ABAP Select data from SAP table ROIUREP_ND_FORM10A_DTL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUREP_ND_FORM10A_DTL 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 ROIUREP_ND_FORM10A_DTL. 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 ROIUREP_ND_FORM10A_DTL 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_ROIUREP_ND_FORM10A_DTL TYPE STANDARD TABLE OF ROIUREP_ND_FORM10A_DTL,
      WA_ROIUREP_ND_FORM10A_DTL TYPE ROIUREP_ND_FORM10A_DTL,
      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: <ROIUREP_ND_FORM10A_DTL> TYPE ROIUREP_ND_FORM10A_DTL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUREP_ND_FORM10A_DTL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUREP_ND_FORM10A_DTL
  INTO TABLE IT_ROIUREP_ND_FORM10A_DTL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUREP_ND_FORM10A_DTL
*  INTO TABLE @DATA(IT_ROIUREP_ND_FORM10A_DTL2).
*--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_ROIUREP_ND_FORM10A_DTL INDEX 1 INTO DATA(WA_ROIUREP_ND_FORM10A_DTL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUREP_ND_FORM10A_DTL ASSIGNING <ROIUREP_ND_FORM10A_DTL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUREP_ND_FORM10A_DTL>-HEAD_SEQNR = 1.
<ROIUREP_ND_FORM10A_DTL>-REC_TYPE = 1.
<ROIUREP_ND_FORM10A_DTL>-FIELD = 1.
<ROIUREP_ND_FORM10A_DTL>-OPERATOR = 1.
<ROIUREP_ND_FORM10A_DTL>-LSE_NO = 1.

ENDLOOP.

LOOP AT IT_ROIUREP_ND_FORM10A_DTL INTO WA_ROIUREP_ND_FORM10A_DTL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUREP_ND_FORM10A_DTL-ND_WL_NO, sy-vline,
  WA_ROIUREP_ND_FORM10A_DTL-ND_WL_NM, sy-vline,
  WA_ROIUREP_ND_FORM10A_DTL-ND_CTB_NO, sy-vline,
  WA_ROIUREP_ND_FORM10A_DTL-LEASE_TOTAL, sy-vline,
  WA_ROIUREP_ND_FORM10A_DTL-TRANSPORTER, sy-vline,
  WA_ROIUREP_ND_FORM10A_DTL-PURCHASER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUREP_ND_FORM10A_DTL 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_ROIUREP_ND_FORM10A_DTL 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_ROIUREP_ND_FORM10A_DTL INTO WA_ROIUREP_ND_FORM10A_DTL.


*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 ND_WL_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUREP_ND_FORM10A_DTL-ND_WL_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUREP_ND_FORM10A_DTL-ND_WL_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit OIUNM, internal->external for field ND_WL_NM
CALL FUNCTION 'CONVERSION_EXIT_OIUNM_OUTPUT'
  EXPORTING
    input =                      WA_ROIUREP_ND_FORM10A_DTL-ND_WL_NM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUREP_ND_FORM10A_DTL-ND_WL_NM.
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_ROIUREP_ND_FORM10A_DTL_STR, 
HEAD_SEQNR TYPE STRING,
REC_TYPE TYPE STRING,
FIELD TYPE STRING,
OPERATOR TYPE STRING,
LSE_NO TYPE STRING,
ND_WL_NO TYPE STRING,
ND_WL_NM TYPE STRING,
ND_CTB_NO TYPE STRING,
LEASE_TOTAL TYPE STRING,
TRANSPORTER TYPE STRING,
PURCHASER TYPE STRING,
TLR_REF_INDEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUREP_ND_FORM10A_DTL_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_ROIUREP_ND_FORM10A_DTL_STR-HEAD_SEQNR sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-REC_TYPE sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-FIELD sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-OPERATOR sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-LSE_NO sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-ND_WL_NO sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-ND_WL_NM sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-ND_CTB_NO sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-LEASE_TOTAL sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-TRANSPORTER sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-PURCHASER sy-vline 
WA_ROIUREP_ND_FORM10A_DTL_STR-TLR_REF_INDEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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