ABAP Select data from SAP table PRH_CPET_SURCHARGE_CONVERSION 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_SURCHARGE_CONVERSION 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_SURCHARGE_CONVERSION. 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_SURCHARGE_CONVERSION 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_SURCHARGE_CONVERSION TYPE STANDARD TABLE OF PRH_CPET_SURCHARGE_CONVERSION,
      WA_PRH_CPET_SURCHARGE_CONVERSION TYPE PRH_CPET_SURCHARGE_CONVERSION,
      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_SURCHARGE_CONVERSION> TYPE PRH_CPET_SURCHARGE_CONVERSION.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRH_CPET_SURCHARGE_CONVERSION
*  INTO TABLE @DATA(IT_PRH_CPET_SURCHARGE_CONVERSION2).
*--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_SURCHARGE_CONVERSION INDEX 1 INTO DATA(WA_PRH_CPET_SURCHARGE_CONVERSION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRH_CPET_SURCHARGE_CONVERSION>-SURCHARGEABS = 1.
<PRH_CPET_SURCHARGE_CONVERSION>-SURCHARGECURR = 1.
<PRH_CPET_SURCHARGE_CONVERSION>-SURCHARGEPRUN = 1.
<PRH_CPET_SURCHARGE_CONVERSION>-SURCHARGEUOM = 1.
<PRH_CPET_SURCHARGE_CONVERSION>-SURCHARGEABS_CONV = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRH_CPET_SURCHARGE_CONVERSION-SURCHARGECURR_CONV, sy-vline,
  WA_PRH_CPET_SURCHARGE_CONVERSION-SURCHARGEPRUN_CONV, sy-vline,
  WA_PRH_CPET_SURCHARGE_CONVERSION-SURCHARGEUOM_CONV, sy-vline,
  WA_PRH_CPET_SURCHARGE_CONVERSION-SURCHARGEINTER, sy-vline,
  WA_PRH_CPET_SURCHARGE_CONVERSION-SURCHARGEINTER_CURR, sy-vline,
  WA_PRH_CPET_SURCHARGE_CONVERSION-SURCHARGEINTER_PRUN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRH_CPET_SURCHARGE_CONVERSION 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_SURCHARGE_CONVERSION 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_SURCHARGE_CONVERSION INTO WA_PRH_CPET_SURCHARGE_CONVERSION.


*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 SURCHARGEUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_SURCHARGE_CONVERSION-SURCHARGEUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_SURCHARGE_CONVERSION-SURCHARGEUOM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field QUOTUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_SURCHARGE_CONVERSION-QUOTUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_SURCHARGE_CONVERSION-QUOTUOM.
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_SURCHARGE_CONVERSION_STR, 
SURCHARGEABS TYPE STRING,
SURCHARGECURR TYPE STRING,
SURCHARGEPRUN TYPE STRING,
SURCHARGEUOM TYPE STRING,
SURCHARGEABS_CONV TYPE STRING,
SURCHARGECURR_CONV TYPE STRING,
SURCHARGEPRUN_CONV TYPE STRING,
SURCHARGEUOM_CONV TYPE STRING,
SURCHARGEINTER TYPE STRING,
SURCHARGEINTER_CURR TYPE STRING,
SURCHARGEINTER_PRUN TYPE STRING,
SURCHARGEINTER_UOM TYPE STRING,
SURCHARGEINTER_RND TYPE STRING,
SURCHARGEINTER_RND_CURR TYPE STRING,
SURCHARGEINTER_RND_PRUN TYPE STRING,
SURCHARGEINTER_RND_UOM TYPE STRING,
SURCHARGERATE TYPE STRING,
SURCHARGERATE_CURR TYPE STRING,
SURCHARGERATE_PRUN TYPE STRING,
SURCHARGERATE_UOM TYPE STRING,
QUOTATION TYPE STRING,
QUOTCURR TYPE STRING,
QUOTPRUN TYPE STRING,
QUOTUOM TYPE STRING,
SURCHARGEFACTOR1 TYPE STRING,
SURCHARGEFACTOR2 TYPE STRING,
QUOTATION_DF34 TYPE STRING,
SURCHARGEABS_DF34 TYPE STRING,
SURCHARGEABS_CONV_DF34 TYPE STRING,
SURCHARGERATE_DF34 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRH_CPET_SURCHARGE_CONVERSION_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_SURCHARGE_CONVERSION_STR-SURCHARGEABS sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGECURR sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEPRUN sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEUOM sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEABS_CONV sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGECURR_CONV sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEPRUN_CONV sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEUOM_CONV sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEINTER sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEINTER_CURR sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEINTER_PRUN sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEINTER_UOM sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEINTER_RND sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEINTER_RND_CURR sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEINTER_RND_PRUN sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEINTER_RND_UOM sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGERATE sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGERATE_CURR sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGERATE_PRUN sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGERATE_UOM sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-QUOTATION sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-QUOTCURR sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-QUOTPRUN sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-QUOTUOM sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEFACTOR1 sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEFACTOR2 sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-QUOTATION_DF34 sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEABS_DF34 sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGEABS_CONV_DF34 sy-vline 
WA_PRH_CPET_SURCHARGE_CONVERSION_STR-SURCHARGERATE_DF34 sy-vline      INTO ld_text SEPARATED BY SPACE.

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