ABAP Select data from SAP table PRH_CPET_ROUNDING_UI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRH_CPET_ROUNDING_UI
*  INTO TABLE @DATA(IT_PRH_CPET_ROUNDING_UI2).
*--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_PRH_CPET_ROUNDING_UI INDEX 1 INTO DATA(WA_PRH_CPET_ROUNDING_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRH_CPET_ROUNDING_UI>-DOCITEM_GUID = 1.
<PRH_CPET_ROUNDING_UI>-COND_TYPE = 1.
<PRH_CPET_ROUNDING_UI>-TERMNO = 1.
<PRH_CPET_ROUNDING_UI>-VTEXT = 1.
<PRH_CPET_ROUNDING_UI>-VALIDFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRH_CPET_ROUNDING_UI-CONVPLACE, sy-vline,
  WA_PRH_CPET_ROUNDING_UI-CONVPLACETEXT, sy-vline,
  WA_PRH_CPET_ROUNDING_UI-TERMGROUP, sy-vline,
  WA_PRH_CPET_ROUNDING_UI-ROUNDRULE, sy-vline,
  WA_PRH_CPET_ROUNDING_UI-RULETEXT, sy-vline,
  WA_PRH_CPET_ROUNDING_UI-ROUNDROUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRH_CPET_ROUNDING_UI 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_PRH_CPET_ROUNDING_UI 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_PRH_CPET_ROUNDING_UI INTO WA_PRH_CPET_ROUNDING_UI.


*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 TSTPS, internal->external for field VALIDFROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_ROUNDING_UI-VALIDFROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_ROUNDING_UI-VALIDFROM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field UNROUD_UOM_RATE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_ROUNDING_UI-UNROUD_UOM_RATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_ROUNDING_UI-UNROUD_UOM_RATE.
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_PRH_CPET_ROUNDING_UI_STR, 
DOCITEM_GUID TYPE STRING,
COND_TYPE TYPE STRING,
TERMNO TYPE STRING,
VTEXT TYPE STRING,
VALIDFROM TYPE STRING,
CONVPLACE TYPE STRING,
CONVPLACETEXT TYPE STRING,
TERMGROUP TYPE STRING,
ROUNDRULE TYPE STRING,
RULETEXT TYPE STRING,
ROUNDROUT TYPE STRING,
NUMDECS TYPE STRING,
NUMTENS TYPE STRING,
ROUTTEXT TYPE STRING,
ROUD_CURR_VALUE_RATE TYPE STRING,
ROUD_CURR_RATE TYPE STRING,
ROUD_PRICE_UNIT_RATE TYPE STRING,
ROUD_UOM_RATE TYPE STRING,
ROUD_QUANTITY_VALUE TYPE STRING,
ROUD_UOM TYPE STRING,
ROUD_CURR_VALUE TYPE STRING,
ROUD_CURR TYPE STRING,
UNROUD_QUANTITY_VALUE TYPE STRING,
UNROUD_UOM TYPE STRING,
UNROUD_CURR_VALUE TYPE STRING,
UNROUD_CURR TYPE STRING,
UNROUD_CURR_VAL_RATE TYPE STRING,
UNROUD_CURR_RATE TYPE STRING,
UNROUD_PRICE_UNIT_RATE TYPE STRING,
UNROUD_UOM_RATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRH_CPET_ROUNDING_UI_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_PRH_CPET_ROUNDING_UI_STR-DOCITEM_GUID sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-COND_TYPE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-TERMNO sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-VTEXT sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-VALIDFROM sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-CONVPLACE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-CONVPLACETEXT sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-TERMGROUP sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUNDRULE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-RULETEXT sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUNDROUT sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-NUMDECS sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-NUMTENS sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUTTEXT sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUD_CURR_VALUE_RATE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUD_CURR_RATE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUD_PRICE_UNIT_RATE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUD_UOM_RATE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUD_QUANTITY_VALUE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUD_UOM sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUD_CURR_VALUE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-ROUD_CURR sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-UNROUD_QUANTITY_VALUE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-UNROUD_UOM sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-UNROUD_CURR_VALUE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-UNROUD_CURR sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-UNROUD_CURR_VAL_RATE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-UNROUD_CURR_RATE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-UNROUD_PRICE_UNIT_RATE sy-vline 
WA_PRH_CPET_ROUNDING_UI_STR-UNROUD_UOM_RATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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