ABAP Select data from SAP table IPOCONFAPI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPOCONFAPI
*  INTO TABLE @DATA(IT_IPOCONFAPI2).
*--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_IPOCONFAPI INDEX 1 INTO DATA(WA_IPOCONFAPI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPOCONFAPI>-MANDT = 1.
<IPOCONFAPI>-PURCHASEORDER = 1.
<IPOCONFAPI>-PURCHASEORDERITEM = 1.
<IPOCONFAPI>-SEQUENTIALNMBROFSUPLRCONF = 1.
<IPOCONFAPI>-SUPPLIERCONFIRMATIONCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPOCONFAPI-DELIVERYDATE, sy-vline,
  WA_IPOCONFAPI-DELIVDATECATEGORY, sy-vline,
  WA_IPOCONFAPI-DELIVERYTIME, sy-vline,
  WA_IPOCONFAPI-CREATIONDATE, sy-vline,
  WA_IPOCONFAPI-CREATIONTIME, sy-vline,
  WA_IPOCONFAPI-CONFIRMEDQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPOCONFAPI 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_IPOCONFAPI 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_IPOCONFAPI INTO WA_IPOCONFAPI.


*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_IPOCONFAPI-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPOCONFAPI-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIERCONFIRMATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPOCONFAPI-SUPPLIERCONFIRMATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPOCONFAPI-SUPPLIERCONFIRMATION.
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_IPOCONFAPI_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
SEQUENTIALNMBROFSUPLRCONF TYPE STRING,
SUPPLIERCONFIRMATIONCATEGORY TYPE STRING,
DELIVERYDATE TYPE STRING,
DELIVDATECATEGORY TYPE STRING,
DELIVERYTIME TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CONFIRMEDQUANTITY TYPE STRING,
MRPRELEVANTQUANTITY TYPE STRING,
SUPLRCONFCREATIONCATEGORY TYPE STRING,
ISDELETED TYPE STRING,
CONFISRELEVANTTOMRP TYPE STRING,
SUPPLIERCONFIRMATIONEXTNUMBER TYPE STRING,
DELIVERYDOCUMENT TYPE STRING,
DELIVERYDOCUMENTITEM TYPE STRING,
MANUFACTURERPARTPROFILE TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
NUMBEROFREMINDERS TYPE STRING,
BATCH TYPE STRING,
DELIVERYISINPLANT TYPE STRING,
HANDOVERDATE TYPE STRING,
HANDOVERTIME TYPE STRING,
PERFORMANCEPERIODSTARTDATE TYPE STRING,
PERFORMANCEPERIODENDDATE TYPE STRING,
SERVICEPERFORMER TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
SUPPLIERCONFIRMATION TYPE STRING,
SUPPLIERCONFIRMATIONITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPOCONFAPI_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_IPOCONFAPI_STR-MANDT sy-vline 
WA_IPOCONFAPI_STR-PURCHASEORDER sy-vline 
WA_IPOCONFAPI_STR-PURCHASEORDERITEM sy-vline 
WA_IPOCONFAPI_STR-SEQUENTIALNMBROFSUPLRCONF sy-vline 
WA_IPOCONFAPI_STR-SUPPLIERCONFIRMATIONCATEGORY sy-vline 
WA_IPOCONFAPI_STR-DELIVERYDATE sy-vline 
WA_IPOCONFAPI_STR-DELIVDATECATEGORY sy-vline 
WA_IPOCONFAPI_STR-DELIVERYTIME sy-vline 
WA_IPOCONFAPI_STR-CREATIONDATE sy-vline 
WA_IPOCONFAPI_STR-CREATIONTIME sy-vline 
WA_IPOCONFAPI_STR-CONFIRMEDQUANTITY sy-vline 
WA_IPOCONFAPI_STR-MRPRELEVANTQUANTITY sy-vline 
WA_IPOCONFAPI_STR-SUPLRCONFCREATIONCATEGORY sy-vline 
WA_IPOCONFAPI_STR-ISDELETED sy-vline 
WA_IPOCONFAPI_STR-CONFISRELEVANTTOMRP sy-vline 
WA_IPOCONFAPI_STR-SUPPLIERCONFIRMATIONEXTNUMBER sy-vline 
WA_IPOCONFAPI_STR-DELIVERYDOCUMENT sy-vline 
WA_IPOCONFAPI_STR-DELIVERYDOCUMENTITEM sy-vline 
WA_IPOCONFAPI_STR-MANUFACTURERPARTPROFILE sy-vline 
WA_IPOCONFAPI_STR-MANUFACTURERMATERIAL sy-vline 
WA_IPOCONFAPI_STR-NUMBEROFREMINDERS sy-vline 
WA_IPOCONFAPI_STR-BATCH sy-vline 
WA_IPOCONFAPI_STR-DELIVERYISINPLANT sy-vline 
WA_IPOCONFAPI_STR-HANDOVERDATE sy-vline 
WA_IPOCONFAPI_STR-HANDOVERTIME sy-vline 
WA_IPOCONFAPI_STR-PERFORMANCEPERIODSTARTDATE sy-vline 
WA_IPOCONFAPI_STR-PERFORMANCEPERIODENDDATE sy-vline 
WA_IPOCONFAPI_STR-SERVICEPERFORMER sy-vline 
WA_IPOCONFAPI_STR-ORDERQUANTITYUNIT sy-vline 
WA_IPOCONFAPI_STR-SUPPLIERCONFIRMATION sy-vline 
WA_IPOCONFAPI_STR-SUPPLIERCONFIRMATIONITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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