ABAP Select data from SAP table PCO_PARAMS_SS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCO_PARAMS_SS
*  INTO TABLE @DATA(IT_PCO_PARAMS_SS2).
*--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_PCO_PARAMS_SS INDEX 1 INTO DATA(WA_PCO_PARAMS_SS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCO_PARAMS_SS>-CONDT = 1.
<PCO_PARAMS_SS>-PROJH = 1.
<PCO_PARAMS_SS>-PROJV = 1.
<PCO_PARAMS_SS>-BASPH = 1.
<PCO_PARAMS_SS>-BASPP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCO_PARAMS_SS-PROPH, sy-vline,
  WA_PCO_PARAMS_SS-COLLS, sy-vline,
  WA_PCO_PARAMS_SS-MAUTH, sy-vline,
  WA_PCO_PARAMS_SS-COST1, sy-vline,
  WA_PCO_PARAMS_SS-COST2, sy-vline,
  WA_PCO_PARAMS_SS-COST3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCO_PARAMS_SS 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_PCO_PARAMS_SS 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_PCO_PARAMS_SS INTO WA_PCO_PARAMS_SS.


*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_PCO_PARAMS_SS_STR, 
CONDT TYPE STRING,
PROJH TYPE STRING,
PROJV TYPE STRING,
BASPH TYPE STRING,
BASPP TYPE STRING,
PROPH TYPE STRING,
COLLS TYPE STRING,
MAUTH TYPE STRING,
COST1 TYPE STRING,
COST2 TYPE STRING,
COST3 TYPE STRING,
COST4 TYPE STRING,
COST5 TYPE STRING,
COST6 TYPE STRING,
COST7 TYPE STRING,
COST8 TYPE STRING,
COSML TYPE STRING,
COSB1 TYPE STRING,
COSB2 TYPE STRING,
COSE1 TYPE STRING,
COSE2 TYPE STRING,
COSIN TYPE STRING,
COSP1 TYPE STRING,
COSP2 TYPE STRING,
COSP3 TYPE STRING,
COSP4 TYPE STRING,
COFSP TYPE STRING,
COSFC TYPE STRING,
CENTR TYPE STRING,
COSEL TYPE STRING,
COSEM TYPE STRING,
COSBL TYPE STRING,
COSBM TYPE STRING,
COSPE TYPE STRING,
COSRM TYPE STRING,
COSRX TYPE STRING,
BSOLI TYPE STRING,
APLNS TYPE STRING,
APLNP TYPE STRING,
APLNF TYPE STRING,
APLIC TYPE STRING,
WAERS TYPE STRING,
PERSB TYPE STRING,
PERFS TYPE STRING,
PEASB TYPE STRING,
ASUDI TYPE STRING,
LNRFS TYPE STRING,
RS610 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCO_PARAMS_SS_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_PCO_PARAMS_SS_STR-CONDT sy-vline 
WA_PCO_PARAMS_SS_STR-PROJH sy-vline 
WA_PCO_PARAMS_SS_STR-PROJV sy-vline 
WA_PCO_PARAMS_SS_STR-BASPH sy-vline 
WA_PCO_PARAMS_SS_STR-BASPP sy-vline 
WA_PCO_PARAMS_SS_STR-PROPH sy-vline 
WA_PCO_PARAMS_SS_STR-COLLS sy-vline 
WA_PCO_PARAMS_SS_STR-MAUTH sy-vline 
WA_PCO_PARAMS_SS_STR-COST1 sy-vline 
WA_PCO_PARAMS_SS_STR-COST2 sy-vline 
WA_PCO_PARAMS_SS_STR-COST3 sy-vline 
WA_PCO_PARAMS_SS_STR-COST4 sy-vline 
WA_PCO_PARAMS_SS_STR-COST5 sy-vline 
WA_PCO_PARAMS_SS_STR-COST6 sy-vline 
WA_PCO_PARAMS_SS_STR-COST7 sy-vline 
WA_PCO_PARAMS_SS_STR-COST8 sy-vline 
WA_PCO_PARAMS_SS_STR-COSML sy-vline 
WA_PCO_PARAMS_SS_STR-COSB1 sy-vline 
WA_PCO_PARAMS_SS_STR-COSB2 sy-vline 
WA_PCO_PARAMS_SS_STR-COSE1 sy-vline 
WA_PCO_PARAMS_SS_STR-COSE2 sy-vline 
WA_PCO_PARAMS_SS_STR-COSIN sy-vline 
WA_PCO_PARAMS_SS_STR-COSP1 sy-vline 
WA_PCO_PARAMS_SS_STR-COSP2 sy-vline 
WA_PCO_PARAMS_SS_STR-COSP3 sy-vline 
WA_PCO_PARAMS_SS_STR-COSP4 sy-vline 
WA_PCO_PARAMS_SS_STR-COFSP sy-vline 
WA_PCO_PARAMS_SS_STR-COSFC sy-vline 
WA_PCO_PARAMS_SS_STR-CENTR sy-vline 
WA_PCO_PARAMS_SS_STR-COSEL sy-vline 
WA_PCO_PARAMS_SS_STR-COSEM sy-vline 
WA_PCO_PARAMS_SS_STR-COSBL sy-vline 
WA_PCO_PARAMS_SS_STR-COSBM sy-vline 
WA_PCO_PARAMS_SS_STR-COSPE sy-vline 
WA_PCO_PARAMS_SS_STR-COSRM sy-vline 
WA_PCO_PARAMS_SS_STR-COSRX sy-vline 
WA_PCO_PARAMS_SS_STR-BSOLI sy-vline 
WA_PCO_PARAMS_SS_STR-APLNS sy-vline 
WA_PCO_PARAMS_SS_STR-APLNP sy-vline 
WA_PCO_PARAMS_SS_STR-APLNF sy-vline 
WA_PCO_PARAMS_SS_STR-APLIC sy-vline 
WA_PCO_PARAMS_SS_STR-WAERS sy-vline 
WA_PCO_PARAMS_SS_STR-PERSB sy-vline 
WA_PCO_PARAMS_SS_STR-PERFS sy-vline 
WA_PCO_PARAMS_SS_STR-PEASB sy-vline 
WA_PCO_PARAMS_SS_STR-ASUDI sy-vline 
WA_PCO_PARAMS_SS_STR-LNRFS sy-vline 
WA_PCO_PARAMS_SS_STR-RS610 sy-vline      INTO ld_text SEPARATED BY SPACE.

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