ABAP Select data from SAP table IGRIRPRED into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IGRIRPRED 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 IGRIRPRED. 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 IGRIRPRED 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_IGRIRPRED TYPE STANDARD TABLE OF IGRIRPRED,
      WA_IGRIRPRED TYPE IGRIRPRED,
      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: <IGRIRPRED> TYPE IGRIRPRED.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IGRIRPRED
*  INTO TABLE @DATA(IT_IGRIRPRED2).
*--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_IGRIRPRED INDEX 1 INTO DATA(WA_IGRIRPRED2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IGRIRPRED-LASTCHANGEDBYUSER, sy-vline,
  WA_IGRIRPRED-GRIRCLEARINGPROCESSSTATUS, sy-vline,
  WA_IGRIRPRED-PREVGRIRCLEARINGPROCESSSTATUS, sy-vline,
  WA_IGRIRPRED-GRIRCLEARINGPROCESSPRIORITY, sy-vline,
  WA_IGRIRPRED-PREVGRIRCLRGPROCPRIORITY, sy-vline,
  WA_IGRIRPRED-RESPONSIBLEPERSON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IGRIRPRED 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_IGRIRPRED 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_IGRIRPRED INTO WA_IGRIRPRED.


*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_IGRIRPRED-PURCHASINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IGRIRPRED-PURCHASINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field PURGDOCORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IGRIRPRED-PURGDOCORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IGRIRPRED-PURGDOCORDERQUANTITYUNIT.
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_IGRIRPRED_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
GRIRCLEARINGPROCESSSTATUS TYPE STRING,
PREVGRIRCLEARINGPROCESSSTATUS TYPE STRING,
GRIRCLEARINGPROCESSPRIORITY TYPE STRING,
PREVGRIRCLRGPROCPRIORITY TYPE STRING,
RESPONSIBLEPERSON TYPE STRING,
PREVRESPONSIBLEPERSON TYPE STRING,
RESPONSIBLEDEPARTMENT TYPE STRING,
PREVRESPONSIBLEDEPARTMENT TYPE STRING,
GRIRCLEARINGPROCESSROOTCAUSE TYPE STRING,
HASNOTE TYPE STRING,
SYSTEMMESSAGEIDENTIFICATION TYPE STRING,
SYSTEMMESSAGETYPE TYPE STRING,
SYSTEMMESSAGENUMBER TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
BALAMTINCOMPANYCODECRCY TYPE STRING,
BALANCEQUANTITY TYPE STRING,
ISFINALLYINVOICED TYPE STRING,
LATESTOPENITEMPOSTINGDATE TYPE STRING,
MATERIALGROUP TYPE STRING,
NUMBEROFGOODSRECEIPTS TYPE STRING,
NUMBEROFINVOICERECEIPTS TYPE STRING,
OLDESTOPENITEMPOSTINGDATE TYPE STRING,
PLANT TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
SUPPLIER TYPE STRING,
DUEDAYS TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
PURGDOCORDERQUANTITYUNIT TYPE STRING,
PRPSDRESPONSIBLEDEPARTMENT TYPE STRING,
PROPOSEDRESPONSIBLEPERSON TYPE STRING,
GRIRCLRGPROCESSPRPSDSTATUS TYPE STRING,
GRIRCLRGPROCPRPSDPRIORITY TYPE STRING,
GRIRCLRGPROCESSPRPSDROOTCAUSE TYPE STRING,
PRPSDRESPDEPTMAXCLPROBABILITY TYPE STRING,
PRPSDRESPPERSONMAXCLASSPROBLTY TYPE STRING,
GRIRPROPOSEDSTATUSMAXCLPROBLTY TYPE STRING,
GRIRPROPOSEDPRIOMAXCLPROBLTY TYPE STRING,
GRIRPRPSDROOTCAUSEMAXCLPROBLTY TYPE STRING,
GOODSRECEIPTGOODSAMTINCCCRCY TYPE STRING,
INVOICERCPTGOODSAMTINCCCRCY TYPE STRING,
GDSRCPTDELIVCOSTAMTINCCCRCY TYPE STRING,
INVCRCPTDELIVCOSTAMTINCCCRCY TYPE STRING,
GOODSRECEIPTGOODSQUANTITY TYPE STRING,
INVOICERECEIPTGOODSQUANTITY TYPE STRING,
GOODSRECEIPTDELIVERYCOSTQTY TYPE STRING,
INVOICERCPTDELIVERYCOSTQTY TYPE STRING,
GOODSBALANCEAMOUNTINCCCRCY TYPE STRING,
GOODSBALANCEQUANTITY TYPE STRING,
DELIVERYCOSTBALAMTINCCCRCY TYPE STRING,
DELIVERYCOSTBALANCEQUANTITY TYPE STRING,
GOODSRECEIPTAMOUNTINCOCODECRCY TYPE STRING,
GOODSRECEIPTQTY TYPE STRING,
INVOICERCPTAMTINCOCODECRCY TYPE STRING,
INVOICERECEIPTQTY TYPE STRING,
ISGOODSRCPTGOODSAMTSURPLUS TYPE STRING,
ISINVOICEGOODSAMOUNTSURPLUS TYPE STRING,
ISGDSRCPTDELIVCOSTAMTSURPLUS TYPE STRING,
ISINVOICEDELIVCOSTAMTSURPLUS TYPE STRING,
ISGOODSRCPTGOODSQTYSURPLUS TYPE STRING,
ISINVOICEGOODSQTYSURPLUS TYPE STRING,
ISGDSRCPTDELIVCOSTQTYSURPLUS TYPE STRING,
ISINVOICEDELIVCOSTQTYSURPLUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IGRIRPRED_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_IGRIRPRED_STR-MANDT sy-vline 
WA_IGRIRPRED_STR-COMPANYCODE sy-vline 
WA_IGRIRPRED_STR-PURCHASINGDOCUMENT sy-vline 
WA_IGRIRPRED_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_IGRIRPRED_STR-LASTCHANGEDATETIME sy-vline 
WA_IGRIRPRED_STR-LASTCHANGEDBYUSER sy-vline 
WA_IGRIRPRED_STR-GRIRCLEARINGPROCESSSTATUS sy-vline 
WA_IGRIRPRED_STR-PREVGRIRCLEARINGPROCESSSTATUS sy-vline 
WA_IGRIRPRED_STR-GRIRCLEARINGPROCESSPRIORITY sy-vline 
WA_IGRIRPRED_STR-PREVGRIRCLRGPROCPRIORITY sy-vline 
WA_IGRIRPRED_STR-RESPONSIBLEPERSON sy-vline 
WA_IGRIRPRED_STR-PREVRESPONSIBLEPERSON sy-vline 
WA_IGRIRPRED_STR-RESPONSIBLEDEPARTMENT sy-vline 
WA_IGRIRPRED_STR-PREVRESPONSIBLEDEPARTMENT sy-vline 
WA_IGRIRPRED_STR-GRIRCLEARINGPROCESSROOTCAUSE sy-vline 
WA_IGRIRPRED_STR-HASNOTE sy-vline 
WA_IGRIRPRED_STR-SYSTEMMESSAGEIDENTIFICATION sy-vline 
WA_IGRIRPRED_STR-SYSTEMMESSAGETYPE sy-vline 
WA_IGRIRPRED_STR-SYSTEMMESSAGENUMBER sy-vline 
WA_IGRIRPRED_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_IGRIRPRED_STR-BALAMTINCOMPANYCODECRCY sy-vline 
WA_IGRIRPRED_STR-BALANCEQUANTITY sy-vline 
WA_IGRIRPRED_STR-ISFINALLYINVOICED sy-vline 
WA_IGRIRPRED_STR-LATESTOPENITEMPOSTINGDATE sy-vline 
WA_IGRIRPRED_STR-MATERIALGROUP sy-vline 
WA_IGRIRPRED_STR-NUMBEROFGOODSRECEIPTS sy-vline 
WA_IGRIRPRED_STR-NUMBEROFINVOICERECEIPTS sy-vline 
WA_IGRIRPRED_STR-OLDESTOPENITEMPOSTINGDATE sy-vline 
WA_IGRIRPRED_STR-PLANT sy-vline 
WA_IGRIRPRED_STR-PURCHASINGGROUP sy-vline 
WA_IGRIRPRED_STR-PURCHASINGORGANIZATION sy-vline 
WA_IGRIRPRED_STR-SUPPLIER sy-vline 
WA_IGRIRPRED_STR-DUEDAYS sy-vline 
WA_IGRIRPRED_STR-COMPANYCODECURRENCY sy-vline 
WA_IGRIRPRED_STR-PURGDOCORDERQUANTITYUNIT sy-vline 
WA_IGRIRPRED_STR-PRPSDRESPONSIBLEDEPARTMENT sy-vline 
WA_IGRIRPRED_STR-PROPOSEDRESPONSIBLEPERSON sy-vline 
WA_IGRIRPRED_STR-GRIRCLRGPROCESSPRPSDSTATUS sy-vline 
WA_IGRIRPRED_STR-GRIRCLRGPROCPRPSDPRIORITY sy-vline 
WA_IGRIRPRED_STR-GRIRCLRGPROCESSPRPSDROOTCAUSE sy-vline 
WA_IGRIRPRED_STR-PRPSDRESPDEPTMAXCLPROBABILITY sy-vline 
WA_IGRIRPRED_STR-PRPSDRESPPERSONMAXCLASSPROBLTY sy-vline 
WA_IGRIRPRED_STR-GRIRPROPOSEDSTATUSMAXCLPROBLTY sy-vline 
WA_IGRIRPRED_STR-GRIRPROPOSEDPRIOMAXCLPROBLTY sy-vline 
WA_IGRIRPRED_STR-GRIRPRPSDROOTCAUSEMAXCLPROBLTY sy-vline 
WA_IGRIRPRED_STR-GOODSRECEIPTGOODSAMTINCCCRCY sy-vline 
WA_IGRIRPRED_STR-INVOICERCPTGOODSAMTINCCCRCY sy-vline 
WA_IGRIRPRED_STR-GDSRCPTDELIVCOSTAMTINCCCRCY sy-vline 
WA_IGRIRPRED_STR-INVCRCPTDELIVCOSTAMTINCCCRCY sy-vline 
WA_IGRIRPRED_STR-GOODSRECEIPTGOODSQUANTITY sy-vline 
WA_IGRIRPRED_STR-INVOICERECEIPTGOODSQUANTITY sy-vline 
WA_IGRIRPRED_STR-GOODSRECEIPTDELIVERYCOSTQTY sy-vline 
WA_IGRIRPRED_STR-INVOICERCPTDELIVERYCOSTQTY sy-vline 
WA_IGRIRPRED_STR-GOODSBALANCEAMOUNTINCCCRCY sy-vline 
WA_IGRIRPRED_STR-GOODSBALANCEQUANTITY sy-vline 
WA_IGRIRPRED_STR-DELIVERYCOSTBALAMTINCCCRCY sy-vline 
WA_IGRIRPRED_STR-DELIVERYCOSTBALANCEQUANTITY sy-vline 
WA_IGRIRPRED_STR-GOODSRECEIPTAMOUNTINCOCODECRCY sy-vline 
WA_IGRIRPRED_STR-GOODSRECEIPTQTY sy-vline 
WA_IGRIRPRED_STR-INVOICERCPTAMTINCOCODECRCY sy-vline 
WA_IGRIRPRED_STR-INVOICERECEIPTQTY sy-vline 
WA_IGRIRPRED_STR-ISGOODSRCPTGOODSAMTSURPLUS sy-vline 
WA_IGRIRPRED_STR-ISINVOICEGOODSAMOUNTSURPLUS sy-vline 
WA_IGRIRPRED_STR-ISGDSRCPTDELIVCOSTAMTSURPLUS sy-vline 
WA_IGRIRPRED_STR-ISINVOICEDELIVCOSTAMTSURPLUS sy-vline 
WA_IGRIRPRED_STR-ISGOODSRCPTGOODSQTYSURPLUS sy-vline 
WA_IGRIRPRED_STR-ISINVOICEGOODSQTYSURPLUS sy-vline 
WA_IGRIRPRED_STR-ISGDSRCPTDELIVCOSTQTYSURPLUS sy-vline 
WA_IGRIRPRED_STR-ISINVOICEDELIVCOSTQTYSURPLUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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