ABAP Select data from SAP table CACMCMMTMLOGDOD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CACMCMMTMLOGDOD
*  INTO TABLE @DATA(IT_CACMCMMTMLOGDOD2).
*--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_CACMCMMTMLOGDOD INDEX 1 INTO DATA(WA_CACMCMMTMLOGDOD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CACMCMMTMLOGDOD>-MANDT = 1.
<CACMCMMTMLOGDOD>-PRICINGKEY = 1.
<CACMCMMTMLOGDOD>-COMPANYCODENAME = 1.
<CACMCMMTMLOGDOD>-PROFITCENTER = 1.
<CACMCMMTMLOGDOD>-PLANTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CACMCMMTMLOGDOD-COMMODITYNAME, sy-vline,
  WA_CACMCMMTMLOGDOD-MATERIALNAME, sy-vline,
  WA_CACMCMMTMLOGDOD-ORIGINREFERENCEDOCUMENT, sy-vline,
  WA_CACMCMMTMLOGDOD-SOURCEDOCUMENT, sy-vline,
  WA_CACMCMMTMLOGDOD-SOURCEDOCUMENTITEM, sy-vline,
  WA_CACMCMMTMLOGDOD-SOURCEDOCUMENTBUSOBJTYPENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CACMCMMTMLOGDOD 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_CACMCMMTMLOGDOD 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_CACMCMMTMLOGDOD INTO WA_CACMCMMTMLOGDOD.


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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field COMMODITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CACMCMMTMLOGDOD-COMMODITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACMCMMTMLOGDOD-COMMODITYUNIT.
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_CACMCMMTMLOGDOD_STR, 
MANDT TYPE STRING,
PRICINGKEY TYPE STRING,
COMPANYCODENAME TYPE STRING,
PROFITCENTER TYPE STRING,
PLANTNAME TYPE STRING,
COMMODITYNAME TYPE STRING,
MATERIALNAME TYPE STRING,
ORIGINREFERENCEDOCUMENT TYPE STRING,
SOURCEDOCUMENT TYPE STRING,
SOURCEDOCUMENTITEM TYPE STRING,
SOURCEDOCUMENTBUSOBJTYPENAME TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
INCOTERMSCLASSIFICATIONNAME TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
CONDITIONAPPLICATION TYPE STRING,
STATISTICSCURRENCY TYPE STRING,
MTMCALCULATIONGROUPNAME TYPE STRING,
MTMCONDITIONGROUPCATEGORYNAME TYPE STRING,
DERIVATIVECONTRACTMATURITYCODE TYPE STRING,
MATURITYKEYDATE TYPE STRING,
BASISIDNAME TYPE STRING,
DERIVATIVECONTRSPECNAME TYPE STRING,
MARKETIDENTIFIERCODENAME TYPE STRING,
PRICINGSTATUSNAME TYPE STRING,
MTMADJUSTMENTTYPENAME TYPE STRING,
CONDITIONTERMRATEFIXATION TYPE STRING,
QUOTATIONPERIODREFERENCEDATE TYPE STRING,
COMMODITYQUANTITY TYPE STRING,
COMMODITYQUANTITYINTERMUNIT TYPE STRING,
CONDITIONTERMRATE TYPE STRING,
MARKETTODOCEXCHRATE TYPE STRING,
DOCTOSTATISTICALEXCHRATE TYPE STRING,
CONDITIONTERMVALUEINSTSTCCRCY TYPE STRING,
CONDITIONTERMVALUEINDOCCRCY TYPE STRING,
CONDITIONTYPE TYPE STRING,
SUBCONDITIONTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
COMMODITY TYPE STRING,
CREDITOR TYPE STRING,
SOLDTOPARTY TYPE STRING,
ORIGINREFDOCBUSOBJTYPENAME TYPE STRING,
ORIGINREFERENCEDOCBUSOBJTYPE TYPE STRING,
ORIGINREFERENCEDOCUMENTITEM TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCBUSOBJTYPENAME TYPE STRING,
REFERENCEDOCBUSOBJTYPE TYPE STRING,
REFERENCEDOCUMENTITEM TYPE STRING,
DELIVERYYEAR TYPE STRING,
DELIVERYDATE TYPE STRING,
DELIVERYMONTH TYPE STRING,
EXPECTEDPAYMENTDATE TYPE STRING,
EXCHRATEEVALUATIONDATE TYPE STRING,
DOCTOSTSTCCRCYEXCHRATEEVALDATE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
ISINTERCOMPANYTRANSFER TYPE STRING,
CNDNTERMRATEFIXATIONDATE TYPE STRING,
CNDNTERMRATEFIXATIONTIME TYPE STRING,
CNDNTERMEXCHRATEFIXATIONDATE TYPE STRING,
CNDNTERMEXCHRATEFIXATIONTIME TYPE STRING,
EXCHRATEMATURITYDATE TYPE STRING,
BSMKTREFDRVTVCONTRMATURITYCODE TYPE STRING,
ENDOFDAYSNAPSHOTDATETIMETO TYPE STRING,
ENDOFDAYSNAPSHOTDATETIMEFROM TYPE STRING,
BASISMARKETREFRATE TYPE STRING,
BASISMARKETREFADJUSTMENTSPREAD TYPE STRING,
MARKETTODOCFROZENEXCHRATE TYPE STRING,
CONDITIONTERMRATECURRENCY TYPE STRING,
CONDITIONTERMRATEQUANTITY TYPE STRING,
CONDITIONTERMRATEQUANTITYUNIT TYPE STRING,
MARKETPRICECURRENCY TYPE STRING,
OLDESTQUOTATIONDATE TYPE STRING,
COMMODITYUNIT TYPE STRING,
SYSTEMMESSAGETEXT TYPE STRING,
HASERROR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CACMCMMTMLOGDOD_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_CACMCMMTMLOGDOD_STR-MANDT sy-vline 
WA_CACMCMMTMLOGDOD_STR-PRICINGKEY sy-vline 
WA_CACMCMMTMLOGDOD_STR-COMPANYCODENAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-PROFITCENTER sy-vline 
WA_CACMCMMTMLOGDOD_STR-PLANTNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-COMMODITYNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-MATERIALNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-ORIGINREFERENCEDOCUMENT sy-vline 
WA_CACMCMMTMLOGDOD_STR-SOURCEDOCUMENT sy-vline 
WA_CACMCMMTMLOGDOD_STR-SOURCEDOCUMENTITEM sy-vline 
WA_CACMCMMTMLOGDOD_STR-SOURCEDOCUMENTBUSOBJTYPENAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-VALIDITYSTARTDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-INCOTERMSCLASSIFICATIONNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONAPPLICATION sy-vline 
WA_CACMCMMTMLOGDOD_STR-STATISTICSCURRENCY sy-vline 
WA_CACMCMMTMLOGDOD_STR-MTMCALCULATIONGROUPNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-MTMCONDITIONGROUPCATEGORYNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-DERIVATIVECONTRACTMATURITYCODE sy-vline 
WA_CACMCMMTMLOGDOD_STR-MATURITYKEYDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-BASISIDNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-DERIVATIVECONTRSPECNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-MARKETIDENTIFIERCODENAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-PRICINGSTATUSNAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-MTMADJUSTMENTTYPENAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONTERMRATEFIXATION sy-vline 
WA_CACMCMMTMLOGDOD_STR-QUOTATIONPERIODREFERENCEDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-COMMODITYQUANTITY sy-vline 
WA_CACMCMMTMLOGDOD_STR-COMMODITYQUANTITYINTERMUNIT sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONTERMRATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-MARKETTODOCEXCHRATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-DOCTOSTATISTICALEXCHRATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONTERMVALUEINSTSTCCRCY sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONTERMVALUEINDOCCRCY sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONTYPE sy-vline 
WA_CACMCMMTMLOGDOD_STR-SUBCONDITIONTYPE sy-vline 
WA_CACMCMMTMLOGDOD_STR-COMPANYCODE sy-vline 
WA_CACMCMMTMLOGDOD_STR-COMMODITY sy-vline 
WA_CACMCMMTMLOGDOD_STR-CREDITOR sy-vline 
WA_CACMCMMTMLOGDOD_STR-SOLDTOPARTY sy-vline 
WA_CACMCMMTMLOGDOD_STR-ORIGINREFDOCBUSOBJTYPENAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-ORIGINREFERENCEDOCBUSOBJTYPE sy-vline 
WA_CACMCMMTMLOGDOD_STR-ORIGINREFERENCEDOCUMENTITEM sy-vline 
WA_CACMCMMTMLOGDOD_STR-REFERENCEDOCUMENT sy-vline 
WA_CACMCMMTMLOGDOD_STR-REFERENCEDOCBUSOBJTYPENAME sy-vline 
WA_CACMCMMTMLOGDOD_STR-REFERENCEDOCBUSOBJTYPE sy-vline 
WA_CACMCMMTMLOGDOD_STR-REFERENCEDOCUMENTITEM sy-vline 
WA_CACMCMMTMLOGDOD_STR-DELIVERYYEAR sy-vline 
WA_CACMCMMTMLOGDOD_STR-DELIVERYDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-DELIVERYMONTH sy-vline 
WA_CACMCMMTMLOGDOD_STR-EXPECTEDPAYMENTDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-EXCHRATEEVALUATIONDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-DOCTOSTSTCCRCYEXCHRATEEVALDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-DOCUMENTCURRENCY sy-vline 
WA_CACMCMMTMLOGDOD_STR-ISINTERCOMPANYTRANSFER sy-vline 
WA_CACMCMMTMLOGDOD_STR-CNDNTERMRATEFIXATIONDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-CNDNTERMRATEFIXATIONTIME sy-vline 
WA_CACMCMMTMLOGDOD_STR-CNDNTERMEXCHRATEFIXATIONDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-CNDNTERMEXCHRATEFIXATIONTIME sy-vline 
WA_CACMCMMTMLOGDOD_STR-EXCHRATEMATURITYDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-BSMKTREFDRVTVCONTRMATURITYCODE sy-vline 
WA_CACMCMMTMLOGDOD_STR-ENDOFDAYSNAPSHOTDATETIMETO sy-vline 
WA_CACMCMMTMLOGDOD_STR-ENDOFDAYSNAPSHOTDATETIMEFROM sy-vline 
WA_CACMCMMTMLOGDOD_STR-BASISMARKETREFRATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-BASISMARKETREFADJUSTMENTSPREAD sy-vline 
WA_CACMCMMTMLOGDOD_STR-MARKETTODOCFROZENEXCHRATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONTERMRATECURRENCY sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONTERMRATEQUANTITY sy-vline 
WA_CACMCMMTMLOGDOD_STR-CONDITIONTERMRATEQUANTITYUNIT sy-vline 
WA_CACMCMMTMLOGDOD_STR-MARKETPRICECURRENCY sy-vline 
WA_CACMCMMTMLOGDOD_STR-OLDESTQUOTATIONDATE sy-vline 
WA_CACMCMMTMLOGDOD_STR-COMMODITYUNIT sy-vline 
WA_CACMCMMTMLOGDOD_STR-SYSTEMMESSAGETEXT sy-vline 
WA_CACMCMMTMLOGDOD_STR-HASERROR sy-vline      INTO ld_text SEPARATED BY SPACE.

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