ABAP Select data from SAP table IINFRECORDPRCHIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IINFRECORDPRCHIS
*  INTO TABLE @DATA(IT_IINFRECORDPRCHIS2).
*--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_IINFRECORDPRCHIS INDEX 1 INTO DATA(WA_IINFRECORDPRCHIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IINFRECORDPRCHIS>-MANDT = 1.
<IINFRECORDPRCHIS>-PURCHASINGINFORECORD = 1.
<IINFRECORDPRCHIS>-PURCHASINGDOCUMENT = 1.
<IINFRECORDPRCHIS>-PURCHASINGDOCUMENTITEM = 1.
<IINFRECORDPRCHIS>-PURCHASINGINFORECORDCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IINFRECORDPRCHIS-PLANT, sy-vline,
  WA_IINFRECORDPRCHIS-PURCHASINGORGANIZATION, sy-vline,
  WA_IINFRECORDPRCHIS-PURCHASINGDOCUMENTORDERDATE, sy-vline,
  WA_IINFRECORDPRCHIS-ORDERQUANTITY, sy-vline,
  WA_IINFRECORDPRCHIS-PURGDOCNETPRICEAMOUNT, sy-vline,
  WA_IINFRECORDPRCHIS-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IINFRECORDPRCHIS 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_IINFRECORDPRCHIS 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_IINFRECORDPRCHIS INTO WA_IINFRECORDPRCHIS.


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

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

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

*Conversion exit CUNIT, internal->external for field REFERENCEDOCUMENTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IINFRECORDPRCHIS-REFERENCEDOCUMENTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IINFRECORDPRCHIS-REFERENCEDOCUMENTUNIT.
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_IINFRECORDPRCHIS_STR, 
MANDT TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
PURCHASINGINFORECORDCATEGORY TYPE STRING,
PLANT TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGDOCUMENTORDERDATE TYPE STRING,
ORDERQUANTITY TYPE STRING,
PURGDOCNETPRICEAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
PURCHASEORDERPRICEUNIT TYPE STRING,
ORDERPRICEUNITQTY TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
PURORDPRICEINREFDOCCRCY TYPE STRING,
REFERENCEDOCUMENTCRCY TYPE STRING,
REFERENCEDOCUMENTQUANTITY TYPE STRING,
REFERENCEDOCUMENTUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IINFRECORDPRCHIS_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_IINFRECORDPRCHIS_STR-MANDT sy-vline 
WA_IINFRECORDPRCHIS_STR-PURCHASINGINFORECORD sy-vline 
WA_IINFRECORDPRCHIS_STR-PURCHASINGDOCUMENT sy-vline 
WA_IINFRECORDPRCHIS_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_IINFRECORDPRCHIS_STR-PURCHASINGINFORECORDCATEGORY sy-vline 
WA_IINFRECORDPRCHIS_STR-PLANT sy-vline 
WA_IINFRECORDPRCHIS_STR-PURCHASINGORGANIZATION sy-vline 
WA_IINFRECORDPRCHIS_STR-PURCHASINGDOCUMENTORDERDATE sy-vline 
WA_IINFRECORDPRCHIS_STR-ORDERQUANTITY sy-vline 
WA_IINFRECORDPRCHIS_STR-PURGDOCNETPRICEAMOUNT sy-vline 
WA_IINFRECORDPRCHIS_STR-CURRENCY sy-vline 
WA_IINFRECORDPRCHIS_STR-PURCHASEORDERPRICEUNIT sy-vline 
WA_IINFRECORDPRCHIS_STR-ORDERPRICEUNITQTY sy-vline 
WA_IINFRECORDPRCHIS_STR-ORDERPRICEUNIT sy-vline 
WA_IINFRECORDPRCHIS_STR-PURORDPRICEINREFDOCCRCY sy-vline 
WA_IINFRECORDPRCHIS_STR-REFERENCEDOCUMENTCRCY sy-vline 
WA_IINFRECORDPRCHIS_STR-REFERENCEDOCUMENTQUANTITY sy-vline 
WA_IINFRECORDPRCHIS_STR-REFERENCEDOCUMENTUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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