ABAP Select data from SAP table PRTWIPHISTORY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRTWIPHISTORY
*  INTO TABLE @DATA(IT_PRTWIPHISTORY2).
*--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_PRTWIPHISTORY INDEX 1 INTO DATA(WA_PRTWIPHISTORY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRTWIPHISTORY>-MANDT = 1.
<PRTWIPHISTORY>-ORDERID = 1.
<PRTWIPHISTORY>-COMPANYCODE = 1.
<PRTWIPHISTORY>-CONTROLLINGAREA = 1.
<PRTWIPHISTORY>-ORDERDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRTWIPHISTORY-MFGORDERHASMULTIPLEITEMS, sy-vline,
  WA_PRTWIPHISTORY-MATERIAL, sy-vline,
  WA_PRTWIPHISTORY-MATERIALGROUP, sy-vline,
  WA_PRTWIPHISTORY-ORDERCATEGORY, sy-vline,
  WA_PRTWIPHISTORY-ORDERTYPE, sy-vline,
  WA_PRTWIPHISTORY-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRTWIPHISTORY 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_PRTWIPHISTORY 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_PRTWIPHISTORY INTO WA_PRTWIPHISTORY.


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

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

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRTWIPHISTORY-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRTWIPHISTORY-PROFITCENTER.
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_PRTWIPHISTORY_STR, 
MANDT TYPE STRING,
ORDERID TYPE STRING,
COMPANYCODE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
ORDERDESCRIPTION TYPE STRING,
MFGORDERHASMULTIPLEITEMS TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
ORDERCATEGORY TYPE STRING,
ORDERTYPE TYPE STRING,
PLANT TYPE STRING,
PROFITCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
STORAGELOCATION TYPE STRING,
MRPAREA TYPE STRING,
MRPPLANT TYPE STRING,
WIPCOSTINDSPCRCY TYPE STRING,
TOTALWIPAMOUNTINDSPCRCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRTWIPHISTORY_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_PRTWIPHISTORY_STR-MANDT sy-vline 
WA_PRTWIPHISTORY_STR-ORDERID sy-vline 
WA_PRTWIPHISTORY_STR-COMPANYCODE sy-vline 
WA_PRTWIPHISTORY_STR-CONTROLLINGAREA sy-vline 
WA_PRTWIPHISTORY_STR-ORDERDESCRIPTION sy-vline 
WA_PRTWIPHISTORY_STR-MFGORDERHASMULTIPLEITEMS sy-vline 
WA_PRTWIPHISTORY_STR-MATERIAL sy-vline 
WA_PRTWIPHISTORY_STR-MATERIALGROUP sy-vline 
WA_PRTWIPHISTORY_STR-ORDERCATEGORY sy-vline 
WA_PRTWIPHISTORY_STR-ORDERTYPE sy-vline 
WA_PRTWIPHISTORY_STR-PLANT sy-vline 
WA_PRTWIPHISTORY_STR-PROFITCENTER sy-vline 
WA_PRTWIPHISTORY_STR-FUNCTIONALAREA sy-vline 
WA_PRTWIPHISTORY_STR-STORAGELOCATION sy-vline 
WA_PRTWIPHISTORY_STR-MRPAREA sy-vline 
WA_PRTWIPHISTORY_STR-MRPPLANT sy-vline 
WA_PRTWIPHISTORY_STR-WIPCOSTINDSPCRCY sy-vline 
WA_PRTWIPHISTORY_STR-TOTALWIPAMOUNTINDSPCRCY sy-vline 
WA_PRTWIPHISTORY_STR-DISPLAYCURRENCY sy-vline 
WA_PRTWIPHISTORY_STR-CREATEDBYUSER sy-vline 
WA_PRTWIPHISTORY_STR-CREATIONDATE sy-vline 
WA_PRTWIPHISTORY_STR-LASTCHANGEDBYUSER sy-vline 
WA_PRTWIPHISTORY_STR-LASTCHANGEDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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