ABAP Select data from SAP table CSRVCQTANMAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSRVCQTANMAIL
*  INTO TABLE @DATA(IT_CSRVCQTANMAIL2).
*--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_CSRVCQTANMAIL INDEX 1 INTO DATA(WA_CSRVCQTANMAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSRVCQTANMAIL>-MANDT = 1.
<CSRVCQTANMAIL>-SERVICEOBJECTTYPE = 1.
<CSRVCQTANMAIL>-SERVICEDOCUMENT = 1.
<CSRVCQTANMAIL>-SERVICEDOCUMENTTYPE = 1.
<CSRVCQTANMAIL>-SERVICEDOCUMENTDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSRVCQTANMAIL-SOLDTOPARTY, sy-vline,
  WA_CSRVCQTANMAIL-RESPONSIBLEEMPLOYEE, sy-vline,
  WA_CSRVCQTANMAIL-CONTACTPERSON, sy-vline,
  WA_CSRVCQTANMAIL-TRANSACTIONCURRENCY, sy-vline,
  WA_CSRVCQTANMAIL-SERVICEDOCNETAMOUNT, sy-vline,
  WA_CSRVCQTANMAIL-SERVICEDOCGROSSAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSRVCQTANMAIL 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_CSRVCQTANMAIL 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_CSRVCQTANMAIL INTO WA_CSRVCQTANMAIL.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BILLTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSRVCQTANMAIL-BILLTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRVCQTANMAIL-BILLTOPARTY.
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_CSRVCQTANMAIL_STR, 
MANDT TYPE STRING,
SERVICEOBJECTTYPE TYPE STRING,
SERVICEDOCUMENT TYPE STRING,
SERVICEDOCUMENTTYPE TYPE STRING,
SERVICEDOCUMENTDESCRIPTION TYPE STRING,
SOLDTOPARTY TYPE STRING,
RESPONSIBLEEMPLOYEE TYPE STRING,
CONTACTPERSON TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
SERVICEDOCNETAMOUNT TYPE STRING,
SERVICEDOCGROSSAMOUNT TYPE STRING,
SERVICEDOCUMENTCREATIONDATE TYPE STRING,
REQUESTEDSERVICESTARTDATE TYPE STRING,
SRVCQUOTATIONVALIDITYSTARTDATE TYPE STRING,
SRVCQUOTATIONVALIDITYENDDATE TYPE STRING,
SALESORGANIZATION TYPE STRING,
SHIPTOPARTY TYPE STRING,
BILLTOPARTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSRVCQTANMAIL_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_CSRVCQTANMAIL_STR-MANDT sy-vline 
WA_CSRVCQTANMAIL_STR-SERVICEOBJECTTYPE sy-vline 
WA_CSRVCQTANMAIL_STR-SERVICEDOCUMENT sy-vline 
WA_CSRVCQTANMAIL_STR-SERVICEDOCUMENTTYPE sy-vline 
WA_CSRVCQTANMAIL_STR-SERVICEDOCUMENTDESCRIPTION sy-vline 
WA_CSRVCQTANMAIL_STR-SOLDTOPARTY sy-vline 
WA_CSRVCQTANMAIL_STR-RESPONSIBLEEMPLOYEE sy-vline 
WA_CSRVCQTANMAIL_STR-CONTACTPERSON sy-vline 
WA_CSRVCQTANMAIL_STR-TRANSACTIONCURRENCY sy-vline 
WA_CSRVCQTANMAIL_STR-SERVICEDOCNETAMOUNT sy-vline 
WA_CSRVCQTANMAIL_STR-SERVICEDOCGROSSAMOUNT sy-vline 
WA_CSRVCQTANMAIL_STR-SERVICEDOCUMENTCREATIONDATE sy-vline 
WA_CSRVCQTANMAIL_STR-REQUESTEDSERVICESTARTDATE sy-vline 
WA_CSRVCQTANMAIL_STR-SRVCQUOTATIONVALIDITYSTARTDATE sy-vline 
WA_CSRVCQTANMAIL_STR-SRVCQUOTATIONVALIDITYENDDATE sy-vline 
WA_CSRVCQTANMAIL_STR-SALESORGANIZATION sy-vline 
WA_CSRVCQTANMAIL_STR-SHIPTOPARTY sy-vline 
WA_CSRVCQTANMAIL_STR-BILLTOPARTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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