ABAP Select data from SAP table CSRVCORDTMPLMP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSRVCORDTMPLMP
*  INTO TABLE @DATA(IT_CSRVCORDTMPLMP2).
*--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_CSRVCORDTMPLMP INDEX 1 INTO DATA(WA_CSRVCORDTMPLMP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSRVCORDTMPLMP>-MANDT = 1.
<CSRVCORDTMPLMP>-MAINTENANCEITEM = 1.
<CSRVCORDTMPLMP>-MAINTENANCEITEMDESCRIPTION = 1.
<CSRVCORDTMPLMP>-MAINTENANCEPLAN = 1.
<CSRVCORDTMPLMP>-MAINTENANCEPLANDESC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSRVCORDTMPLMP-MAINTENANCEPLANCATEGORY, sy-vline,
  WA_CSRVCORDTMPLMP-MAINTENANCEPLANCATEGORYDESC, sy-vline,
  WA_CSRVCORDTMPLMP-SCHEDULINGENDDATE, sy-vline,
  WA_CSRVCORDTMPLMP-SCHEDULINGSTARTDATE, sy-vline,
  WA_CSRVCORDTMPLMP-MAINTENANCEPLANTYPE, sy-vline,
  WA_CSRVCORDTMPLMP-MAINTENANCEPLANTYPETEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSRVCORDTMPLMP 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_CSRVCORDTMPLMP 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_CSRVCORDTMPLMP INTO WA_CSRVCORDTMPLMP.


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

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

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

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

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

*Conversion exit TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_CSRVCORDTMPLMP-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRVCORDTMPLMP-FUNCTIONALLOCATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CSRVCORDTMPLMP-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRVCORDTMPLMP-PRODUCT.
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_CSRVCORDTMPLMP_STR, 
MANDT TYPE STRING,
MAINTENANCEITEM TYPE STRING,
MAINTENANCEITEMDESCRIPTION TYPE STRING,
MAINTENANCEPLAN TYPE STRING,
MAINTENANCEPLANDESC TYPE STRING,
MAINTENANCEPLANCATEGORY TYPE STRING,
MAINTENANCEPLANCATEGORYDESC TYPE STRING,
SCHEDULINGENDDATE TYPE STRING,
SCHEDULINGSTARTDATE TYPE STRING,
MAINTENANCEPLANTYPE TYPE STRING,
MAINTENANCEPLANTYPETEXT TYPE STRING,
MAINTENANCEPLANSYSTEMSTATUS TYPE STRING,
SERVICEORDERTEMPLATE TYPE STRING,
SERVICECONTRACT TYPE STRING,
SERVICECONTRACTDESCRIPTION TYPE STRING,
SERVICECONTRACTITEM TYPE STRING,
SERVICEDOCUMENTTYPE TYPE STRING,
SERVICEDOCUMENTTYPENAME TYPE STRING,
MAINTENANCEPLANINTERNALID TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
EQUIPMENT TYPE STRING,
MAINTOBJECTLOCACCTASSGMTNMBR TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
MAINTENANCEITEMOBJECTLIST TYPE STRING,
PRODUCT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSRVCORDTMPLMP_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_CSRVCORDTMPLMP_STR-MANDT sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEITEM sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEITEMDESCRIPTION sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLAN sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANDESC sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANCATEGORY sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANCATEGORYDESC sy-vline 
WA_CSRVCORDTMPLMP_STR-SCHEDULINGENDDATE sy-vline 
WA_CSRVCORDTMPLMP_STR-SCHEDULINGSTARTDATE sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANTYPE sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANTYPETEXT sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANSYSTEMSTATUS sy-vline 
WA_CSRVCORDTMPLMP_STR-SERVICEORDERTEMPLATE sy-vline 
WA_CSRVCORDTMPLMP_STR-SERVICECONTRACT sy-vline 
WA_CSRVCORDTMPLMP_STR-SERVICECONTRACTDESCRIPTION sy-vline 
WA_CSRVCORDTMPLMP_STR-SERVICECONTRACTITEM sy-vline 
WA_CSRVCORDTMPLMP_STR-SERVICEDOCUMENTTYPE sy-vline 
WA_CSRVCORDTMPLMP_STR-SERVICEDOCUMENTTYPENAME sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANINTERNALID sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_CSRVCORDTMPLMP_STR-EQUIPMENT sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTOBJECTLOCACCTASSGMTNMBR sy-vline 
WA_CSRVCORDTMPLMP_STR-FUNCTIONALLOCATION sy-vline 
WA_CSRVCORDTMPLMP_STR-MAINTENANCEITEMOBJECTLIST sy-vline 
WA_CSRVCORDTMPLMP_STR-PRODUCT sy-vline      INTO ld_text SEPARATED BY SPACE.

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