ABAP Select data from SAP table ROIUY5_OK_RPGDT_ALV_0100 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUY5_OK_RPGDT_ALV_0100 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 ROIUY5_OK_RPGDT_ALV_0100. 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 ROIUY5_OK_RPGDT_ALV_0100 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_ROIUY5_OK_RPGDT_ALV_0100 TYPE STANDARD TABLE OF ROIUY5_OK_RPGDT_ALV_0100,
      WA_ROIUY5_OK_RPGDT_ALV_0100 TYPE ROIUY5_OK_RPGDT_ALV_0100,
      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: <ROIUY5_OK_RPGDT_ALV_0100> TYPE ROIUY5_OK_RPGDT_ALV_0100.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUY5_OK_RPGDT_ALV_0100.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUY5_OK_RPGDT_ALV_0100
  INTO TABLE IT_ROIUY5_OK_RPGDT_ALV_0100.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUY5_OK_RPGDT_ALV_0100
*  INTO TABLE @DATA(IT_ROIUY5_OK_RPGDT_ALV_01002).
*--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_ROIUY5_OK_RPGDT_ALV_0100 INDEX 1 INTO DATA(WA_ROIUY5_OK_RPGDT_ALV_01002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUY5_OK_RPGDT_ALV_0100 ASSIGNING <ROIUY5_OK_RPGDT_ALV_0100>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUY5_OK_RPGDT_ALV_0100>-MANDT = 1.
<ROIUY5_OK_RPGDT_ALV_0100>-RUN_ID = 1.
<ROIUY5_OK_RPGDT_ALV_0100>-SALES_DT = 1.
<ROIUY5_OK_RPGDT_ALV_0100>-ENTITY_ID = 1.
<ROIUY5_OK_RPGDT_ALV_0100>-REV_BOOK_ADJ_IND = 1.

ENDLOOP.

LOOP AT IT_ROIUY5_OK_RPGDT_ALV_0100 INTO WA_ROIUY5_OK_RPGDT_ALV_0100.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUY5_OK_RPGDT_ALV_0100-PAYOR_NAME, sy-vline,
  WA_ROIUY5_OK_RPGDT_ALV_0100-LESSEE, sy-vline,
  WA_ROIUY5_OK_RPGDT_ALV_0100-DESCRIPTION, sy-vline,
  WA_ROIUY5_OK_RPGDT_ALV_0100-SEC_GEO_LOC, sy-vline,
  WA_ROIUY5_OK_RPGDT_ALV_0100-TWP, sy-vline,
  WA_ROIUY5_OK_RPGDT_ALV_0100-RGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUY5_OK_RPGDT_ALV_0100 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_ROIUY5_OK_RPGDT_ALV_0100 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_ROIUY5_OK_RPGDT_ALV_0100 INTO WA_ROIUY5_OK_RPGDT_ALV_0100.


*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 TSTPS, internal->external for field CHANGE_TIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_ROIUY5_OK_RPGDT_ALV_0100-CHANGE_TIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUY5_OK_RPGDT_ALV_0100-CHANGE_TIMESTAMP.
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_ROIUY5_OK_RPGDT_ALV_0100_STR, 
MANDT TYPE STRING,
RUN_ID TYPE STRING,
SALES_DT TYPE STRING,
ENTITY_ID TYPE STRING,
REV_BOOK_ADJ_IND TYPE STRING,
PAYOR_NAME TYPE STRING,
LESSEE TYPE STRING,
DESCRIPTION TYPE STRING,
SEC_GEO_LOC TYPE STRING,
TWP TYPE STRING,
RGE TYPE STRING,
SEC_GEO_DESC TYPE STRING,
LEASE_NAME TYPE STRING,
NO_OF_OG_WELLS TYPE STRING,
NO_OF_OIL_WELLS TYPE STRING,
ROYALTY_INT TYPE STRING,
GROSS_PRODUCTION_GAS TYPE STRING,
GROSS_VALUE_GAS TYPE STRING,
GROSS_VALUE_NGL TYPE STRING,
GROSS_VOLUME_RESIDUE TYPE STRING,
CT_PERCENT_TO_LEASE TYPE STRING,
PRICE_RESIDUE TYPE STRING,
GROSS_VALUE_RESIDUE TYPE STRING,
TOTAL_VALUE TYPE STRING,
ADJUSTMENT_VALUE_GAS TYPE STRING,
ADJUSTED_VALUE_GAS TYPE STRING,
ROYALTY_DUE_GAS TYPE STRING,
GROSS_VOLUME_DRY_GAS TYPE STRING,
PRICE_DRY_GAS TYPE STRING,
TOTAL_VALUE_DRY_GAS TYPE STRING,
ADJUSTMENT_VALUE_DRY_GAS TYPE STRING,
ADJUSTED_VALUE_DRY_GAS TYPE STRING,
ROYALTY_INT_DRY_GAS TYPE STRING,
ROYALTY_DUE_DRY_GAS TYPE STRING,
CHANGE_USER TYPE STRING,
CHANGE_TIMESTAMP TYPE STRING,
LINE_COLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUY5_OK_RPGDT_ALV_0100_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_ROIUY5_OK_RPGDT_ALV_0100_STR-MANDT sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-RUN_ID sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-SALES_DT sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ENTITY_ID sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-REV_BOOK_ADJ_IND sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-PAYOR_NAME sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-LESSEE sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-DESCRIPTION sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-SEC_GEO_LOC sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-TWP sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-RGE sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-SEC_GEO_DESC sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-LEASE_NAME sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-NO_OF_OG_WELLS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-NO_OF_OIL_WELLS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ROYALTY_INT sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-GROSS_PRODUCTION_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-GROSS_VALUE_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-GROSS_VALUE_NGL sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-GROSS_VOLUME_RESIDUE sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-CT_PERCENT_TO_LEASE sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-PRICE_RESIDUE sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-GROSS_VALUE_RESIDUE sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-TOTAL_VALUE sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ADJUSTMENT_VALUE_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ADJUSTED_VALUE_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ROYALTY_DUE_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-GROSS_VOLUME_DRY_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-PRICE_DRY_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-TOTAL_VALUE_DRY_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ADJUSTMENT_VALUE_DRY_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ADJUSTED_VALUE_DRY_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ROYALTY_INT_DRY_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-ROYALTY_DUE_DRY_GAS sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-CHANGE_USER sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-CHANGE_TIMESTAMP sy-vline 
WA_ROIUY5_OK_RPGDT_ALV_0100_STR-LINE_COLOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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