ABAP Select data from SAP table CRSHOPUNASWORK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRSHOPUNASWORK
*  INTO TABLE @DATA(IT_CRSHOPUNASWORK2).
*--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_CRSHOPUNASWORK INDEX 1 INTO DATA(WA_CRSHOPUNASWORK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRSHOPUNASWORK>-MANDT = 1.
<CRSHOPUNASWORK>-MAINTORDERROUTINGNUMBER = 1.
<CRSHOPUNASWORK>-MAINTORDEROPERATIONCOUNTER = 1.
<CRSHOPUNASWORK>-MAINTENANCEORDER = 1.
<CRSHOPUNASWORK>-MAINTENANCEORDEROPERATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRSHOPUNASWORK-MAINTPRIORITY, sy-vline,
  WA_CRSHOPUNASWORK-OPERATIONCONTROLKEY, sy-vline,
  WA_CRSHOPUNASWORK-ORDERTYPE, sy-vline,
  WA_CRSHOPUNASWORK-MAINTENANCEACTIVITYTYPE, sy-vline,
  WA_CRSHOPUNASWORK-WORKCENTER, sy-vline,
  WA_CRSHOPUNASWORK-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRSHOPUNASWORK 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_CRSHOPUNASWORK 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_CRSHOPUNASWORK INTO WA_CRSHOPUNASWORK.


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

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

*Conversion exit TECHO, internal->external for field TECHNICALOBJECTLABEL
CALL FUNCTION 'CONVERSION_EXIT_TECHO_OUTPUT'
  EXPORTING
    input =                      WA_CRSHOPUNASWORK-TECHNICALOBJECTLABEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRSHOPUNASWORK-TECHNICALOBJECTLABEL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_CRSHOPUNASWORK-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRSHOPUNASWORK-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_CRSHOPUNASWORK_STR, 
MANDT TYPE STRING,
MAINTORDERROUTINGNUMBER TYPE STRING,
MAINTORDEROPERATIONCOUNTER TYPE STRING,
MAINTENANCEORDER TYPE STRING,
MAINTENANCEORDEROPERATION TYPE STRING,
MAINTPRIORITY TYPE STRING,
OPERATIONCONTROLKEY TYPE STRING,
ORDERTYPE TYPE STRING,
MAINTENANCEACTIVITYTYPE TYPE STRING,
WORKCENTER TYPE STRING,
PLANT TYPE STRING,
MAINTPRIORITYDESC TYPE STRING,
MAINTENANCEACTIVITYTYPENAME TYPE STRING,
PROCESSINGSTATUSTEXT TYPE STRING,
MAINTORDOPERATIONSUNASSGWORK TYPE STRING,
MAINTORDOPERATIONSTOTUNASSGWRK TYPE STRING,
PERIODTYPE TYPE STRING,
MAINTOPERATIONASSIGNMENTSTATUS TYPE STRING,
TECHNICALOBJECTLABEL TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOC TYPE STRING,
EQUIPMENT TYPE STRING,
MAINTOBJECTLOCACCTASSGMTNMBR TYPE STRING,
OPERATIONPERSONRESPONSIBLE TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINTENANCEORDERTYPE TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
MAINTENANCEREVISION TYPE STRING,
MAINWORKCENTER TYPE STRING,
MAINWORKCENTERPLANT TYPE STRING,
PLANTSECTION TYPE STRING,
ASSETLOCATION TYPE STRING,
MAINTENANCEPLANT TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRSHOPUNASWORK_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_CRSHOPUNASWORK_STR-MANDT sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTORDERROUTINGNUMBER sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTORDEROPERATIONCOUNTER sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEORDER sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEORDEROPERATION sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTPRIORITY sy-vline 
WA_CRSHOPUNASWORK_STR-OPERATIONCONTROLKEY sy-vline 
WA_CRSHOPUNASWORK_STR-ORDERTYPE sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEACTIVITYTYPE sy-vline 
WA_CRSHOPUNASWORK_STR-WORKCENTER sy-vline 
WA_CRSHOPUNASWORK_STR-PLANT sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTPRIORITYDESC sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEACTIVITYTYPENAME sy-vline 
WA_CRSHOPUNASWORK_STR-PROCESSINGSTATUSTEXT sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTORDOPERATIONSUNASSGWORK sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTORDOPERATIONSTOTUNASSGWRK sy-vline 
WA_CRSHOPUNASWORK_STR-PERIODTYPE sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTOPERATIONASSIGNMENTSTATUS sy-vline 
WA_CRSHOPUNASWORK_STR-TECHNICALOBJECTLABEL sy-vline 
WA_CRSHOPUNASWORK_STR-TECHOBJISEQUIPORFUNCNLLOC sy-vline 
WA_CRSHOPUNASWORK_STR-EQUIPMENT sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTOBJECTLOCACCTASSGMTNMBR sy-vline 
WA_CRSHOPUNASWORK_STR-OPERATIONPERSONRESPONSIBLE sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEORDERTYPE sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEREVISION sy-vline 
WA_CRSHOPUNASWORK_STR-MAINWORKCENTER sy-vline 
WA_CRSHOPUNASWORK_STR-MAINWORKCENTERPLANT sy-vline 
WA_CRSHOPUNASWORK_STR-PLANTSECTION sy-vline 
WA_CRSHOPUNASWORK_STR-ASSETLOCATION sy-vline 
WA_CRSHOPUNASWORK_STR-MAINTENANCEPLANT sy-vline 
WA_CRSHOPUNASWORK_STR-FUNCTIONALLOCATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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