ABAP Select data from SAP table IMMPURORDSLAPI01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IMMPURORDSLAPI01 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 IMMPURORDSLAPI01. 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 IMMPURORDSLAPI01 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_IMMPURORDSLAPI01 TYPE STANDARD TABLE OF IMMPURORDSLAPI01,
      WA_IMMPURORDSLAPI01 TYPE IMMPURORDSLAPI01,
      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: <IMMPURORDSLAPI01> TYPE IMMPURORDSLAPI01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IMMPURORDSLAPI01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IMMPURORDSLAPI01
  INTO TABLE IT_IMMPURORDSLAPI01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMMPURORDSLAPI01
*  INTO TABLE @DATA(IT_IMMPURORDSLAPI012).
*--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_IMMPURORDSLAPI01 INDEX 1 INTO DATA(WA_IMMPURORDSLAPI012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IMMPURORDSLAPI01 ASSIGNING <IMMPURORDSLAPI01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMMPURORDSLAPI01>-MANDT = 1.
<IMMPURORDSLAPI01>-PURCHASEORDER = 1.
<IMMPURORDSLAPI01>-PURCHASEORDERITEM = 1.
<IMMPURORDSLAPI01>-PURCHASEORDERSCHEDULELINE = 1.
<IMMPURORDSLAPI01>-PERFORMANCEPERIODSTARTDATE = 1.

ENDLOOP.

LOOP AT IT_IMMPURORDSLAPI01 INTO WA_IMMPURORDSLAPI01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMMPURORDSLAPI01-PERFORMANCEPERIODENDDATE, sy-vline,
  WA_IMMPURORDSLAPI01-DELIVDATECATEGORY, sy-vline,
  WA_IMMPURORDSLAPI01-SCHEDULELINEDELIVERYDATE, sy-vline,
  WA_IMMPURORDSLAPI01-SCHEDULELINEDELIVERYTIME, sy-vline,
  WA_IMMPURORDSLAPI01-SCHEDULELINEORDERQUANTITY, sy-vline,
  WA_IMMPURORDSLAPI01-ROUGHGOODSRECEIPTQTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMMPURORDSLAPI01 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_IMMPURORDSLAPI01 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_IMMPURORDSLAPI01 INTO WA_IMMPURORDSLAPI01.


*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 PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMMPURORDSLAPI01-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMMPURORDSLAPI01-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IMMPURORDSLAPI01-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMMPURORDSLAPI01-PURCHASEORDERQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASEREQUISITION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMMPURORDSLAPI01-PURCHASEREQUISITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMMPURORDSLAPI01-PURCHASEREQUISITION.
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_IMMPURORDSLAPI01_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEORDERSCHEDULELINE TYPE STRING,
PERFORMANCEPERIODSTARTDATE TYPE STRING,
PERFORMANCEPERIODENDDATE TYPE STRING,
DELIVDATECATEGORY TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
SCHEDULELINEDELIVERYTIME TYPE STRING,
SCHEDULELINEORDERQUANTITY TYPE STRING,
ROUGHGOODSRECEIPTQTY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
SOURCEOFCREATION TYPE STRING,
PREVDELIVQTYOFSCHEDULELINE TYPE STRING,
NOOFREMINDERSOFSCHEDULELINE TYPE STRING,
SCHEDULELINEISFIXED TYPE STRING,
SCHEDULELINECOMMITTEDQUANTITY TYPE STRING,
RESERVATION TYPE STRING,
PRODUCTAVAILABILITYDATE TYPE STRING,
MATERIALSTAGINGTIME TYPE STRING,
TRANSPORTATIONPLANNINGDATE TYPE STRING,
TRANSPORTATIONPLANNINGTIME TYPE STRING,
LOADINGDATE TYPE STRING,
LOADINGTIME TYPE STRING,
GOODSISSUEDATE TYPE STRING,
GOODSISSUETIME TYPE STRING,
STOLATESTPOSSIBLEGRDATE TYPE STRING,
STOLATESTPOSSIBLEGRTIME TYPE STRING,
STOCKTRANSFERDELIVEREDQUANTITY TYPE STRING,
SCHEDULELINEISSUEDQUANTITY TYPE STRING,
BATCH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMMPURORDSLAPI01_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_IMMPURORDSLAPI01_STR-MANDT sy-vline 
WA_IMMPURORDSLAPI01_STR-PURCHASEORDER sy-vline 
WA_IMMPURORDSLAPI01_STR-PURCHASEORDERITEM sy-vline 
WA_IMMPURORDSLAPI01_STR-PURCHASEORDERSCHEDULELINE sy-vline 
WA_IMMPURORDSLAPI01_STR-PERFORMANCEPERIODSTARTDATE sy-vline 
WA_IMMPURORDSLAPI01_STR-PERFORMANCEPERIODENDDATE sy-vline 
WA_IMMPURORDSLAPI01_STR-DELIVDATECATEGORY sy-vline 
WA_IMMPURORDSLAPI01_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_IMMPURORDSLAPI01_STR-SCHEDULELINEDELIVERYTIME sy-vline 
WA_IMMPURORDSLAPI01_STR-SCHEDULELINEORDERQUANTITY sy-vline 
WA_IMMPURORDSLAPI01_STR-ROUGHGOODSRECEIPTQTY sy-vline 
WA_IMMPURORDSLAPI01_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_IMMPURORDSLAPI01_STR-PURCHASEREQUISITION sy-vline 
WA_IMMPURORDSLAPI01_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_IMMPURORDSLAPI01_STR-SOURCEOFCREATION sy-vline 
WA_IMMPURORDSLAPI01_STR-PREVDELIVQTYOFSCHEDULELINE sy-vline 
WA_IMMPURORDSLAPI01_STR-NOOFREMINDERSOFSCHEDULELINE sy-vline 
WA_IMMPURORDSLAPI01_STR-SCHEDULELINEISFIXED sy-vline 
WA_IMMPURORDSLAPI01_STR-SCHEDULELINECOMMITTEDQUANTITY sy-vline 
WA_IMMPURORDSLAPI01_STR-RESERVATION sy-vline 
WA_IMMPURORDSLAPI01_STR-PRODUCTAVAILABILITYDATE sy-vline 
WA_IMMPURORDSLAPI01_STR-MATERIALSTAGINGTIME sy-vline 
WA_IMMPURORDSLAPI01_STR-TRANSPORTATIONPLANNINGDATE sy-vline 
WA_IMMPURORDSLAPI01_STR-TRANSPORTATIONPLANNINGTIME sy-vline 
WA_IMMPURORDSLAPI01_STR-LOADINGDATE sy-vline 
WA_IMMPURORDSLAPI01_STR-LOADINGTIME sy-vline 
WA_IMMPURORDSLAPI01_STR-GOODSISSUEDATE sy-vline 
WA_IMMPURORDSLAPI01_STR-GOODSISSUETIME sy-vline 
WA_IMMPURORDSLAPI01_STR-STOLATESTPOSSIBLEGRDATE sy-vline 
WA_IMMPURORDSLAPI01_STR-STOLATESTPOSSIBLEGRTIME sy-vline 
WA_IMMPURORDSLAPI01_STR-STOCKTRANSFERDELIVEREDQUANTITY sy-vline 
WA_IMMPURORDSLAPI01_STR-SCHEDULELINEISSUEDQUANTITY sy-vline 
WA_IMMPURORDSLAPI01_STR-BATCH sy-vline      INTO ld_text SEPARATED BY SPACE.

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