ABAP Select data from SAP table PGRIRHISTSTATCH3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PGRIRHISTSTATCH3 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 PGRIRHISTSTATCH3. 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 PGRIRHISTSTATCH3 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_PGRIRHISTSTATCH3 TYPE STANDARD TABLE OF PGRIRHISTSTATCH3,
      WA_PGRIRHISTSTATCH3 TYPE PGRIRHISTSTATCH3,
      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: <PGRIRHISTSTATCH3> TYPE PGRIRHISTSTATCH3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PGRIRHISTSTATCH3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PGRIRHISTSTATCH3
  INTO TABLE IT_PGRIRHISTSTATCH3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PGRIRHISTSTATCH3
*  INTO TABLE @DATA(IT_PGRIRHISTSTATCH32).
*--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_PGRIRHISTSTATCH3 INDEX 1 INTO DATA(WA_PGRIRHISTSTATCH32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PGRIRHISTSTATCH3 ASSIGNING <PGRIRHISTSTATCH3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PGRIRHISTSTATCH3>-MANDT = 1.
<PGRIRHISTSTATCH3>-COMPANYCODE = 1.
<PGRIRHISTSTATCH3>-PURCHASINGDOCUMENT = 1.
<PGRIRHISTSTATCH3>-PURCHASINGDOCUMENTITEM = 1.
<PGRIRHISTSTATCH3>-LASTCHANGEDATETIME = 1.

ENDLOOP.

LOOP AT IT_PGRIRHISTSTATCH3 INTO WA_PGRIRHISTSTATCH3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PGRIRHISTSTATCH3-GRIRCLEARINGPROCESSSTATUS, sy-vline,
  WA_PGRIRHISTSTATCH3-GRIRCLRGPROCNEXTCHANGEDATETIME, sy-vline,
  WA_PGRIRHISTSTATCH3-GRIRCLEARINGPROCESSNEXTSTATUS, sy-vline,
  WA_PGRIRHISTSTATCH3-SUPPLIER, sy-vline,
  WA_PGRIRHISTSTATCH3-PLANT, sy-vline,
  WA_PGRIRHISTSTATCH3-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PGRIRHISTSTATCH3 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_PGRIRHISTSTATCH3 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_PGRIRHISTSTATCH3 INTO WA_PGRIRHISTSTATCH3.


*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 PURCHASINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGRIRHISTSTATCH3-PURCHASINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGRIRHISTSTATCH3-PURCHASINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGRIRHISTSTATCH3-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGRIRHISTSTATCH3-SUPPLIER.
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_PGRIRHISTSTATCH3_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
GRIRCLEARINGPROCESSSTATUS TYPE STRING,
GRIRCLRGPROCNEXTCHANGEDATETIME TYPE STRING,
GRIRCLEARINGPROCESSNEXTSTATUS TYPE STRING,
SUPPLIER TYPE STRING,
PLANT TYPE STRING,
MATERIALGROUP TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
NUMBEROFPURCHASEORDERITEMS TYPE STRING,
GRIRCLRGPROCTHROUGHPUTSECONDS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PGRIRHISTSTATCH3_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_PGRIRHISTSTATCH3_STR-MANDT sy-vline 
WA_PGRIRHISTSTATCH3_STR-COMPANYCODE sy-vline 
WA_PGRIRHISTSTATCH3_STR-PURCHASINGDOCUMENT sy-vline 
WA_PGRIRHISTSTATCH3_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PGRIRHISTSTATCH3_STR-LASTCHANGEDATETIME sy-vline 
WA_PGRIRHISTSTATCH3_STR-GRIRCLEARINGPROCESSSTATUS sy-vline 
WA_PGRIRHISTSTATCH3_STR-GRIRCLRGPROCNEXTCHANGEDATETIME sy-vline 
WA_PGRIRHISTSTATCH3_STR-GRIRCLEARINGPROCESSNEXTSTATUS sy-vline 
WA_PGRIRHISTSTATCH3_STR-SUPPLIER sy-vline 
WA_PGRIRHISTSTATCH3_STR-PLANT sy-vline 
WA_PGRIRHISTSTATCH3_STR-MATERIALGROUP sy-vline 
WA_PGRIRHISTSTATCH3_STR-PURCHASINGGROUP sy-vline 
WA_PGRIRHISTSTATCH3_STR-PURCHASINGORGANIZATION sy-vline 
WA_PGRIRHISTSTATCH3_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PGRIRHISTSTATCH3_STR-NUMBEROFPURCHASEORDERITEMS sy-vline 
WA_PGRIRHISTSTATCH3_STR-GRIRCLRGPROCTHROUGHPUTSECONDS sy-vline      INTO ld_text SEPARATED BY SPACE.

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