ABAP Select data from SAP table ROIUX2_WY_OG001D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUX2_WY_OG001D 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 ROIUX2_WY_OG001D. 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 ROIUX2_WY_OG001D 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_ROIUX2_WY_OG001D TYPE STANDARD TABLE OF ROIUX2_WY_OG001D,
      WA_ROIUX2_WY_OG001D TYPE ROIUX2_WY_OG001D,
      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: <ROIUX2_WY_OG001D> TYPE ROIUX2_WY_OG001D.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUX2_WY_OG001D.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUX2_WY_OG001D
  INTO TABLE IT_ROIUX2_WY_OG001D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUX2_WY_OG001D
*  INTO TABLE @DATA(IT_ROIUX2_WY_OG001D2).
*--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_ROIUX2_WY_OG001D INDEX 1 INTO DATA(WA_ROIUX2_WY_OG001D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUX2_WY_OG001D ASSIGNING <ROIUX2_WY_OG001D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUX2_WY_OG001D>-SALES_YR = 1.
<ROIUX2_WY_OG001D>-SALES_MM = 1.
<ROIUX2_WY_OG001D>-FIELD_NAME = 1.
<ROIUX2_WY_OG001D>-LEASE_NAME = 1.
<ROIUX2_WY_OG001D>-AGY_PD_CD = 1.

ENDLOOP.

LOOP AT IT_ROIUX2_WY_OG001D INTO WA_ROIUX2_WY_OG001D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUX2_WY_OG001D-OTHER_NAME, sy-vline,
  WA_ROIUX2_WY_OG001D-GROSS_BBL, sy-vline,
  WA_ROIUX2_WY_OG001D-GROSS_MCF, sy-vline,
  WA_ROIUX2_WY_OG001D-PLANT_USE, sy-vline,
  WA_ROIUX2_WY_OG001D-EXEMPT_VOL, sy-vline,
  WA_ROIUX2_WY_OG001D-NET_BBL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUX2_WY_OG001D 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_ROIUX2_WY_OG001D 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_ROIUX2_WY_OG001D INTO WA_ROIUX2_WY_OG001D.


*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_ROIUX2_WY_OG001D_STR, 
SALES_YR TYPE STRING,
SALES_MM TYPE STRING,
FIELD_NAME TYPE STRING,
LEASE_NAME TYPE STRING,
AGY_PD_CD TYPE STRING,
OTHER_NAME TYPE STRING,
GROSS_BBL TYPE STRING,
GROSS_MCF TYPE STRING,
PLANT_USE TYPE STRING,
EXEMPT_VOL TYPE STRING,
NET_BBL TYPE STRING,
NET_MCF TYPE STRING,
NET_GALLON TYPE STRING,
OIL_NET_VAL TYPE STRING,
GAS_NET_VAL TYPE STRING,
NGL_NET_VAL TYPE STRING,
OIL_RATE TYPE STRING,
LIQ_RATE TYPE STRING,
GAS_RATE TYPE STRING,
OIL_TAX_AM TYPE STRING,
GAS_TAX_AM TYPE STRING,
LIQ_TAX_AM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUX2_WY_OG001D_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_ROIUX2_WY_OG001D_STR-SALES_YR sy-vline 
WA_ROIUX2_WY_OG001D_STR-SALES_MM sy-vline 
WA_ROIUX2_WY_OG001D_STR-FIELD_NAME sy-vline 
WA_ROIUX2_WY_OG001D_STR-LEASE_NAME sy-vline 
WA_ROIUX2_WY_OG001D_STR-AGY_PD_CD sy-vline 
WA_ROIUX2_WY_OG001D_STR-OTHER_NAME sy-vline 
WA_ROIUX2_WY_OG001D_STR-GROSS_BBL sy-vline 
WA_ROIUX2_WY_OG001D_STR-GROSS_MCF sy-vline 
WA_ROIUX2_WY_OG001D_STR-PLANT_USE sy-vline 
WA_ROIUX2_WY_OG001D_STR-EXEMPT_VOL sy-vline 
WA_ROIUX2_WY_OG001D_STR-NET_BBL sy-vline 
WA_ROIUX2_WY_OG001D_STR-NET_MCF sy-vline 
WA_ROIUX2_WY_OG001D_STR-NET_GALLON sy-vline 
WA_ROIUX2_WY_OG001D_STR-OIL_NET_VAL sy-vline 
WA_ROIUX2_WY_OG001D_STR-GAS_NET_VAL sy-vline 
WA_ROIUX2_WY_OG001D_STR-NGL_NET_VAL sy-vline 
WA_ROIUX2_WY_OG001D_STR-OIL_RATE sy-vline 
WA_ROIUX2_WY_OG001D_STR-LIQ_RATE sy-vline 
WA_ROIUX2_WY_OG001D_STR-GAS_RATE sy-vline 
WA_ROIUX2_WY_OG001D_STR-OIL_TAX_AM sy-vline 
WA_ROIUX2_WY_OG001D_STR-GAS_TAX_AM sy-vline 
WA_ROIUX2_WY_OG001D_STR-LIQ_TAX_AM sy-vline      INTO ld_text SEPARATED BY SPACE.

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