ABAP Select data from SAP table PRH_CPET_PRCFIX_DEF 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_PRCFIX_DEF 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_PRCFIX_DEF. 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_PRCFIX_DEF 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_PRCFIX_DEF TYPE STANDARD TABLE OF PRH_CPET_PRCFIX_DEF,
      WA_PRH_CPET_PRCFIX_DEF TYPE PRH_CPET_PRCFIX_DEF,
      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_PRCFIX_DEF> TYPE PRH_CPET_PRCFIX_DEF.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRH_CPET_PRCFIX_DEF
*  INTO TABLE @DATA(IT_PRH_CPET_PRCFIX_DEF2).
*--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_PRCFIX_DEF INDEX 1 INTO DATA(WA_PRH_CPET_PRCFIX_DEF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRH_CPET_PRCFIX_DEF>-REF_GUID = 1.
<PRH_CPET_PRCFIX_DEF>-EXER_DATE_EARLY_ROUT = 1.
<PRH_CPET_PRCFIX_DEF>-EXER_DATE_EARLIEST = 1.
<PRH_CPET_PRCFIX_DEF>-EXER_DATE_EARLIEST_REF_DATE_RT = 1.
<PRH_CPET_PRCFIX_DEF>-EXER_DATE_LATEST_ROUT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRH_CPET_PRCFIX_DEF-EXER_DATE_LATEST, sy-vline,
  WA_PRH_CPET_PRCFIX_DEF-EXER_DATE_LATEST_REF_DATE_RT, sy-vline,
  WA_PRH_CPET_PRCFIX_DEF-QUANTITY_DISTR_ROUT, sy-vline,
  WA_PRH_CPET_PRCFIX_DEF-QUANTITY_REF, sy-vline,
  WA_PRH_CPET_PRCFIX_DEF-QUANTITY_REF_UOM, sy-vline,
  WA_PRH_CPET_PRCFIX_DEF-LIMIT_ROUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRH_CPET_PRCFIX_DEF 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_PRCFIX_DEF 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_PRCFIX_DEF INTO WA_PRH_CPET_PRCFIX_DEF.


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

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

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

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

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

*Conversion exit CUNIT, internal->external for field LIMIT_QUANTITY_UOM_UI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_PRCFIX_DEF-LIMIT_QUANTITY_UOM_UI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_PRCFIX_DEF-LIMIT_QUANTITY_UOM_UI.
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_PRCFIX_DEF_STR, 
REF_GUID TYPE STRING,
EXER_DATE_EARLY_ROUT TYPE STRING,
EXER_DATE_EARLIEST TYPE STRING,
EXER_DATE_EARLIEST_REF_DATE_RT TYPE STRING,
EXER_DATE_LATEST_ROUT TYPE STRING,
EXER_DATE_LATEST TYPE STRING,
EXER_DATE_LATEST_REF_DATE_RT TYPE STRING,
QUANTITY_DISTR_ROUT TYPE STRING,
QUANTITY_REF TYPE STRING,
QUANTITY_REF_UOM TYPE STRING,
LIMIT_ROUT TYPE STRING,
LIMIT_QUANTITY TYPE STRING,
LIMIT_QUANTITY_UOM TYPE STRING,
LIMIT_FACTOR_1 TYPE STRING,
LIMIT_FACTOR_2 TYPE STRING,
PRICE_REF_ROUT TYPE STRING,
PRICEFIXRULE TYPE STRING,
TIER_REF_DATE_ROUT TYPE STRING,
PRC_FIXATION_STATUS TYPE STRING,
NON_FIXED_QUANTITY TYPE STRING,
NON_FIXED_QTY_UOM TYPE STRING,
EXER_DATE_EARLIEST_PRELIM_IND TYPE STRING,
EXER_DATE_LATEST_PRELIM_IND TYPE STRING,
LIMIT_QUANTITY_OUT TYPE STRING,
LIMIT_QUANTITY_UOM_OUT TYPE STRING,
EXERDATE_EARLY_REFDATROUT_TEXT TYPE STRING,
EXERDATE_LATE_REFDATROUT_TEXT TYPE STRING,
TIER_REF_DATE_ROUT_TEXT TYPE STRING,
DELETE_INACTIV TYPE STRING,
CREATE_INACTIVE TYPE STRING,
LIMIT_QUANTITY_UI TYPE STRING,
LIMIT_QUANTITY_UOM_UI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRH_CPET_PRCFIX_DEF_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_PRCFIX_DEF_STR-REF_GUID sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXER_DATE_EARLY_ROUT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXER_DATE_EARLIEST sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXER_DATE_EARLIEST_REF_DATE_RT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXER_DATE_LATEST_ROUT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXER_DATE_LATEST sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXER_DATE_LATEST_REF_DATE_RT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-QUANTITY_DISTR_ROUT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-QUANTITY_REF sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-QUANTITY_REF_UOM sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_ROUT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_QUANTITY sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_QUANTITY_UOM sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_FACTOR_1 sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_FACTOR_2 sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-PRICE_REF_ROUT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-PRICEFIXRULE sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-TIER_REF_DATE_ROUT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-PRC_FIXATION_STATUS sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-NON_FIXED_QUANTITY sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-NON_FIXED_QTY_UOM sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXER_DATE_EARLIEST_PRELIM_IND sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXER_DATE_LATEST_PRELIM_IND sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_QUANTITY_OUT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_QUANTITY_UOM_OUT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXERDATE_EARLY_REFDATROUT_TEXT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-EXERDATE_LATE_REFDATROUT_TEXT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-TIER_REF_DATE_ROUT_TEXT sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-DELETE_INACTIV sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-CREATE_INACTIVE sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_QUANTITY_UI sy-vline 
WA_PRH_CPET_PRCFIX_DEF_STR-LIMIT_QUANTITY_UOM_UI sy-vline      INTO ld_text SEPARATED BY SPACE.

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