ABAP Select data from SAP table OIUGR_PRDT_PR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIUGR_PRDT_PR
*  INTO TABLE @DATA(IT_OIUGR_PRDT_PR2).
*--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_OIUGR_PRDT_PR INDEX 1 INTO DATA(WA_OIUGR_PRDT_PR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIUGR_PRDT_PR>-MANDT = 1.
<OIUGR_PRDT_PR>-RUN_ID = 1.
<OIUGR_PRDT_PR>-ROYTXN_PR_GUID = 1.
<OIUGR_PRDT_PR>-PRD_MATNR = 1.
<OIUGR_PRDT_PR>-MATNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIUGR_PRDT_PR-VT_CD, sy-vline,
  WA_OIUGR_PRDT_PR-VC_CD, sy-vline,
  WA_OIUGR_PRDT_PR-PROC_ID, sy-vline,
  WA_OIUGR_PRDT_PR-SALES_DT, sy-vline,
  WA_OIUGR_PRDT_PR-DERIVED_WL_NO, sy-vline,
  WA_OIUGR_PRDT_PR-DERIVED_WC_NO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIUGR_PRDT_PR 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_OIUGR_PRDT_PR 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_OIUGR_PRDT_PR INTO WA_OIUGR_PRDT_PR.


*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 MATN1, internal->external for field PRD_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIUGR_PRDT_PR-PRD_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIUGR_PRDT_PR-PRD_MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIUGR_PRDT_PR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIUGR_PRDT_PR-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field STD_VOL_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIUGR_PRDT_PR-STD_VOL_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIUGR_PRDT_PR-STD_VOL_U.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ENERGY_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIUGR_PRDT_PR-ENERGY_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIUGR_PRDT_PR-ENERGY_U.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field HEAT_VAL_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIUGR_PRDT_PR-HEAT_VAL_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIUGR_PRDT_PR-HEAT_VAL_U.
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_OIUGR_PRDT_PR_STR, 
MANDT TYPE STRING,
RUN_ID TYPE STRING,
ROYTXN_PR_GUID TYPE STRING,
PRD_MATNR TYPE STRING,
MATNR TYPE STRING,
VT_CD TYPE STRING,
VC_CD TYPE STRING,
PROC_ID TYPE STRING,
SALES_DT TYPE STRING,
DERIVED_WL_NO TYPE STRING,
DERIVED_WC_NO TYPE STRING,
STD_VOL TYPE STRING,
STD_VOL_U TYPE STRING,
ENERGY TYPE STRING,
ENERGY_U TYPE STRING,
HEAT_VAL TYPE STRING,
HEAT_VAL_U TYPE STRING,
DAYS_PROD TYPE STRING,
PRD_HRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIUGR_PRDT_PR_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_OIUGR_PRDT_PR_STR-MANDT sy-vline 
WA_OIUGR_PRDT_PR_STR-RUN_ID sy-vline 
WA_OIUGR_PRDT_PR_STR-ROYTXN_PR_GUID sy-vline 
WA_OIUGR_PRDT_PR_STR-PRD_MATNR sy-vline 
WA_OIUGR_PRDT_PR_STR-MATNR sy-vline 
WA_OIUGR_PRDT_PR_STR-VT_CD sy-vline 
WA_OIUGR_PRDT_PR_STR-VC_CD sy-vline 
WA_OIUGR_PRDT_PR_STR-PROC_ID sy-vline 
WA_OIUGR_PRDT_PR_STR-SALES_DT sy-vline 
WA_OIUGR_PRDT_PR_STR-DERIVED_WL_NO sy-vline 
WA_OIUGR_PRDT_PR_STR-DERIVED_WC_NO sy-vline 
WA_OIUGR_PRDT_PR_STR-STD_VOL sy-vline 
WA_OIUGR_PRDT_PR_STR-STD_VOL_U sy-vline 
WA_OIUGR_PRDT_PR_STR-ENERGY sy-vline 
WA_OIUGR_PRDT_PR_STR-ENERGY_U sy-vline 
WA_OIUGR_PRDT_PR_STR-HEAT_VAL sy-vline 
WA_OIUGR_PRDT_PR_STR-HEAT_VAL_U sy-vline 
WA_OIUGR_PRDT_PR_STR-DAYS_PROD sy-vline 
WA_OIUGR_PRDT_PR_STR-PRD_HRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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