ABAP Select data from SAP table CSERVDOCITANAQRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSERVDOCITANAQRY
*  INTO TABLE @DATA(IT_CSERVDOCITANAQRY2).
*--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_CSERVDOCITANAQRY INDEX 1 INTO DATA(WA_CSERVDOCITANAQRY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSERVDOCITANAQRY>-MANDT = 1.
<CSERVDOCITANAQRY>-SERVICEOBJECTTYPE = 1.
<CSERVDOCITANAQRY>-SALESORGANIZATION = 1.
<CSERVDOCITANAQRY>-DISTRIBUTIONCHANNEL = 1.
<CSERVDOCITANAQRY>-DIVISION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSERVDOCITANAQRY-SALESOFFICE, sy-vline,
  WA_CSERVDOCITANAQRY-SALESGROUP, sy-vline,
  WA_CSERVDOCITANAQRY-PRODUCTEXTERNALID, sy-vline,
  WA_CSERVDOCITANAQRY-PRODUCTNAME, sy-vline,
  WA_CSERVDOCITANAQRY-SALESORGANIZATIONORGUNITID, sy-vline,
  WA_CSERVDOCITANAQRY-SALESOFFICEORGUNITID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSERVDOCITANAQRY 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_CSERVDOCITANAQRY 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_CSERVDOCITANAQRY INTO WA_CSERVDOCITANAQRY.


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

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

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

*Conversion exit ALPHA, internal->external for field EQUIPMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSERVDOCITANAQRY-EQUIPMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSERVDOCITANAQRY-EQUIPMENT.
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_CSERVDOCITANAQRY_STR, 
MANDT TYPE STRING,
SERVICEOBJECTTYPE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SALESOFFICE TYPE STRING,
SALESGROUP TYPE STRING,
PRODUCTEXTERNALID TYPE STRING,
PRODUCTNAME TYPE STRING,
SALESORGANIZATIONORGUNITID TYPE STRING,
SALESOFFICEORGUNITID TYPE STRING,
SALESGROUPORGUNITID TYPE STRING,
SERVICEORGANIZATION TYPE STRING,
ORGUNITDISTRIBUTIONCHANNEL TYPE STRING,
ORGUNITDIVISION TYPE STRING,
SERVICEDOCUMENTTYPE TYPE STRING,
SERVICEORDERTYPE TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
MATERIAL TYPE STRING,
PRODUCTID TYPE STRING,
EQUIPMENT TYPE STRING,
NMBROFSERVICECONFITEMS TYPE STRING,
SERVICEORDERAVGLEADTIMEINHOURS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSERVDOCITANAQRY_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_CSERVDOCITANAQRY_STR-MANDT sy-vline 
WA_CSERVDOCITANAQRY_STR-SERVICEOBJECTTYPE sy-vline 
WA_CSERVDOCITANAQRY_STR-SALESORGANIZATION sy-vline 
WA_CSERVDOCITANAQRY_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CSERVDOCITANAQRY_STR-DIVISION sy-vline 
WA_CSERVDOCITANAQRY_STR-SALESOFFICE sy-vline 
WA_CSERVDOCITANAQRY_STR-SALESGROUP sy-vline 
WA_CSERVDOCITANAQRY_STR-PRODUCTEXTERNALID sy-vline 
WA_CSERVDOCITANAQRY_STR-PRODUCTNAME sy-vline 
WA_CSERVDOCITANAQRY_STR-SALESORGANIZATIONORGUNITID sy-vline 
WA_CSERVDOCITANAQRY_STR-SALESOFFICEORGUNITID sy-vline 
WA_CSERVDOCITANAQRY_STR-SALESGROUPORGUNITID sy-vline 
WA_CSERVDOCITANAQRY_STR-SERVICEORGANIZATION sy-vline 
WA_CSERVDOCITANAQRY_STR-ORGUNITDISTRIBUTIONCHANNEL sy-vline 
WA_CSERVDOCITANAQRY_STR-ORGUNITDIVISION sy-vline 
WA_CSERVDOCITANAQRY_STR-SERVICEDOCUMENTTYPE sy-vline 
WA_CSERVDOCITANAQRY_STR-SERVICEORDERTYPE sy-vline 
WA_CSERVDOCITANAQRY_STR-FUNCTIONALLOCATION sy-vline 
WA_CSERVDOCITANAQRY_STR-MATERIAL sy-vline 
WA_CSERVDOCITANAQRY_STR-PRODUCTID sy-vline 
WA_CSERVDOCITANAQRY_STR-EQUIPMENT sy-vline 
WA_CSERVDOCITANAQRY_STR-NMBROFSERVICECONFITEMS sy-vline 
WA_CSERVDOCITANAQRY_STR-SERVICEORDERAVGLEADTIMEINHOURS sy-vline      INTO ld_text SEPARATED BY SPACE.

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