ABAP Select data from SAP table /PLMB/S_PPE_SIMULATION_INIT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMB/S_PPE_SIMULATION_INIT 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 /PLMB/S_PPE_SIMULATION_INIT. 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 /PLMB/S_PPE_SIMULATION_INIT 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_/PLMB/S_PPE_SIMULATION_INIT TYPE STANDARD TABLE OF /PLMB/S_PPE_SIMULATION_INIT,
      WA_/PLMB/S_PPE_SIMULATION_INIT TYPE /PLMB/S_PPE_SIMULATION_INIT,
      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: </PLMB/S_PPE_SIMULATION_INIT> TYPE /PLMB/S_PPE_SIMULATION_INIT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PLMB/S_PPE_SIMULATION_INIT
  INTO TABLE IT_/PLMB/S_PPE_SIMULATION_INIT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMB/S_PPE_SIMULATION_INIT
*  INTO TABLE @DATA(IT_/PLMB/S_PPE_SIMULATION_INIT2).
*--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_/PLMB/S_PPE_SIMULATION_INIT INDEX 1 INTO DATA(WA_/PLMB/S_PPE_SIMULATION_INIT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PLMB/S_PPE_SIMULATION_INIT ASSIGNING </PLMB/S_PPE_SIMULATION_INIT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMB/S_PPE_SIMULATION_INIT>-SIMULATION_ACCESS = 1.
</PLMB/S_PPE_SIMULATION_INIT>-SIMULATION_USAGE = 1.
</PLMB/S_PPE_SIMULATION_INIT>-ACTIVE_SIMULATION = 1.
</PLMB/S_PPE_SIMULATION_INIT>-USER_PPE_USE = 1.
</PLMB/S_PPE_SIMULATION_INIT>-USER_PLANT = 1.

ENDLOOP.

LOOP AT IT_/PLMB/S_PPE_SIMULATION_INIT INTO WA_/PLMB/S_PPE_SIMULATION_INIT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMB/S_PPE_SIMULATION_INIT-USER_DATE, sy-vline,
  WA_/PLMB/S_PPE_SIMULATION_INIT-USER_SIMULATION_NAME, sy-vline,
  WA_/PLMB/S_PPE_SIMULATION_INIT-USER_BOM_APPL, sy-vline,
  WA_/PLMB/S_PPE_SIMULATION_INIT-BOM_APPLICATION, sy-vline,
  WA_/PLMB/S_PPE_SIMULATION_INIT-USER_BOM_PLANT, sy-vline,
  WA_/PLMB/S_PPE_SIMULATION_INIT-LOADED_SIMULATION_CHANGED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMB/S_PPE_SIMULATION_INIT 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_/PLMB/S_PPE_SIMULATION_INIT 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_/PLMB/S_PPE_SIMULATION_INIT INTO WA_/PLMB/S_PPE_SIMULATION_INIT.


*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_/PLMB/S_PPE_SIMULATION_INIT_STR, 
SIMULATION_ACCESS TYPE STRING,
SIMULATION_USAGE TYPE STRING,
ACTIVE_SIMULATION TYPE STRING,
USER_PPE_USE TYPE STRING,
USER_PLANT TYPE STRING,
USER_DATE TYPE STRING,
USER_SIMULATION_NAME TYPE STRING,
USER_BOM_APPL TYPE STRING,
BOM_APPLICATION TYPE STRING,
USER_BOM_PLANT TYPE STRING,
LOADED_SIMULATION_CHANGED TYPE STRING,
PPEUSE TYPE STRING,
PLANT TYPE STRING,
PREF_TREE TYPE STRING,
CLASS TYPE STRING,
SIM_ACT TYPE STRING,
SIM_DATE TYPE STRING,
SIM_NAME TYPE STRING,
SIMULATION_DESCR TYPE STRING,
APPLY_SIM TYPE STRING,
PROFILE TYPE STRING,
READ_SUB TYPE STRING,
BOM_USAGE TYPE STRING,
BOM_APP TYPE STRING,
BOM_PLANT TYPE STRING,
PREF_TREE_ID TYPE STRING,
DMT_GRID_VIEW TYPE STRING,
CHANGE_NO TYPE STRING,
SAM_IS_ACTIVE TYPE STRING,
SIMULATION_EXT_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMB/S_PPE_SIMULATION_INIT_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_/PLMB/S_PPE_SIMULATION_INIT_STR-SIMULATION_ACCESS sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-SIMULATION_USAGE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-ACTIVE_SIMULATION sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-USER_PPE_USE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-USER_PLANT sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-USER_DATE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-USER_SIMULATION_NAME sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-USER_BOM_APPL sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-BOM_APPLICATION sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-USER_BOM_PLANT sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-LOADED_SIMULATION_CHANGED sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-PPEUSE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-PLANT sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-PREF_TREE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-CLASS sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-SIM_ACT sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-SIM_DATE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-SIM_NAME sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-SIMULATION_DESCR sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-APPLY_SIM sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-PROFILE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-READ_SUB sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-BOM_USAGE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-BOM_APP sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-BOM_PLANT sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-PREF_TREE_ID sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-DMT_GRID_VIEW sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-CHANGE_NO sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-SAM_IS_ACTIVE sy-vline 
WA_/PLMB/S_PPE_SIMULATION_INIT_STR-SIMULATION_EXT_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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