ABAP Select data from SAP table RCJ_PS_COST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RCJ_PS_COST 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_PS_COST. 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_PS_COST 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_PS_COST TYPE STANDARD TABLE OF RCJ_PS_COST,
      WA_RCJ_PS_COST TYPE RCJ_PS_COST,
      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_PS_COST> TYPE RCJ_PS_COST.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCJ_PS_COST
*  INTO TABLE @DATA(IT_RCJ_PS_COST2).
*--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_PS_COST INDEX 1 INTO DATA(WA_RCJ_PS_COST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCJ_PS_COST>-OBJNR = 1.
<RCJ_PS_COST>-GJAHR = 1.
<RCJ_PS_COST>-PERIO = 1.
<RCJ_PS_COST>-WAERS = 1.
<RCJ_PS_COST>-OWAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCJ_PS_COST-MEINH, sy-vline,
  WA_RCJ_PS_COST-PERIV, sy-vline,
  WA_RCJ_PS_COST-PROKSTPLAN, sy-vline,
  WA_RCJ_PS_COST-PROKSTPLN2, sy-vline,
  WA_RCJ_PS_COST-AUFKSTPLAN, sy-vline,
  WA_RCJ_PS_COST-AUFKSTPLN2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCJ_PS_COST 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_PS_COST 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_PS_COST INTO WA_RCJ_PS_COST.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RCJ_PS_COST-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCJ_PS_COST-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCJ_PS_COST-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCJ_PS_COST-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EV_PLAN_QUAN_ORG1_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCJ_PS_COST-EV_PLAN_QUAN_ORG1_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCJ_PS_COST-EV_PLAN_QUAN_ORG1_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EV_ACT_QUAN_ORG1_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCJ_PS_COST-EV_ACT_QUAN_ORG1_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCJ_PS_COST-EV_ACT_QUAN_ORG1_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EV_ACT_QUAN_CORR1_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCJ_PS_COST-EV_ACT_QUAN_CORR1_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCJ_PS_COST-EV_ACT_QUAN_CORR1_UNIT.
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_RCJ_PS_COST_STR, 
OBJNR TYPE STRING,
GJAHR TYPE STRING,
PERIO TYPE STRING,
WAERS TYPE STRING,
OWAERS TYPE STRING,
MEINH TYPE STRING,
PERIV TYPE STRING,
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,
EV_PLAN_ORG1 TYPE STRING,
EV_ACT_ORG1 TYPE STRING,
EV_ACT_CORR1 TYPE STRING,
EV_PLAN_QUAN_ORG1 TYPE STRING,
EV_PLAN_QUAN_ORG1_UNIT TYPE STRING,
EV_ACT_QUAN_ORG1 TYPE STRING,
EV_ACT_QUAN_ORG1_UNIT TYPE STRING,
EV_ACT_QUAN_CORR1 TYPE STRING,
EV_ACT_QUAN_CORR1_UNIT TYPE STRING,
POC_PLAN_ORG_AGG1 TYPE STRING,
POC_PLAN_ORG_NAGG1 TYPE STRING,
POC_ACT_ORG_AGG1 TYPE STRING,
POC_ACT_ORG_NAGG1 TYPE STRING,
POC_ACT_CORR_AGG1 TYPE STRING,
POC_ACT_CORR_NAGG1 TYPE STRING,
EV_COST_VAR_ORG TYPE STRING,
EV_SCHED_VAR_ORG TYPE STRING,
EV_COST_INDX_ORG TYPE STRING,
EV_SCHED_INDX_ORG TYPE STRING,
EV_COST_VAR_CORR TYPE STRING,
EV_SCHED_VAR_CORR TYPE STRING,
EV_COST_INDX_CORR TYPE STRING,
EV_SCHED_INDX_CORR TYPE STRING,
EV_PLAN_ORG1_OC TYPE STRING,
EV_ACT_ORG1_OC TYPE STRING,
EV_ACT_CORR1_OC TYPE STRING,
EV_COST_VAR_ORG_OC TYPE STRING,
EV_SCHED_VAR_ORG_OC TYPE STRING,
EV_SCHED_VAR_CORR_OC TYPE STRING,
EV_COST_VAR_CORR_OC TYPE STRING,
OBJEKTID TYPE STRING,
KURZTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCJ_PS_COST_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_PS_COST_STR-OBJNR sy-vline 
WA_RCJ_PS_COST_STR-GJAHR sy-vline 
WA_RCJ_PS_COST_STR-PERIO sy-vline 
WA_RCJ_PS_COST_STR-WAERS sy-vline 
WA_RCJ_PS_COST_STR-OWAERS sy-vline 
WA_RCJ_PS_COST_STR-MEINH sy-vline 
WA_RCJ_PS_COST_STR-PERIV sy-vline 
WA_RCJ_PS_COST_STR-PROKSTPLAN sy-vline 
WA_RCJ_PS_COST_STR-PROKSTPLN2 sy-vline 
WA_RCJ_PS_COST_STR-AUFKSTPLAN sy-vline 
WA_RCJ_PS_COST_STR-AUFKSTPLN2 sy-vline 
WA_RCJ_PS_COST_STR-PROERLPLAN sy-vline 
WA_RCJ_PS_COST_STR-PROERLPLN2 sy-vline 
WA_RCJ_PS_COST_STR-AUFERLPLAN sy-vline 
WA_RCJ_PS_COST_STR-AUFERLPLN2 sy-vline 
WA_RCJ_PS_COST_STR-KREDFINPLN sy-vline 
WA_RCJ_PS_COST_STR-DEBFINPLN sy-vline 
WA_RCJ_PS_COST_STR-BUDGET sy-vline 
WA_RCJ_PS_COST_STR-FREIGABE sy-vline 
WA_RCJ_PS_COST_STR-AUFTRANF sy-vline 
WA_RCJ_PS_COST_STR-FESTPROBL sy-vline 
WA_RCJ_PS_COST_STR-KSTOBLGES sy-vline 
WA_RCJ_PS_COST_STR-ISTKOSTEN sy-vline 
WA_RCJ_PS_COST_STR-ISTERLOESE sy-vline 
WA_RCJ_PS_COST_STR-KZHLNG sy-vline 
WA_RCJ_PS_COST_STR-DZHLNG sy-vline 
WA_RCJ_PS_COST_STR-PROKSTPLAN_OC sy-vline 
WA_RCJ_PS_COST_STR-PROKSTPLN2_OC sy-vline 
WA_RCJ_PS_COST_STR-AUFKSTPLAN_OC sy-vline 
WA_RCJ_PS_COST_STR-AUFKSTPLN2_OC sy-vline 
WA_RCJ_PS_COST_STR-PROERLPLAN_OC sy-vline 
WA_RCJ_PS_COST_STR-PROERLPLN2_OC sy-vline 
WA_RCJ_PS_COST_STR-AUFERLPLAN_OC sy-vline 
WA_RCJ_PS_COST_STR-AUFERLPLN2_OC sy-vline 
WA_RCJ_PS_COST_STR-KREDFINPLN_OC sy-vline 
WA_RCJ_PS_COST_STR-DEBFINPLN_OC sy-vline 
WA_RCJ_PS_COST_STR-BUDGET_OC sy-vline 
WA_RCJ_PS_COST_STR-FREIGABE_OC sy-vline 
WA_RCJ_PS_COST_STR-AUFTRANF_OC sy-vline 
WA_RCJ_PS_COST_STR-FESTPROBL_OC sy-vline 
WA_RCJ_PS_COST_STR-KSTOBLGES_OC sy-vline 
WA_RCJ_PS_COST_STR-ISTKOSTEN_OC sy-vline 
WA_RCJ_PS_COST_STR-ISTERLOESE_OC sy-vline 
WA_RCJ_PS_COST_STR-KZHLNG_OC sy-vline 
WA_RCJ_PS_COST_STR-DZHLNG_OC sy-vline 
WA_RCJ_PS_COST_STR-EV_PLAN_ORG1 sy-vline 
WA_RCJ_PS_COST_STR-EV_ACT_ORG1 sy-vline 
WA_RCJ_PS_COST_STR-EV_ACT_CORR1 sy-vline 
WA_RCJ_PS_COST_STR-EV_PLAN_QUAN_ORG1 sy-vline 
WA_RCJ_PS_COST_STR-EV_PLAN_QUAN_ORG1_UNIT sy-vline 
WA_RCJ_PS_COST_STR-EV_ACT_QUAN_ORG1 sy-vline 
WA_RCJ_PS_COST_STR-EV_ACT_QUAN_ORG1_UNIT sy-vline 
WA_RCJ_PS_COST_STR-EV_ACT_QUAN_CORR1 sy-vline 
WA_RCJ_PS_COST_STR-EV_ACT_QUAN_CORR1_UNIT sy-vline 
WA_RCJ_PS_COST_STR-POC_PLAN_ORG_AGG1 sy-vline 
WA_RCJ_PS_COST_STR-POC_PLAN_ORG_NAGG1 sy-vline 
WA_RCJ_PS_COST_STR-POC_ACT_ORG_AGG1 sy-vline 
WA_RCJ_PS_COST_STR-POC_ACT_ORG_NAGG1 sy-vline 
WA_RCJ_PS_COST_STR-POC_ACT_CORR_AGG1 sy-vline 
WA_RCJ_PS_COST_STR-POC_ACT_CORR_NAGG1 sy-vline 
WA_RCJ_PS_COST_STR-EV_COST_VAR_ORG sy-vline 
WA_RCJ_PS_COST_STR-EV_SCHED_VAR_ORG sy-vline 
WA_RCJ_PS_COST_STR-EV_COST_INDX_ORG sy-vline 
WA_RCJ_PS_COST_STR-EV_SCHED_INDX_ORG sy-vline 
WA_RCJ_PS_COST_STR-EV_COST_VAR_CORR sy-vline 
WA_RCJ_PS_COST_STR-EV_SCHED_VAR_CORR sy-vline 
WA_RCJ_PS_COST_STR-EV_COST_INDX_CORR sy-vline 
WA_RCJ_PS_COST_STR-EV_SCHED_INDX_CORR sy-vline 
WA_RCJ_PS_COST_STR-EV_PLAN_ORG1_OC sy-vline 
WA_RCJ_PS_COST_STR-EV_ACT_ORG1_OC sy-vline 
WA_RCJ_PS_COST_STR-EV_ACT_CORR1_OC sy-vline 
WA_RCJ_PS_COST_STR-EV_COST_VAR_ORG_OC sy-vline 
WA_RCJ_PS_COST_STR-EV_SCHED_VAR_ORG_OC sy-vline 
WA_RCJ_PS_COST_STR-EV_SCHED_VAR_CORR_OC sy-vline 
WA_RCJ_PS_COST_STR-EV_COST_VAR_CORR_OC sy-vline 
WA_RCJ_PS_COST_STR-OBJEKTID sy-vline 
WA_RCJ_PS_COST_STR-KURZTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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