ABAP Select data from SAP table CCONVPLNDORDERS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCONVPLNDORDERS
*  INTO TABLE @DATA(IT_CCONVPLNDORDERS2).
*--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_CCONVPLNDORDERS INDEX 1 INTO DATA(WA_CCONVPLNDORDERS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCONVPLNDORDERS>-MANDT = 1.
<CCONVPLNDORDERS>-PLANNEDORDER = 1.
<CCONVPLNDORDERS>-MATERIAL = 1.
<CCONVPLNDORDERS>-MATERIALNAME = 1.
<CCONVPLNDORDERS>-BASEUNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCONVPLNDORDERS-PLANNEDTOTALQTYINBASEUNIT, sy-vline,
  WA_CCONVPLNDORDERS-PLANNEDORDERTYPE, sy-vline,
  WA_CCONVPLNDORDERS-BILLOFMATERIALSTATUS, sy-vline,
  WA_CCONVPLNDORDERS-PLANNEDORDERCATEGORY, sy-vline,
  WA_CCONVPLNDORDERS-MRPAREA, sy-vline,
  WA_CCONVPLNDORDERS-MRPPLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCONVPLNDORDERS 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_CCONVPLNDORDERS 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_CCONVPLNDORDERS INTO WA_CCONVPLNDORDERS.


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

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

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

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

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

*Conversion exit MATN1, internal->external for field CROSSPLANTCONFIGURABLEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CCONVPLNDORDERS-CROSSPLANTCONFIGURABLEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCONVPLNDORDERS-CROSSPLANTCONFIGURABLEPRODUCT.
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_CCONVPLNDORDERS_STR, 
MANDT TYPE STRING,
PLANNEDORDER TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
BASEUNIT TYPE STRING,
PLANNEDTOTALQTYINBASEUNIT TYPE STRING,
PLANNEDORDERTYPE TYPE STRING,
BILLOFMATERIALSTATUS TYPE STRING,
PLANNEDORDERCATEGORY TYPE STRING,
MRPAREA TYPE STRING,
MRPPLANT TYPE STRING,
PRODUCTIONPLANT TYPE STRING,
MRPCONTROLLER TYPE STRING,
MATERIALPROCUREMENTCATEGORY TYPE STRING,
PLANNEDORDERISFIRM TYPE STRING,
PLANNEDORDEROPENINGDATE TYPE STRING,
PLNDORDERPLANNEDSTARTDATE TYPE STRING,
PLNDORDERPLANNEDENDDATE TYPE STRING,
PRODUCTIONVERSION TYPE STRING,
PRODUCTIONSUPERVISOR TYPE STRING,
SUPPLIER TYPE STRING,
PLNDORDPROCESSINGACTIONCONTROL TYPE STRING,
PLANNEDORDERMAINTACTIVITYTYPE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
MASTERPLANNEDORDER TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
PRODUCTCHARACTERISTIC1 TYPE STRING,
PRODUCTCHARACTERISTIC2 TYPE STRING,
PRODUCTCHARACTERISTIC3 TYPE STRING,
PRODUCTSEASONYEAR TYPE STRING,
PRODUCTSEASON TYPE STRING,
PRODUCTCOLLECTION TYPE STRING,
PRODUCTTHEME TYPE STRING,
STOCKSEGMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCONVPLNDORDERS_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_CCONVPLNDORDERS_STR-MANDT sy-vline 
WA_CCONVPLNDORDERS_STR-PLANNEDORDER sy-vline 
WA_CCONVPLNDORDERS_STR-MATERIAL sy-vline 
WA_CCONVPLNDORDERS_STR-MATERIALNAME sy-vline 
WA_CCONVPLNDORDERS_STR-BASEUNIT sy-vline 
WA_CCONVPLNDORDERS_STR-PLANNEDTOTALQTYINBASEUNIT sy-vline 
WA_CCONVPLNDORDERS_STR-PLANNEDORDERTYPE sy-vline 
WA_CCONVPLNDORDERS_STR-BILLOFMATERIALSTATUS sy-vline 
WA_CCONVPLNDORDERS_STR-PLANNEDORDERCATEGORY sy-vline 
WA_CCONVPLNDORDERS_STR-MRPAREA sy-vline 
WA_CCONVPLNDORDERS_STR-MRPPLANT sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTIONPLANT sy-vline 
WA_CCONVPLNDORDERS_STR-MRPCONTROLLER sy-vline 
WA_CCONVPLNDORDERS_STR-MATERIALPROCUREMENTCATEGORY sy-vline 
WA_CCONVPLNDORDERS_STR-PLANNEDORDERISFIRM sy-vline 
WA_CCONVPLNDORDERS_STR-PLANNEDORDEROPENINGDATE sy-vline 
WA_CCONVPLNDORDERS_STR-PLNDORDERPLANNEDSTARTDATE sy-vline 
WA_CCONVPLNDORDERS_STR-PLNDORDERPLANNEDENDDATE sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTIONVERSION sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTIONSUPERVISOR sy-vline 
WA_CCONVPLNDORDERS_STR-SUPPLIER sy-vline 
WA_CCONVPLNDORDERS_STR-PLNDORDPROCESSINGACTIONCONTROL sy-vline 
WA_CCONVPLNDORDERS_STR-PLANNEDORDERMAINTACTIVITYTYPE sy-vline 
WA_CCONVPLNDORDERS_STR-PURCHASINGGROUP sy-vline 
WA_CCONVPLNDORDERS_STR-MASTERPLANNEDORDER sy-vline 
WA_CCONVPLNDORDERS_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTCHARACTERISTIC1 sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTCHARACTERISTIC2 sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTCHARACTERISTIC3 sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTSEASONYEAR sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTSEASON sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTCOLLECTION sy-vline 
WA_CCONVPLNDORDERS_STR-PRODUCTTHEME sy-vline 
WA_CCONVPLNDORDERS_STR-STOCKSEGMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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