ABAP Select data from SAP table RCJ_RPSCO_LIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCJ_RPSCO_LIS
*  INTO TABLE @DATA(IT_RCJ_RPSCO_LIS2).
*--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_RCJ_RPSCO_LIS INDEX 1 INTO DATA(WA_RCJ_RPSCO_LIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCJ_RPSCO_LIS>-PROKSTPLAN = 1.
<RCJ_RPSCO_LIS>-PROKSTPLN2 = 1.
<RCJ_RPSCO_LIS>-AUFKSTPLAN = 1.
<RCJ_RPSCO_LIS>-AUFKSTPLN2 = 1.
<RCJ_RPSCO_LIS>-PROERLPLAN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCJ_RPSCO_LIS-PROERLPLN2, sy-vline,
  WA_RCJ_RPSCO_LIS-AUFERLPLAN, sy-vline,
  WA_RCJ_RPSCO_LIS-AUFERLPLN2, sy-vline,
  WA_RCJ_RPSCO_LIS-KREDFINPLN, sy-vline,
  WA_RCJ_RPSCO_LIS-DEBFINPLN, sy-vline,
  WA_RCJ_RPSCO_LIS-BUDGET, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCJ_RPSCO_LIS 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_RCJ_RPSCO_LIS 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_RCJ_RPSCO_LIS INTO WA_RCJ_RPSCO_LIS.


*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_RCJ_RPSCO_LIS_STR, 
PROKSTPLAN TYPE STRING,
PROKSTPLN2 TYPE STRING,
AUFKSTPLAN TYPE STRING,
AUFKSTPLN2 TYPE STRING,
PROERLPLAN TYPE STRING,
PROERLPLN2 TYPE STRING,
AUFERLPLAN TYPE STRING,
AUFERLPLN2 TYPE STRING,
KREDFINPLN TYPE STRING,
DEBFINPLN TYPE STRING,
BUDGET TYPE STRING,
FREIGABE TYPE STRING,
AUFTRANF TYPE STRING,
FESTPROBL TYPE STRING,
KSTOBLGES TYPE STRING,
ISTKOSTEN TYPE STRING,
ISTERLOESE TYPE STRING,
KZHLNG TYPE STRING,
DZHLNG TYPE STRING,
PROKSTPLAN_OC TYPE STRING,
PROKSTPLN2_OC TYPE STRING,
AUFKSTPLAN_OC TYPE STRING,
AUFKSTPLN2_OC TYPE STRING,
PROERLPLAN_OC TYPE STRING,
PROERLPLN2_OC TYPE STRING,
AUFERLPLAN_OC TYPE STRING,
AUFERLPLN2_OC TYPE STRING,
KREDFINPLN_OC TYPE STRING,
DEBFINPLN_OC TYPE STRING,
BUDGET_OC TYPE STRING,
FREIGABE_OC TYPE STRING,
AUFTRANF_OC TYPE STRING,
FESTPROBL_OC TYPE STRING,
KSTOBLGES_OC TYPE STRING,
ISTKOSTEN_OC TYPE STRING,
ISTERLOESE_OC TYPE STRING,
KZHLNG_OC TYPE STRING,
DZHLNG_OC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCJ_RPSCO_LIS_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_RCJ_RPSCO_LIS_STR-PROKSTPLAN sy-vline 
WA_RCJ_RPSCO_LIS_STR-PROKSTPLN2 sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFKSTPLAN sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFKSTPLN2 sy-vline 
WA_RCJ_RPSCO_LIS_STR-PROERLPLAN sy-vline 
WA_RCJ_RPSCO_LIS_STR-PROERLPLN2 sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFERLPLAN sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFERLPLN2 sy-vline 
WA_RCJ_RPSCO_LIS_STR-KREDFINPLN sy-vline 
WA_RCJ_RPSCO_LIS_STR-DEBFINPLN sy-vline 
WA_RCJ_RPSCO_LIS_STR-BUDGET sy-vline 
WA_RCJ_RPSCO_LIS_STR-FREIGABE sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFTRANF sy-vline 
WA_RCJ_RPSCO_LIS_STR-FESTPROBL sy-vline 
WA_RCJ_RPSCO_LIS_STR-KSTOBLGES sy-vline 
WA_RCJ_RPSCO_LIS_STR-ISTKOSTEN sy-vline 
WA_RCJ_RPSCO_LIS_STR-ISTERLOESE sy-vline 
WA_RCJ_RPSCO_LIS_STR-KZHLNG sy-vline 
WA_RCJ_RPSCO_LIS_STR-DZHLNG sy-vline 
WA_RCJ_RPSCO_LIS_STR-PROKSTPLAN_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-PROKSTPLN2_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFKSTPLAN_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFKSTPLN2_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-PROERLPLAN_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-PROERLPLN2_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFERLPLAN_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFERLPLN2_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-KREDFINPLN_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-DEBFINPLN_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-BUDGET_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-FREIGABE_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-AUFTRANF_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-FESTPROBL_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-KSTOBLGES_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-ISTKOSTEN_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-ISTERLOESE_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-KZHLNG_OC sy-vline 
WA_RCJ_RPSCO_LIS_STR-DZHLNG_OC sy-vline      INTO ld_text SEPARATED BY SPACE.

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