ABAP Select data from SAP table IMAINTORDOPCOST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMAINTORDOPCOST
*  INTO TABLE @DATA(IT_IMAINTORDOPCOST2).
*--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_IMAINTORDOPCOST INDEX 1 INTO DATA(WA_IMAINTORDOPCOST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMAINTORDOPCOST>-MANDT = 1.
<IMAINTORDOPCOST>-MAINTORDEROPERATIONINTERNALID = 1.
<IMAINTORDOPCOST>-CONTROLLINGAREACURRENCY = 1.
<IMAINTORDOPCOST>-CONTROLLINGOBJECTDEBITTYPE = 1.
<IMAINTORDOPCOST>-CONTROLLINGVALUETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMAINTORDOPCOST-FISCALYEAR, sy-vline,
  WA_IMAINTORDOPCOST-VALUECATEGORY, sy-vline,
  WA_IMAINTORDOPCOST-PLANNINGVERSION, sy-vline,
  WA_IMAINTORDOPCOST-HIGHESTPERIODINRECORD, sy-vline,
  WA_IMAINTORDOPCOST-BUDGETTYPE, sy-vline,
  WA_IMAINTORDOPCOST-ACCOUNTINGINDICATORCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMAINTORDOPCOST 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_IMAINTORDOPCOST 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_IMAINTORDOPCOST INTO WA_IMAINTORDOPCOST.


*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 ALPHA, internal->external for field CONTROLLINGVALUETYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMAINTORDOPCOST-CONTROLLINGVALUETYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAINTORDOPCOST-CONTROLLINGVALUETYPE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PLANNINGVERSION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMAINTORDOPCOST-PLANNINGVERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMAINTORDOPCOST-PLANNINGVERSION.
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_IMAINTORDOPCOST_STR, 
MANDT TYPE STRING,
MAINTORDEROPERATIONINTERNALID TYPE STRING,
CONTROLLINGAREACURRENCY TYPE STRING,
CONTROLLINGOBJECTDEBITTYPE TYPE STRING,
CONTROLLINGVALUETYPE TYPE STRING,
FISCALYEAR TYPE STRING,
VALUECATEGORY TYPE STRING,
PLANNINGVERSION TYPE STRING,
HIGHESTPERIODINRECORD TYPE STRING,
BUDGETTYPE TYPE STRING,
ACCOUNTINGINDICATORCODE TYPE STRING,
RESULTCATEGORY TYPE STRING,
PERIOD00EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD01EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD02EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD03EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD04EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD05EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD06EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD07EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD08EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD09EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD10EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD11EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD12EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD13EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD14EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD15EARNEDVALINCTRLGARCRCY TYPE STRING,
PERIOD16EARNEDVALINCTRLGARCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMAINTORDOPCOST_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_IMAINTORDOPCOST_STR-MANDT sy-vline 
WA_IMAINTORDOPCOST_STR-MAINTORDEROPERATIONINTERNALID sy-vline 
WA_IMAINTORDOPCOST_STR-CONTROLLINGAREACURRENCY sy-vline 
WA_IMAINTORDOPCOST_STR-CONTROLLINGOBJECTDEBITTYPE sy-vline 
WA_IMAINTORDOPCOST_STR-CONTROLLINGVALUETYPE sy-vline 
WA_IMAINTORDOPCOST_STR-FISCALYEAR sy-vline 
WA_IMAINTORDOPCOST_STR-VALUECATEGORY sy-vline 
WA_IMAINTORDOPCOST_STR-PLANNINGVERSION sy-vline 
WA_IMAINTORDOPCOST_STR-HIGHESTPERIODINRECORD sy-vline 
WA_IMAINTORDOPCOST_STR-BUDGETTYPE sy-vline 
WA_IMAINTORDOPCOST_STR-ACCOUNTINGINDICATORCODE sy-vline 
WA_IMAINTORDOPCOST_STR-RESULTCATEGORY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD00EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD01EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD02EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD03EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD04EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD05EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD06EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD07EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD08EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD09EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD10EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD11EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD12EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD13EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD14EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD15EARNEDVALINCTRLGARCRCY sy-vline 
WA_IMAINTORDOPCOST_STR-PERIOD16EARNEDVALINCTRLGARCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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