESC_KEY TYPE STRING,
START_TIME TYPE STRING,
END_TIME TYPE STRING,
PERS_NUMBER TYPE STRING,
OBJECT_ID TYPE STRING,
HR_MAST_DATA_IND TYPE STRING,
IT_SAME_VAL_IND TYPE STRING,
A_LOST_SH_MEAS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_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_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-SOURCE_NODE_NAME sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-SOURCE_KEY sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-SOURCE_PARENT_KEY sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-NODE_KEY_REF sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-KEY_REF sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-TYPE sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-SUBTYPE sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-START_DATE sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-END_DATE sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-START_TIMESTAMP sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-END_TIMESTAMP sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-END_EST_DATE sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-PERMANENT_IND sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-JOB_TRANSFER_IND sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-WORK_DAY_MEAS sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-CAL_DAY_MEAS sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-CON_PAY_END_DATE sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-FROM_PROXY_IND sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-START_TIME_ZONE sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-END_TIME_ZONE sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-TXC_DESC_KEY sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-START_TIME sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-END_TIME sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-PERS_NUMBER sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-OBJECT_ID sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-HR_MAST_DATA_IND sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-IT_SAME_VAL_IND sy-vline 
WA_BAPI_EHHSSS_INC_EHSM_RESTR_DUT_STR-A_LOST_SH_MEAS sy-vline      INTO ld_text SEPARATED BY SPACE.

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