ABAP Select data from SAP table EHSKS_KPI_ASSPERSPROT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHSKS_KPI_ASSPERSPROT
*  INTO TABLE @DATA(IT_EHSKS_KPI_ASSPERSPROT2).
*--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_EHSKS_KPI_ASSPERSPROT INDEX 1 INTO DATA(WA_EHSKS_KPI_ASSPERSPROT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHSKS_KPI_ASSPERSPROT>-PNUMBER = 1.
<EHSKS_KPI_ASSPERSPROT>-PNAME = 1.
<EHSKS_KPI_ASSPERSPROT>-PGROUP = 1.
<EHSKS_KPI_ASSPERSPROT>-PGROUPNAM = 1.
<EHSKS_KPI_ASSPERSPROT>-NEXT_SCHED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHSKS_KPI_ASSPERSPROT-LAST_SCHED, sy-vline,
  WA_EHSKS_KPI_ASSPERSPROT-STATUS_SCHED, sy-vline,
  WA_EHSKS_KPI_ASSPERSPROT-PROT_TYPE, sy-vline,
  WA_EHSKS_KPI_ASSPERSPROT-PROT_TYPENAM, sy-vline,
  WA_EHSKS_KPI_ASSPERSPROT-STATUS_PROT, sy-vline,
  WA_EHSKS_KPI_ASSPERSPROT-STATUSNAM_PROT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHSKS_KPI_ASSPERSPROT 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_EHSKS_KPI_ASSPERSPROT 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_EHSKS_KPI_ASSPERSPROT INTO WA_EHSKS_KPI_ASSPERSPROT.


*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 ALPHA, internal->external for field HEALTHCENTRE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSKS_KPI_ASSPERSPROT-HEALTHCENTRE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSKS_KPI_ASSPERSPROT-HEALTHCENTRE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CHRID, internal->external for field WAID
CALL FUNCTION 'CONVERSION_EXIT_CHRID_OUTPUT'
  EXPORTING
    input =                      WA_EHSKS_KPI_ASSPERSPROT-WAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSKS_KPI_ASSPERSPROT-WAID.
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_EHSKS_KPI_ASSPERSPROT_STR, 
PNUMBER TYPE STRING,
PNAME TYPE STRING,
PGROUP TYPE STRING,
PGROUPNAM TYPE STRING,
NEXT_SCHED TYPE STRING,
LAST_SCHED TYPE STRING,
STATUS_SCHED TYPE STRING,
PROT_TYPE TYPE STRING,
PROT_TYPENAM TYPE STRING,
STATUS_PROT TYPE STRING,
STATUSNAM_PROT TYPE STRING,
HEALTHCENTRE TYPE STRING,
HEACENNAM TYPE STRING,
PERNR TYPE STRING,
PERSGRP TYPE STRING,
PERSGRP_TXT TYPE STRING,
PVORNA TYPE STRING,
PNACHN TYPE STRING,
PCNAME TYPE STRING,
PERSA TYPE STRING,
BTRTL TYPE STRING,
WAPLANT TYPE STRING,
WAPLANTNAM TYPE STRING,
WAID TYPE STRING,
WANAM TYPE STRING,
WATYPE TYPE STRING,
WATYPENAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHSKS_KPI_ASSPERSPROT_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_EHSKS_KPI_ASSPERSPROT_STR-PNUMBER sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PNAME sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PGROUP sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PGROUPNAM sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-NEXT_SCHED sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-LAST_SCHED sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-STATUS_SCHED sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PROT_TYPE sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PROT_TYPENAM sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-STATUS_PROT sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-STATUSNAM_PROT sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-HEALTHCENTRE sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-HEACENNAM sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PERNR sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PERSGRP sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PERSGRP_TXT sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PVORNA sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PNACHN sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PCNAME sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-PERSA sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-BTRTL sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-WAPLANT sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-WAPLANTNAM sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-WAID sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-WANAM sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-WATYPE sy-vline 
WA_EHSKS_KPI_ASSPERSPROT_STR-WATYPENAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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