ABAP Select data from SAP table MMPUR_MEOUT_S_CCTR_HDRCOND into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MMPUR_MEOUT_S_CCTR_HDRCOND 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_MEOUT_S_CCTR_HDRCOND. 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_MEOUT_S_CCTR_HDRCOND 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_MEOUT_S_CCTR_HDRCOND TYPE STANDARD TABLE OF MMPUR_MEOUT_S_CCTR_HDRCOND,
      WA_MMPUR_MEOUT_S_CCTR_HDRCOND TYPE MMPUR_MEOUT_S_CCTR_HDRCOND,
      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_MEOUT_S_CCTR_HDRCOND> TYPE MMPUR_MEOUT_S_CCTR_HDRCOND.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_MEOUT_S_CCTR_HDRCOND
*  INTO TABLE @DATA(IT_MMPUR_MEOUT_S_CCTR_HDRCOND2).
*--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_MEOUT_S_CCTR_HDRCOND INDEX 1 INTO DATA(WA_MMPUR_MEOUT_S_CCTR_HDRCOND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_MEOUT_S_CCTR_HDRCOND>-ID = 1.
<MMPUR_MEOUT_S_CCTR_HDRCOND>-DATA = 1.
<MMPUR_MEOUT_S_CCTR_HDRCOND>-CENTRALPURCHASECONTRACT = 1.
<MMPUR_MEOUT_S_CCTR_HDRCOND>-CONDITIONVALIDITYENDDATE = 1.
<MMPUR_MEOUT_S_CCTR_HDRCOND>-CONDITIONTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_MEOUT_S_CCTR_HDRCOND-CONDITIONVALIDITYSTARTDATE, sy-vline,
  WA_MMPUR_MEOUT_S_CCTR_HDRCOND-CONDITIONDELETE, sy-vline,
  WA_MMPUR_MEOUT_S_CCTR_HDRCOND-CONDITIONAPPLICATION, sy-vline,
  WA_MMPUR_MEOUT_S_CCTR_HDRCOND-CONDITIONRATEVALUE, sy-vline,
  WA_MMPUR_MEOUT_S_CCTR_HDRCOND-CONDITIONRATEVALUEUNIT, sy-vline,
  WA_MMPUR_MEOUT_S_CCTR_HDRCOND-CONDITIONRECORD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_MEOUT_S_CCTR_HDRCOND 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_MEOUT_S_CCTR_HDRCOND 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_MEOUT_S_CCTR_HDRCOND INTO WA_MMPUR_MEOUT_S_CCTR_HDRCOND.


*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_MEOUT_S_CCTR_HDRCOND-CENTRALPURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_MEOUT_S_CCTR_HDRCOND-CENTRALPURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PURCHASINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_MEOUT_S_CCTR_HDRCOND-PURCHASINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_MEOUT_S_CCTR_HDRCOND-PURCHASINGDOCUMENT.
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_MEOUT_S_CCTR_HDRCOND_STR, 
ID TYPE STRING,
DATA TYPE STRING,
CENTRALPURCHASECONTRACT TYPE STRING,
CONDITIONVALIDITYENDDATE TYPE STRING,
CONDITIONTYPE TYPE STRING,
CONDITIONVALIDITYSTARTDATE TYPE STRING,
CONDITIONDELETE TYPE STRING,
CONDITIONAPPLICATION TYPE STRING,
CONDITIONRATEVALUE TYPE STRING,
CONDITIONRATEVALUEUNIT TYPE STRING,
CONDITIONRECORD TYPE STRING,
CONDITIONQUANTITY TYPE STRING,
CONDITIONQUANTITYUNIT TYPE STRING,
CONDITIONSEQUENTIALNUMBER TYPE STRING,
CONDITIONTOBASEQTYNMRTR TYPE STRING,
CONDITIONTOBASEQTYDNMNTR TYPE STRING,
CNDN_CHGREASON TYPE STRING,
CONDITIONISDELETED TYPE STRING,
NETPRICE TYPE STRING,
CONDITIONCALCULATIONTYPE TYPE STRING,
SCALEBASETYPE TYPE STRING,
SCALETYPE TYPE STRING,
PRICINGSCALECHECKINGRULE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
DATAX TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
CONDITIONVALIDITYENDDATEX TYPE STRING,
CONDITIONTYPEX TYPE STRING,
CONDITIONVALIDITYSTARTDATEX TYPE STRING,
PURCHASINGDOCUMENTX TYPE STRING,
CNDNCHGREASONX TYPE STRING,
ISCONDITIONDELETEX TYPE STRING,
CONDITIONAPPLICATIONX TYPE STRING,
CONDITIONRATEVALUEX TYPE STRING,
CONDITIONRECORDX TYPE STRING,
CONDITIONSEQUENTIALNUMBERX TYPE STRING,
CONDITIONQUANTITYX TYPE STRING,
CONDITIONQUANTITYUNITX TYPE STRING,
CONDITIONCALCULATIONTYPEX TYPE STRING,
CONDITIONTOBASEQTYNMRTRX TYPE STRING,
CONDITIONISDELETEDX TYPE STRING,
CONDITIONRATEVALUEUNITX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_MEOUT_S_CCTR_HDRCOND_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_MEOUT_S_CCTR_HDRCOND_STR-ID sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-DATA sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONVALIDITYENDDATE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONTYPE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONVALIDITYSTARTDATE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONDELETE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONAPPLICATION sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONRATEVALUE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONRATEVALUEUNIT sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONRECORD sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONQUANTITY sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONQUANTITYUNIT sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONTOBASEQTYNMRTR sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONTOBASEQTYDNMNTR sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CNDN_CHGREASON sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONISDELETED sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-NETPRICE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONCALCULATIONTYPE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-SCALEBASETYPE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-SCALETYPE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-PRICINGSCALECHECKINGRULE sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-DOCUMENTCURRENCY sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-DATAX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-PURCHASINGDOCUMENT sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONVALIDITYENDDATEX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONTYPEX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONVALIDITYSTARTDATEX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-PURCHASINGDOCUMENTX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CNDNCHGREASONX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-ISCONDITIONDELETEX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONAPPLICATIONX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONRATEVALUEX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONRECORDX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONSEQUENTIALNUMBERX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONQUANTITYX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONQUANTITYUNITX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONCALCULATIONTYPEX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONTOBASEQTYNMRTRX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONISDELETEDX sy-vline 
WA_MMPUR_MEOUT_S_CCTR_HDRCOND_STR-CONDITIONRATEVALUEUNITX sy-vline      INTO ld_text SEPARATED BY SPACE.

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