ABAP Select data from SAP table BAPIHR1026 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIHR1026 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 BAPIHR1026. 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 BAPIHR1026 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_BAPIHR1026 TYPE STANDARD TABLE OF BAPIHR1026,
      WA_BAPIHR1026 TYPE BAPIHR1026,
      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: <BAPIHR1026> TYPE BAPIHR1026.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIHR1026.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIHR1026
  INTO TABLE IT_BAPIHR1026.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIHR1026
*  INTO TABLE @DATA(IT_BAPIHR10262).
*--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_BAPIHR1026 INDEX 1 INTO DATA(WA_BAPIHR10262).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIHR1026 ASSIGNING <BAPIHR1026>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIHR1026>-CLIENT = 1.
<BAPIHR1026>-PLAN_VER = 1.
<BAPIHR1026>-OBJ_TYPE = 1.
<BAPIHR1026>-OBJ_ID = 1.
<BAPIHR1026>-INFOTYPE = 1.

ENDLOOP.

LOOP AT IT_BAPIHR1026 INTO WA_BAPIHR1026.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIHR1026-SUBTYPE, sy-vline,
  WA_BAPIHR1026-PL_STATUS, sy-vline,
  WA_BAPIHR1026-PRIORITY, sy-vline,
  WA_BAPIHR1026-FROM_DATE, sy-vline,
  WA_BAPIHR1026-TO_DATE, sy-vline,
  WA_BAPIHR1026-VAR_FIELD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIHR1026 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_BAPIHR1026 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_BAPIHR1026 INTO WA_BAPIHR1026.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIHR1026-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIHR1026-LANGU.
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_BAPIHR1026_STR, 
CLIENT TYPE STRING,
PLAN_VER TYPE STRING,
OBJ_TYPE TYPE STRING,
OBJ_ID TYPE STRING,
INFOTYPE TYPE STRING,
SUBTYPE TYPE STRING,
PL_STATUS TYPE STRING,
PRIORITY TYPE STRING,
FROM_DATE TYPE STRING,
TO_DATE TYPE STRING,
VAR_FIELD TYPE STRING,
IT_REC_NO TYPE STRING,
CHANGED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
REASON TYPE STRING,
HIST_FLAG TYPE STRING,
IT_TXT_MOD TYPE STRING,
LANGU TYPE STRING,
LANGU_ISO TYPE STRING,
LOCKFLAG TYPE STRING,
DELETEFLAG TYPE STRING,
EVENTEXTERN TYPE STRING,
SESSION TYPE STRING,
CANCELLATION_REASON TYPE STRING,
BOOKEDATTENDANCES TYPE STRING,
WAITINGLIST TYPE STRING,
NORMALBOOKINGS TYPE STRING,
UPTODATEFLAG TYPE STRING,
FOLLOWUPFLAG TYPE STRING,
NO_DAYS_OFF TYPE STRING,
START_DAY_AS_IN_SCHEDULE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIHR1026_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_BAPIHR1026_STR-CLIENT sy-vline 
WA_BAPIHR1026_STR-PLAN_VER sy-vline 
WA_BAPIHR1026_STR-OBJ_TYPE sy-vline 
WA_BAPIHR1026_STR-OBJ_ID sy-vline 
WA_BAPIHR1026_STR-INFOTYPE sy-vline 
WA_BAPIHR1026_STR-SUBTYPE sy-vline 
WA_BAPIHR1026_STR-PL_STATUS sy-vline 
WA_BAPIHR1026_STR-PRIORITY sy-vline 
WA_BAPIHR1026_STR-FROM_DATE sy-vline 
WA_BAPIHR1026_STR-TO_DATE sy-vline 
WA_BAPIHR1026_STR-VAR_FIELD sy-vline 
WA_BAPIHR1026_STR-IT_REC_NO sy-vline 
WA_BAPIHR1026_STR-CHANGED_ON sy-vline 
WA_BAPIHR1026_STR-CHANGED_BY sy-vline 
WA_BAPIHR1026_STR-REASON sy-vline 
WA_BAPIHR1026_STR-HIST_FLAG sy-vline 
WA_BAPIHR1026_STR-IT_TXT_MOD sy-vline 
WA_BAPIHR1026_STR-LANGU sy-vline 
WA_BAPIHR1026_STR-LANGU_ISO sy-vline 
WA_BAPIHR1026_STR-LOCKFLAG sy-vline 
WA_BAPIHR1026_STR-DELETEFLAG sy-vline 
WA_BAPIHR1026_STR-EVENTEXTERN sy-vline 
WA_BAPIHR1026_STR-SESSION sy-vline 
WA_BAPIHR1026_STR-CANCELLATION_REASON sy-vline 
WA_BAPIHR1026_STR-BOOKEDATTENDANCES sy-vline 
WA_BAPIHR1026_STR-WAITINGLIST sy-vline 
WA_BAPIHR1026_STR-NORMALBOOKINGS sy-vline 
WA_BAPIHR1026_STR-UPTODATEFLAG sy-vline 
WA_BAPIHR1026_STR-FOLLOWUPFLAG sy-vline 
WA_BAPIHR1026_STR-NO_DAYS_OFF sy-vline 
WA_BAPIHR1026_STR-START_DAY_AS_IN_SCHEDULE sy-vline      INTO ld_text SEPARATED BY SPACE.

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