ABAP Select data from SAP table ROIUT2_LOAD_VENDOR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUT2_LOAD_VENDOR 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 ROIUT2_LOAD_VENDOR. 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 ROIUT2_LOAD_VENDOR 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_ROIUT2_LOAD_VENDOR TYPE STANDARD TABLE OF ROIUT2_LOAD_VENDOR,
      WA_ROIUT2_LOAD_VENDOR TYPE ROIUT2_LOAD_VENDOR,
      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: <ROIUT2_LOAD_VENDOR> TYPE ROIUT2_LOAD_VENDOR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUT2_LOAD_VENDOR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUT2_LOAD_VENDOR
  INTO TABLE IT_ROIUT2_LOAD_VENDOR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUT2_LOAD_VENDOR
*  INTO TABLE @DATA(IT_ROIUT2_LOAD_VENDOR2).
*--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_ROIUT2_LOAD_VENDOR INDEX 1 INTO DATA(WA_ROIUT2_LOAD_VENDOR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUT2_LOAD_VENDOR ASSIGNING <ROIUT2_LOAD_VENDOR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUT2_LOAD_VENDOR>-BA_BA_NO = 1.
<ROIUT2_LOAD_VENDOR>-BA_NO_8 = 1.
<ROIUT2_LOAD_VENDOR>-BA_TYPE_CD = 1.
<ROIUT2_LOAD_VENDOR>-BUKRS = 1.
<ROIUT2_LOAD_VENDOR>-LAND1 = 1.

ENDLOOP.

LOOP AT IT_ROIUT2_LOAD_VENDOR INTO WA_ROIUT2_LOAD_VENDOR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUT2_LOAD_VENDOR-NAME1, sy-vline,
  WA_ROIUT2_LOAD_VENDOR-NAME2, sy-vline,
  WA_ROIUT2_LOAD_VENDOR-NAME3, sy-vline,
  WA_ROIUT2_LOAD_VENDOR-NAME4, sy-vline,
  WA_ROIUT2_LOAD_VENDOR-STRAS, sy-vline,
  WA_ROIUT2_LOAD_VENDOR-ADDR2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUT2_LOAD_VENDOR 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_ROIUT2_LOAD_VENDOR 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_ROIUT2_LOAD_VENDOR INTO WA_ROIUT2_LOAD_VENDOR.


*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 BA_BA_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUT2_LOAD_VENDOR-BA_BA_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUT2_LOAD_VENDOR-BA_BA_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUT2_LOAD_VENDOR-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUT2_LOAD_VENDOR-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUT2_LOAD_VENDOR-AKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUT2_LOAD_VENDOR-AKONT.
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_ROIUT2_LOAD_VENDOR_STR, 
BA_BA_NO TYPE STRING,
BA_NO_8 TYPE STRING,
BA_TYPE_CD TYPE STRING,
BUKRS TYPE STRING,
LAND1 TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
STRAS TYPE STRING,
ADDR2 TYPE STRING,
ADDR3 TYPE STRING,
ADDR4 TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
PFACH TYPE STRING,
PSTL2 TYPE STRING,
PSTLZ TYPE STRING,
REGIO TYPE STRING,
SORTL TYPE STRING,
ANRED TYPE STRING,
KTOKK TYPE STRING,
SPRAS TYPE STRING,
STCD1 TYPE STRING,
STCD2 TYPE STRING,
TELF1 TYPE STRING,
TELFX TYPE STRING,
TELX1 TYPE STRING,
PFORT TYPE STRING,
SPERZ TYPE STRING,
LFURL TYPE STRING,
ESCH_CD TYPE STRING,
ESCHEAT_DT TYPE STRING,
BA_ST_RES_CD TYPE STRING,
BA_BKUP_WH_FL TYPE STRING,
RSTR_TXNCHG_FL TYPE STRING,
A_FUNDS_TFER_CD TYPE STRING,
AKONT TYPE STRING,
XPORE TYPE STRING,
QSSKZ TYPE STRING,
ZWELS TYPE STRING,
REPRF TYPE STRING,
BA_MIN_PAY_AM TYPE STRING,
BA_PAY_FRQ_CD TYPE STRING,
BA_CHK_FIR_FL TYPE STRING,
BA_SSN_TYPE_CD TYPE STRING,
BA_NRA_TAX_CD TYPE STRING,
BA_GEN_1099_FL TYPE STRING,
A_OVRD_RCPMT_FL TYPE STRING,
BA_ENTY_CD TYPE STRING,
BA_RECOUP_PC TYPE STRING,
ALLOT_PX_MTH_CD TYPE STRING,
INTER_CO_CD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUT2_LOAD_VENDOR_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_ROIUT2_LOAD_VENDOR_STR-BA_BA_NO sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_NO_8 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_TYPE_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BUKRS sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-LAND1 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-NAME1 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-NAME2 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-NAME3 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-NAME4 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-STRAS sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ADDR2 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ADDR3 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ADDR4 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ORT01 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ORT02 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-PFACH sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-PSTL2 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-PSTLZ sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-REGIO sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-SORTL sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ANRED sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-KTOKK sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-SPRAS sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-STCD1 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-STCD2 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-TELF1 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-TELFX sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-TELX1 sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-PFORT sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-SPERZ sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-LFURL sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ESCH_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ESCHEAT_DT sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_ST_RES_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_BKUP_WH_FL sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-RSTR_TXNCHG_FL sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-A_FUNDS_TFER_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-AKONT sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-XPORE sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-QSSKZ sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ZWELS sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-REPRF sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_MIN_PAY_AM sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_PAY_FRQ_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_CHK_FIR_FL sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_SSN_TYPE_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_NRA_TAX_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_GEN_1099_FL sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-A_OVRD_RCPMT_FL sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_ENTY_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-BA_RECOUP_PC sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-ALLOT_PX_MTH_CD sy-vline 
WA_ROIUT2_LOAD_VENDOR_STR-INTER_CO_CD sy-vline      INTO ld_text SEPARATED BY SPACE.

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