ABAP Select data from SAP table ROIUY1_NM_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUY1_NM_D 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 ROIUY1_NM_D. 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 ROIUY1_NM_D 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_ROIUY1_NM_D TYPE STANDARD TABLE OF ROIUY1_NM_D,
      WA_ROIUY1_NM_D TYPE ROIUY1_NM_D,
      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: <ROIUY1_NM_D> TYPE ROIUY1_NM_D.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUY1_NM_D.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUY1_NM_D
  INTO TABLE IT_ROIUY1_NM_D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUY1_NM_D
*  INTO TABLE @DATA(IT_ROIUY1_NM_D2).
*--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_ROIUY1_NM_D INDEX 1 INTO DATA(WA_ROIUY1_NM_D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUY1_NM_D ASSIGNING <ROIUY1_NM_D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUY1_NM_D>-SALES_MMYY = 1.
<ROIUY1_NM_D>-PROPERTY = 1.
<ROIUY1_NM_D>-PUN = 1.
<ROIUY1_NM_D>-LEASE_NO = 1.
<ROIUY1_NM_D>-PROD_CODE = 1.

ENDLOOP.

LOOP AT IT_ROIUY1_NM_D INTO WA_ROIUY1_NM_D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUY1_NM_D-TXN_CODE, sy-vline,
  WA_ROIUY1_NM_D-ARMS_LENGTH, sy-vline,
  WA_ROIUY1_NM_D-VOLUME, sy-vline,
  WA_ROIUY1_NM_D-NGL, sy-vline,
  WA_ROIUY1_NM_D-BTU, sy-vline,
  WA_ROIUY1_NM_D-GROSS_PROCEEDS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUY1_NM_D 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_ROIUY1_NM_D 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_ROIUY1_NM_D INTO WA_ROIUY1_NM_D.


*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 PROPERTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUY1_NM_D-PROPERTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUY1_NM_D-PROPERTY.
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_ROIUY1_NM_D_STR, 
SALES_MMYY TYPE STRING,
PROPERTY TYPE STRING,
PUN TYPE STRING,
LEASE_NO TYPE STRING,
PROD_CODE TYPE STRING,
TXN_CODE TYPE STRING,
ARMS_LENGTH TYPE STRING,
VOLUME TYPE STRING,
NGL TYPE STRING,
BTU TYPE STRING,
GROSS_PROCEEDS TYPE STRING,
TRANSPORT_DED TYPE STRING,
MARKETING_TOT TYPE STRING,
DEDUCTIONS TYPE STRING,
ROYALTY TYPE STRING,
LAST_CURR_IND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUY1_NM_D_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_ROIUY1_NM_D_STR-SALES_MMYY sy-vline 
WA_ROIUY1_NM_D_STR-PROPERTY sy-vline 
WA_ROIUY1_NM_D_STR-PUN sy-vline 
WA_ROIUY1_NM_D_STR-LEASE_NO sy-vline 
WA_ROIUY1_NM_D_STR-PROD_CODE sy-vline 
WA_ROIUY1_NM_D_STR-TXN_CODE sy-vline 
WA_ROIUY1_NM_D_STR-ARMS_LENGTH sy-vline 
WA_ROIUY1_NM_D_STR-VOLUME sy-vline 
WA_ROIUY1_NM_D_STR-NGL sy-vline 
WA_ROIUY1_NM_D_STR-BTU sy-vline 
WA_ROIUY1_NM_D_STR-GROSS_PROCEEDS sy-vline 
WA_ROIUY1_NM_D_STR-TRANSPORT_DED sy-vline 
WA_ROIUY1_NM_D_STR-MARKETING_TOT sy-vline 
WA_ROIUY1_NM_D_STR-DEDUCTIONS sy-vline 
WA_ROIUY1_NM_D_STR-ROYALTY sy-vline 
WA_ROIUY1_NM_D_STR-LAST_CURR_IND sy-vline      INTO ld_text SEPARATED BY SPACE.

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