ABAP Select data from SAP table ROIRE_RECON_RUN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIRE_RECON_RUN
*  INTO TABLE @DATA(IT_ROIRE_RECON_RUN2).
*--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_ROIRE_RECON_RUN INDEX 1 INTO DATA(WA_ROIRE_RECON_RUN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIRE_RECON_RUN>-CHECK1 = 1.
<ROIRE_RECON_RUN>-MANDT = 1.
<ROIRE_RECON_RUN>-RECON_NO = 1.
<ROIRE_RECON_RUN>-PR1 = 1.
<ROIRE_RECON_RUN>-PR2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIRE_RECON_RUN-PR3, sy-vline,
  WA_ROIRE_RECON_RUN-PR4, sy-vline,
  WA_ROIRE_RECON_RUN-PR5, sy-vline,
  WA_ROIRE_RECON_RUN-CHOBJ, sy-vline,
  WA_ROIRE_RECON_RUN-BUKRS, sy-vline,
  WA_ROIRE_RECON_RUN-CCINS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIRE_RECON_RUN 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_ROIRE_RECON_RUN 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_ROIRE_RECON_RUN INTO WA_ROIRE_RECON_RUN.


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

*Conversion exit ALPHA, internal->external for field PR1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIRE_RECON_RUN-PR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIRE_RECON_RUN-PR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PR2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIRE_RECON_RUN-PR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIRE_RECON_RUN-PR2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PR3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIRE_RECON_RUN-PR3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIRE_RECON_RUN-PR3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PR4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIRE_RECON_RUN-PR4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIRE_RECON_RUN-PR4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PR5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIRE_RECON_RUN-PR5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIRE_RECON_RUN-PR5.
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_ROIRE_RECON_RUN_STR, 
CHECK1 TYPE STRING,
MANDT TYPE STRING,
RECON_NO TYPE STRING,
PR1 TYPE STRING,
PR2 TYPE STRING,
PR3 TYPE STRING,
PR4 TYPE STRING,
PR5 TYPE STRING,
CHOBJ TYPE STRING,
BUKRS TYPE STRING,
CCINS TYPE STRING,
STATUS TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
AENAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIRE_RECON_RUN_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_ROIRE_RECON_RUN_STR-CHECK1 sy-vline 
WA_ROIRE_RECON_RUN_STR-MANDT sy-vline 
WA_ROIRE_RECON_RUN_STR-RECON_NO sy-vline 
WA_ROIRE_RECON_RUN_STR-PR1 sy-vline 
WA_ROIRE_RECON_RUN_STR-PR2 sy-vline 
WA_ROIRE_RECON_RUN_STR-PR3 sy-vline 
WA_ROIRE_RECON_RUN_STR-PR4 sy-vline 
WA_ROIRE_RECON_RUN_STR-PR5 sy-vline 
WA_ROIRE_RECON_RUN_STR-CHOBJ sy-vline 
WA_ROIRE_RECON_RUN_STR-BUKRS sy-vline 
WA_ROIRE_RECON_RUN_STR-CCINS sy-vline 
WA_ROIRE_RECON_RUN_STR-STATUS sy-vline 
WA_ROIRE_RECON_RUN_STR-ERDAT sy-vline 
WA_ROIRE_RECON_RUN_STR-ERTIM sy-vline 
WA_ROIRE_RECON_RUN_STR-ERNAM sy-vline 
WA_ROIRE_RECON_RUN_STR-AEDAT sy-vline 
WA_ROIRE_RECON_RUN_STR-AETIM sy-vline 
WA_ROIRE_RECON_RUN_STR-AENAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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