ABAP Select data from SAP table PEBOCMATCOSTEST2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PEBOCMATCOSTEST2 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 PEBOCMATCOSTEST2. 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 PEBOCMATCOSTEST2 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_PEBOCMATCOSTEST2 TYPE STANDARD TABLE OF PEBOCMATCOSTEST2,
      WA_PEBOCMATCOSTEST2 TYPE PEBOCMATCOSTEST2,
      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: <PEBOCMATCOSTEST2> TYPE PEBOCMATCOSTEST2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PEBOCMATCOSTEST2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PEBOCMATCOSTEST2
  INTO TABLE IT_PEBOCMATCOSTEST2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEBOCMATCOSTEST2
*  INTO TABLE @DATA(IT_PEBOCMATCOSTEST22).
*--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_PEBOCMATCOSTEST2 INDEX 1 INTO DATA(WA_PEBOCMATCOSTEST22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PEBOCMATCOSTEST2 ASSIGNING <PEBOCMATCOSTEST2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEBOCMATCOSTEST2>-MANDT = 1.
<PEBOCMATCOSTEST2>-COMPANYCODE = 1.
<PEBOCMATCOSTEST2>-PLANNINGCATEGORY = 1.
<PEBOCMATCOSTEST2>-COSTELEMENT = 1.
<PEBOCMATCOSTEST2>-BUSINESSTRANSACTIONTYPE = 1.

ENDLOOP.

LOOP AT IT_PEBOCMATCOSTEST2 INTO WA_PEBOCMATCOSTEST2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEBOCMATCOSTEST2-CONTROLLINGDEBITCREDITCODE, sy-vline,
  WA_PEBOCMATCOSTEST2-ACCOUNTASSIGNMENTTYPE, sy-vline,
  WA_PEBOCMATCOSTEST2-PARTNERACCOUNTASSIGNMENTTYPE, sy-vline,
  WA_PEBOCMATCOSTEST2-PARTNERCOSTCENTER, sy-vline,
  WA_PEBOCMATCOSTEST2-PARTNERCOSTCTRACTIVITYTYPE, sy-vline,
  WA_PEBOCMATCOSTEST2-PARTNERORDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PEBOCMATCOSTEST2 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_PEBOCMATCOSTEST2 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_PEBOCMATCOSTEST2 INTO WA_PEBOCMATCOSTEST2.


*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 PLANNINGCATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-PLANNINGCATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-PLANNINGCATEGORY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-COSTELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-COSTELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BEKNZ, internal->external for field CONTROLLINGDEBITCREDITCODE
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-CONTROLLINGDEBITCREDITCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-CONTROLLINGDEBITCREDITCODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNERCOSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-PARTNERCOSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-PARTNERCOSTCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNERORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-PARTNERORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-PARTNERORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field COSTSOURCEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-COSTSOURCEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-COSTSOURCEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCEDPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-PRODUCEDPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-PRODUCEDPRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field ORDEROPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-ORDEROPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-ORDEROPERATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LOTSIZEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-LOTSIZEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-LOTSIZEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEBOCMATCOSTEST2-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBOCMATCOSTEST2-SALESORDER.
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_PEBOCMATCOSTEST2_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
PLANNINGCATEGORY TYPE STRING,
COSTELEMENT TYPE STRING,
BUSINESSTRANSACTIONTYPE TYPE STRING,
CONTROLLINGDEBITCREDITCODE TYPE STRING,
ACCOUNTASSIGNMENTTYPE TYPE STRING,
PARTNERACCOUNTASSIGNMENTTYPE TYPE STRING,
PARTNERCOSTCENTER TYPE STRING,
PARTNERCOSTCTRACTIVITYTYPE TYPE STRING,
PARTNERORDER TYPE STRING,
COSTSOURCEUNIT TYPE STRING,
PRODUCEDPRODUCT TYPE STRING,
MATERIAL TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
ORDEROPERATION TYPE STRING,
CONTROLLINGAREA TYPE STRING,
PLANT TYPE STRING,
COSTINGLOTSIZE TYPE STRING,
LOTSIZEUNIT TYPE STRING,
COSTESTIMATEVALIDITYSTARTDATE TYPE STRING,
COSTESTIMATEVALIDITYENDDATE TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
ISLOTSIZEINDEPENDENT TYPE STRING,
PLNCATISFORSALESORDERCOSTEST TYPE STRING,
PLNGCATISFORORDRELTDPLNCOST TYPE STRING,
PLNGCATISFORMATLCOSTESTPLNCOST TYPE STRING,
AMOUNTINDISPLAYCURRENCY TYPE STRING,
COSTRATEFIXEDAMOUNT TYPE STRING,
TOTALQUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEBOCMATCOSTEST2_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_PEBOCMATCOSTEST2_STR-MANDT sy-vline 
WA_PEBOCMATCOSTEST2_STR-COMPANYCODE sy-vline 
WA_PEBOCMATCOSTEST2_STR-PLANNINGCATEGORY sy-vline 
WA_PEBOCMATCOSTEST2_STR-COSTELEMENT sy-vline 
WA_PEBOCMATCOSTEST2_STR-BUSINESSTRANSACTIONTYPE sy-vline 
WA_PEBOCMATCOSTEST2_STR-CONTROLLINGDEBITCREDITCODE sy-vline 
WA_PEBOCMATCOSTEST2_STR-ACCOUNTASSIGNMENTTYPE sy-vline 
WA_PEBOCMATCOSTEST2_STR-PARTNERACCOUNTASSIGNMENTTYPE sy-vline 
WA_PEBOCMATCOSTEST2_STR-PARTNERCOSTCENTER sy-vline 
WA_PEBOCMATCOSTEST2_STR-PARTNERCOSTCTRACTIVITYTYPE sy-vline 
WA_PEBOCMATCOSTEST2_STR-PARTNERORDER sy-vline 
WA_PEBOCMATCOSTEST2_STR-COSTSOURCEUNIT sy-vline 
WA_PEBOCMATCOSTEST2_STR-PRODUCEDPRODUCT sy-vline 
WA_PEBOCMATCOSTEST2_STR-MATERIAL sy-vline 
WA_PEBOCMATCOSTEST2_STR-WORKCENTERINTERNALID sy-vline 
WA_PEBOCMATCOSTEST2_STR-ORDEROPERATION sy-vline 
WA_PEBOCMATCOSTEST2_STR-CONTROLLINGAREA sy-vline 
WA_PEBOCMATCOSTEST2_STR-PLANT sy-vline 
WA_PEBOCMATCOSTEST2_STR-COSTINGLOTSIZE sy-vline 
WA_PEBOCMATCOSTEST2_STR-LOTSIZEUNIT sy-vline 
WA_PEBOCMATCOSTEST2_STR-COSTESTIMATEVALIDITYSTARTDATE sy-vline 
WA_PEBOCMATCOSTEST2_STR-COSTESTIMATEVALIDITYENDDATE sy-vline 
WA_PEBOCMATCOSTEST2_STR-SALESORDER sy-vline 
WA_PEBOCMATCOSTEST2_STR-SALESORDERITEM sy-vline 
WA_PEBOCMATCOSTEST2_STR-ISLOTSIZEINDEPENDENT sy-vline 
WA_PEBOCMATCOSTEST2_STR-PLNCATISFORSALESORDERCOSTEST sy-vline 
WA_PEBOCMATCOSTEST2_STR-PLNGCATISFORORDRELTDPLNCOST sy-vline 
WA_PEBOCMATCOSTEST2_STR-PLNGCATISFORMATLCOSTESTPLNCOST sy-vline 
WA_PEBOCMATCOSTEST2_STR-AMOUNTINDISPLAYCURRENCY sy-vline 
WA_PEBOCMATCOSTEST2_STR-COSTRATEFIXEDAMOUNT sy-vline 
WA_PEBOCMATCOSTEST2_STR-TOTALQUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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