ABAP Select data from SAP table PMBACKLOGSERVUNI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMBACKLOGSERVUNI
*  INTO TABLE @DATA(IT_PMBACKLOGSERVUNI2).
*--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_PMBACKLOGSERVUNI INDEX 1 INTO DATA(WA_PMBACKLOGSERVUNI2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMBACKLOGSERVUNI-PURCHASEREQUISITION, sy-vline,
  WA_PMBACKLOGSERVUNI-PURCHASEREQUISITIONITEM, sy-vline,
  WA_PMBACKLOGSERVUNI-PURCHASEORDER, sy-vline,
  WA_PMBACKLOGSERVUNI-PURCHASEORDERITEM, sy-vline,
  WA_PMBACKLOGSERVUNI-MAINTENANCEORDERDESC, sy-vline,
  WA_PMBACKLOGSERVUNI-MAINTENANCEORDERSUBOPERATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMBACKLOGSERVUNI 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_PMBACKLOGSERVUNI 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_PMBACKLOGSERVUNI INTO WA_PMBACKLOGSERVUNI.


*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_PMBACKLOGSERVUNI-MAINTENANCEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMBACKLOGSERVUNI-MAINTENANCEORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_PMBACKLOGSERVUNI-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMBACKLOGSERVUNI-FUNCTIONALLOCATION.
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_PMBACKLOGSERVUNI_STR, 
MANDT TYPE STRING,
MAINTENANCEORDER TYPE STRING,
MAINTORDPROCUREMENTDOCUMENT TYPE STRING,
MAINTENANCEORDEROPERATION TYPE STRING,
MAINTENANCEORDERCOMPONENT TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
MAINTENANCEORDERDESC TYPE STRING,
MAINTENANCEORDERSUBOPERATION TYPE STRING,
OPERATIONDESCRIPTION TYPE STRING,
MAINTOPERATIONEXECSTAGECODE TYPE STRING,
MAINTOPEXECSTAGESHORTTEXT TYPE STRING,
MAINTOPEXECUTIONSTAGENAME TYPE STRING,
PRODUCT TYPE STRING,
MATERIAL TYPE STRING,
PRODUCTTYPE TYPE STRING,
PRODUCTGROUP TYPE STRING,
PRODUCTTYPECODE TYPE STRING,
COMPONENTDESCRIPTION TYPE STRING,
REQUIREMENTQUANTITYINBASEUNIT TYPE STRING,
BASEUNIT TYPE STRING,
PURCHASEORDERSUPPLIER TYPE STRING,
FIXEDSUPPLIER TYPE STRING,
PREFERREDSUPPLIER TYPE STRING,
OPERATIONSUPPLIER TYPE STRING,
SUPPLIER TYPE STRING,
RESERVATION TYPE STRING,
RESERVATIONITEM TYPE STRING,
RESERVATIONTYPE TYPE STRING,
ITEMCATEGORY TYPE STRING,
GOODSMOVEMENTTYPE TYPE STRING,
WITHDRAWNQUANTITY TYPE STRING,
MAINTORDERCOMPONENTINTERNALID TYPE STRING,
REQUIREMENTDATE TYPE STRING,
MAINTORDCOMPAVAILYCRITLTYCODE TYPE STRING,
PERFORMANCEPERIODSTARTDATE TYPE STRING,
PERFORMANCEPERIODENDDATE TYPE STRING,
SERVICEPERFORMER TYPE STRING,
MAINTENANCEORDERTYPE TYPE STRING,
MAINTORDPROCESSPHASECODE TYPE STRING,
SCHEDULEDBASICSTARTDATE TYPE STRING,
SCHEDULEDBASICSTARTTIME TYPE STRING,
SCHEDULEDBASICENDDATE TYPE STRING,
SCHEDULEDBASICENDTIME TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINTENANCEPLANT TYPE STRING,
PLANTSECTION TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
MAINWORKCENTER TYPE STRING,
EQUIPMENT TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
MAINTOBJECTLOCACCTASSGMTNMBR TYPE STRING,
MAINTPROCUREMENTMILESTONE TYPE STRING,
MAINTORDPROCMTMILESTONEDATE TYPE STRING,
MAINTORDPROCMTMLSTNWARNINGDATE TYPE STRING,
OVERALLLIMITAMOUNT TYPE STRING,
EXPECTEDOVERALLLIMITAMOUNT TYPE STRING,
MAINTORDOPCOMPONENTCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMBACKLOGSERVUNI_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_PMBACKLOGSERVUNI_STR-MANDT sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEORDER sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTORDPROCUREMENTDOCUMENT sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEORDEROPERATION sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEORDERCOMPONENT sy-vline 
WA_PMBACKLOGSERVUNI_STR-PURCHASEREQUISITION sy-vline 
WA_PMBACKLOGSERVUNI_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_PMBACKLOGSERVUNI_STR-PURCHASEORDER sy-vline 
WA_PMBACKLOGSERVUNI_STR-PURCHASEORDERITEM sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEORDERDESC sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEORDERSUBOPERATION sy-vline 
WA_PMBACKLOGSERVUNI_STR-OPERATIONDESCRIPTION sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTOPERATIONEXECSTAGECODE sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTOPEXECSTAGESHORTTEXT sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTOPEXECUTIONSTAGENAME sy-vline 
WA_PMBACKLOGSERVUNI_STR-PRODUCT sy-vline 
WA_PMBACKLOGSERVUNI_STR-MATERIAL sy-vline 
WA_PMBACKLOGSERVUNI_STR-PRODUCTTYPE sy-vline 
WA_PMBACKLOGSERVUNI_STR-PRODUCTGROUP sy-vline 
WA_PMBACKLOGSERVUNI_STR-PRODUCTTYPECODE sy-vline 
WA_PMBACKLOGSERVUNI_STR-COMPONENTDESCRIPTION sy-vline 
WA_PMBACKLOGSERVUNI_STR-REQUIREMENTQUANTITYINBASEUNIT sy-vline 
WA_PMBACKLOGSERVUNI_STR-BASEUNIT sy-vline 
WA_PMBACKLOGSERVUNI_STR-PURCHASEORDERSUPPLIER sy-vline 
WA_PMBACKLOGSERVUNI_STR-FIXEDSUPPLIER sy-vline 
WA_PMBACKLOGSERVUNI_STR-PREFERREDSUPPLIER sy-vline 
WA_PMBACKLOGSERVUNI_STR-OPERATIONSUPPLIER sy-vline 
WA_PMBACKLOGSERVUNI_STR-SUPPLIER sy-vline 
WA_PMBACKLOGSERVUNI_STR-RESERVATION sy-vline 
WA_PMBACKLOGSERVUNI_STR-RESERVATIONITEM sy-vline 
WA_PMBACKLOGSERVUNI_STR-RESERVATIONTYPE sy-vline 
WA_PMBACKLOGSERVUNI_STR-ITEMCATEGORY sy-vline 
WA_PMBACKLOGSERVUNI_STR-GOODSMOVEMENTTYPE sy-vline 
WA_PMBACKLOGSERVUNI_STR-WITHDRAWNQUANTITY sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTORDERCOMPONENTINTERNALID sy-vline 
WA_PMBACKLOGSERVUNI_STR-REQUIREMENTDATE sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTORDCOMPAVAILYCRITLTYCODE sy-vline 
WA_PMBACKLOGSERVUNI_STR-PERFORMANCEPERIODSTARTDATE sy-vline 
WA_PMBACKLOGSERVUNI_STR-PERFORMANCEPERIODENDDATE sy-vline 
WA_PMBACKLOGSERVUNI_STR-SERVICEPERFORMER sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEORDERTYPE sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTORDPROCESSPHASECODE sy-vline 
WA_PMBACKLOGSERVUNI_STR-SCHEDULEDBASICSTARTDATE sy-vline 
WA_PMBACKLOGSERVUNI_STR-SCHEDULEDBASICSTARTTIME sy-vline 
WA_PMBACKLOGSERVUNI_STR-SCHEDULEDBASICENDDATE sy-vline 
WA_PMBACKLOGSERVUNI_STR-SCHEDULEDBASICENDTIME sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEPLANT sy-vline 
WA_PMBACKLOGSERVUNI_STR-PLANTSECTION sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_PMBACKLOGSERVUNI_STR-WORKCENTERINTERNALID sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINWORKCENTER sy-vline 
WA_PMBACKLOGSERVUNI_STR-EQUIPMENT sy-vline 
WA_PMBACKLOGSERVUNI_STR-FUNCTIONALLOCATION sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTOBJECTLOCACCTASSGMTNMBR sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTPROCUREMENTMILESTONE sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTORDPROCMTMILESTONEDATE sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTORDPROCMTMLSTNWARNINGDATE sy-vline 
WA_PMBACKLOGSERVUNI_STR-OVERALLLIMITAMOUNT sy-vline 
WA_PMBACKLOGSERVUNI_STR-EXPECTEDOVERALLLIMITAMOUNT sy-vline 
WA_PMBACKLOGSERVUNI_STR-MAINTORDOPCOMPONENTCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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