ABAP Select data from SAP table PPOCONFQTYDEF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPOCONFQTYDEF
*  INTO TABLE @DATA(IT_PPOCONFQTYDEF2).
*--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_PPOCONFQTYDEF INDEX 1 INTO DATA(WA_PPOCONFQTYDEF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPOCONFQTYDEF>-MANDT = 1.
<PPOCONFQTYDEF>-PURCHASINGDOCUMENT = 1.
<PPOCONFQTYDEF>-PURCHASINGDOCUMENTITEM = 1.
<PPOCONFQTYDEF>-SUPPLIERCONFIRMATIONCATEGORY = 1.
<PPOCONFQTYDEF>-PURORDHDRITMCONFCATCNCTNTDID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPOCONFQTYDEF-PURCHASEORDERITEMUNIQUEID, sy-vline,
  WA_PPOCONFQTYDEF-SCHEDULELINEDELIVERYDATE, sy-vline,
  WA_PPOCONFQTYDEF-ORDEREDQUANTITY, sy-vline,
  WA_PPOCONFQTYDEF-CONFIRMEDQUANTITY, sy-vline,
  WA_PPOCONFQTYDEF-DIFFERENCEOFQUANTITY, sy-vline,
  WA_PPOCONFQTYDEF-PURCHASEORDERQUANTITYUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPOCONFQTYDEF 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_PPOCONFQTYDEF 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_PPOCONFQTYDEF INTO WA_PPOCONFQTYDEF.


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

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

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

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

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

*Conversion exit CUNIT, internal->external for field ORDERPRICEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOCONFQTYDEF-ORDERPRICEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOCONFQTYDEF-ORDERPRICEUNIT.
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_PPOCONFQTYDEF_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
SUPPLIERCONFIRMATIONCATEGORY TYPE STRING,
PURORDHDRITMCONFCATCNCTNTDID TYPE STRING,
PURCHASEORDERITEMUNIQUEID TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
ORDEREDQUANTITY TYPE STRING,
CONFIRMEDQUANTITY TYPE STRING,
DIFFERENCEOFQUANTITY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
CONFIRMEDDATE TYPE STRING,
TOTALNOOFDAYS TYPE STRING,
MATERIAL TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PLANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPOCONFQTYDEF_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_PPOCONFQTYDEF_STR-MANDT sy-vline 
WA_PPOCONFQTYDEF_STR-PURCHASINGDOCUMENT sy-vline 
WA_PPOCONFQTYDEF_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PPOCONFQTYDEF_STR-SUPPLIERCONFIRMATIONCATEGORY sy-vline 
WA_PPOCONFQTYDEF_STR-PURORDHDRITMCONFCATCNCTNTDID sy-vline 
WA_PPOCONFQTYDEF_STR-PURCHASEORDERITEMUNIQUEID sy-vline 
WA_PPOCONFQTYDEF_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_PPOCONFQTYDEF_STR-ORDEREDQUANTITY sy-vline 
WA_PPOCONFQTYDEF_STR-CONFIRMEDQUANTITY sy-vline 
WA_PPOCONFQTYDEF_STR-DIFFERENCEOFQUANTITY sy-vline 
WA_PPOCONFQTYDEF_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PPOCONFQTYDEF_STR-CONFIRMEDDATE sy-vline 
WA_PPOCONFQTYDEF_STR-TOTALNOOFDAYS sy-vline 
WA_PPOCONFQTYDEF_STR-MATERIAL sy-vline 
WA_PPOCONFQTYDEF_STR-SUPPLIER sy-vline 
WA_PPOCONFQTYDEF_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_PPOCONFQTYDEF_STR-NETPRICEAMOUNT sy-vline 
WA_PPOCONFQTYDEF_STR-DOCUMENTCURRENCY sy-vline 
WA_PPOCONFQTYDEF_STR-NETPRICEQUANTITY sy-vline 
WA_PPOCONFQTYDEF_STR-ORDERPRICEUNIT sy-vline 
WA_PPOCONFQTYDEF_STR-PURCHASEORDERTYPE sy-vline 
WA_PPOCONFQTYDEF_STR-PURCHASINGORGANIZATION sy-vline 
WA_PPOCONFQTYDEF_STR-PURCHASINGGROUP sy-vline 
WA_PPOCONFQTYDEF_STR-PLANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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