ABAP Select data from SAP table ROIUY9_LA_DISP_RP_VARIANCE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUY9_LA_DISP_RP_VARIANCE 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 ROIUY9_LA_DISP_RP_VARIANCE. 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 ROIUY9_LA_DISP_RP_VARIANCE 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_ROIUY9_LA_DISP_RP_VARIANCE TYPE STANDARD TABLE OF ROIUY9_LA_DISP_RP_VARIANCE,
      WA_ROIUY9_LA_DISP_RP_VARIANCE TYPE ROIUY9_LA_DISP_RP_VARIANCE,
      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: <ROIUY9_LA_DISP_RP_VARIANCE> TYPE ROIUY9_LA_DISP_RP_VARIANCE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUY9_LA_DISP_RP_VARIANCE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUY9_LA_DISP_RP_VARIANCE
  INTO TABLE IT_ROIUY9_LA_DISP_RP_VARIANCE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUY9_LA_DISP_RP_VARIANCE
*  INTO TABLE @DATA(IT_ROIUY9_LA_DISP_RP_VARIANCE2).
*--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_ROIUY9_LA_DISP_RP_VARIANCE INDEX 1 INTO DATA(WA_ROIUY9_LA_DISP_RP_VARIANCE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUY9_LA_DISP_RP_VARIANCE ASSIGNING <ROIUY9_LA_DISP_RP_VARIANCE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUY9_LA_DISP_RP_VARIANCE>-MANDT = 1.
<ROIUY9_LA_DISP_RP_VARIANCE>-RUN_ID = 1.
<ROIUY9_LA_DISP_RP_VARIANCE>-PAYOR_CODE = 1.
<ROIUY9_LA_DISP_RP_VARIANCE>-DISP_MMYYYY = 1.
<ROIUY9_LA_DISP_RP_VARIANCE>-FIELD_CODE = 1.

ENDLOOP.

LOOP AT IT_ROIUY9_LA_DISP_RP_VARIANCE INTO WA_ROIUY9_LA_DISP_RP_VARIANCE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUY9_LA_DISP_RP_VARIANCE-ENTITY_ID, sy-vline,
  WA_ROIUY9_LA_DISP_RP_VARIANCE-WELL_INDICATOR, sy-vline,
  WA_ROIUY9_LA_DISP_RP_VARIANCE-PRODUCT_CODE, sy-vline,
  WA_ROIUY9_LA_DISP_RP_VARIANCE-DECIMAL_TYPE, sy-vline,
  WA_ROIUY9_LA_DISP_RP_VARIANCE-REV_BOOK_ADJ_IND, sy-vline,
  WA_ROIUY9_LA_DISP_RP_VARIANCE-SR_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUY9_LA_DISP_RP_VARIANCE 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_ROIUY9_LA_DISP_RP_VARIANCE 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_ROIUY9_LA_DISP_RP_VARIANCE INTO WA_ROIUY9_LA_DISP_RP_VARIANCE.


*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 ADDRNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUY9_LA_DISP_RP_VARIANCE-ADDRNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUY9_LA_DISP_RP_VARIANCE-ADDRNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CHANGE_TIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_ROIUY9_LA_DISP_RP_VARIANCE-CHANGE_TIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUY9_LA_DISP_RP_VARIANCE-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_ROIUY9_LA_DISP_RP_VARIANCE_STR, 
MANDT TYPE STRING,
RUN_ID TYPE STRING,
PAYOR_CODE TYPE STRING,
DISP_MMYYYY TYPE STRING,
FIELD_CODE TYPE STRING,
ENTITY_ID TYPE STRING,
WELL_INDICATOR TYPE STRING,
PRODUCT_CODE TYPE STRING,
DECIMAL_TYPE TYPE STRING,
REV_BOOK_ADJ_IND TYPE STRING,
SR_CODE TYPE STRING,
INPUT_CODE TYPE STRING,
LUW_NAME TYPE STRING,
PAYOR_NAME TYPE STRING,
ADDRNUMBER TYPE STRING,
TRANSPORTER_CD TYPE STRING,
PLANT_ORG_ID TYPE STRING,
GRAVITY TYPE STRING,
BTU TYPE STRING,
LEASE_SHARE TYPE STRING,
PRICE TYPE STRING,
PAYOR_VOLUME TYPE STRING,
SEV_TAX TYPE STRING,
DEDUCT_CD1 TYPE STRING,
DEDUCT_AMT1 TYPE STRING,
DEDUCT_CD2 TYPE STRING,
DEDUCT_AMT2 TYPE STRING,
DEDUCT_CD3 TYPE STRING,
DEDUCT_AMT3 TYPE STRING,
DEDUCT_CD4 TYPE STRING,
DEDUCT_AMT4 TYPE STRING,
NET_VALUE TYPE STRING,
STATE_DECIMAL TYPE STRING,
AMOUNT_PAID TYPE STRING,
CHANGE_USER TYPE STRING,
CHANGE_TIMESTAMP TYPE STRING,
2ND_ROYALTY_PAID TYPE STRING,
VAR_ROYALTY_PAID TYPE STRING,
PERCENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUY9_LA_DISP_RP_VARIANCE_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_ROIUY9_LA_DISP_RP_VARIANCE_STR-MANDT sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-RUN_ID sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-PAYOR_CODE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DISP_MMYYYY sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-FIELD_CODE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-ENTITY_ID sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-WELL_INDICATOR sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-PRODUCT_CODE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DECIMAL_TYPE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-REV_BOOK_ADJ_IND sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-SR_CODE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-INPUT_CODE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-LUW_NAME sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-PAYOR_NAME sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-ADDRNUMBER sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-TRANSPORTER_CD sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-PLANT_ORG_ID sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-GRAVITY sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-BTU sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-LEASE_SHARE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-PRICE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-PAYOR_VOLUME sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-SEV_TAX sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DEDUCT_CD1 sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DEDUCT_AMT1 sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DEDUCT_CD2 sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DEDUCT_AMT2 sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DEDUCT_CD3 sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DEDUCT_AMT3 sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DEDUCT_CD4 sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-DEDUCT_AMT4 sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-NET_VALUE sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-STATE_DECIMAL sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-AMOUNT_PAID sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-CHANGE_USER sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-CHANGE_TIMESTAMP sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-2ND_ROYALTY_PAID sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-VAR_ROYALTY_PAID sy-vline 
WA_ROIUY9_LA_DISP_RP_VARIANCE_STR-PERCENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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