ABAP Select data from SAP table CSRVCENTRSHTWD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSRVCENTRSHTWD
*  INTO TABLE @DATA(IT_CSRVCENTRSHTWD2).
*--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_CSRVCENTRSHTWD INDEX 1 INTO DATA(WA_CSRVCENTRSHTWD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSRVCENTRSHTWD>-MANDT = 1.
<CSRVCENTRSHTWD>-SERVICEENTRYSHEET = 1.
<CSRVCENTRSHTWD>-SERVICEENTRYSHEETNAME = 1.
<CSRVCENTRSHTWD>-SUPPLIER = 1.
<CSRVCENTRSHTWD>-SUPPLIERNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSRVCENTRSHTWD-PURCHASEORDER, sy-vline,
  WA_CSRVCENTRSHTWD-PURCHASEORDERCURRENCY, sy-vline,
  WA_CSRVCENTRSHTWD-ISDELETED, sy-vline,
  WA_CSRVCENTRSHTWD-APPROVALSTATUS, sy-vline,
  WA_CSRVCENTRSHTWD-RESPONSIBLEPERSON, sy-vline,
  WA_CSRVCENTRSHTWD-RESPONSIBLEPERSONNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSRVCENTRSHTWD 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_CSRVCENTRSHTWD 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_CSRVCENTRSHTWD INTO WA_CSRVCENTRSHTWD.


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

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

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

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

*Conversion exit SXIDN, internal->external for field DEFAULTEMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CSRVCENTRSHTWD-DEFAULTEMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRVCENTRSHTWD-DEFAULTEMAILADDRESS.
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_CSRVCENTRSHTWD_STR, 
MANDT TYPE STRING,
SERVICEENTRYSHEET TYPE STRING,
SERVICEENTRYSHEETNAME TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERCURRENCY TYPE STRING,
ISDELETED TYPE STRING,
APPROVALSTATUS TYPE STRING,
RESPONSIBLEPERSON TYPE STRING,
RESPONSIBLEPERSONNAME TYPE STRING,
FORMATTEDADDRESS TYPE STRING,
ADDRESSID TYPE STRING,
NORMALIZEDPHONENUMBER TYPE STRING,
MOBILEPHONENUMBER TYPE STRING,
DEFAULTEMAILADDRESS TYPE STRING,
APPROVALSTATUSNAME TYPE STRING,
ORIGINOBJECTTYPE TYPE STRING,
CURRENCY TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEUSER TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
POSTINGDATE TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
TOTALSESNETAMOUNTINCLSALESTAX TYPE STRING,
PRICINGDOCUMENT TYPE STRING,
SENDTOAPPROVALISPOSSIBLE TYPE STRING,
CANCELAPPROVALISPOSSIBLE TYPE STRING,
REVOKEISPOSSIBLE TYPE STRING,
PURCHASEORDEREXISTS TYPE STRING,
PURGDOCEXTERNALSYSTEM TYPE STRING,
EXTERNALREVISIONDATETIME TYPE STRING,
USERFULLNAME TYPE STRING,
NOTETYPELISTTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSRVCENTRSHTWD_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_CSRVCENTRSHTWD_STR-MANDT sy-vline 
WA_CSRVCENTRSHTWD_STR-SERVICEENTRYSHEET sy-vline 
WA_CSRVCENTRSHTWD_STR-SERVICEENTRYSHEETNAME sy-vline 
WA_CSRVCENTRSHTWD_STR-SUPPLIER sy-vline 
WA_CSRVCENTRSHTWD_STR-SUPPLIERNAME sy-vline 
WA_CSRVCENTRSHTWD_STR-PURCHASEORDER sy-vline 
WA_CSRVCENTRSHTWD_STR-PURCHASEORDERCURRENCY sy-vline 
WA_CSRVCENTRSHTWD_STR-ISDELETED sy-vline 
WA_CSRVCENTRSHTWD_STR-APPROVALSTATUS sy-vline 
WA_CSRVCENTRSHTWD_STR-RESPONSIBLEPERSON sy-vline 
WA_CSRVCENTRSHTWD_STR-RESPONSIBLEPERSONNAME sy-vline 
WA_CSRVCENTRSHTWD_STR-FORMATTEDADDRESS sy-vline 
WA_CSRVCENTRSHTWD_STR-ADDRESSID sy-vline 
WA_CSRVCENTRSHTWD_STR-NORMALIZEDPHONENUMBER sy-vline 
WA_CSRVCENTRSHTWD_STR-MOBILEPHONENUMBER sy-vline 
WA_CSRVCENTRSHTWD_STR-DEFAULTEMAILADDRESS sy-vline 
WA_CSRVCENTRSHTWD_STR-APPROVALSTATUSNAME sy-vline 
WA_CSRVCENTRSHTWD_STR-ORIGINOBJECTTYPE sy-vline 
WA_CSRVCENTRSHTWD_STR-CURRENCY sy-vline 
WA_CSRVCENTRSHTWD_STR-CREATIONDATETIME sy-vline 
WA_CSRVCENTRSHTWD_STR-CREATEDBYUSER sy-vline 
WA_CSRVCENTRSHTWD_STR-LASTCHANGEDATETIME sy-vline 
WA_CSRVCENTRSHTWD_STR-LASTCHANGEUSER sy-vline 
WA_CSRVCENTRSHTWD_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_CSRVCENTRSHTWD_STR-PURCHASINGORGANIZATION sy-vline 
WA_CSRVCENTRSHTWD_STR-PURCHASINGGROUP sy-vline 
WA_CSRVCENTRSHTWD_STR-POSTINGDATE sy-vline 
WA_CSRVCENTRSHTWD_STR-TOTALNETAMOUNT sy-vline 
WA_CSRVCENTRSHTWD_STR-TOTALSESNETAMOUNTINCLSALESTAX sy-vline 
WA_CSRVCENTRSHTWD_STR-PRICINGDOCUMENT sy-vline 
WA_CSRVCENTRSHTWD_STR-SENDTOAPPROVALISPOSSIBLE sy-vline 
WA_CSRVCENTRSHTWD_STR-CANCELAPPROVALISPOSSIBLE sy-vline 
WA_CSRVCENTRSHTWD_STR-REVOKEISPOSSIBLE sy-vline 
WA_CSRVCENTRSHTWD_STR-PURCHASEORDEREXISTS sy-vline 
WA_CSRVCENTRSHTWD_STR-PURGDOCEXTERNALSYSTEM sy-vline 
WA_CSRVCENTRSHTWD_STR-EXTERNALREVISIONDATETIME sy-vline 
WA_CSRVCENTRSHTWD_STR-USERFULLNAME sy-vline 
WA_CSRVCENTRSHTWD_STR-NOTETYPELISTTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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