ABAP Select data from SAP table ROIUX8_NM_RPDT_TC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUX8_NM_RPDT_TC 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 ROIUX8_NM_RPDT_TC. 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 ROIUX8_NM_RPDT_TC 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_ROIUX8_NM_RPDT_TC TYPE STANDARD TABLE OF ROIUX8_NM_RPDT_TC,
      WA_ROIUX8_NM_RPDT_TC TYPE ROIUX8_NM_RPDT_TC,
      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: <ROIUX8_NM_RPDT_TC> TYPE ROIUX8_NM_RPDT_TC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUX8_NM_RPDT_TC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUX8_NM_RPDT_TC
  INTO TABLE IT_ROIUX8_NM_RPDT_TC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUX8_NM_RPDT_TC
*  INTO TABLE @DATA(IT_ROIUX8_NM_RPDT_TC2).
*--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_ROIUX8_NM_RPDT_TC INDEX 1 INTO DATA(WA_ROIUX8_NM_RPDT_TC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUX8_NM_RPDT_TC ASSIGNING <ROIUX8_NM_RPDT_TC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUX8_NM_RPDT_TC>-MANDT = 1.
<ROIUX8_NM_RPDT_TC>-RUN_ID = 1.
<ROIUX8_NM_RPDT_TC>-OGRID = 1.
<ROIUX8_NM_RPDT_TC>-OPER_PURCH_IND = 1.
<ROIUX8_NM_RPDT_TC>-SALES_MONTH = 1.

ENDLOOP.

LOOP AT IT_ROIUX8_NM_RPDT_TC INTO WA_ROIUX8_NM_RPDT_TC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUX8_NM_RPDT_TC-PUN, sy-vline,
  WA_ROIUX8_NM_RPDT_TC-SUFFIX, sy-vline,
  WA_ROIUX8_NM_RPDT_TC-NM_PRODUCT_CODE, sy-vline,
  WA_ROIUX8_NM_RPDT_TC-SPEC_TAX_RATE_CD, sy-vline,
  WA_ROIUX8_NM_RPDT_TC-AFFILIATION_CODE, sy-vline,
  WA_ROIUX8_NM_RPDT_TC-TRANSACTION_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUX8_NM_RPDT_TC 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_ROIUX8_NM_RPDT_TC 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_ROIUX8_NM_RPDT_TC INTO WA_ROIUX8_NM_RPDT_TC.


*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 CUNIT, internal->external for field UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ROIUX8_NM_RPDT_TC-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUX8_NM_RPDT_TC-UOM.
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_ROIUX8_NM_RPDT_TC_STR, 
MANDT TYPE STRING,
RUN_ID TYPE STRING,
OGRID TYPE STRING,
OPER_PURCH_IND TYPE STRING,
SALES_MONTH TYPE STRING,
PUN TYPE STRING,
SUFFIX TYPE STRING,
NM_PRODUCT_CODE TYPE STRING,
SPEC_TAX_RATE_CD TYPE STRING,
AFFILIATION_CODE TYPE STRING,
TRANSACTION_CODE TYPE STRING,
REV_BOOK_ADJ_IND TYPE STRING,
GROSS_VOL TYPE STRING,
UOM TYPE STRING,
GROSS_VAL TYPE STRING,
TRANSPORTATION TYPE STRING,
PROCESSING TYPE STRING,
EXEMPT_VAL TYPE STRING,
TAX_VAL TYPE STRING,
SV_TAX_AMT TYPE STRING,
CN_TAX_AMT TYPE STRING,
ES_TAX_AMT TYPE STRING,
AV_TAX_AMT TYPE STRING,
TOTAL_TAX_AMT TYPE STRING,
OIU_CRUSER TYPE STRING,
OIU_TIMESTAMP TYPE STRING,
TAX_VAL_DELTA TYPE STRING,
SV_TAX_AMT_DELTA TYPE STRING,
CN_TAX_AMT_DELTA TYPE STRING,
ES_TAX_AMT_DELTA TYPE STRING,
AV_TAX_AMT_DELTA TYPE STRING,
SEL TYPE STRING,
LINE_COLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUX8_NM_RPDT_TC_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_ROIUX8_NM_RPDT_TC_STR-MANDT sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-RUN_ID sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-OGRID sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-OPER_PURCH_IND sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-SALES_MONTH sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-PUN sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-SUFFIX sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-NM_PRODUCT_CODE sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-SPEC_TAX_RATE_CD sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-AFFILIATION_CODE sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-TRANSACTION_CODE sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-REV_BOOK_ADJ_IND sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-GROSS_VOL sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-UOM sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-GROSS_VAL sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-TRANSPORTATION sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-PROCESSING sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-EXEMPT_VAL sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-TAX_VAL sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-SV_TAX_AMT sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-CN_TAX_AMT sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-ES_TAX_AMT sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-AV_TAX_AMT sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-TOTAL_TAX_AMT sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-OIU_CRUSER sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-OIU_TIMESTAMP sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-TAX_VAL_DELTA sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-SV_TAX_AMT_DELTA sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-CN_TAX_AMT_DELTA sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-ES_TAX_AMT_DELTA sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-AV_TAX_AMT_DELTA sy-vline 
WA_ROIUX8_NM_RPDT_TC_STR-SEL sy-vline 
WA_ROIUX8_NM_RPDT_TC_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.