ABAP Select data from SAP table PLATRM_S_PAR1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PLATRM_S_PAR1 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 PLATRM_S_PAR1. 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 PLATRM_S_PAR1 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_PLATRM_S_PAR1 TYPE STANDARD TABLE OF PLATRM_S_PAR1,
      WA_PLATRM_S_PAR1 TYPE PLATRM_S_PAR1,
      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: <PLATRM_S_PAR1> TYPE PLATRM_S_PAR1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PLATRM_S_PAR1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PLATRM_S_PAR1
  INTO TABLE IT_PLATRM_S_PAR1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PLATRM_S_PAR1
*  INTO TABLE @DATA(IT_PLATRM_S_PAR12).
*--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_PLATRM_S_PAR1 INDEX 1 INTO DATA(WA_PLATRM_S_PAR12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PLATRM_S_PAR1 ASSIGNING <PLATRM_S_PAR1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PLATRM_S_PAR1>-TDATE = 1.
<PLATRM_S_PAR1>-IGMED = 1.
<PLATRM_S_PAR1>-PRUNP = 1.
<PLATRM_S_PAR1>-PMDAT = 1.
<PLATRM_S_PAR1>-POADP = 1.

ENDLOOP.

LOOP AT IT_PLATRM_S_PAR1 INTO WA_PLATRM_S_PAR1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PLATRM_S_PAR1-PSIT0, sy-vline,
  WA_PLATRM_S_PAR1-MASSN, sy-vline,
  WA_PLATRM_S_PAR1-MASSG, sy-vline,
  WA_PLATRM_S_PAR1-PTEST, sy-vline,
  WA_PLATRM_S_PAR1-PRUNT, sy-vline,
  WA_PLATRM_S_PAR1-TTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PLATRM_S_PAR1 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_PLATRM_S_PAR1 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_PLATRM_S_PAR1 INTO WA_PLATRM_S_PAR1.


*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_PLATRM_S_PAR1_STR, 
TDATE TYPE STRING,
IGMED TYPE STRING,
PRUNP TYPE STRING,
PMDAT TYPE STRING,
POADP TYPE STRING,
PSIT0 TYPE STRING,
MASSN TYPE STRING,
MASSG TYPE STRING,
PTEST TYPE STRING,
PRUNT TYPE STRING,
TTYPE TYPE STRING,
TIPMX TYPE STRING,
TIPBR TYPE STRING,
TIPAR TYPE STRING,
TIPVE TYPE STRING,
TEEGR TYPE STRING,
ECPTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PLATRM_S_PAR1_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_PLATRM_S_PAR1_STR-TDATE sy-vline 
WA_PLATRM_S_PAR1_STR-IGMED sy-vline 
WA_PLATRM_S_PAR1_STR-PRUNP sy-vline 
WA_PLATRM_S_PAR1_STR-PMDAT sy-vline 
WA_PLATRM_S_PAR1_STR-POADP sy-vline 
WA_PLATRM_S_PAR1_STR-PSIT0 sy-vline 
WA_PLATRM_S_PAR1_STR-MASSN sy-vline 
WA_PLATRM_S_PAR1_STR-MASSG sy-vline 
WA_PLATRM_S_PAR1_STR-PTEST sy-vline 
WA_PLATRM_S_PAR1_STR-PRUNT sy-vline 
WA_PLATRM_S_PAR1_STR-TTYPE sy-vline 
WA_PLATRM_S_PAR1_STR-TIPMX sy-vline 
WA_PLATRM_S_PAR1_STR-TIPBR sy-vline 
WA_PLATRM_S_PAR1_STR-TIPAR sy-vline 
WA_PLATRM_S_PAR1_STR-TIPVE sy-vline 
WA_PLATRM_S_PAR1_STR-TEEGR sy-vline 
WA_PLATRM_S_PAR1_STR-ECPTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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