ABAP Select data from SAP table ICNTRLQTNDISTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICNTRLQTNDISTR
*  INTO TABLE @DATA(IT_ICNTRLQTNDISTR2).
*--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_ICNTRLQTNDISTR INDEX 1 INTO DATA(WA_ICNTRLQTNDISTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICNTRLQTNDISTR>-MANDT = 1.
<ICNTRLQTNDISTR>-CENTRALSUPPLIERQUOTATION = 1.
<ICNTRLQTNDISTR>-CENTRALSUPPLIERQUOTATIONITEM = 1.
<ICNTRLQTNDISTR>-DISTRIBUTIONKEY = 1.
<ICNTRLQTNDISTR>-PURCHASINGDOCUMENTCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICNTRLQTNDISTR-PURCHASINGDOCUMENTTYPE, sy-vline,
  WA_ICNTRLQTNDISTR-PURCHASINGORGANIZATION, sy-vline,
  WA_ICNTRLQTNDISTR-COMPANYCODE, sy-vline,
  WA_ICNTRLQTNDISTR-PLANT, sy-vline,
  WA_ICNTRLQTNDISTR-LOGICALSYSTEM, sy-vline,
  WA_ICNTRLQTNDISTR-DOCUMENTCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICNTRLQTNDISTR 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_ICNTRLQTNDISTR 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_ICNTRLQTNDISTR INTO WA_ICNTRLQTNDISTR.


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

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

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

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

*Conversion exit ALPHA, internal->external for field PROCMTHUBPURCHASEREQUISITION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICNTRLQTNDISTR-PROCMTHUBPURCHASEREQUISITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICNTRLQTNDISTR-PROCMTHUBPURCHASEREQUISITION.
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_ICNTRLQTNDISTR_STR, 
MANDT TYPE STRING,
CENTRALSUPPLIERQUOTATION TYPE STRING,
CENTRALSUPPLIERQUOTATIONITEM TYPE STRING,
DISTRIBUTIONKEY TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
COMPANYCODE TYPE STRING,
PLANT TYPE STRING,
LOGICALSYSTEM TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
CURRENCY TYPE STRING,
PURCHASINGGROUP TYPE STRING,
STORAGELOCATION TYPE STRING,
CNTRLPURGDISTRIBUTIONINPERCENT TYPE STRING,
TARGETQUANTITY TYPE STRING,
TARGETAMOUNT TYPE STRING,
PURGDOCITEMDISTRIBUTIONSTATUS TYPE STRING,
ISDELETED TYPE STRING,
PURGDOCITMDISTRLINEDELTNCODE TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
DISTRIBUTIONTYPE TYPE STRING,
DISTRRESPONSEMESSAGEUUID TYPE STRING,
ITEMDISTRIBUTIONISRELEVANT TYPE STRING,
PURGDOCITEMDISTRRELEVANCECODE TYPE STRING,
REFERENCEHEADERDISTRIBUTIONKEY TYPE STRING,
PROCUREMENTHUBSOURCESYSTEM TYPE STRING,
PROCMTHUBPURCHASEREQUISITION TYPE STRING,
PROCMTHUBPURREQUISITIONITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICNTRLQTNDISTR_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_ICNTRLQTNDISTR_STR-MANDT sy-vline 
WA_ICNTRLQTNDISTR_STR-CENTRALSUPPLIERQUOTATION sy-vline 
WA_ICNTRLQTNDISTR_STR-CENTRALSUPPLIERQUOTATIONITEM sy-vline 
WA_ICNTRLQTNDISTR_STR-DISTRIBUTIONKEY sy-vline 
WA_ICNTRLQTNDISTR_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_ICNTRLQTNDISTR_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_ICNTRLQTNDISTR_STR-PURCHASINGORGANIZATION sy-vline 
WA_ICNTRLQTNDISTR_STR-COMPANYCODE sy-vline 
WA_ICNTRLQTNDISTR_STR-PLANT sy-vline 
WA_ICNTRLQTNDISTR_STR-LOGICALSYSTEM sy-vline 
WA_ICNTRLQTNDISTR_STR-DOCUMENTCURRENCY sy-vline 
WA_ICNTRLQTNDISTR_STR-CURRENCY sy-vline 
WA_ICNTRLQTNDISTR_STR-PURCHASINGGROUP sy-vline 
WA_ICNTRLQTNDISTR_STR-STORAGELOCATION sy-vline 
WA_ICNTRLQTNDISTR_STR-CNTRLPURGDISTRIBUTIONINPERCENT sy-vline 
WA_ICNTRLQTNDISTR_STR-TARGETQUANTITY sy-vline 
WA_ICNTRLQTNDISTR_STR-TARGETAMOUNT sy-vline 
WA_ICNTRLQTNDISTR_STR-PURGDOCITEMDISTRIBUTIONSTATUS sy-vline 
WA_ICNTRLQTNDISTR_STR-ISDELETED sy-vline 
WA_ICNTRLQTNDISTR_STR-PURGDOCITMDISTRLINEDELTNCODE sy-vline 
WA_ICNTRLQTNDISTR_STR-ORDERQUANTITYUNIT sy-vline 
WA_ICNTRLQTNDISTR_STR-DISTRIBUTIONTYPE sy-vline 
WA_ICNTRLQTNDISTR_STR-DISTRRESPONSEMESSAGEUUID sy-vline 
WA_ICNTRLQTNDISTR_STR-ITEMDISTRIBUTIONISRELEVANT sy-vline 
WA_ICNTRLQTNDISTR_STR-PURGDOCITEMDISTRRELEVANCECODE sy-vline 
WA_ICNTRLQTNDISTR_STR-REFERENCEHEADERDISTRIBUTIONKEY sy-vline 
WA_ICNTRLQTNDISTR_STR-PROCUREMENTHUBSOURCESYSTEM sy-vline 
WA_ICNTRLQTNDISTR_STR-PROCMTHUBPURCHASEREQUISITION sy-vline 
WA_ICNTRLQTNDISTR_STR-PROCMTHUBPURREQUISITIONITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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