ABAP Select data from SAP table PMNTPLGBKTCOMP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMNTPLGBKTCOMP
*  INTO TABLE @DATA(IT_PMNTPLGBKTCOMP2).
*--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_PMNTPLGBKTCOMP INDEX 1 INTO DATA(WA_PMNTPLGBKTCOMP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMNTPLGBKTCOMP>-MANDT = 1.
<PMNTPLGBKTCOMP>-MAINTENANCEORDER = 1.
<PMNTPLGBKTCOMP>-MAINTENANCEORDEROPERATION = 1.
<PMNTPLGBKTCOMP>-MAINTENANCEORDERCOMPONENT = 1.
<PMNTPLGBKTCOMP>-MAINTENANCEORDERSUBOPERATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMNTPLGBKTCOMP-PRODUCT, sy-vline,
  WA_PMNTPLGBKTCOMP-MATERIAL, sy-vline,
  WA_PMNTPLGBKTCOMP-PRODUCTTYPE, sy-vline,
  WA_PMNTPLGBKTCOMP-PRODUCTGROUP, sy-vline,
  WA_PMNTPLGBKTCOMP-PRODUCTTYPECODE, sy-vline,
  WA_PMNTPLGBKTCOMP-COMPONENTDESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMNTPLGBKTCOMP 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_PMNTPLGBKTCOMP 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_PMNTPLGBKTCOMP INTO WA_PMNTPLGBKTCOMP.


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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SERVICEPERFORMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMNTPLGBKTCOMP-SERVICEPERFORMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMNTPLGBKTCOMP-SERVICEPERFORMER.
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_PMNTPLGBKTCOMP_STR, 
MANDT TYPE STRING,
MAINTENANCEORDER TYPE STRING,
MAINTENANCEORDEROPERATION TYPE STRING,
MAINTENANCEORDERCOMPONENT TYPE STRING,
MAINTENANCEORDERSUBOPERATION TYPE STRING,
PRODUCT TYPE STRING,
MATERIAL TYPE STRING,
PRODUCTTYPE TYPE STRING,
PRODUCTGROUP TYPE STRING,
PRODUCTTYPECODE TYPE STRING,
COMPONENTDESCRIPTION TYPE STRING,
MAINTENANCEORDERDESC TYPE STRING,
MAINTORDPROCESSPHASECODE TYPE STRING,
OPERATIONDESCRIPTION TYPE STRING,
PURREQNASSGDTOMAINTORDEROP TYPE STRING,
OPERATIONEXTERNALPROCESSING TYPE STRING,
MAINTOPERATIONEXECSTAGECODE TYPE STRING,
MAINTOPEXECSTAGEGROUPCODE TYPE STRING,
MAINTOPEXECSTAGESHORTTEXT TYPE STRING,
MAINTOPEXECUTIONSTAGENAME TYPE STRING,
REQUIREMENTQUANTITYINBASEUNIT TYPE STRING,
BASEUNIT TYPE STRING,
REQUIREMENTDATE TYPE STRING,
REQUIREMENTTIME TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEORDERSUPPLIER TYPE STRING,
FIXEDSUPPLIER TYPE STRING,
SUPPLIER TYPE STRING,
OPERATIONSUPPLIER TYPE STRING,
DELIVERYDATE TYPE STRING,
RESERVATION TYPE STRING,
RESERVATIONITEM TYPE STRING,
RESERVATIONTYPE TYPE STRING,
PREFERREDSUPPLIER TYPE STRING,
ITEMCATEGORY TYPE STRING,
PERFORMANCEPERIODSTARTDATE TYPE STRING,
PERFORMANCEPERIODENDDATE TYPE STRING,
SERVICEPERFORMER TYPE STRING,
GOODSMOVEMENTTYPE TYPE STRING,
WITHDRAWNQUANTITY TYPE STRING,
CONFIRMEDAVAILABLEQUANTITY TYPE STRING,
MAINTORDCOMPAVAILYCRITLTYCODE TYPE STRING,
MAINTORDERCOMPONENTINTERNALID TYPE STRING,
MAINTORDCOMPCMTDQTYISKEPT TYPE STRING,
MAINTORDERROUTINGNUMBER TYPE STRING,
MAINTORDEROPERATIONCOUNTER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMNTPLGBKTCOMP_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_PMNTPLGBKTCOMP_STR-MANDT sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTENANCEORDER sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTENANCEORDEROPERATION sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTENANCEORDERCOMPONENT sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTENANCEORDERSUBOPERATION sy-vline 
WA_PMNTPLGBKTCOMP_STR-PRODUCT sy-vline 
WA_PMNTPLGBKTCOMP_STR-MATERIAL sy-vline 
WA_PMNTPLGBKTCOMP_STR-PRODUCTTYPE sy-vline 
WA_PMNTPLGBKTCOMP_STR-PRODUCTGROUP sy-vline 
WA_PMNTPLGBKTCOMP_STR-PRODUCTTYPECODE sy-vline 
WA_PMNTPLGBKTCOMP_STR-COMPONENTDESCRIPTION sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTENANCEORDERDESC sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTORDPROCESSPHASECODE sy-vline 
WA_PMNTPLGBKTCOMP_STR-OPERATIONDESCRIPTION sy-vline 
WA_PMNTPLGBKTCOMP_STR-PURREQNASSGDTOMAINTORDEROP sy-vline 
WA_PMNTPLGBKTCOMP_STR-OPERATIONEXTERNALPROCESSING sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTOPERATIONEXECSTAGECODE sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTOPEXECSTAGEGROUPCODE sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTOPEXECSTAGESHORTTEXT sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTOPEXECUTIONSTAGENAME sy-vline 
WA_PMNTPLGBKTCOMP_STR-REQUIREMENTQUANTITYINBASEUNIT sy-vline 
WA_PMNTPLGBKTCOMP_STR-BASEUNIT sy-vline 
WA_PMNTPLGBKTCOMP_STR-REQUIREMENTDATE sy-vline 
WA_PMNTPLGBKTCOMP_STR-REQUIREMENTTIME sy-vline 
WA_PMNTPLGBKTCOMP_STR-PURCHASEREQUISITION sy-vline 
WA_PMNTPLGBKTCOMP_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_PMNTPLGBKTCOMP_STR-PURCHASEORDER sy-vline 
WA_PMNTPLGBKTCOMP_STR-PURCHASEORDERITEM sy-vline 
WA_PMNTPLGBKTCOMP_STR-PURCHASEORDERSUPPLIER sy-vline 
WA_PMNTPLGBKTCOMP_STR-FIXEDSUPPLIER sy-vline 
WA_PMNTPLGBKTCOMP_STR-SUPPLIER sy-vline 
WA_PMNTPLGBKTCOMP_STR-OPERATIONSUPPLIER sy-vline 
WA_PMNTPLGBKTCOMP_STR-DELIVERYDATE sy-vline 
WA_PMNTPLGBKTCOMP_STR-RESERVATION sy-vline 
WA_PMNTPLGBKTCOMP_STR-RESERVATIONITEM sy-vline 
WA_PMNTPLGBKTCOMP_STR-RESERVATIONTYPE sy-vline 
WA_PMNTPLGBKTCOMP_STR-PREFERREDSUPPLIER sy-vline 
WA_PMNTPLGBKTCOMP_STR-ITEMCATEGORY sy-vline 
WA_PMNTPLGBKTCOMP_STR-PERFORMANCEPERIODSTARTDATE sy-vline 
WA_PMNTPLGBKTCOMP_STR-PERFORMANCEPERIODENDDATE sy-vline 
WA_PMNTPLGBKTCOMP_STR-SERVICEPERFORMER sy-vline 
WA_PMNTPLGBKTCOMP_STR-GOODSMOVEMENTTYPE sy-vline 
WA_PMNTPLGBKTCOMP_STR-WITHDRAWNQUANTITY sy-vline 
WA_PMNTPLGBKTCOMP_STR-CONFIRMEDAVAILABLEQUANTITY sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTORDCOMPAVAILYCRITLTYCODE sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTORDERCOMPONENTINTERNALID sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTORDCOMPCMTDQTYISKEPT sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTORDERROUTINGNUMBER sy-vline 
WA_PMNTPLGBKTCOMP_STR-MAINTORDEROPERATIONCOUNTER sy-vline      INTO ld_text SEPARATED BY SPACE.

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