ABAP Select data from SAP table EAM_S_PLKOD_UP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAM_S_PLKOD_UP
*  INTO TABLE @DATA(IT_EAM_S_PLKOD_UP2).
*--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_EAM_S_PLKOD_UP INDEX 1 INTO DATA(WA_EAM_S_PLKOD_UP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAM_S_PLKOD_UP>-PLNNR = 1.
<EAM_S_PLKOD_UP>-PLNTY = 1.
<EAM_S_PLKOD_UP>-PLNAL = 1.
<EAM_S_PLKOD_UP>-KTEXT = 1.
<EAM_S_PLKOD_UP>-VERWE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAM_S_PLKOD_UP-VAGRP, sy-vline,
  WA_EAM_S_PLKOD_UP-STATU, sy-vline,
  WA_EAM_S_PLKOD_UP-ANLZU, sy-vline,
  WA_EAM_S_PLKOD_UP-STRAT, sy-vline,
  WA_EAM_S_PLKOD_UP-ISTRU, sy-vline,
  WA_EAM_S_PLKOD_UP-ARBPL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAM_S_PLKOD_UP 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_EAM_S_PLKOD_UP 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_EAM_S_PLKOD_UP INTO WA_EAM_S_PLKOD_UP.


*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 PLNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EAM_S_PLKOD_UP-PLNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_S_PLKOD_UP-PLNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EAM_S_PLKOD_UP-PLNAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_S_PLKOD_UP-PLNAL.
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_EAM_S_PLKOD_UP_STR, 
PLNNR TYPE STRING,
PLNTY TYPE STRING,
PLNAL TYPE STRING,
KTEXT TYPE STRING,
VERWE TYPE STRING,
VAGRP TYPE STRING,
STATU TYPE STRING,
ANLZU TYPE STRING,
STRAT TYPE STRING,
ISTRU TYPE STRING,
ARBPL TYPE STRING,
SLWBEZ TYPE STRING,
EXTNUM TYPE STRING,
DELKZ TYPE STRING,
TL_EXTID TYPE STRING,
ADPSP TYPE STRING,
WERKS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAM_S_PLKOD_UP_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_EAM_S_PLKOD_UP_STR-PLNNR sy-vline 
WA_EAM_S_PLKOD_UP_STR-PLNTY sy-vline 
WA_EAM_S_PLKOD_UP_STR-PLNAL sy-vline 
WA_EAM_S_PLKOD_UP_STR-KTEXT sy-vline 
WA_EAM_S_PLKOD_UP_STR-VERWE sy-vline 
WA_EAM_S_PLKOD_UP_STR-VAGRP sy-vline 
WA_EAM_S_PLKOD_UP_STR-STATU sy-vline 
WA_EAM_S_PLKOD_UP_STR-ANLZU sy-vline 
WA_EAM_S_PLKOD_UP_STR-STRAT sy-vline 
WA_EAM_S_PLKOD_UP_STR-ISTRU sy-vline 
WA_EAM_S_PLKOD_UP_STR-ARBPL sy-vline 
WA_EAM_S_PLKOD_UP_STR-SLWBEZ sy-vline 
WA_EAM_S_PLKOD_UP_STR-EXTNUM sy-vline 
WA_EAM_S_PLKOD_UP_STR-DELKZ sy-vline 
WA_EAM_S_PLKOD_UP_STR-TL_EXTID sy-vline 
WA_EAM_S_PLKOD_UP_STR-ADPSP sy-vline 
WA_EAM_S_PLKOD_UP_STR-WERKS sy-vline      INTO ld_text SEPARATED BY SPACE.

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