ABAP Select data from SAP table PNO_SPK_CLS_EMPMSG_V01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PNO_SPK_CLS_EMPMSG_V01 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 PNO_SPK_CLS_EMPMSG_V01. 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 PNO_SPK_CLS_EMPMSG_V01 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_PNO_SPK_CLS_EMPMSG_V01 TYPE STANDARD TABLE OF PNO_SPK_CLS_EMPMSG_V01,
      WA_PNO_SPK_CLS_EMPMSG_V01 TYPE PNO_SPK_CLS_EMPMSG_V01,
      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: <PNO_SPK_CLS_EMPMSG_V01> TYPE PNO_SPK_CLS_EMPMSG_V01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PNO_SPK_CLS_EMPMSG_V01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PNO_SPK_CLS_EMPMSG_V01
  INTO TABLE IT_PNO_SPK_CLS_EMPMSG_V01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PNO_SPK_CLS_EMPMSG_V01
*  INTO TABLE @DATA(IT_PNO_SPK_CLS_EMPMSG_V012).
*--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_PNO_SPK_CLS_EMPMSG_V01 INDEX 1 INTO DATA(WA_PNO_SPK_CLS_EMPMSG_V012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PNO_SPK_CLS_EMPMSG_V01 ASSIGNING <PNO_SPK_CLS_EMPMSG_V01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PNO_SPK_CLS_EMPMSG_V01>-TYPE = 1.
<PNO_SPK_CLS_EMPMSG_V01>-VERSJ = 1.
<PNO_SPK_CLS_EMPMSG_V01>-RAPPD = 1.
<PNO_SPK_CLS_EMPMSG_V01>-FMR = 1.
<PNO_SPK_CLS_EMPMSG_V01>-ORGJU = 1.

ENDLOOP.

LOOP AT IT_PNO_SPK_CLS_EMPMSG_V01 INTO WA_PNO_SPK_CLS_EMPMSG_V01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PNO_SPK_CLS_EMPMSG_V01-NAVNE, sy-vline,
  WA_PNO_SPK_CLS_EMPMSG_V01-NAVNF, sy-vline,
  WA_PNO_SPK_CLS_EMPMSG_V01-ADR, sy-vline,
  WA_PNO_SPK_CLS_EMPMSG_V01-PSTNR, sy-vline,
  WA_PNO_SPK_CLS_EMPMSG_V01-PSTART, sy-vline,
  WA_PNO_SPK_CLS_EMPMSG_V01-SLUTT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PNO_SPK_CLS_EMPMSG_V01 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_PNO_SPK_CLS_EMPMSG_V01 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_PNO_SPK_CLS_EMPMSG_V01 INTO WA_PNO_SPK_CLS_EMPMSG_V01.


*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_PNO_SPK_CLS_EMPMSG_V01_STR, 
TYPE TYPE STRING,
VERSJ TYPE STRING,
RAPPD TYPE STRING,
FMR TYPE STRING,
ORGJU TYPE STRING,
NAVNE TYPE STRING,
NAVNF TYPE STRING,
ADR TYPE STRING,
PSTNR TYPE STRING,
PSTART TYPE STRING,
SLUTT TYPE STRING,
AKSJD TYPE STRING,
STLK TYPE STRING,
STLB TYPE STRING,
DELT TYPE STRING,
LTR TYPE STRING,
REG TYPE STRING,
HLONN TYPE STRING,
TILLF TYPE STRING,
TILLV TYPE STRING,
TILLJ TYPE STRING,
FUNG TYPE STRING,
PERMI TYPE STRING,
PERMA TYPE STRING,
PERMV TYPE STRING,
ALDGR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PNO_SPK_CLS_EMPMSG_V01_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_PNO_SPK_CLS_EMPMSG_V01_STR-TYPE sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-VERSJ sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-RAPPD sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-FMR sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-ORGJU sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-NAVNE sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-NAVNF sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-ADR sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-PSTNR sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-PSTART sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-SLUTT sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-AKSJD sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-STLK sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-STLB sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-DELT sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-LTR sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-REG sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-HLONN sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-TILLF sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-TILLV sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-TILLJ sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-FUNG sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-PERMI sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-PERMA sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-PERMV sy-vline 
WA_PNO_SPK_CLS_EMPMSG_V01_STR-ALDGR sy-vline      INTO ld_text SEPARATED BY SPACE.

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