ABAP Select data from SAP table REOR_PRICE_DERIVE_SRV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REOR_PRICE_DERIVE_SRV
*  INTO TABLE @DATA(IT_REOR_PRICE_DERIVE_SRV2).
*--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_REOR_PRICE_DERIVE_SRV INDEX 1 INTO DATA(WA_REOR_PRICE_DERIVE_SRV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REOR_PRICE_DERIVE_SRV>-PRICECODE = 1.
<REOR_PRICE_DERIVE_SRV>-RSOBJID = 1.
<REOR_PRICE_DERIVE_SRV>-RSAREA = 1.
<REOR_PRICE_DERIVE_SRV>-RSOBJTYPE = 1.
<REOR_PRICE_DERIVE_SRV>-RSTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REOR_PRICE_DERIVE_SRV-RESPONSIBLE, sy-vline,
  WA_REOR_PRICE_DERIVE_SRV-NEIGHBORH1, sy-vline,
  WA_REOR_PRICE_DERIVE_SRV-NEIGHBORH2, sy-vline,
  WA_REOR_PRICE_DERIVE_SRV-NEIGHBORH3, sy-vline,
  WA_REOR_PRICE_DERIVE_SRV-WEEKDAYFROM, sy-vline,
  WA_REOR_PRICE_DERIVE_SRV-WEEKDAYTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REOR_PRICE_DERIVE_SRV 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_REOR_PRICE_DERIVE_SRV 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_REOR_PRICE_DERIVE_SRV INTO WA_REOR_PRICE_DERIVE_SRV.


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

*Conversion exit REDAT, internal->external for field DATETO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REOR_PRICE_DERIVE_SRV-DATETO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REOR_PRICE_DERIVE_SRV-DATETO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field TIMEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REOR_PRICE_DERIVE_SRV-TIMEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REOR_PRICE_DERIVE_SRV-TIMEUNIT.
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_REOR_PRICE_DERIVE_SRV_STR, 
PRICECODE TYPE STRING,
RSOBJID TYPE STRING,
RSAREA TYPE STRING,
RSOBJTYPE TYPE STRING,
RSTYPE TYPE STRING,
RESPONSIBLE TYPE STRING,
NEIGHBORH1 TYPE STRING,
NEIGHBORH2 TYPE STRING,
NEIGHBORH3 TYPE STRING,
WEEKDAYFROM TYPE STRING,
WEEKDAYTO TYPE STRING,
DATEFROM TYPE STRING,
DATETO TYPE STRING,
TIMEFROM TYPE STRING,
TIMETO TYPE STRING,
DAYS TYPE STRING,
HOURS TYPE STRING,
MINUTES TYPE STRING,
ISALLDAY TYPE STRING,
ISWEEKEND TYPE STRING,
ISHOLIDAY TYPE STRING,
RECURCOUNT TYPE STRING,
SRVGROUP TYPE STRING,
SRVTYPE TYPE STRING,
FLOWTYPE TYPE STRING,
PRICE TYPE STRING,
CURRKEY TYPE STRING,
ISPERMEAS TYPE STRING,
MEAS TYPE STRING,
TIMEUNIT TYPE STRING,
COOBJECT TYPE STRING,
RESPIDENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REOR_PRICE_DERIVE_SRV_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_REOR_PRICE_DERIVE_SRV_STR-PRICECODE sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-RSOBJID sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-RSAREA sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-RSOBJTYPE sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-RSTYPE sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-RESPONSIBLE sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-NEIGHBORH1 sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-NEIGHBORH2 sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-NEIGHBORH3 sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-WEEKDAYFROM sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-WEEKDAYTO sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-DATEFROM sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-DATETO sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-TIMEFROM sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-TIMETO sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-DAYS sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-HOURS sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-MINUTES sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-ISALLDAY sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-ISWEEKEND sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-ISHOLIDAY sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-RECURCOUNT sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-SRVGROUP sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-SRVTYPE sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-FLOWTYPE sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-PRICE sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-CURRKEY sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-ISPERMEAS sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-MEAS sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-TIMEUNIT sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-COOBJECT sy-vline 
WA_REOR_PRICE_DERIVE_SRV_STR-RESPIDENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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