ABAP Select data from SAP table MMPUR_S_CCTR_DISTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_CCTR_DISTR
*  INTO TABLE @DATA(IT_MMPUR_S_CCTR_DISTR2).
*--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_MMPUR_S_CCTR_DISTR INDEX 1 INTO DATA(WA_MMPUR_S_CCTR_DISTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_CCTR_DISTR>-CENTRALPURCHASECONTRACT = 1.
<MMPUR_S_CCTR_DISTR>-CENTRALPURCHASECONTRACTITEM = 1.
<MMPUR_S_CCTR_DISTR>-DISTRIBUTIONNUMBER = 1.
<MMPUR_S_CCTR_DISTR>-REFERENCEDHDRDISTRNUMBER = 1.
<MMPUR_S_CCTR_DISTR>-PURCHASINGDOCUMENTCATEGORY = 1.

ENDLOOP.

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

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


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field EXTERNALREFERENCEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_CCTR_DISTR-EXTERNALREFERENCEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_CCTR_DISTR-EXTERNALREFERENCEDOCUMENT.
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_MMPUR_S_CCTR_DISTR_STR, 
CENTRALPURCHASECONTRACT TYPE STRING,
CENTRALPURCHASECONTRACTITEM TYPE STRING,
DISTRIBUTIONNUMBER TYPE STRING,
REFERENCEDHDRDISTRNUMBER TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
COMPANYCODE TYPE STRING,
PLANT TYPE STRING,
LOGICALSYSTEM TYPE STRING,
PURCHASINGGROUP TYPE STRING,
STORAGELOCATION TYPE STRING,
PAYMENTTERMS TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
CNTRLPURCONTRDISTRIBUTIONPCT TYPE STRING,
TARGETQUANTITY TYPE STRING,
TARGETVALUE TYPE STRING,
EXTCONTRACTFORPURG TYPE STRING,
EXTCONTRACTITEMFORPURG TYPE STRING,
EXTCONTRACTITEMDISTRSTATUS TYPE STRING,
RESPONSEMESSAGEGUID TYPE STRING,
ISDELETED TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
DISTRIBUTIONTYPE TYPE STRING,
DISTRIBUTIONLEVEL TYPE STRING,
ITEMDISTRIBUTIONISRELEVANT TYPE STRING,
CNTRLPURCONTRITMDISTRISBLOCKED TYPE STRING,
MANUALDELIVERYADDRESSID TYPE STRING,
DELIVERYADDRESSTYPE TYPE STRING,
PROCUREMENTHUBSOURCESYSTEM TYPE STRING,
PURCHASINGINFORECORDUPDATECODE TYPE STRING,
EXTERNALREFERENCEDOCUMENT TYPE STRING,
EXTERNALREFERENCEDOCUMENTITEM TYPE STRING,
EXTERNALREFDOCCATEGORY TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSVERSION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
SHIPPINGINSTRUCTION TYPE STRING,
DUMMY_EKPODISTR_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_CCTR_DISTR_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_MMPUR_S_CCTR_DISTR_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-CENTRALPURCHASECONTRACTITEM sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-DISTRIBUTIONNUMBER sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-REFERENCEDHDRDISTRNUMBER sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-COMPANYCODE sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-PLANT sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-LOGICALSYSTEM sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-PURCHASINGGROUP sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-STORAGELOCATION sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-PAYMENTTERMS sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-CASHDISCOUNT1DAYS sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-CASHDISCOUNT2DAYS sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-NETPAYMENTDAYS sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-MATERIAL sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-MATERIALGROUP sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-CNTRLPURCONTRDISTRIBUTIONPCT sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-TARGETQUANTITY sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-TARGETVALUE sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-EXTCONTRACTFORPURG sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-EXTCONTRACTITEMFORPURG sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-EXTCONTRACTITEMDISTRSTATUS sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-RESPONSEMESSAGEGUID sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-ISDELETED sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-ORDERQUANTITYUNIT sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-DOCUMENTCURRENCY sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-DISTRIBUTIONTYPE sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-DISTRIBUTIONLEVEL sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-ITEMDISTRIBUTIONISRELEVANT sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-CNTRLPURCONTRITMDISTRISBLOCKED sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-MANUALDELIVERYADDRESSID sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-DELIVERYADDRESSTYPE sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-PROCUREMENTHUBSOURCESYSTEM sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-PURCHASINGINFORECORDUPDATECODE sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-EXTERNALREFERENCEDOCUMENT sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-EXTERNALREFERENCEDOCUMENTITEM sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-EXTERNALREFDOCCATEGORY sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-INCOTERMSVERSION sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-INCOTERMSLOCATION1 sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-SHIPPINGINSTRUCTION sy-vline 
WA_MMPUR_S_CCTR_DISTR_STR-DUMMY_EKPODISTR_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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