ABAP Select data from SAP table ROIUY3_TX_RPODT_NONKEY_PROD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUY3_TX_RPODT_NONKEY_PROD 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 ROIUY3_TX_RPODT_NONKEY_PROD. 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 ROIUY3_TX_RPODT_NONKEY_PROD 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_ROIUY3_TX_RPODT_NONKEY_PROD TYPE STANDARD TABLE OF ROIUY3_TX_RPODT_NONKEY_PROD,
      WA_ROIUY3_TX_RPODT_NONKEY_PROD TYPE ROIUY3_TX_RPODT_NONKEY_PROD,
      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: <ROIUY3_TX_RPODT_NONKEY_PROD> TYPE ROIUY3_TX_RPODT_NONKEY_PROD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUY3_TX_RPODT_NONKEY_PROD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUY3_TX_RPODT_NONKEY_PROD
  INTO TABLE IT_ROIUY3_TX_RPODT_NONKEY_PROD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUY3_TX_RPODT_NONKEY_PROD
*  INTO TABLE @DATA(IT_ROIUY3_TX_RPODT_NONKEY_PROD2).
*--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_ROIUY3_TX_RPODT_NONKEY_PROD INDEX 1 INTO DATA(WA_ROIUY3_TX_RPODT_NONKEY_PROD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUY3_TX_RPODT_NONKEY_PROD ASSIGNING <ROIUY3_TX_RPODT_NONKEY_PROD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUY3_TX_RPODT_NONKEY_PROD>-BEGINNING_STOCK = 1.
<ROIUY3_TX_RPODT_NONKEY_PROD>-GROSS_PRODUCTION = 1.
<ROIUY3_TX_RPODT_NONKEY_PROD>-PIPELINE = 1.
<ROIUY3_TX_RPODT_NONKEY_PROD>-TRUCK = 1.
<ROIUY3_TX_RPODT_NONKEY_PROD>-TANK_CAR_BARGE = 1.

ENDLOOP.

LOOP AT IT_ROIUY3_TX_RPODT_NONKEY_PROD INTO WA_ROIUY3_TX_RPODT_NONKEY_PROD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUY3_TX_RPODT_NONKEY_PROD-TANK_CLEANING, sy-vline,
  WA_ROIUY3_TX_RPODT_NONKEY_PROD-CIRC_OIL_COND, sy-vline,
  WA_ROIUY3_TX_RPODT_NONKEY_PROD-LOST_STOLEN, sy-vline,
  WA_ROIUY3_TX_RPODT_NONKEY_PROD-BSW, sy-vline,
  WA_ROIUY3_TX_RPODT_NONKEY_PROD-OTHER_ROY_DUE, sy-vline,
  WA_ROIUY3_TX_RPODT_NONKEY_PROD-OTHER_NO_ROY_DUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUY3_TX_RPODT_NONKEY_PROD 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_ROIUY3_TX_RPODT_NONKEY_PROD 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_ROIUY3_TX_RPODT_NONKEY_PROD INTO WA_ROIUY3_TX_RPODT_NONKEY_PROD.


*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_ROIUY3_TX_RPODT_NONKEY_PROD_STR, 
BEGINNING_STOCK TYPE STRING,
GROSS_PRODUCTION TYPE STRING,
PIPELINE TYPE STRING,
TRUCK TYPE STRING,
TANK_CAR_BARGE TYPE STRING,
TANK_CLEANING TYPE STRING,
CIRC_OIL_COND TYPE STRING,
LOST_STOLEN TYPE STRING,
BSW TYPE STRING,
OTHER_ROY_DUE TYPE STRING,
OTHER_NO_ROY_DUE TYPE STRING,
SKIM_LIQ_HYDRO TYPE STRING,
SCRUBBER_OIL TYPE STRING,
ENDING_STOCK TYPE STRING,
DRIP_OIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUY3_TX_RPODT_NONKEY_PROD_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_ROIUY3_TX_RPODT_NONKEY_PROD_STR-BEGINNING_STOCK sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-GROSS_PRODUCTION sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-PIPELINE sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-TRUCK sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-TANK_CAR_BARGE sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-TANK_CLEANING sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-CIRC_OIL_COND sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-LOST_STOLEN sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-BSW sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-OTHER_ROY_DUE sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-OTHER_NO_ROY_DUE sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-SKIM_LIQ_HYDRO sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-SCRUBBER_OIL sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-ENDING_STOCK sy-vline 
WA_ROIUY3_TX_RPODT_NONKEY_PROD_STR-DRIP_OIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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